2003 Buick Regal Engine Parts

Essential 2003 Buick Regal Engine Parts

Mr. Gasket – Billet Style Aluminum Crankshaft Pulley (Part No.5317)

Billet Style Aluminum Crankshaft Pulley

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$103.99
The machined aluminum pulley has been heat treated for strength and has a satin finish.

Product Features:
  • Made from aluminum
  • Heat treated for strength
  • Satin finish for a more subtle hi-tech look than chrome
  • Matches water pump pulley #5315
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Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 64 Links, Timing Components, With Sprockets (Part No.9-0385SC)

Primary Timing Chain Kit: Exact Fit, 64 Links, Timing Components, With Sprockets

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$52.99
Designed for the replacement of worn or damaged timing chains, tensioners, and guides, Timing Chain Kits includes all components for a quick and efficient replacement. Each part is CAD designed and manufactured using premium materials. 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.

Product Features:
  • 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
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Energy Suspension – Motor and Transmission Mount (Part No.3.1130R)

Motor and Transmission Mount

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$106.99
Product Features:
  • Re-Engineered to Handle High Horsepower
  • Outlasts Rubber
  • Virtually Indestructible
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Dorman – Valve Covers: With Gasket, Direct Replacement, Plastic, Driver Side (Part No.264-964)

Valve Covers: With Gasket, Direct Replacement, Plastic, Driver Side

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$99.99
This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:
  • Direct replacement – this valve cover matches the original equipment part for fit and function
  • Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service
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Carquest Premium – Oil Filler Cap (Part No.10109)

Oil Filler Cap

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$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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GM Genuine Parts – Engine Cooling Fan Motor (Part No.15-8498)

Engine Cooling Fan Motor

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$115.99
GM Genuine Parts Engine Cooling Fan Motor Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These engine cooling fan motor kits supply power to the engine cooling fan so that it can move air across the radiator and A/C condenser, helping to cool the system. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Necessary components for sending power to the engine cooling fan
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • Original equipment parts are designed to work with your GM vehicle safety systems — aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
  • GM regularly updates production and service part designs to integrate new materials and technologies
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PowerBond – Premium OEM Replacement Harmonic Balancer; 182.1mm Diameter (Part No.PB1461N)

Premium OEM Replacement Harmonic Balancer; 182.1mm Diameter

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$97.99
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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Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K224)

Stock Replacement Type Oil Pump Repair Kit

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$73.99
Melling oil pump repair kits are provided to supply the parts needed to rebuild a specific individual oil pump. Melling kits include all the required parts needed for a quality oil pump rebuild. Although Melling recommends the installation of a new oil pump, Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover.

Product Features:
  • Includes components needed to rebuild a worn oil pump providing an alternative to purchasing a new oil pump
  • Components are manufactured from high quality materials for durable wear
  • Components are precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
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Dorman – Engine Mount Bracket (Part No.917-000)

Engine Mount Bracket

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$79.99
This engine mount bracket is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.

Product Features:
  • Direct replacement – fits and performs like the original equipment on specific vehicles
  • Reliable fit – precision-engineered to match the design and dimensions of original components
  • Durable construction – manufactured to strict standards using sturdy, safe materials
  • Rigorously tested – thorough quality control measures ensure longevity
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Felpro – TIMING COVER GASKET SET (Part No.72670)

TIMING COVER GASKET SET

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$3.79
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:
  • Each gasket set is built to meet or exceed all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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ACDelco – Oil Filler Cap Gaske (Part No.A6150209855ACD)

Oil Filler Cap Gaske

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$5.22
Oil Filler Cap Gaske

Mr. Gasket – Quick-Change Cam Cover Kit (Part No.1099)

Quick-Change Cam Cover Kit

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$98.99
Mr. Gasket own quick-change cam kit eliminates the need for dropping the oil pan during the replacement of the timing chain or timing gears. This kit is highly recommended for advancing or retarding the camshaft. Quick and easy installation is possible. The kit includes a complete set of gaskets, retainer and timing cover.

Product Features:
  • Chrome Plated Steel
  • Eliminatesneedto drop oil pan duringreplacement of cam, timingchain or gears
  • Fits Chevy Small Block 1955-87 (except Corvette)
  • Quick And Easy Installation
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Sealed Power – Premium Piston Ring Set (Part No.R-9903 60)

Premium Piston Ring Set

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$192.99
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:
  • Application-specific design for perfect fit and correct operation
  • Face of top rings coated with latest-generation plasma-moly
  • Plasma-moly ring face decreases friction and resists scuffing
  • Delivers dependable performance and superior service life
  • Recommended for all racing applications (where file fitting the ring end gap delivers maximum power)
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Crankshaft Rebuilders – Remanufactured Crankshaft Kit (Part No.10740)

Remanufactured Crankshaft Kit

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$218.99
Remanufactured precision machined OE crankshafts.

Product Features:
  • Includes matching rod and main bearings.
  • Journals Micropolished.
  • All units subject to complete quality inspection.
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Felpro – Cylinder Head Gasket Set (Part No.HS 8653 PT-2)

Cylinder Head Gasket Set

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$73.99
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:
  • 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 – Engine Valve Cover Gasket Set (Part No.VS 50156 T)

Engine Valve Cover Gasket Set

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

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • STRONG AND DURABLE — Features molded rubber over a rigid carrier which resists high heat
  • SUPERIOR SEAL — Proprietary rubber sealing beads help eliminate potential leak paths for a superior seal
  • EASIER TO INSTALL — Locating tabs assure proper alignment and easier installation
  • PREVENTS OVERTIGHTENING — Torque limiters help eliminate overtightening and gasket splitting and extruding
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Melling – Stock Replacement Oil Pump Screen (Part No.22-FS)

Stock Replacement Oil Pump Screen

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$36.49
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 ware, 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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Sealed Power – Engine Connecting Rod Bearing (Part No.3320CP 10)

Engine Connecting Rod Bearing

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$10.99
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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MAHLE Original – Water By-Pass Conn. Gasket (Part No.C31274)

Water By-Pass Conn. Gasket

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$7.49
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S811)

Engine Timing Crankshaft Sprocket

from

$22.99
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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Delphi – Engine Crankshaft Position Sensor (Part No.SS10208)

Engine Crankshaft Position Sensor

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$41.49
Designed digital output for maximum signal to noise ratio. Not impacted by temperature changes and provide robust, long-lasting sensor protection. Manufactured to meet or exceed OE requirements.

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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Dorman – Freeze Plug (Part No.A1030831249DOR)

Freeze Plug

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$12.32
Dorman’s Engine Expansion Plugs are available in multiple styles, including Cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper. Dorman’s uniquely designed Pilot Seal Expansion Plug ensures a leak-proof fit. Dorman also offer Engine Expansion Plug Kits.

Product Features:
  • Many sizes available
  • Conveniently available in packs of different quantities
  • Constructed from high quality steel, copper, brass, or rubber
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
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DEA – Engine Torque Rod (Part No.A7030321138DEA)

Engine Torque Rod

from

$16.54
Marmon Ride Control (formerly DEA Products) has been a trusted manufacturer of motor mounts in the aftermarket industry for over 30 years. Marmon Ride Control uses the highest quality of raw materials available, and thoroughly tests their products with state-of-the-art lab equipment to ensure that you’ll be installing a mount that will meet or exceed your original mount’s specifications.

Product Features:
  • USA Development and OEM laboratory – 14 OEM Engineers
  • Design Solutions and Installation Enhancements to Failing OEM designs
  • Complete Factory Testing and Vehicle Verification Resources
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Dorman – Supercharger Drive Coupling (Part No.917-022)

Supercharger Drive Coupling

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$23.29
Some original equipment supercharger drive couplings fail prematurely, and dealerships make you buy an entire new supercharger nose cone assembly. This Dorman OE FIX solution is an upgraded replacement that save money and improves durability.

Product Features:
  • Supercharger Drive Coupling
  • Supercharger Drive Coupling
  • Some original equipment supercharger drive couplings fail prematurely, and dealerships make you buy an entire new supercharger nose cone assembly. This Dorman OE FIX solution is an upgraded replacement that save money and improves durability.
  • Upgraded replacement – this supercharger drive coupling features a robust design that resists distortion from wear and tear
  • Cost-effective solution – smart alternative to buying entire new supercharger nose cone assembly at dealership
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Felpro – O-RING (Part No.73193)

O-RING

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$4.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • 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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Spectre – Dipstick; Oil Pan (Part No.4255)

Dipstick; Oil Pan

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$12.99
Spectre’s Chevrolet dipstick is designed to fit 1955 – 1979 265 – 400 short block engines. The housing and handle are triple chrome-plated steel, and the dipstick features a gold iridite finish for clear accurate oil level readings. This dipstick is made to meet OEM specifications for form, fit and function and feature an adjustable bracket for easy installation.

Product Features:
  • Fits 1955 – 1979 Chevy short block engine
  • Designed to meet OEM specifications
  • Gold iridite dipstick
  • Chrome plated housing and handle
  • Dipstick is easy to read for accurate oil level readings
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Mr. Gasket – Advance And Retard Cam Bushings (Part No.85)

Advance And Retard Cam Bushings

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$42.49
With Mr. Gasket cam degree bushings you fine tune the camshaft timing of your engine to as little as 1 degree. Even aftermarket timing sets with multiple keyways can’t give the range of adjustment these bushings allow. Retard your camshaft to lower the powerband for more low end torque and midrange horsepower, or advance for more top end power. This kit does even number adjustment 0-8 degrees.

Product Features:
  • Advance the cam for increased torque and horsepower
  • Tune your powerband for more end torque or increase top end horsepower
  • Includes (4) offset bushings and (1) 0 degree bushing
  • Cam sprocket dowel pin hole must be drilled to .406¿ (13/32¿) dia.
  • Cam sprocket dowel pin hole must be drilled to .406┐ (13/32┐) dia.
  • Increase Top-End Horsepower
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Felpro – Engine Crankshaft Seal Kit (Part No.BS 40625)

Engine Crankshaft Seal Kit

from

$31.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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2003 Buick Regal Engine Parts

You count on your 2003 Buick Regal to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 131 Engine Parts ranging in price from $0.65 to $469.82, you’re sure to find everything you need for your 2003 Buick Regal.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 24 different brands like Sealed Power, Felpro, and Carquest Premium. 2003 Buick Regal Engine Parts start as low as $0.65!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 430 extensive product reviews on 2003 Buick Regal Engine Parts. Some of the top-rated Engine Parts products we carry are Engine Mount: Right, 1 Piece with 4.0 stars and Fuel Injector O-Ring Kit with 4.9 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 2003 Buick Regal below to get started!

Top-Rated Engine Parts Brands For Your 2003 Buick Regal

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Buick Regal running right for years to come. In our inventory you’ll find brands like Sealed Power, Felpro, Carquest Premium, and even more.

Popular Crankshaft Rebuilders Engine Parts

You’ll find popular Crankshaft Rebuilders brand products across Engine Kits. All are waiting to get your 2003 Buick Regal back on the road. Some of the top-rated Crankshaft Rebuilders products in these categories are:
Remanufactured Crankshaft Kit
from $231.99
(1)
Remanufactured Crankshaft Kit
Engine Crankshaft Kits

FAQs for 2003 Buick Regal Engine Parts

What are the most purchased Engine Parts for the 2003 Buick Regal?

Out of 131 Engine Parts for the 2003 Buick Regal, the most popular in our inventory are:
Engine Valve Lifter
from $12.99
(30)
Engine Valve Lifter
Engine Valve Lifters
Engine Valve Lifter
from $24.79
This product is not rated
Engine Valve Lifter
Engine Valve Lifters

What are the top-rated 2003 Buick Regal Engine Parts?

Top-rated Engine Parts for your 2003 Buick Regal based on customer reviews/ratings are:
Engine Mount: Right, 1 Piece
from $41.99
(22)
Engine Mount: Right, 1 Piece
“Worked fine. Took care of vibration.”
Fuel Injector O-Ring Kit
from $8.99
(14)
Fuel Injector O-Ring Kit
“I rebuilt my engine using a off-brand gasket kit. The O-rings that came with the kit did not fit right. I bought these from Advance. They were Felp”
Engine Oil Dipstick: Direct Replacement, Stainless Steel
from $14.49
(14)
Engine Oil Dipstick: Direct Replacement, Stainless Steel
“Just what i needed”