2003 Buick LeSabre Engine Parts

Essential Engine Parts for 2003 Buick LeSabres

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50259 R)

Engine Valve Cover Gasket Set

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

PermaTorque Engine Cylinder Head Gasket Set

from

$131.99
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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Dorman – Harmonic Balancer Assembly (Part No.594-034)

Harmonic Balancer Assembly

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$153.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction – stringent specifications and careful construction help ensure longevity
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Spartan – Engine Long Block; Chev 350 64-85 H.P. Mid-Drss (Part No.HP32M)

Engine Long Block; Chev 350 64-85 H.P. Mid-Drss

from

$4158.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S718T)

Engine Timing Camshaft Sprocket

from

$23.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Cloyes Gear – Engine Balance Shaft Gear (Part No.2551)

Engine Balance Shaft Gear

from

$33.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • 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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Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Stock Replacement Engine Assembly Lubricant

from

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

Engine Valve Cover Grommet Set

from

$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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Sealed Power – Engine Piston Ring Set (Part No.E-434K 30)

Engine Piston Ring Set

from

$118.99
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
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Felpro – Engine Oil Dipstick Tube O-Ring (Part No.73889)

Engine Oil Dipstick Tube O-Ring

from

$0.99
Engine Oil Dipstick Tube O-Ring

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

Engine Push Rod

from

$3.29
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • State-of-the-art manufacturing
  • Exceptional material quality
  • Exacting tolerances
  • Heat treated tips
  • Stock or mild modified replacement
  • Made in USA
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Cloyes Gear – Engine Timing Damper (Part No.9-5344)

Engine Timing Damper

from

$26.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. 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. Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience.

Product Features:
  • A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain
  • 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
  • Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
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Dorman – Engine Oil Pan: Direct Fit, Steel, Sump (Part No.264-104)

Engine Oil Pan: Direct Fit, Steel, Sump

from

$97.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2782)

Black Multi-Purpose Pigtail

from

$44.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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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Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-1555CPA 10)

Engine Connecting Rod Bearing Set

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$69.99
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
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Carquest Premium – Oil Filler Cap (Part No.10109)

Oil Filler Cap

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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Dorman – Rubber Expansion Plug 1-3/8 In. – Size Range 1-3/8 In. – 1-1/2 In. (sold by each) (Part No.570-008)

Rubber Expansion Plug 1-3/8 In. - Size Range 1-3/8 In. - 1-1/2 In. (sold by each)

from

$18.99
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
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Dorman – Help – Fuel Injector O-Ring Assortment (Part No.90101)

Fuel Injector O-Ring Assortment

from

$17.99
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:
  • Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles
  • Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Camshaft Sensor (Part No.CSC1326)

Camshaft Sensor

from

$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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Sealed Power – Engine Camshaft Bearing Set (Part No.1466M)

Engine Camshaft Bearing Set

from

$41.99
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 Babbitt lining material
  • Used in automotive and high-performance
  • Babbitt is designed to perform under extreme loads w/o damaging other engine parts
  • Babbitt is more environmentally friendly than other material
  • ISO & QS certified manufacturing
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Delphi – Engine Crankshaft Position Sensor (Part No.SS10208)

Engine Crankshaft Position Sensor

from

$41.49
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

Product Features:
  • The sensors provide accurate readings from the gap between sensor contact and element due to its design
  • Manufactured to meet or exceed OE requirements
  • Enhanced sensing functionality helps reduce emissions, improve reliability and drivability
  • Not impacted by temperature changes and provide robust, long-lasting sensor protection
  • Designed digital output for maximum signal to noise ratio
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Edelbrock – Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel (Part No.4649)

Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel

from

$76.99
The Edelbrock #4649 Signature Series Valve Covers are designed for Chevrolet 262-400 ’59-86 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:
  • Small Block Chevy 262-400 1959-86
  • Tall
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Sealed Power – Engine Valve Lifter (Part No.HT-2104B)

Engine Valve Lifter

from

$11.79
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:
  • 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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Sealed Power – Engine Piston Set (Part No.657P 30)

Engine Piston Set

from

$38.99
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:
  • Cast with FM132 Eutectic proprietary alloy
  • Performance & dependability of original equipment pistons
  • High quality aluminum
  • Utilizes ISO & QS certified manufacturing
  • Meets or exceeds OEM specifications
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Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30699 R)

Engine Oil Pan Gasket Set - PermaDry molded rubber

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:
  • 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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Delphi – Engine Variable Valve Timing (VVT) Adjuster Magnet (Part No.SS10687)

Engine Variable Valve Timing (VVT) Adjuster Magnet

from

$75.99
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

Product Features:
  • Manufactured to meet or exceed OE requirements
  • Part is validated, tested and matched to the right vehicle application
  • Designed digital output for maximum signal to noise ratio
  • Designed and built using high temperature and corrosion resistant materials that perform exceptionally under all engine environments
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Energy Suspension – Motor Mount (Part No.3.1116R)

Motor Mount

from

$40.99
A true performance application component for cars, trucks, hot rods and racing/competition vehicles – yet designed to be also used for street vehicles. Soft-running enough to absorb vibrations for street use yet rugged for racing use. When required- a torque resistant safety interlock design is used that is comparable in strength to those too hard-running metal mounts. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal motor mounts. The popular early style mounts for General Motors vehicles are available in either zinc or chrome metal finishes. Made of Hyper-Flex performance polyurethane. Resistant to under vehicle fluids such as: oils, coolants, road contaminants, etc.

Product Features:
  • Gains Both Performance and Longevity
  • Will Handle Any and All Torque
  • Out Lasts Rubber
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MAHLE Original – Engine Coolant Water Bypass Gasket (Part No.C31274)

Engine Coolant Water Bypass Gasket

from

$7.99
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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Upgrade your 2003 Buick LeSabre with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2003 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 90 Engine Parts for the 2003 Buick LeSabre, designed to meet your needs without breaking the bank. From Engine Mount replacements to Engine Timing Parts 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 2003 Buick LeSabre at great prices. Our Engine Parts inventory for this model ranges from just $0.65 to $2,514.99, with an average price of $86.96. Our 90 Engine Parts in stock come from 21 trusted brands, so you’re sure to find the right part for your 2003 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 2003 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 $22.49 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 $1.29, and at an average 4.3 stars rating. With 2,658 customer reviews and counting, our 2003 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 2003 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 2003 Buick LeSabre!

Best-Selling Engine Mounts for 2003 Buick LeSabres

Enhance the driving experience in your Buick with 1 quality Engine Mount components, starting at $68.99.

Anchor – Engine Mount: Right, 1 Piece (Part No.2896)

Engine Mount: Right, 1 Piece

from

$68.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to BUIC 00-05; CADI 98-05; OLDS 01-03; PONT 00-05;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 1998-2005
  • Weight approx: 4 Lbs
  • HYDRAULIC
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Most Popular 2003 Buick LeSabre Engine Timing Parts

Customize your Buick with 11 Engine Timing Parts products like Engine Timing Chain Kits, Timing Covers, and Timing Cam Gears, all priced under $411.99.

Cloyes Gear – Engine Timing Chain Kit (Part No.9-0381SA)

Engine Timing Chain Kit

from

$93.99
Meet or exceed OEM performance requirements, ensuring a quiet and maintenance-free experience. Utilizes the latest in design and technology to offer a complete chain kit solution. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance. CAD designed and manufactured using premium materials. Refer to our online catalog for detailed application-specific information. SET INCLUDES: 9-5344 Engine Timing Damper (1 EA), C381A Engine Timing Chain (1 EA), S810T Engine Timing Camshaft Sprocket (1 EA), S811 Engine Timing Crankshaft Sprocket (1 EA).

Product Features:
  • Timing Chain Kits includes all components for a quick and efficient replacement
  • Utilizes the latest in design and technology to offer a complete chain kit solution
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
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Dorman – Timing Cover Kit (Part No.635-516)

Timing Cover Kit

from

$411.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover.
  • Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life.
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Cloyes Gear – Engine Timing Chain (Part No.C381A)

Engine Timing Chain

from

$55.99
A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine’s valves to open and close during each cylinder’s firing. Available in kits or as a stand-alone product, our chains are pre-stressed and heat-treated for increased durability. Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • CAD designed and manufactured using premium materials
  • Refer to our online catalog for detailed application-specific information
  • Pre-Stressed And Heat-Treated For Increased Durability. Precision Cut Plates And Rollers With Smooth Finish. Precision Pitch Control For Proper Chain To Sprocket Tooth Fit.
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Cloyes Gear – Engine Timing Damper (Part No.9-5344)

Engine Timing Damper

from

$26.99
Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing. 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. Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience.

Product Features:
  • A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain
  • 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
  • Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
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Carquest Premium – Chain Tensioner Damper (Part No.7344)

Chain Tensioner Damper

from

$17.49
Advance Auto Parts is proud to carry this part with the best fitment and performance requirements for this application, from the highest quality timing component vendor.

Product Features:
  • The part is precision machined with high grade material for greater durability
  • Maintains excellent chain or belt tension
  • Meets or exceeds O.E.M. performance
  • Part is quality inspected and tested
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INA US – ENGINE TIMING SET (Part No.ZC-9-0381SA)

ENGINE TIMING SET

from

$141.99
ENGINE TIMING SET

Dayco – TIMING CHAIN KIT (Part No.KTC1105)

TIMING CHAIN KIT

from

$86.99
With the backing of an industry-leading two year or 60,000 mile parts and labor warranty, each Dayco timing chain kit includes top-grade timing chains, precision machined crank sprockets and cam sprockets, tensioners, high-grade plastic guides, seals and VVT solenoids and cam phasers if the application calls for it.

Product Features:
  • High quality chains prevent stretch for the life of the kit, addressing the no. 1 replacement issue
  • Precision machined sprockets for exact timing
  • High-grade plastic guides use same material as OE for excellent wear resistance
  • Contains: Camshaft Sprocket, Crankshaft Sprocket, Timing Chain, Chain Tensioner
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Cloyes Gear – Engine Balance Shaft Sprocket (Part No.2558)

Engine Balance Shaft Sprocket

from

$52.99
Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs. 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.

Product Features:
  • 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
  • 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 Camshaft Sprocket (Part No.S810T)

Engine Timing Camshaft Sprocket

from

$34.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Cloyes Gear – Engine Balance Shaft Gear (Part No.2551)

Engine Balance Shaft Gear

from

$33.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • 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 Crankshaft Sprocket (Part No.S811)

Engine Timing Crankshaft Sprocket

from

$28.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Top Picks for 2003 Buick LeSabre Engine Gaskets and Seals

Upgrade Buick LeSabres with top-quality Engine Gaskets and Seals parts, including 8 OEM and aftermarket selections for your 2003 model.

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

Engine Valve Cover Gasket Set

from

$27.99
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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Felpro – TIMING COVER GASKET SET (Part No.TCS 45971)

TIMING COVER GASKET SET

from

$22.99
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:
  • Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

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

Multi-Purpose Seal

from

$20.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: spring loaded; multi-lip
  • Temperature range: -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
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.36021)

Engine Coolant Thermostat Housing Gasket

from

$6.99
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
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50320 R)

Engine Valve Cover Gasket Set

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

Engine Oil Filler Cap Seal

from

$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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Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30699 R)

Engine Oil Pan Gasket Set - PermaDry molded rubber

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:
  • 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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MAHLE Original – Engine Coolant Water Bypass Gasket (Part No.C31274)

Engine Coolant Water Bypass Gasket

from

$7.99
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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In-Demand Camshafts for 2003 Buick LeSabres

Select from 9 premium Camshafts parts for your 2003 Buick LeSabre, with prices ranging from $26.49 to $162.99.

Dorman – Cam, Crank and Ignition Harness (Part No.645-688)

Cam, Crank and Ignition Harness

from

$162.99
This engine camshaft position sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine camshaft position sensor connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector 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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Carquest Premium – Camshaft Position Sensor (Part No.CSC1131)

Camshaft Position Sensor

from

$51.99
Carquest Premium camshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our camshaft position sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium camshaft position sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application
  • O-rings and seals are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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GM Genuine Parts – Black Multi-Purpose Pigtail (Part No.PT2782)

Black Multi-Purpose Pigtail

from

$44.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • 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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Carquest – Engine Camshaft Position Sensor (Part No.35A1033)

Engine Camshaft Position Sensor

from

$47.99
Carquest crankshaft position sensors are designed to meet original equipment (O.E.) fit, form and function and are built to ensure reliable performance at a great price. Each sensor is 100% tested to ensure proper performance and a trouble-free installation. Carquest crankshaft position sensors are a cost-effective solution for your engine management repair. Carquest crankshaft position sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Long service life and durable performance
  • 100% tested for proper performance
  • O-rings and seals are included if required
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Sealed Power – Engine Camshaft Bearing Set (Part No.1889M)

Engine Camshaft Bearing Set

from

$26.49
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 Babbitt lining material
  • Used in automotive and high-performance
  • Babbitt is designed to perform under extreme loads w/o damaging other engine parts
  • Babbitt is more environmentally friendly than other material
  • ISO & QS certified manufacturing
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Carquest Premium – Multi-Use Connector (Part No.PTA1129)

Multi-Use Connector

from

$55.99
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.
  • WVE 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.
  • 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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Delphi – Engine Variable Valve Timing (VVT) Adjuster Magnet (Part No.SS10687)

Engine Variable Valve Timing (VVT) Adjuster Magnet

from

$75.99
Delphi’s history is one of OE heritage and quality. Our global technical requirements include design specifications and validation testing based on over 100 years of OE experience. Our material selections, material thickness, and material types are built from OE specifications to exceed aftermarket expectations. We put in place strict manufacturing processes to ensure quality control in every part we make. Delphi’s pioneering spirit delivers innovative solutions designed to support the aftermarket in servicing the vehicles of today, and tomorrow.

Product Features:
  • Manufactured to meet or exceed OE requirements
  • Part is validated, tested and matched to the right vehicle application
  • Designed digital output for maximum signal to noise ratio
  • Designed and built using high temperature and corrosion resistant materials that perform exceptionally under all engine environments
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NTK – Engine Camshaft Position Sensor (Part No.EC0054)

Engine Camshaft Position Sensor

from

$65.99
The Camshaft Position Sensor plays a vital role in your engine’s operation, to determine the exact position and speed of the camshaft(s) to the ECM. The ECM uses this information to determine fuel and spark timing as well as VVT operation. A failed sensor can result in a check engine light, hard starting or failure to start, increased vehicle emissions and engine misfire. Camshaft Position Sensors are a premium quality product with outstanding support and leading innovation bred from our OE heritage.

Product Features:
  • THE DIFFERENCE: Enhanced, robust circuit board traces and precision-wound coated-copper windings increase durability, longevity and performance
  • OE QUALITY: Designed to meet or exceed OE specifications, fit, form and function to ensure proper position and/or rotating speed of the camshaft
  • EXTENSIVE TESTING: 100 percent thermal shock and vibration tested for best in class performance and reliability in the most extreme conditions
  • PRODUCT ENGINEERING: Premium seals prevent leaks or corrosion, while optimized magnet size and strength ensures precise, consistent signal output
  • INSTALLATION AND SUPPORT: Includes OE style brackets, hold downs, hardware, spacers and weathertight connectors
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Carquest Premium – Engine Variable Valve Timing (VVT) Adjuster Magnet (Part No.CSA1757)

Engine Variable Valve Timing (VVT) Adjuster Magnet

from

$65.99
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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Most Sold 2003 Buick LeSabre Valve Cover and Cylinder Heads

Explore our best-selling Buick parts for the 2003 LeSabre among 15 OEM and aftermarket options starting from $0.65.

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

Engine Valve Cover Grommet Set

from

$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
See More

Felpro – CYLINDER HEAD BOLT SET (Part No.ES 74033)

CYLINDER HEAD BOLT SET

from

$34.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 9917 PT-3)

PermaTorque Engine Cylinder Head Gasket Set

from

$149.99
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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Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.9918 PT)

PermaTorque Engine Cylinder Head Gasket

from

$32.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
See More

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

Valve Covers: with Gasket, Direct Replacement, Plastic

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
See More

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

Engine Valve Lifter

from

$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
See More

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.9917 PT)

PermaTorque Engine Cylinder Head Gasket

from

$32.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • PermaTorque head gaskets meets or exceeds all original equipment specifications
  • Requires no retorquing of the head bolts
  • Unsurpassed quality you can trust
  • Unsurpassed quality you can trust
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Sealed Power – Engine Valve Lifter (Part No.HT-2148A)

Engine Valve Lifter

from

$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
See More

Sealed Power – Engine Push Rod (Part No.RP-3340)

Engine Push Rod

from

$2.99
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.
See More

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

Engine Valve Spring Retainer Keeper

from

$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.
See More

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

Engine Hydraulic Valve Adjuster/Valve Lifter

from

$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
See More

Sealed Power – Engine Valve Spring (Part No.VS-1628)

Engine Valve Spring

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

Dorman – Valve Covers: with Gasket, Direct Replacement, Plastic (Part No.264-966)

Valve Covers: with Gasket, Direct Replacement, Plastic

from

$72.99
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
See More

Spartan – Engine Cylinder Head; Buick 231 95-09 Cyl Head (Part No.2B55)

Engine Cylinder Head; Buick 231 95-09 Cyl Head

from

$314.99
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

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

Engine Valve Lifter

from

$13.99
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
See More

Top-Rated Engine Parts Brands For Your 2003 Buick LeSabre

Shop for the best-rated brands offering Engine Parts and other products for your 2003 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 2003 LeSabre start at just $1.29 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 2003 Buick LeSabre Engine Parts

When it comes to maintaining or upgrading your 2003 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 2003 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 $22.49, with an average price of just $28.49. Plus, with over 67 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.
Engine Valve Cover Grommet Set
from $22.49
(20)
Engine Valve Cover Grommet Set
“These parts fit well and it worked good”
CYLINDER HEAD BOLT SET
from $34.99
(2)
CYLINDER HEAD BOLT SET
“These bolts were used to replace those that were removed during a head replacement on my 99 Buick Regal.”
Engine Valve Cover Gasket Set
from $27.99
(45)
Engine Valve Cover Gasket Set
“Fits and work great”

Popular Sealed Power 2003 Buick LeSabre Engine Parts

Sealed Power auto parts is one of the highest quality Engine Part brands in the market. Any 2003 Buick LeSabre owner should feel confident when installing genuine Sealed Power parts in their vehicle. To ensure the best fit and performance for your 2003 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 $48.99 to $193.99, plus, with more than 3 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 Piston Ring Set
from $193.99
(1)
Engine Piston Ring Set
“Rebuilt a 3.8l Camaro engine – rings were very easy to install.”
Engine Crankshaft Main Bearing Set
from $89.99
(1)
Engine Crankshaft Main Bearing Set
“The bearing fit perfectly”
Engine Connecting Rod Bearing Set
from $48.99
(1)
Engine Connecting Rod Bearing Set
“Easy to install and perfect fit”

FAQs for 2003 Buick LeSabre Engine Parts

Which Engine Parts are best-sellers for 2003 Buick LeSabres?

Out of 90 Engine Parts that fit 2003 Buick LeSabres, the following parts are the top sellers:

What’s the price range for 2003 Buick LeSabre Engine Parts?

Engine Part prices for the 2003 Buick LeSabre start at $0.65 and go up to $2,514.99 for the most premium parts.

What’s the average price of a Engine Part for a 2003 Buick LeSabre?

The average price for Engine Parts for the 2003 Buick LeSabre is $86.96. 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, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

What are the cheapest Engine Parts for my 2003 Buick LeSabre?

The cheapest 2003 Buick LeSabre Engine Parts we carry in stock are:

What are the top-rated Engine Parts that fit the 2003 Buick LeSabre?

Out of 2,658 reviews by customers, our 2003 Buick LeSabre Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 2003 Buick LeSabre and their top-rated products:

What types of Engine Parts do you sell for my 2003 Buick LeSabre?

As of 11/2/25, these are some of the most in-demand types of Engine Parts for a 2003 Buick LeSabre:

Can I get help with 2003 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.