1991 GMC C3500HD Engine Parts

Name: Precision Timing Tape
Brand: Mr. Gasket
SKU: 1588
Price: 24.99 USD

Below you will find various in-demand GMC Engine Parts, components and accessories for your 1991 C3500HD. Advance Auto Parts has popular C3500HD parts like Engine Timing Parts, Camshafts, Engine Gaskets and Seals and more. You’ll also find aftermarket and OEM Engine Parts for other C3500HD model years including 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 and more. Select a category of 1991 GMC C3500HD Engine Parts below and start saving instantly.

Popular 1991 GMC C3500HD Engine Parts Categories

OE Engine Oil Coolers

Rear Main Seal Sets

Cylinder Head Bolt Sets

Timing Covers

Harmonic Balancers

Timing Cover Gasket Sets

Cylinder Head Gasket Sets

Timing Cam Gears

Engine Mounts

Oil Cooler Gasket Sets

Oil Pans

Engine Oil Cooler Accessories

Cylinder Head Gaskets

Oil Cooler Line Connectors

Standard Piston Sets

Engine Camshaft Bolts

Engine Oil Pump Pickup Tube and Screens

Engine Computers

Rubber Freeze Plugs

Timing Cover Repair Sleeves

Main Bearing Repair Sleeves

Power Take Off Shaft Seal

Engine Valve Stem Seals

Piston and Liners

Camshafts

Oversized Main Bearings

Camshaft Bearings

Push Rods

Standard Rod Bearing Sets

Camshaft and Lifter Kits

Standard Piston Rings

Standard Individual Rod Bearings

Oil Pump Nylon Shaft Guides

Engine Valves

Rocker Arm Nuts

Engine Timing Tapes

Standard Single Pistons

Oil Pump Screens

Timing Crank Gears

Expansion Plugs

Camshaft Thrust Plate and Bearings

Engine Crankshaft Lock Keys

Rocker Arm Bolts

Engine Oil Pump Cover Gaskets

Fuel Pump Gaskets

Engine Oil Pump Bushing

Engine Valve Locks

Camshaft Thrust Buttons

Engine Rocker Arm Balls

Connecting Rod Bolts and Nuts

Remanufactured Engines

Cylinder Heads

Engine Assembly Lube

Engine Timing Cover Bolt Sets

Engine Oil Deep Sump Kits

Engine Oil Pump Primers

Valve Train Set Up Spring Set

Essential Engine Parts for 1991 GMC C3500HDs

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$24.99

Precision timing tape can be used on a factory balancer to create HP through accurate timing, and makes setting valve lash simple.

Product Features:

6 3¿4″ diameter
6 3┐4″ diameter
305, 350 cu. in. 1969-93
Increased Performance
Set Valve Lash At Proper Time

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$35.99

The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to CHEV 87-02; GMC 87-02;. Please verify your application.

Product Features:

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1987-2002
Weight approx: 4 Lbs
PRODUCT: MADE IN THE USA
DESIGN: CLAMSHELL
PART GROUP: 2621, 2621

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$185.99

This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:

Direct replacement – this valve cover matches the original equipment part for fit and function
Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
Cost-effective solution – offers original equipment performance at competitive price
Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service

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$131.99

Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:

Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
Complete assembly – includes replacement pan and drain plugs to match original components
Durable design – high-strength coating prevents future corrosion
Trustworthy value – backed by team of engineers and quality control experts in the United States

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$1.79

This engine connecting rod nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this engine connecting rod nut matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$11.99

Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:

Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Refer to our online catalog for detailed application-specific information

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$31.99

Secure the harmonic balancer or dampener on your Chevy. Works on original equipment, high performance street, drag or circle track applications. Features a heat treated black oxide coated Grade 8 alloy steel bolt for strength with a tall hex head to prevent wrench from slipping. An extra thick parallel ground washer provides accurate, uniform torque, and a lock washer is also included.

Product Features:

Heat treated black oxide coated Grade 8 alloy steel
Tall hex head bolt to prevent wrench from slipping
Extra thick parallel ground washer provides accurate, uniform torque
Washers Provides More Accurate And Uniform Torque
Grade 8 Alloy Steel

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$8.49

Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

A-Series bi-metal aluminum alloy
Greater seizure resistance than tri-metal material
Dramatically reduces or eliminates bearing wear
Made with silicon to provide greater surface hardness
Silicon particles help polish crankshaft journal to further reduce wear during operation
Utilizes ISO & QS certified manufacturing

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$3.29

Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

State-of-the-art manufacturing
Exceptional material quality
Exacting tolerances
Heat treated tips
Stock or mild modified replacement
Made in USA

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$75.99

Steel-backed bronze alloy lining with overplate
Popular for fatigue resistance & strength
Provides conformability required for older apps
Our standard material is comparable to competitors performance bearing
Note – This material offers less resistance to wear & corrosion than other materials.
Utilizes ISO & QS certified manufacturing

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$32.99

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
COVERAGE – Available for domestic and foreign nameplate vehicles

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$6.99

Install an ARP cam bolt kit and end your camshaft timing worries ARP quality delivers increased pre-load clamping force and assures positive timing gear register. Includes appropriate fasteners for your application. Increased material strength overcomes valve train harmonics and stress. Added features include oversized bolt head flange for cam button retention and reduced socket head size to facilitate easy installation and removal. Available in both High Performance and Pro Series kits.

Product Features:

ARP Quality Delivers Increased Pre Load Clamping Force And Assures Positive Timing Gear Register
Quality Delivers Increased Pre-Load Clamping Force And Assures Positive Timing Gear Register
Increased Material Strength Overcomes Valve Train Harmonics And Stress
Oversized Bolt Head Flange For Cam Button Retention And Reduced Socket Head Size To Facilitate Easy Installation And Removal
Set of 3
180,000 PSI
.75″ Underhead Length

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$28.99

Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

Hypereutectic
Made with exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
Piston skirts protected by next-gen DUROSHIELD coating.
TAC ring groove geometry
Weight matched to +/- 2 grams.

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$5.29

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

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$165.99

Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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$0.65

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$4.99

Chrome plated stem
Hard coating added to surface for strength & aiding in lubrication
Note – coating added in varying thicknesses depending on application
Innovative design, using leading edge materials
Utilizes ISO & QS certified manufacturing

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$22.79

National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

Design type: springless; multi-lip
Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
Excellent dry running capabilities
Low coefficient of friction
Delivers quality and reliable performance for every type of repair

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$6.99

Product Features:

Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up

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$355.99

Made In USA. Melling Engine Oil Priming Tank was developed as a way for engine builders to safely pre-prime the engine with oil prior to initial engine startup. The priming tank, when filled with clean oil and air pressure pumps oil into all of the critical areas of the new engine quickly and safely.

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$2.79

This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$2.49

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

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$32.99

A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking and even twisting damage of the old shaft even when the part appears to be in good condition. Complete every Melling oil pump replacement with a new Melling oil pump shaft.

Product Features:

Manufactured from high quality materials for consistent durable wear
Precision engineered for optimum fit and function
Designed for long-life and worry-free performance
Meets or exceeds original equipment specifications

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$202.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

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$248.99

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

Imperial Swirl-Cool engine oil cooler kit
Size: 1-1/2″ x 6-1/2″ x 18″
Heavy-duty applications
Chevrolet V8 applications
Size: 1.5 in. x 6.5 in. x 18 in.
Heavy duty applications
Specifically designed for Chevrolet V8 applications with metal line kit for easier installation
Two-pass design for increased cooling
Size: 1.5 in. x 6.5 in. x 18 in.
Heavy duty applications
Specifically designed for Chevrolet V8 applications with metal line kit for easier installation
Two-pass design for increased cooling

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$20.99

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$2.49

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

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$3.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

Upgrade your 1991 GMC C3500HD with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 1991 GMC C3500HD, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Engine Parts are key to keeping your C3500HD functioning at its best. At Advance Auto Parts, we offer a wide selection of 375 Engine Parts for the 1991 GMC C3500HD, designed to meet your needs without breaking the bank. From Engine Timing Part replacements to Camshafts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 1991 GMC C3500HD at great prices. Our Engine Parts inventory for this model ranges from just $0.30 to $4,532.99, with an average price of $220.07. Our 375 Engine Parts in stock come from 19 trusted brands, so you’re sure to find the right part for your 1991 GMC C3500HD without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1991 GMC C3500HD, we stock popular OEM and aftermarket Engine Parts from top names like FELPRO, National, Sealed Power, and more. FELPRO Engine Parts start at just $2.49 and boast an impressive 4.6 stars average rating from customers. National and Sealed Power also bring quality to the table, with Engine Parts available starting at $0.43, and at an average 4.3 stars rating. With 634 customer reviews and counting, our 1991 GMC C3500HD Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1991 GMC C3500HD is always ready to roll. We’re committed to providing you with everything you need to keep your C3500HD in top shape, all in one place. Start shopping confidently below for your 1991 GMC C3500HD!

Best-Selling Engine Timing Parts for 1991 GMC C3500HDs

Enhance the driving experience in your GMC with 51 quality Engine Timing Part components, starting at $9.79.

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$18.79

Made of stainless steel
Designed to prevent timing cover seal leaks
Takes up gaps caused by worn-out harmonic balancer shafts

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$18.99

Bolts on with existing timing cover bolts. It is chrome plated steel, which makes is a better compliment to a chrome timing cover. It also has an adjustable red timing pointer. This allows for better visibility and helps you set your timing more easily. Just loosen the screw, set the pointer to the desired initial timing level, and screw it back down. Then you’ll be able to more clearly see if your timing is where you want it when checking your timing.

Product Features:

Bolts on using existing timing cover bolts
Chrome finish compliments chrome timing covers
Red adjustable pointer makes it easier to check timing

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$9.79

Design type: spring loaded; single-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$46.99

This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:

Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
Cost-effective solution – offers original equipment quality at a competitive price
Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

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$45.99

Designed to repair damaged, grooved or worn shafts
Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
Easy to install with removable flange and installation tool

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$11.49

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Unsurpassed quality you can trust
Validated for fit, form and function
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

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$41.99

Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
Cost-effective solution – offers original equipment quality at a competitive price
Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

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$36.99

Utilizes the latest in design and technology to offer complete chain sets. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Utilizes the latest in design and technology to offer complete chain sets. Refer to our online catalog for detailed application-specific information. SET INCLUDES: S390T Engine Timing Camshaft Sprocket (1 EA), S505 Engine Timing Crankshaft Sprocket (1 EA), C499 Engine Timing Chain (1 EA).

Product Features:

Timing Set includes all components for a quick and efficient replacement
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Utilizes the latest in design and technology to offer complete chain sets
Refer to our online catalog for detailed application-specific information

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$22.99

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment. CAD designed and manufactured using premium materials. Refer to our online catalog for detailed application-specific information.

Product Features:

A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
CAD designed and manufactured using premium materials
Refer to our online catalog for detailed application-specific information
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.

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$28.99

Includes timing cover seal and harmonic balancer sleeve
Solves the oil leaking around timing cover seal
Made of stainless steel
Takes up gaps caused by worn-out harmonic balancer shafts

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$44.99

Utilizes the latest in design and technology to offer complete chain sets. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Utilizes the latest in design and technology to offer complete chain sets. Refer to our online catalog for detailed application-specific information. SET INCLUDES: 9-4149 Engine Timing Chain (1 EA), S645 Engine Timing Crankshaft Sprocket (1 EA), S634T Engine Timing Camshaft Sprocket (1 EA).

Product Features:

Timing Set includes all components for a quick and efficient replacement
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Utilizes the latest in design and technology to offer complete chain sets
Refer to our online catalog for detailed application-specific information

from

$24.99

Precision timing tape can be used on a factory balancer to create HP through accurate timing, and makes setting valve lash simple.

Product Features:

6 3¿4″ diameter
6 3┐4″ diameter
305, 350 cu. in. 1969-93
Increased Performance
Set Valve Lash At Proper Time

from

$24.99

Street Performance 3/8″ Pitch Double Roller Replacement True Roller Chain. Seamless 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life. USA Made.

Product Features:

A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
From stock replacement to high performance, Cloyes has the most complete timing chain catalog
Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
Refer to our online catalog for detailed application-specific information
Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems

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$23.99

A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:

Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
CAD designed and manufactured using premium materials
Refer to our online catalog for detailed application-specific information
Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.

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$11.99

Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Refer to our online catalog for detailed application-specific information

from

$40.99

Utilizes the latest in design and technology to offer complete chain sets. CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. Utilizes the latest in design and technology to offer complete chain sets. Refer to our online catalog for detailed application-specific information. SET INCLUDES: S392T Engine Timing Camshaft Sprocket (1 EA), S393 Engine Timing Crankshaft Sprocket (1 EA), C507 Engine Timing Chain (1 EA).

Product Features:

Timing Set includes all components for a quick and efficient replacement
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Utilizes the latest in design and technology to offer complete chain sets
Refer to our online catalog for detailed application-specific information

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$22.99

Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
CAD designed and manufactured using premium materials
Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Refer to our online catalog for detailed application-specific information

For Use With All V8 Chevy, 12 Point Head Type, Black Oxide, Chrome Moly

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$19.99

ARP timing cover bolts are available in both polished stainless steel or black oxide finish chrome moly. You also can choose between standard hex head bolts or compact 12 point fasteners. Also available as part of ARP complete engine and accessory kits. Studs are preferred by many pro engine builders because they eliminate the chance of pinching gaskets and contribute to easier engine assembly. You will note that ARP studs feature a special bullet nose to guide the nut accurately into place. Available in black oxide finish 8740 chrome moly or polished stainless steel with hex or 12 point nuts. Alternators that come loose are a pain, so That is why ARP came up with these super tough bolts (your choice of chrome moly steel or polished stainless (ARP 300) both rated 170,000 PSI). The stainless has the added advantage of being rust and corrosion resistant.

Product Features:

Made From Black Oxide Finished 8740 Chrome Moly
Nominally Rated At 170,000 Psi Tensile Strength
Super Tough Bolts
Compact 12 Point Fasteners

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$15.99

If you are changing your camshaft or replacing the timing set, make sure to replace this seal at the same time! Metal with Nitrile rubber seal.

Product Features:

Nitrile Rubber And High Density Cork
Will Not Shrink Or Stick

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$20.99

A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
From stock replacement to high performance, Cloyes has the most complete timing chain catalog
Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Cloyes recommends the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced as these components play a vital role in system stability and accurate timing
Refer to our online catalog for detailed application-specific information
Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems

from

$390.99

COMP Cams Big Block Chevy Gen VI Two Piece Billet Aluminum Timing Cover makes the use of early style big block Chevy cams and double roller timing set in the late model Gen VI engine possible. This cover allows the camshaft to be replaced without disturbing the oil pan seal and offers simple endplay adjustment through a dial indicator access hole.

Product Features:

Allows the use of early style big block Chevy cams and double roller timing set in the late model Gen VI engine
Eliminates timing cover flex which causes erratic engine timing
Allows the camshaft to be replaced without disturbing the oil pan seal
Offers simple endplay adjustment through a dial indicator access hole
Integrated timing pointer simplifies ignition timing checks

from

$377.99

QUICK ADJUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. Two Piece Camshaft Sprocket Design Featuring 6 Locking Cap Screws for Maximum Clamp Load. Includes an Accessory Adjustment Tool. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness and Pre-stressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:

The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
Refer to our online catalog for detailed application-specific information
Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.

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$269.99

Billet Crankshaft Sprocket Has Nine Keyways for +/- 8 Degrees Adjustability. Both Billet Steel Sprockets are Heat Treated for Durability. True Roller 0.250″ Roller Diameter “Z” Chain for Reduced Friction. “Z” Chain Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. “Z” Chain Featuring a Press Fit Center Link design that Increases Load Distribution with Heat Treated and Processed Links to Maximize Ulitimate Breaking Strength while Remaining Ductile for Toughness and Prestressed to Increase Fatigue Life. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:

The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
Refer to our online catalog for detailed application-specific information
Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.

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$267.99

HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:

The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
Refer to our online catalog for detailed application-specific information
Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.

Most Popular 1991 GMC C3500HD Camshafts

Customize your GMC with 50 Camshafts products like Engine Camshaft Bolts, Camshaft Bearings, and Camshafts, all priced under $1,546.99.

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$49.99

A-Series bi-metal aluminum alloy
Greater seizure resistance than tri-metal material
Dramatically reduces or eliminates bearing wear
Made with silicon to provide greater surface hardness
Silicon particles help polish crankshaft journal to further reduce wear during operation
Utilizes ISO & QS certified manufacturing

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$49.99

Steel-backed Babbitt lining material
Used in automotive and high-performance
Babbitt is designed to perform under extreme loads w/o damaging other engine parts
Babbitt is more environmentally friendly than other material
ISO & QS certified manufacturing

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$72.99

Speed-Pro delivers the power you need and the value and quality that you deserve. Whether you are running at the track, chasing trophies on the strip, or just cruising down the road, count on Speed-Pro to provide the best value in HP engine components

Product Features:

Steel backed micro Babbitt lining material
Used in automotive and high-performance, Babbitt is designed to deform under extreme loads with o damaging other engine parts.
Fatigue life of cam bearings are nearly doubled
Ensures dependable performance and superior service life
Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust
Application-specific design for perfect fit and correct operation

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$49.99

Steel-backed Babbitt lining material
Used in automotive and high-performance
Babbitt is designed to perform under extreme loads w/o damaging other engine parts
Babbitt is more environmentally friendly than other material
ISO & QS certified manufacturing

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$259.99

HYDRAULIC – Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.

Product Features:

HYDRAULIC – Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.
262/270 Advertised Duration, 218/224 Duration @ .050″, .504″/.510″ Lift, 110 Lobe Separation
Valve spring upgrade required
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

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$30.99

Steel-backed Babbitt lining material
Used in automotive and high-performance
Babbitt is designed to perform under extreme loads w/o damaging other engine parts
Babbitt is more environmentally friendly than other material
ISO & QS certified manufacturing

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$14.99

Heat Treated Steel Bearing Race Material. Must Machine Cam Sprocket or Engiine Block .030″ to Ensure Proper Chain Alignment. Prevents Wear On Engine Block. Can be Used to Repair a Damaged Engine Block Thrust Surface.

Product Features:

Heat Treated Steel Bearing Race Material
Must Machine Cam Sprocket or Engine Block .030″ to Ensure Proper Chain Alignment
Prevents Wear On Engine Block
Can be Used to Repair a Damaged Engine Block Thrust Surface.

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$57.99

Steel-backed Babbitt lining material
Used in automotive and high-performance
Babbitt is designed to perform under extreme loads w/o damaging other engine parts
Babbitt is more environmentally friendly than other material
ISO & QS certified manufacturing

from

$60.99

Steel-backed Babbitt lining material
Used in automotive and high-performance
Babbitt is designed to perform under extreme loads w/o damaging other engine parts
Babbitt is more environmentally friendly than other material
ISO & QS certified manufacturing

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$1546.99

Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

Product Features:

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

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$1546.99

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

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$1545.99

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

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$1545.99

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

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$1545.99

An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.

Product Features:

Best with aftermarket torque converters and 9.5:1 compression.
Great high RPM power.
Easy on valve train parts.
Can be used with mild ratio rocker arms and traditional performance valve springs.

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$1270.99

Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:

Good blend of efficiency and performance.
Perfect choice for performance street rebuilds.
Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.

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$1166.99

Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:

Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
Best with aftermarket converters and more rear gear.
Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.

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$1166.99

Best with aftermarket torque converters and 9.5:1 compression.
Great high RPM power.
Easy on valve train parts.
Can be used with mild ratio rocker arms and traditional performance valve springs.

from

$1166.99

Best with aftermarket torque converters and 9.5:1 compression.
Great high RPM power.
Easy on valve train parts.
Can be used with mild ratio rocker arms and traditional performance valve springs.

from

$1011.00

Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
Best with aftermarket converters and more rear gear.
Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.

from

$708.99

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

from

$678.99

Best with aftermarket torque converters and 9.5:1 compression.
Great high RPM power.
Easy on valve train parts.
Can be used with mild ratio rocker arms and traditional performance valve springs.

from

$664.99

Best with aftermarket torque converters and 9.5:1 compression.
Great high RPM power.
Easy on valve train parts.
Can be used with mild ratio rocker arms and traditional performance valve springs.

from

$607.99

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

from

$574.99

Best with aftermarket torque converters and 9.5:1 compression.
Great high RPM power.
Easy on valve train parts.
Can be used with mild ratio rocker arms and traditional performance valve springs.

Top Picks for 1991 GMC C3500HD Engine Gaskets and Seals

Upgrade GMC C3500HDs with top-quality Engine Gaskets and Seals parts, including 31 OEM and aftermarket selections for your 1991 model.

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$3.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

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$43.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SUPERIOR SEAL – Manufactured with rubber compounds to ensure a consistent and long-life seal across the entire oil pan
PREVENTS OVERTIGHTENING – Torque limiters help eliminate overtightening and gasket splitting and extruding (where applicable)
OE-STYLE REPLACEMENT GASKET – Engineered for OE-style molded rubber gasket replacement
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
ENGINEERING EXPERTISE – Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development

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$2.49

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

from

$22.99

RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
COVERAGE – Available for domestic and foreign nameplate vehicles

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$26.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE – Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

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$32.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$34.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road

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$20.99

Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$20.99

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

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$32.99

Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
Validated for fit, form, and function

from

$32.99

Meets or exceeds all original equipment specifications
Validated for fit, form, and function
Application specific design
Engineered and manufactured specifically for the repair environment
Quality you can trust
Every part for the repair procedure is Includes in the kit unless otherwise noted

from

$21.49

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road

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$16.99

Specialized gasket set called R.A.C.E. or Remainder to Assemble Complete Engine
Includes rear main seal, timing cover gasket and seals and fuel pump gaskets
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

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$16.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

from

$13.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$26.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SUPERIOR SEAL – Manufactured with rubber compounds to ensure a consistent and long-life seal across the entire oil pan
PREVENTS OVERTIGHTENING – Torque limiters help eliminate overtightening and gasket splitting and extruding (where applicable)
OE-STYLE REPLACEMENT GASKET – Engineered for OE-style molded rubber gasket replacement
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
ENGINEERING EXPERTISE – Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
ENGINEERING EXPERTISE – Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development

from

$22.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road

from

$26.99

Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Engineered and manufactured specifically for repair applications
Unsurpassed quality you can trust
Validated for fit, form, and function

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$48.99

Mr. Gasket Performance Valve Cover Gaskets are high-density cork/rubber blend gaskets that use evenly sized cork particles distributed evenly throughout the rubber binder. The result is a compressible valve cover gasket without leak paths. These gaskets create a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Provides excellent flange sealing and durability. For original equipment replacement, high performance street, drag race and oval track use.brbrThese gaskets are .187 inch thick. Fits Chevy 5.0, 5.7L Vortec V8 with center bolt valve covers.

Product Features:

Manufactured from high-density cork/rubber blend gasket material
Provides excellent sealing and durability
For OE replacement, high performance street, drag race and oval track

from

$22.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE – Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

from

$21.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

from

$20.29

RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
COVERAGE – Available for domestic and foreign nameplate vehicles

from

$131.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

from

$199.99

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Includes all parts needed to complete the repair

In-Demand Valve Cover and Cylinder Heads for 1991 GMC C3500HDs

Select from 37 premium Valve Cover and Cylinder Heads parts for your 1991 GMC C3500HD, with prices ranging from $0.30 to $479.99.

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from

$13.99

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$0.43

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$47.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
Validated for fit, form and function
Unsurpassed quality you can trust

from

$2.49

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$3.29

State-of-the-art manufacturing
Exceptional material quality
Exacting tolerances
Heat treated tips
Stock or mild modified replacement
Made in USA

from

$32.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
Validated for fit, form and function
Unsurpassed quality you can trust

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$73.99

Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
Application specific design to ensure a perfect fit
Meets or exceeds all original equipment specifications
Validated for fit, form and function
Unsurpassed quality you can trust
Includes all the parts necessary to complete the repair unless otherwise noted

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$35.99

PermaTorque head gaskets meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Requires no retorquing of the head bolts
Manufactured for the repair environment
Validated for fit, form, and function
Unsurpassed quality you can trust

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$105.99

Chrome plated steel valve cover caps. Fits over original valve covers on 1987-1997 GM (General Motors) small block truck applications only. These caps fit OVER the top of the original equipment valve covers & the original equipment covers use the stock fill cap, breathers, PCV, grommets, and hardware.

Product Features:

Chrome plated steel construction
These Caps Fit Over Existing Factory Stock Painted Valve Covers
Fits Over Truck Center-Bolt Valve Covers
Sold as a pair
Fits Truck applications only
Stock OEM Truck Valve Covers Must Remain in Place & Reuse the Existing Hardware, Breathers, Fill Cap, PVC & Grommets

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$21.99

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$11.99

Retro-fit performance
High-strength steel retainer (precisely limits plunger travel to perform at high rpm)
Eliminates frequent lash adjustments
Significant friction reduction substantially increases horsepower and fuel economy
Delivers quieter engine operation
Application-specific design for perfect fit and correct operation

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$42.99

Product Features:

DESIGNED FOR THE TOUGHEST CONDITIONS – Engineered for hardworking vehicles that operate in severe conditions
STRONG AND DURABLE – Severe duty steel core gaskets designed slightly thicker to accommodate for machined surfaces
PREMIUM MATERIALS – High-grade stainless armor enhances strength and corrosion resistance while proprietary coatings enhance sealing and anti-stick properties
SUPERIOR SEAL – Precise embossed Printo seal sealing beads at all vital areas to eliminate leak paths
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$0.65

from

$8.49

Professional racing rods
1-Piece forged end rods
Hardened for guide plate compatibility
Centerless ground to guarantee concentricity
Black oxide coated for corrosion protection
Part numbers are laser etched on each pushrod for positive ID

from

$93.99

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

from

$6.49

from

$4.99

Chrome plated stem
Hard coating added to surface for strength & aiding in lubrication
Note – coating added in varying thicknesses depending on application
Innovative design, using leading edge materials
Utilizes ISO & QS certified manufacturing

from

$55.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE – Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

from

$10.49

Complete rocker arm assembly
1 Arm
1 Pivot
1 Arm
Utilizes ISO & QS certified manufacturing

from

$136.99

High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 PSI (which is 15 Percent stronger than Grade 8) and kits come complete with hardened parallel ground washers.

Product Features:

High Performance Head Bolts Are Available With A Reduced Wrenching Hex Or 12 Point
Wide Area Flanged Head That Eliminates The Need For Valve Train Removal To Facilitate Cylinder Head Retorquing
Rated At 180,000 PSI Tensile Strength
High Performance Head Bolts Are Stronger

from

$479.99

Inside tang-to-taper relationship held tightly for repeatable valve spring installed heights

Product Features:

For simplicity, any Super Lock fits any COMP Cams 10° retainer – just choose the correct lock for you valve size and application
Super Locks are recommended in all race applications

from

$0.30

Unsurpassed quality that you can trust
Uses leading edge materials
State-of-the-art manufacturing
Exacting tolerances
Meets or exceeds OEM specifications

from

$107.99

Mr. Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street and race applications.

Product Features:

Black Oxide Coated Grade 8 Steel
Kit Contains 16 Studs
Easy To Install
Heat Treated Steel
Prevents Stud Flexing
Black Plated Finish

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$99.99

Designed to keep the rocker arms positively locked for precise and critical valve train adjustments. Manufactured from quality grade steel, then heat-treated for extra strength and plated with a durable finish. Kits include 16 rocker arm nuts with socket head set screws and one hex key wrench.

Product Features:

(16) Rocker Arm Nuts w/ Locks 3/8″-24 Threads
Shank O.D. .540″
Includes Locks and Hex Wrench
High-Quality Grade Steel
Heat-Treated For Ex Strength
Plated With Durable Gold Tone Finish

Most Sold 1991 GMC C3500HD Engine Mounts

Explore our best-selling GMC parts for the 1991 C3500HD among 1 OEM and aftermarket options starting from $35.99.

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$35.99

MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
For Years: 1987-2002
Weight approx: 4 Lbs
PRODUCT: MADE IN THE USA
DESIGN: CLAMSHELL
PART GROUP: 2621, 2621

Top-Rated Engine Parts Brands For Your 1991 GMC C3500HD

Shop for the best-rated brands offering Engine Parts and other products for your 1991 GMC C3500HDs. Below you’ll find some of our best rated Engine Parts from FELPRO, National, and Sealed Power, and more. Engine Parts from these brands that fit a 1991 C3500HD start at just $0.43 and are rated as high as 4.6 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular FELPRO 1991 GMC C3500HD Engine Parts

When it comes to maintaining or upgrading your 1991 GMC C3500HD, using quality Engine Parts is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Engine Parts, specifically designed for the 1991 GMC C3500HD. With over 3 FELPRO brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $2.49, with an average price of just $16.82. Plus, with over 89 customer reviews and an average rating of 4.6 stars, you can trust that our FELPRO Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

from $2.49

(14)

Fuel Pump Mounting Gasket

“Felpro is the best”

from $3.99

(26)

Fuel Pump Mounting Gasket

“Needed for pump that was bought”

from $43.99

(49)

Engine Oil Pan Gasket Set – PermaDry molded rubber, Oil Pan SnapUps Included

“Excellent set, The plastic alignment pins helped out alot.”

Popular National 1991 GMC C3500HD Engine Parts

National auto parts is one of the highest quality Engine Part brands in the market. Any 1991 GMC C3500HD owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 1991 C3500HD, Advance Auto Parts carries a full inventory of 3 National Engine Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these National Engine Parts range from $9.79 to $20.49, plus, with more than 7 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.

from $20.49

(1)

Multi-Purpose Seal

“went in easy”

from $9.79

(1)

Multi-Purpose Seal

“I used this seal to replace the leaking front crankshaft seal on a high performance 454 big block Chevy engine. It fit and installed without any issue”

from $18.79

(5)

Engine Harmonic Balancer Repair Sleeve

“Simple device. Durable. Easy to install”

FAQs for 1991 GMC C3500HD Engine Parts

Which Engine Parts are best-sellers for 1991 GMC C3500HDs?

Out of 375 Engine Parts that fit 1991 GMC C3500HDs, the following parts are the top sellers:

Engine Valve Lifter (5688698) – $13.99
Engine Push Rod (5687063) – $3.29
Fuel Pump Mounting Gasket (5183804) – $3.99

What’s the price range for 1991 GMC C3500HD Engine Parts?

Engine Part prices for the 1991 GMC C3500HD start at $0.30 and go up to $4,532.99 for the most premium parts.

What’s the average price of a Engine Part for a 1991 GMC C3500HD?

The average price for Engine Parts for the 1991 GMC C3500HD is $220.07. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Parts for other GMC C3500HD model years?

Yes, we currently carry Engine Parts for 10 model years of GMC C3500HDs between 1992 and 2002. Engine Parts are bought most frequently for the following model years: 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, and 1994.

What are the cheapest Engine Parts for my 1991 GMC C3500HD?

The cheapest 1991 GMC C3500HD Engine Parts we carry in stock are:

Engine Valve Spring Retainer Keeper (19694177) – $0.30
Engine Valve Spring Retainer Keeper (19694179) – $0.43
Engine Rocker Arm Ball (19694261) – $0.65
Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (22148959) – $1.79
Fuel Pump Mounting Gasket (5183812) – $2.49

What are the top-rated Engine Parts that fit the 1991 GMC C3500HD?

Out of 634 reviews by customers, our 1991 GMC C3500HD Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 1991 GMC C3500HD and their top-rated products:

Engine Gaskets and Seals
- Engine Timing Cover Gasket Set (5783291) – $26.99
- Engine Timing Cover Gasket Set (5189101) – $32.99
- Engine Oil Pan Gasket Set – PermaDry molded rubber, Oil Pan SnapUps Included (5720575) – $43.99
Valve Cover and Cylinder Heads
- Engine Timing Cover Gasket Set (5783291) – $26.99
- Engine Timing Cover Gasket Set (5189101) – $32.99
- Engine Oil Pan Gasket Set – PermaDry molded rubber, Oil Pan SnapUps Included (5720575) – $43.99

What types of Engine Parts do you sell for my 1991 GMC C3500HD?

As of 11/2/25, these are some of the most in-demand types of Engine Parts for a 1991 GMC C3500HD:

Can I get help with 1991 GMC C3500HD Engine Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Engine Parts and more.

What is your return policy for GMC C3500HD Engine Parts?

Advance Auto Parts keeps returns simple. For new GMC C3500HD Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

1991 GMC C3500HD Engine Parts

Mr. Gasket – Precision Timing Tape (Part No.1588)

Anchor – Engine Mount: Front Left, Front Right, 1 Piece (Part No.2621)

Dorman – Valve Covers: with Gasket, Direct Replacement, Stamped Steel (Part No.264-986)

Dorman – Engine Oil Pan: Direct Fit, Steel, Sump, 5 Quart (Part No.264-132)

Dorman – Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each) (Part No.635-002)

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S393)

Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.7845)

Sealed Power – Engine Connecting Rod Bearing (Part No.3190A 30)

Sealed Power – Engine Push Rod (Part No.RP-3093)

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555CP 10)

Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72861)

ARP Auto Racing – Small Block/ Big Block Chevy, 5/16" – 18 Thread Size, .75" Head L, 1/2" Socket (Part No.134-1001)

Sealed Power – Engine Piston Set (Part No.H699DCP 30)

Sealed Power – Engine Valve Lifter (Part No.HT-817B)

Victor Reinz – Engine Conversion Gasket Set (Part No.08-10078-01)

Sealed Power – Engine Rocker Arm Ball (Part No.MR-1783)

Sealed Power – Engine Intake Valve (Part No.V-1926)

National – Engine Crankshaft Seal Kit (Part No.5274A)

Melling – Stock Replacement Engine Assembly Lubricant, 4 oz. (Part No.M-10012)

Melling – Engine Oil Priming Tool (Part No.MPL-201)

Dorman – Steel Cup Expansion Plug 1-3/4 In., Height 0.430 (sold by each) (Part No.555-034)

Sealed Power – Engine Valve Spring (Part No.VS-677)

Melling Select Performance – Engine Oil Pump Intermediate Shaft (Part No.12770)

Felpro – Engine Gasket Set (Part No.260-1315)

Imperial – Engine Oil Cooler (Part No.241046)

National – Multi-Purpose Seal (Part No.4333N)

Felpro – Fuel Pump Mounting Gasket (Part No.5182)

Felpro – Fuel Pump Mounting Gasket (Part No.6579)

National – Engine Harmonic Balancer Repair Sleeve (Part No.88176)

Mr. Gasket – Timing Tab (Part No.4598)

National – Multi-Purpose Seal (Part No.3945)

Dorman – Timing Cover Kit (Part No.635-513)

National – Shaft Repair Sleeve (Part No.99174)

Felpro – Shaft Repair Sleeve (Part No.16202)

Dorman – Timing Cover with Gasket and Seal (Part No.635-505)

Cloyes Gear – Engine Timing Set (Part No.C-3059K)

Cloyes Gear – Engine Timing Chain (Part No.C499)

National – Engine Harmonic Balancer Kit (Part No.5000)

Cloyes Gear – Engine Timing Set (Part No.C-3055)

Mr. Gasket – Precision Timing Tape (Part No.1588)

Cloyes Performance – High Performance Timing Chain (Part No.9-147)

Cloyes Gear – Engine Timing Chain (Part No.9-4149)

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S390T)

Cloyes Gear – Engine Timing Set (Part No.C-3202K)

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S505)

ARP Auto Racing – For Use With All V8 Chevy, 12 Point Head Type, Black Oxide, Chrome Moly (Part No.200-1501)

Mr. Gasket – Timing Cover Seal (Part No.18)

Cloyes Performance – High Performance Timing Chain (Part No.9-146)

Competition Cams – Two-Piece Billet Aluminum Timing Cover for Chevrolet Big Block GEN VI (Part No.217)

Cloyes Performance – High Performance Timing Set (Part No.9-3747)

Cloyes Performance – High Performance Timing Set (Part No.9-3610TX9Z)

Cloyes Performance – High Performance Timing Set (Part No.9-3110A-5)

Sealed Power – Engine Camshaft Bearing Set (Part No.1749M)

Sealed Power – Engine Camshaft Bearing Set (Part No.1235M)

Sealed Power – Camshaft Bearing Set (Part No.2100M)

Sealed Power – Engine Camshaft Bearing Set (Part No.1404M)

Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam (Part No.11-238-3)

Sealed Power – Engine Camshaft Bearing Set (Part No.1235M 1)

Cloyes Performance – Engine Camshaft Thrust Washer (Part No.9-203)

Sealed Power – Engine Camshaft Bearing Set (Part No.1496M)

Sealed Power – Engine Camshaft Bearing Set (Part No.1750M)

Competition Cams – Xtreme Energy 224/230 Hydraulic Roller Cam K-Kit (Part No.K11-423-8)

Competition Cams – Xtreme Energy 218/224 Hydraulic Roller Cam K-Kit (Part No.K11-422-8)

Competition Cams – Xtreme Energy 236/242 Hydraulic Roller Cam K-Kit (Part No.K11-433-8)

Competition Cams – Xtreme Energy 248/254 Hydraulic Roller Cam K-Kit (Part No.K11-444-8)

Competition Cams – Magnum 232/232 Hydraulic Roller Cam K-Kit (Part No.K11-450-8)

Competition Cams – High Energy 206/206 Hydraulic Flat Cam K-Kit (Part No.K11-202-3)

Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit (Part No.CL11-602-8)

Competition Cams – Magnum 232/232 Hydraulic Roller Cam and Lifter Kit (Part No.CL11-450-8)

Competition Cams – Magnum 224/224 Hydraulic Roller Cam and Lifter Kit (Part No.CL11-430-8)

Competition Cams – Thumpr 235/249 Hydraulic Flat Cam K-Kit (Part No.K11-601-4)

Competition Cams – Xtreme Energy 250/256 Hydraulic Flat Cam K-Kit (Part No.K11-254-4)

Competition Cams – Magnum 253/253 Hydraulic Flat Cam K-Kit (Part No.K11-214-4)

Competition Cams – Magnum/Oval Track 244/244 Hydraulic Flat Cam K-Kit (Part No.K11-213-3)

Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam K-Kit (Part No.K11-242-3)

Competition Cams – Magnum 206/206 Hydraulic Roller Cam (Part No.11-410-8)

Felpro – Fuel Pump Mounting Gasket (Part No.6579)

Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber, Oil Pan SnapUps Included (Part No.OS 34500 R)

Felpro – Fuel Pump Mounting Gasket (Part No.5182)