1991 Buick LeSabre Engine Parts

Below you will find various in-demand Buick Engine Parts, components and accessories for your 1991 LeSabre. Advance Auto Parts has popular LeSabre parts like Engine Gaskets and Seals, Engine Mounts, Camshafts and more. You’ll also find aftermarket and OEM Engine Parts for other LeSabre model years including 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 and more. Select a category of 1991 Buick LeSabre Engine Parts below and start saving instantly.

Please Select your Vehicle to See Exact Fit Parts

Popular 1991 Buick LeSabre Engine Parts Categories

Valve Covers

Engine Valve Lifters

Valve Cover Gaskets

Camshaft Position Sensors

OE Engine Oil Coolers

Rear Main Seal Sets

Crankshaft Position Sensors

Harmonic Balancers

Cylinder Head Gasket Sets

Camshaft Position Sensor Connectors

Engine Oil Pump Pickup Tube and Screens

Camshaft Timing Adjuster Magnets

Oversized Main Bearings

Standard Rod Bearing Sets

Oil Pump Kits

Timing Chains

Balance Shaft Sprockets

Standard Individual Rod Bearings

Timing Crank Gears

Expansion Plugs

Engine Valve Locks

Engine Camshaft Position Sensor O-rings

Engine Assembly Lube

Engine Valve Cover O-Rings

Essential Engine Parts for 1991 Buick LeSabres

from

$13.49

Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:

Provides proper seal to ensure leak prevention
Stops engine blow by
High quality construction
Meets all OEM specifications

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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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$41.99

Made In USA. A new Melling 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 oil pump pick-up tube/screen be a part of every oil pump installation. Several Melling oil pump applications are offered with an oil screen included.

Product Features:

Manufactured from high quality durable materials for long wear
Precision engineering protects the engine from dirt and contaminants
Designed for long-life and worry-free performance
Meets or exceeds original equipment specifications

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$5.99

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
Design to ensure a perfect fit
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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$0.65

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.

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$8.99

Our uniquely designed pilot seal expansion plugs ensure a leak-proof fit.

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

from

$143.99

CARDONE Remanufactured Electronic and Powertrain Control Modules are designed to meet or exceed O.E. performance. Reverse engineering provides insight into how and why the unit originally failed, allowing our engineers to identify and correct original design weaknesses. All critical components are re-soldered or replaced at our Philadelphia manufacturing plant, and each unit is 100 percent computer tested to ensure reliability. CARDONE is committed to getting your vehicle back to peak performance.

Product Features:

Tested with automated computer equipment or bench-tested, depending on application, to ensure functionality.
Re-soldering of critical components ensures superior electrical connections. This prevents intermittent failures and leads to longer product life.
On-car vehicle validation is done to test durability and performance.
As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80 percent.

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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

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$97.99

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

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$45.99

Sprockets Are Made From High Alloy Steel, and Heat-Treated For Durability. Chain Is Pre-Stressed and Heat-Treated For Longevity. SET INCLUDES: C498 Engine Timing Chain (1 EA), S369 Engine Timing Crankshaft Sprocket (1 EA), S398T Engine Timing Camshaft Sprocket (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
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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$57.99

An ACDelco Professional, premium aftermarket Engine Crankshaft Position Sensor is a high quality replacement for many vehicles on the road today. It monitors the position and rotational speed of the crankshaft. The signal from the crankshaft position sensor is used by the engine control module to determine fuel injection and ignition timing. This premium aftermarket replacement engine crankshaft position sensor is manufactured to meet your expectations for fit, form, and function.

Product Features:

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

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$49.99

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: split-lip; 2-piece
Temperature range: -80 Deg. F to 350 Deg. F / -62 Deg. C to 176 Deg. C
Good dry heat resistance
Excellent low temperature capability
Delivers quality and reliable performance for every type of repair

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$76.99

Anchor 2801 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

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 Chemlok 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: 1991-1999
Weight approx: 4 Lbs

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$13.99

The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:

Precision-wound coated copper windings increase product durability and life cycle.
Hard-coated and anodized spool valve to prevent corrosion and increase service life.
Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure product reliability, every time.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

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$38.99

Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$17.99

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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$15.99

Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Links With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.

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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$142.99

For use on the most popular passenger car, light commercial and four-wheel drive applications, Dayco harmonic balancers use special rubber compounds to dampen and remove engine harmonics and add to engine performance. Manufactured using a premium ductile iron casting and injection bonded dampening rubber, Dayco harmonic balancers offer engine builders and technicians the highest quality replacement to standard OEM balancers, which are typically made with press inserted dampening rubber. Dayco balancers utilize both inserted and pressure-bonded rubber to provide superior bonding strength between the inner and outer balancer rings, helping minimize spin and dislocation.

Product Features:

Designed as premium OEM replacement balancers for serpentine and V-belt drives
Manufactured with ductile iron casting and injection bonded dampening rubber
Engineered to offer superior bonding strength between the balancer rings

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$22.49

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
Engineered for the sealing repair environment
Validated for fit, form and function
Unsurpassed quality you can trust

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$2.29

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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$18.99

Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.

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

from

$9.99

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

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$113.99

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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$76.99

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 Babbitt lining material
For use in automotive and high-performance applications
Babbitt designed to deform under extreme loads without damaging other engine parts
Meets unique demands of performance engines
Delivers dependable performance and superior service life
Application-specific design for perfect fit and correct operation

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$33.99

Gear Made From High Alloy Material. Features “Helical” Tooth Form For Quiet Operation, And Precision Machined Bore For True Fit.”

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
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

from

$6.29

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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$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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$20.99

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

Upgrade your 1991 Buick LeSabre with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 1991 Buick LeSabre, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Buick or enhancing its overall performance, Engine Parts are key to keeping your LeSabre functioning at its best. At Advance Auto Parts, we offer a wide selection of 63 Engine Parts for the 1991 Buick LeSabre, designed to meet your needs without breaking the bank. From Engine Gaskets and Seal replacements to Engine Mounts 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 Buick LeSabre at great prices. Our Engine Parts inventory for this model ranges from just $0.43 to $248.99, with an average price of $43.94. Our 63 Engine Parts in stock come from 17 trusted brands, so you’re sure to find the right part for your 1991 Buick LeSabre 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 Buick LeSabre, we stock popular OEM and aftermarket Engine Parts from top names like Felpro, Sealed Power, Dorman, and more. Felpro Engine Parts start at just $2.79 and boast an impressive 4.6 stars average rating from customers. Sealed Power and Dorman also bring quality to the table, with Engine Parts available starting at $0.43, and at an average 4.3 stars rating. With 810 customer reviews and counting, our 1991 Buick LeSabre 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 Buick LeSabre is always ready to roll. We’re committed to providing you with everything you need to keep your LeSabre in top shape, all in one place. Start shopping confidently below for your 1991 Buick LeSabre!

Best-Selling Engine Gaskets and Seals for 1991 Buick LeSabres

Enhance the driving experience in your Buick with 4 quality Engine Gaskets and Seal components, starting at $17.99.

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$27.99

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

$20.99

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

from

$17.99

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

from

$32.99

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.
Application specific molded rubber construction
Engineered cross section
Dana engineering-approved for fit, form and function

Most Popular 1991 Buick LeSabre Engine Mounts

Customize your Buick with 1 Engine Mounts products like Engine Mounts, all priced under $23.49.

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$23.49

Anchor 2552 This mount supports the engine and dampen vibration. Each mount is specifically engineered and designed to OE standards. Natural and SBR rubber provide maximum life and performance. Steel fasteners are heat treated grade 5 bolts. A special bonding agent is used to ensure a rubber to metal bond. Rubber material is mixed to specific Durometer, hardness.

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 Chemlok 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: 1985-1991
Weight approx: 4 Lbs
Hydraulic

Top Picks for 1991 Buick LeSabre Camshafts

Upgrade Buick LeSabres with top-quality Camshafts parts, including 4 OEM and aftermarket selections for your 1991 model.

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from

$2.79

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
Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

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$39.99

A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.

Product Features:

Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
Manufactured in an anti-static environment to ensure reliability and stability.
Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.

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$38.99

Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
Product constructed to meet all design and operating characteristics as intended by the manufacturer.
OE specified wire gauge to ensure a reliable electrical connection
Designed to meet or exceed OE specifications in form, fit and function

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$13.99

Precision-wound coated copper windings increase product durability and life cycle.
Hard-coated and anodized spool valve to prevent corrosion and increase service life.
Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
100% end-of-line tested to ensure product reliability, every time.
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

In-Demand Engine Timing Parts for 1991 Buick LeSabres

Select from 6 premium Engine Timing Parts parts for your 1991 Buick LeSabre, with prices ranging from $22.99 to $64.99.

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from

$22.99

Design type: spring loaded; single-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

from

$64.99

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: C375 Engine Timing Chain (1 EA), S729 Engine Timing Crankshaft Sprocket (1 EA), S716T 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

$35.99

Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Links With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.

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.

from

$33.99

Gear Made From High Alloy Material. Features “Helical” Tooth Form For Quiet Operation, And Precision Machined Bore For True Fit.”

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
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

from

$28.99

Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.

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

from

$26.99

Sprocket Made From High Alloy Material. Sprocket Teeth Are Heat Treated. Precision Tooth Form To Assure Proper Chain Engagement, And Precise Keyway To Tooth Timing.

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

Most Sold 1991 Buick LeSabre Valve Cover and Cylinder Heads

Explore our best-selling Buick parts for the 1991 LeSabre among 10 OEM and aftermarket options starting from $0.43.

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from

$22.49

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

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

from

$77.99

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

from

$77.99

The Edelbrock #4486 Signature Series Valve Covers are designed for Buick 3.8L & 4.1L V6 ’77 & later 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.

Product Features:

Buick 3.8L & 4.1L V6 1977 & Later
Short
Chrome Steel
Set Of Two
Rubber Grommets For Breather

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$14.49

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:

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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$24.99

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:

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

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$5.99

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
Design to ensure a perfect fit
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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$55.99

ACDelco GM Original Equipment Engine Valve Lifters automatically help maintain a ‘zero’ valve lash condition to help prevent valve train noise and unnecessary valve train component wear, and are GM-recommended replacements for your vehicle’s original components. These original equipment valve lifters have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Adjusts the valves on your vehicle’s engine for proper performance
GM-recommended replacement part for your GM vehicle’s original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

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$131.99

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

High Energy Hydraulic Flat Lifter Set for Buick 181-252 V6

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$102.99

High Energy Hydraulic Flat Lifter Set for Buick 181-252 V6

Top-Rated Engine Parts Brands For Your 1991 Buick LeSabre

Shop for the best-rated brands offering Engine Parts and other products for your 1991 Buick LeSabres. Below you’ll find some of our best rated Engine Parts from Felpro, Sealed Power, and Dorman, and more. Engine Parts from these brands that fit a 1991 LeSabre 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 Buick LeSabre Engine Parts

When it comes to maintaining or upgrading your 1991 Buick LeSabre, 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 Buick LeSabre. 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 $2.79, with an average price of just $17.76. Plus, with over 68 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 $27.99

(45)

Engine Valve Cover Gasket Set

“Fits and work great”

from $2.79

(3)

Multi-Purpose O-Ring

“just a perfect replacement for a great price”

from $22.49

(20)

Engine Valve Cover Grommet Set

“These parts fit well and it worked good”

Popular Sealed Power 1991 Buick LeSabre Engine Parts

Sealed Power auto parts is one of the highest quality Engine Part brands in the market. Any 1991 Buick LeSabre owner should feel confident when installing genuine Sealed Power parts in their vehicle. To ensure the best fit and performance for your 1991 LeSabre, Advance Auto Parts carries a full inventory of 3 Sealed Power Engine Parts. Plus you will be keeping your Buick in peak condition while saving money because prices on these Sealed Power Engine Parts range from $0.43 to $48.99, plus, with more than 33 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 $0.43

(2)

Engine Valve Spring Retainer Keeper

“You guys are always great”

from $48.99

(1)

Engine Connecting Rod Bearing Set

“Easy to install and perfect fit”

from $14.49

(30)

Engine Valve Lifter

“worked great”

FAQs for 1991 Buick LeSabre Engine Parts

Which Engine Parts are best-sellers for 1991 Buick LeSabres?

Out of 63 Engine Parts that fit 1991 Buick LeSabres, the following parts are the top sellers:

Engine Valve Lifter (5681081) – $14.49
Engine Valve Lifter (12486346) – $24.99
Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (18481430) – $11.99

What’s the price range for 1991 Buick LeSabre Engine Parts?

Engine Part prices for the 1991 Buick LeSabre start at $0.43 and go up to $248.99 for the most premium parts.

What’s the average price of a Engine Part for a 1991 Buick LeSabre?

The average price for Engine Parts for the 1991 Buick LeSabre is $43.94. 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 Buick LeSabre model years?

Yes, we currently carry Engine Parts for 45 model years of Buick LeSabres between 1959 and 2005. Engine Parts are bought most frequently for the following model years: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Engine Parts for my 1991 Buick LeSabre?

The cheapest 1991 Buick LeSabre Engine Parts we carry in stock are:

Engine Valve Spring Retainer Keeper (19694179) – $0.43
Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (3492249) – $1.29
Steel Cup Expansion Plug 1-1/2 In., Height 0.220 (22972463) – $2.29
Multi-Purpose O-Ring (19783544) – $2.79
Steel Cup Expansion Plug 1-9/16 In., Height 0.380 (Sold by each) (16140187) – $2.79

What are the top-rated Engine Parts that fit the 1991 Buick LeSabre?

Out of 810 reviews by customers, our 1991 Buick LeSabre Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 1991 Buick LeSabre and their top-rated products:

Valve Cover and Cylinder Heads
- Engine Valve Cover Grommet Set (19780586) – $22.49
- Valve Covers: with Gasket, Direct Replacement, Plastic (11577949) – $77.99
- Engine Valve Spring Retainer Keeper (19694179) – $0.43
Engine Gaskets and Seals
- Engine Valve Cover Grommet Set (19780586) – $22.49
- Valve Covers: with Gasket, Direct Replacement, Plastic (11577949) – $77.99
- Engine Valve Spring Retainer Keeper (19694179) – $0.43

What types of Engine Parts do you sell for my 1991 Buick LeSabre?

As of 3/1/26, these are some of the most in-demand types of Engine Parts for a 1991 Buick LeSabre:

Can I get help with 1991 Buick LeSabre Engine Part orders?

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

What is your return policy for Buick LeSabre Engine Parts?

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

1991 Buick LeSabre Engine Parts

Carquest Premium – Oil Filler Cap (Part No.10109)

Imperial – Engine Oil Cooler (Part No.241046)

Melling – Stock Replacement Oil Pump Screen (Part No.256S)

Felpro – Engine Oil Filler Cap Seal (Part No.73193)

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-291)

Dorman – Rubber Expansion Plug 1-7/8 In. – Size Range 1-7/8 In. – 2 In. (Part No.02606)

Cardone – Remanufactured Engine Control Computer (Part No.77-7301)

Sealed Power – Engine Valve Lifter (Part No.HT-2104)

Sealed Power – Engine Crankshaft Main Bearing Set (Part No.4663MA 30)

Cloyes Gear – Engine Timing Set (Part No.C-3083)

ACDelco – Engine Crankshaft Position Sensor (Part No.19326459)

National – Engine Crankshaft Seal (Part No.5092)

Anchor – Engine Mount: Right, 1 Piece (Part No.2801)

Carquest Premium – Engine Variable Valve Timing (VVT) Adjuster Magnet (Part No.CSA1531)

Carquest Premium – Multi-Use Connector (Part No.PTA1125)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50320 R)

Cloyes Gear – Engine Timing Chain (Part No.C359)

PowerBond – Street Performance Harmonic Balancer; 171.5mm Diameter (Part No.PB1056ST)

Felpro – Engine Valve Cover Grommet Set (Part No.ES 72833)

Dorman – Steel Cup Expansion Plug 2-1/4 In., Height 0.565 (sold by each) (Part No.555-052)

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S369)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 71190)

Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Sealed Power – Connecting Rod Bearing Set (Part No.8-7100CH 10)

Cloyes Gear – Engine Balance Shaft Sprocket (Part No.2551)

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

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

National – Multi-Purpose Seal (Part No.320691)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50080 R)

National – Multi-Purpose Seal (Part No.320691)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50320 R)

Victor Reinz – Engine Valve Cover Gasket Set (Part No.15-10614-01)

Anchor – Engine Mount: Front Right, 1 Piece (Part No.2552)

Felpro – Multi-Purpose O-Ring (Part No.35608)

Carquest Premium – Camshaft Sensor (Part No.CSC1326)

Carquest Premium – Multi-Use Connector (Part No.PTA1125)

Carquest Premium – Engine Variable Valve Timing (VVT) Adjuster Magnet (Part No.CSA1531)

National – Multi-Purpose Seal (Part No.710162)

Cloyes Gear – Engine Timing Set (Part No.C-3071)

Cloyes Gear – Engine Timing Chain (Part No.C375)

Cloyes Gear – Engine Balance Shaft Sprocket (Part No.2551)

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S716T)

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S729)

Felpro – Engine Valve Cover Grommet Set (Part No.ES 72833)

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

Dorman – Valve Covers: with Gasket, Direct Replacement, Plastic (Part No.264-967)

Edelbrock – Signature Series Valve Covers: Buick 3.8L & 4.1L V6 1977 & Later, Chrome Steel (Part No.4486)

Sealed Power – Engine Valve Lifter (Part No.HT-2148)

Sealed Power – Engine Valve Lifter (Part No.HT-2148A)

Felpro – Engine Oil Filler Cap Seal (Part No.73193)

ACDelco – Engine Hydraulic Valve Adjuster/Valve Lifter (Part No.HL124)

Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 9644 PT-2)

Competition Cams – High Energy Hydraulic Flat Lifter Set for Buick 181-252 V6 (Part No.869-12)