1966 GMC Suburban Engine Parts

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Essential Engine Parts for 1966 GMC Suburbans

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

Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each)

from

$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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Dorman – Steel Cup Expansion Plug 13.70mm, Height 0.180 (Sold by each) (Part No.555-007)

Steel Cup Expansion Plug 13.70mm, Height 0.180 (Sold by each)

from

$1.79
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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Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.7733 PT-2)

PermaTorque Engine Cylinder Head Gasket

from

$35.99
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:
  • 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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Mr. Gasket – Valve Cover (Part No.9800)

Valve Cover

from

$73.99
Made of chrome plated steel. Smooth top with original equipment height and internal baffle. Features one breather/oil filler cap opening per valve cover. Hardware and gaskets sold separately.

Product Features:
  • Fits 1960-1986 Chevy 262-400 Small Block
  • OEM height, short-style covers
  • Chrome plated steel construction
  • Perimeter style bolt pattern
  • Features 1 breather/oil fill cap opening per valve cover
  • Sold as a pair
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Felpro – Fuel Pump Mounting Gasket (Part No.6579)

Fuel Pump Mounting Gasket

from

$3.99
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:
  • 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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Felpro – Engine Gasket Set (Part No.KS 2606)

Engine Gasket Set

from

$55.99
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
  • Includes all parts needed to complete the repair
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Melling Select Performance – Engine Oil Pump Intermediate Shaft (Part No.12550)

Engine Oil Pump Intermediate Shaft

from

$34.99
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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Cloyes Gear – Engine Timing Camshaft Gear (Part No.2526)

Engine Timing Camshaft Gear

from

$36.99
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 gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • 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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Sealed Power – Engine Piston Set (Part No.H909CP)

Engine Piston Set

from

$45.99
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:
  • Helps improve cylinder sealing for less blow-by
  • Retains standard ring gaps in top groove
  • DUROSHIELD« skirt-coated piston
  • Moly-graphite coating extends engine life
  • Reduces friction for higher fuel economy
  • Prevents damage from inadequate lubrication on start-up
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Felpro – Engine Gasket Set (Part No.260-1000AT)

Engine Gasket Set

from

$162.99
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
  • Includes all parts needed to complete the repair
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Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2020CP)

Engine Connecting Rod Bearing Set

from

$58.99
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • 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
See More

Melling Select Performance – High Performance Standard Volume Cast Iron Oil Pump (Part No.10553ST)

High Performance Standard Volume Cast Iron Oil Pump

from

$197.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling high performance cast iron oil pump series features a doweled housing and cover, extended drive and idler shaf

Product Features:
  • High pressure standard volume high performance upgrade of the M-55 & M-55A
  • CNC machined phosphate coated cast iron housing and cover
  • Patented billet steel shark tooth helical gears
  • Includes chrome moly steel intermediate drive shaft with steel guide
  • Includes lower pressure spring; not installed
  • Uses 5/8 inch diameter press-fit screen
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Melling Select Performance – High Performance Replacement Bolt On Oil Pump Screen (Part No.12564)

High Performance Replacement Bolt On Oil Pump Screen

from

$44.99
A new Melling high performance pick-up tube/oil screen assembly provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system. Contaminates enter your oil system via engine wear, extended time between oil changes and other internal engine sources. These contaminates can interfere with the proper oil flow and pressure spring functions resulting in engine damage and/or failure. Melling suggests that a new properly installed high performance oil pump pick-up tube/screen be a part of every oil pump installation when a higher quality oil pump screen is required. Melling high performance oil pump pick-up tubes/screens are manufactured with stronger welds and in some cases designed with additional reinforced mountings, include mounting bolts and are supplied with protective coatings.

Product Features:
  • Manufactured from high quality durable materials for long wear
  • Precision engineered for maximum fit and function
  • Designed for long-life and worry-free performance
  • Includes additional support mounting bracket for high performance applications
  • Phosphate coated for rust protection
  • Includes screen mounting gasket and hex head wrench
  • Exceeds original equipment specifications
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Imperial – Engine Oil Cooler (Part No.241040)

Engine Oil Cooler

from

$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
  • All except Chevrolet V8 applications
  • Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
  • Heavy duty applications
  • All except Chevrolet V8 applications
  • Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
  • Heavy duty applications
  • All except Chevrolet V8 applications
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Dorman – Steel Cup Expansion Plug 2-3/32 In., SC, Height 0.278 (sold by each) (Part No.555-049)

Steel Cup Expansion Plug 2-3/32 In., SC, Height 0.278 (sold by each)

from

$2.99
This engine camshaft 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 camshaft 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
See More

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

Engine Harmonic Balancer Repair Sleeve

from

$18.79
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:
  • 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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National – Multi-Purpose Seal (Part No.9845)

Multi-Purpose Seal

from

$9.79
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: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
See More

Dorman – Rubber Expansion Plug 2 In. – Size Range 2 In. – 2-1/8 In. (Part No.02607)

Rubber Expansion Plug 2 In. - Size Range 2 In. - 2-1/8 In.

from

$11.49
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
See More

Sealed Power – Engine Exhaust Valve (Part No.V-1904)

Engine Exhaust Valve

from

$6.49
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.
See More

Mr. Gasket – Rear Main Seal Gasket (Part No.1971)

Rear Main Seal Gasket

from

$55.99
This Mr. Gasket Rear Main Seal is made from Viton&reg: Rubber. This style of rubber can handle high temperature like silicone rubber, but with superior abrasion resistance. It’s durability and design make it recommended for applications that have high engine vacuum, like racing engines that utilize external vacuum pumps for crankcase evacuation.

Product Features:
  • Repairs That Leaky Rear Main Sail
  • Viton&reg: Rubber Offers Both Abrasion Resistance & High Temperature Tolerance
  • Upgrade for Rope Seal Equipped Cars or Silicone Rubber Main Seals
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Dorman – Steel Cup Expansion Plug 2-1/64 In., Height 0.650 (Sold by each) (Part No.555-045)

Steel Cup Expansion Plug 2-1/64 In., Height 0.650 (Sold by each)

from

$2.99
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
See More

Felpro – Engine Valve Cover Gasket Set (Part No.VS 12932 C)

Engine Valve Cover Gasket Set

from

$15.99
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:
  • 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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Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 1)

Engine Connecting Rod Bearing

from

$7.29
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:
  • 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
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.60083)

Exhaust Pipe Flange Gasket

from

$4.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 5112)

Engine Valve Stem Oil Seal Set

from

$16.99
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:
  • 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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MAHLE Original – Fuel Pump Gasket (Part No.D27094)

Fuel Pump Gasket

from

$1.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 8530 PT-1)

PermaTorque Engine Cylinder Head Gasket Set

from

$48.99
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:
  • 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
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Melling – Stock Replacement Oil Pump Drive Gear (Part No.DG-62C)

Stock Replacement Oil Pump Drive Gear

from

$42.49
Made In USA. Melling offers a replacement oil pump drive gear for several Jeep and GM applications. This gear should be replaced should the original gear show ware or be damaged or lost during the rebuilding process.

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
See More

Upgrade your 1966 GMC Suburban with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 1966 GMC Suburban, 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 Suburban functioning at its best. At Advance Auto Parts, we offer a wide selection of 104 Engine Parts for the 1966 GMC Suburban, designed to meet your needs without breaking the bank. From Camshaft replacements to Engine Internals 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 1966 GMC Suburban at great prices. Our Engine Parts inventory for this model ranges from just $0.43 to $427.99, with an average price of $50.54. Our 104 Engine Parts in stock come from 13 trusted brands, so you’re sure to find the right part for your 1966 GMC Suburban 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 1966 GMC Suburban, we stock popular OEM and aftermarket Engine Parts from top names like FELPRO, Sealed Power, National, and more. FELPRO Engine Parts start at just $3.99 and boast an impressive 4.6 stars average rating from customers. Sealed Power and National also bring quality to the table, with Engine Parts available starting at $0.43, and at an average 4.3 stars rating. With 452 customer reviews and counting, our 1966 GMC Suburban 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 1966 GMC Suburban is always ready to roll. We’re committed to providing you with everything you need to keep your Suburban in top shape, all in one place. Start shopping confidently below for your 1966 GMC Suburban!

Best-Selling Camshafts for 1966 GMC Suburbans

Enhance the driving experience in your GMC with 6 quality Camshaft components, starting at $2.99.

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (Part No.362657.1)

Steel Cup Expansion Plug 1-5/8 In., Height 0.500

from

$2.99
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
See More

Dorman – Pik-a-Nut – Steel Cup Expansion Plug 2-3/32 In., SC, Height 0.278 (Part No.362566.1)

Steel Cup Expansion Plug 2-3/32 In., SC, Height 0.278

from

$3.99
This engine camshaft 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 camshaft 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
See More

Dorman – Steel Cup Expansion Plug 2-7/64 In., Height 0.310 (sold by each) (Part No.555-080)

Steel Cup Expansion Plug 2-7/64 In., Height 0.310 (sold by each)

from

$2.99
This engine camshaft 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 camshaft 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
See More

Dorman – Steel Cup Expansion Plug 2-3/32 In., SC, Height 0.278 (sold by each) (Part No.555-049)

Steel Cup Expansion Plug 2-3/32 In., SC, Height 0.278 (sold by each)

from

$2.99
This engine camshaft 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 camshaft 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
See More

Dorman – Steel Cup Expansion Plug 2-3/32 In., Height 0.530 (sold by each) (Part No.555-085)

Steel Cup Expansion Plug 2-3/32 In., Height 0.530 (sold by each)

from

$2.99
This engine camshaft 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 camshaft 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
See More

Dorman – Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (Part No.555-030.1)

Steel Cup Expansion Plug 1-5/8 In., Height 0.500

from

$3.99
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
See More

Most Popular 1966 GMC Suburban Engine Internals

Customize your GMC with 41 Engine Internals products like Crankshaft Seals, Standard Individual Rod Bearings, and Standard Rod Bearing Sets, all priced under $80.99.

Sealed Power – Engine Connecting Rod Bearing (Part No.2555CP)

Engine Connecting Rod Bearing

from

$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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 1)

Engine Connecting Rod Bearing

from

$7.29
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 20)

Engine Connecting Rod Bearing

from

$5.99
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:
  • 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
See More

National – Multi-Purpose Seal (Part No.9845)

Multi-Purpose Seal

from

$9.79
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: spring loaded; multi-lip
  • Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
See More

Driveworks – Oil Seal (Part No.S-9845)

Oil Seal

from

$7.99
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 10)

Engine Connecting Rod Bearing

from

$5.99
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:
  • 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
See More

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

Engine Connecting Rod Bearing

from

$6.99
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555A)

Engine Connecting Rod Bearing

from

$6.29
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2400P)

Engine Connecting Rod Bearing

from

$26.49
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555CP 20)

Engine Connecting Rod Bearing

from

$6.29
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:
  • 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
See More

Sealed Power – Engine Piston Ring Set (Part No.E-234X)

Engine Piston Ring Set

from

$50.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555CP 30)

Engine Connecting Rod Bearing

from

$5.99
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2020CP 30)

Engine Connecting Rod Bearing

from

$7.49
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555CP 1)

Engine Connecting Rod Bearing

from

$6.29
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:
  • 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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2555A 2)

Engine Connecting Rod Bearing

from

$4.79
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
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2020CP 10)

Engine Connecting Rod Bearing

from

$6.79
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:
  • 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
See More

Sealed Power – Engine Piston Ring Set (Part No.E-234X 30)

Engine Piston Ring Set

from

$50.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Connecting Rod Bearing (Part No.2020CP)

Engine Connecting Rod Bearing

from

$7.29
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:
  • 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
See More

Sealed Power – Engine Piston Ring Set (Part No.E-234K 30)

Engine Piston Ring Set

from

$61.99
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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Piston Ring Set (Part No.E-234K)

Engine Piston Ring Set

from

$59.99
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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4124MA 10)

Engine Crankshaft Main Bearing Set

from

$62.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

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

Connecting Rod Nuts, Type 2, 3/8-24 X 9/16 In., Ford (sold by each)

from

$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
See More

Sealed Power – Engine Piston Ring Set (Part No.E-217K 30)

Engine Piston Ring Set

from

$80.99
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:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4124MA 20)

Engine Crankshaft Main Bearing Set

from

$69.99
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:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
See More

Top Picks for 1966 GMC Suburban Engine Gaskets and Seals

Upgrade GMC Suburbans with top-quality Engine Gaskets and Seals parts, including 11 OEM and aftermarket selections for your 1966 model.

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

Fuel Pump Mounting Gasket

from

$3.99
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:
  • 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
See More

Felpro – VALVE COVER GASKET SET (Part No.VS 13173-1)

VALVE COVER GASKET SET

from

$15.99
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:
  • 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 help ensure a consistent and long-life seal
  • PRECISE DESIGN – Engineered to work with the embossed cover and pan flanges
  • PREVENTS OVERTIGHTENING – Features compression limiters incorporated into the design to help eliminate overtightening (application specific)
  • 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
See More

Felpro – Engine Crankshaft Seal Kit (Part No.BS 40013)

Engine Crankshaft Seal Kit

from

$26.99
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:
  • 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
See More

Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 5112)

Engine Valve Stem Oil Seal Set

from

$16.99
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:
  • 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
See More

Felpro – Exhaust Pipe Flange Gasket (Part No.9672)

Exhaust Pipe Flange Gasket

from

$5.99
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:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – PermaTorque Engine Gasket Set (Part No.FS 8006 PT-4)

PermaTorque Engine Gasket Set

from

$103.99
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:
  • 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
See More

Felpro – Engine Gasket Set (Part No.260-1005)

Engine Gasket Set

from

$87.99
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:
  • 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
See More

Felpro – Engine Conversion Gasket Set (Part No.CS 8006-2)

Engine Conversion Gasket Set

from

$36.99
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:
  • 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
  • Includes all the parts necessary to complete the repair unless otherwise noted
See More

Felpro – Engine Valve Cover Gasket Set (Part No.VS 12932 C)

Engine Valve Cover Gasket Set

from

$15.99
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:
  • 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
See More

Victor Reinz – Fuel Pump Mounting Gasket (Part No.71-13599-00)

Fuel Pump Mounting Gasket

from

$2.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

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.
See More

MAHLE Original – Fuel Pump Gasket (Part No.D27094)

Fuel Pump Gasket

from

$1.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
See More

In-Demand Valve Cover and Cylinder Heads for 1966 GMC Suburbans

Select from 11 premium Valve Cover and Cylinder Heads parts for your 1966 GMC Suburban, with prices ranging from $0.43 to $427.99.

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

Engine Valve Lifter

from

$13.99
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

from

$0.43
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Felpro – Engine Cylinder Head Gasket Set (Part No.HS 7961 SB-1)

Engine Cylinder Head Gasket Set

from

$89.99
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:
  • Head sets contain gaskets and seals necessary for a valve grind or head reconditioning job
  • Application specific design to ensure a perfect fit and premium seal
  • Premium quality parts you can trust
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Contains all the parts needed to complete the repair unless otherwise noted
See More

Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 8006 PT-1)

PermaTorque Engine Cylinder Head Gasket Set

from

$60.99
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:
  • 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
See More

Sealed Power – Engine Exhaust Valve (Part No.V-1904)

Engine Exhaust Valve

from

$6.49
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.
See More

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.8006 PT)

PermaTorque Engine Cylinder Head Gasket

from

$22.99
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:
  • 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
See More

Dorman – Steel Cup Expansion Plug 13.70mm, Height 0.180 (Sold by each) (Part No.555-007)

Steel Cup Expansion Plug 13.70mm, Height 0.180 (Sold by each)

from

$1.79
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
See More

Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 8530 PT-1)

PermaTorque Engine Cylinder Head Gasket Set

from

$48.99
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:
  • 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
See More

Spartan – Engine Cylinder Head; Chev 292 63-66 Cyl Head (Part No.2C39)

Engine Cylinder Head; Chev 292 63-66 Cyl Head

from

$427.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
See More

Edelbrock – Signature Series Valve Covers for Chevrolet 194-292 1962-2001 InLine 6 (Part No.4477)

Signature Series Valve Covers for Chevrolet 194-292 1962-2001 InLine 6

from

$76.99
The Edelbrock No. 4477 Signature Series Valve Covers are designed for Chevrolet 194-292 1962-88 Inline 6 (USA) & 1962-2001 (South America) applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.
See More

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

Engine Valve Lifter

from

$5.29
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:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Most Sold 1966 GMC Suburban Engine Timing Parts

Explore our best-selling GMC parts for the 1966 Suburban among 11 OEM and aftermarket options starting from $11.49.

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

Engine Harmonic Balancer Repair Sleeve

from

$18.79
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:
  • Made of stainless steel
  • Designed to prevent timing cover seal leaks
  • Takes up gaps caused by worn-out harmonic balancer shafts
See More

National – Shaft Repair Sleeve (Part No.99174)

Shaft Repair Sleeve

from

$45.99
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:
  • 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
See More

Felpro – Shaft Repair Sleeve (Part No.16202)

Shaft Repair Sleeve

from

$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
See More

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

Engine Harmonic Balancer Kit

from

$28.99
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:
  • 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
See More

Cloyes Gear – Engine Timing Gear Set (Part No.2525S)

Engine Timing Gear Set

from

$43.99
Aluminum cam gear, steel crank gear. feature “helical” tooth form for quiet operation, and precision machined bore for true fit. SET INCLUDES: 2524 Engine Timing Camshaft Gear (1 EA), 2537 Engine Timing Crankshaft Gear (1 EA).

Product Features:
  • 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
  • Meet or exceed OEM performance requirements, ensuring a quiet and maintenance-free experience
  • Refer to our online catalog for detailed application-specific information
See More

MAHLE Original – Engine Timing Cover Seal (Part No.65022)

Engine Timing Cover Seal

from

$15.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Cloyes Gear – Engine Timing Camshaft Gear (Part No.2526)

Engine Timing Camshaft Gear

from

$36.99
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 gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • 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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Cloyes Gear – Engine Timing Gear Set (Part No.2528S)

Engine Timing Gear Set

from

$73.99
Aluminum cam gear, steel crank gear. feature “helical” tooth form for quiet operation, and precision machined bore for true fit. SET INCLUDES: 2526 Engine Timing Camshaft Gear (1 EA), 2527 Engine Timing Crankshaft Gear (1 EA).

Product Features:
  • 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
  • Meet or exceed OEM performance requirements, ensuring a quiet and maintenance-free experience
  • Refer to our online catalog for detailed application-specific information
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Cloyes Gear – Engine Timing Camshaft Gear (Part No.2524)

Engine Timing Camshaft Gear

from

$37.99
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 gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • 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
See More

Cloyes Gear – Engine Timing Crankshaft Gear (Part No.2527)

Engine Timing Crankshaft Gear

from

$25.99
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 gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • 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
See More

Cloyes Gear – Engine Timing Crankshaft Gear (Part No.2537)

Engine Timing Crankshaft Gear

from

$17.99
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 gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • 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
See More

Top-Rated Engine Parts Brands For Your 1966 GMC Suburban

Shop for the best-rated brands offering Engine Parts and other products for your 1966 GMC Suburbans. Below you’ll find some of our best rated Engine Parts from FELPRO, Sealed Power, and National, and more. Engine Parts from these brands that fit a 1966 Suburban 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 1966 GMC Suburban Engine Parts

When it comes to maintaining or upgrading your 1966 GMC Suburban, 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 1966 GMC Suburban. 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 $3.99, with an average price of just $36.66. Plus, with over 28 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.
Fuel Pump Mounting Gasket
from $3.99
(26)
Fuel Pump Mounting Gasket
“Needed for pump that was bought”
VALVE COVER GASKET SET
from $15.99
(1)
VALVE COVER GASKET SET
“nice”
Engine Cylinder Head Gasket Set
from $89.99
(1)
Engine Cylinder Head Gasket Set
“I ordered a hard to find gasket set for a GMC 305 V-6. We had a snow storm and UPS lost them.I ordered another set.Advance Auto Parts did a awesome jo”

Popular Sealed Power 1966 GMC Suburban Engine Parts

Sealed Power auto parts is one of the highest quality Engine Part brands in the market. Any 1966 GMC Suburban owner should feel confident when installing genuine Sealed Power parts in their vehicle. To ensure the best fit and performance for your 1966 Suburban, Advance Auto Parts carries a full inventory of 3 Sealed Power Engine Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these Sealed Power Engine Parts range from $0.43 to $13.99, plus, with more than 18 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.
Engine Valve Lifter
from $13.99
(15)
Engine Valve Lifter
“Dropped right in, correct size, no issues. Runs great.”
Engine Connecting Rod Bearing
from $8.49
(1)
Engine Connecting Rod Bearing
“great”
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
“You guys are always great”

FAQs for 1966 GMC Suburban Engine Parts

Which Engine Parts are best-sellers for 1966 GMC Suburbans?

Out of 104 Engine Parts that fit 1966 GMC Suburbans, the following parts are the top sellers:

What’s the price range for 1966 GMC Suburban Engine Parts?

Engine Part prices for the 1966 GMC Suburban start at $0.43 and go up to $427.99 for the most premium parts.

What’s the average price of a Engine Part for a 1966 GMC Suburban?

The average price for Engine Parts for the 1966 GMC Suburban is $50.54. 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 Suburban model years?

Yes, we currently carry Engine Parts for 7 model years of GMC Suburbans between 1955 and 1965. Engine Parts are bought most frequently for the following model years: 1965, 1964, 1963, 1962, 1961, 1960, 1957, and 1955.

What are the cheapest Engine Parts for my 1966 GMC Suburban?

What are the top-rated Engine Parts that fit the 1966 GMC Suburban?

Out of 452 reviews by customers, our 1966 GMC Suburban Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 1966 GMC Suburban and their top-rated products:

What types of Engine Parts do you sell for my 1966 GMC Suburban?

As of 11/2/25, these are some of the most in-demand types of Engine Parts for a 1966 GMC Suburban:

Can I get help with 1966 GMC Suburban 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 Suburban Engine Parts?

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