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2003 Transmission & Drivetrain

Part Groups

Results 1 - 23 of 23

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ACDelco Transmission Fluid Dipstick Seals

ACDelco transmission fluid dipstick seals fit perfectly around the base to help prevent leaks. Designed to provide OE performance, the seals are offered in several styles for factory fitment on thousands of vehicles. Guard against unwanted leaks; replace dirty, aging, or damaged originals with a new transmission fluid dipstick seal from ACDelco.

4.2 out of 5 stars ( 5 )

$3.99

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ACDelco GM Genuine Parts Flywheel Bolts

ACDelco GM Genuine Parts flywheel bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Providing secure fastening of components, these bolts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Get the correct fit and function, along with a hassle-free install utilizing ACDelco GM Genuine Parts flywheel bolts.

Not Yet Reviewed

$4.99

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ACDelco Flywheel Housing Inspection Covers

ACDelco flywheel housing inspection covers are original equipment replacements for your GM vehicle. They are designed to meet or exceed factory specs, which means that the fit and function will be the same as the worn or damaged cover you are replacing. Order the model tailored for your vehicle application.

4.75 out of 5 stars ( 4 )

$9.99

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Sonnax Pinless Accumulator Piston Kits

Wear at the piston pin bore surface can result in poor shift quality and burnt clutches and bands. Sonnax pinless accumulator piston kits prevent pin bore leakage. They're also longer to stabilize the piston and prevent piston cocking. They feature dual seals to stabilize and completely seal the bore, and steel balls to plug the existing pin bore. Fluid loss through the piston pin bore will no longer be an issue when you invest in Sonnax piston kits.

5.0 out of 5 stars ( 17 )

$8.94

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ACDelco GM Genuine Parts Automatic Transmission Bearings and Races

ACDelco GM Genuine Parts automatic transmission bearings and races are meticulously manufactured to be an exact replacement for your vehicle. Genuine OE parts are recommended in order to deliver peace of mind that the fit, form, and function is of the highest standards. Get the factory-style components you need from the same source as General Motors with ACDelco. Order the bearings designed for your application.

5.0 out of 5 stars ( 2 )

$5.99

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ACDelco Automatic Transmission Shift Shaft Seals

ACDelco offers automatic transmission shift shaft seals for thousands of vehicles from the 1980s and up. These economical steel/rubber replacements are available in different styles for compatibility with over 80 transmission models. Ensure a quality fit and factory-style performance; order the seal recommended for your application.

Not Yet Reviewed

$6.99

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Sonnax Front Endplay Shims

Sonnax front endplay shims help solve the issue of too much front endplay. Whether it's due to various components wearing over time or the direct result of modifications—front endplay that has strayed from precise specifications can lead to costly repairs and/or replacements. Tighten things up to proper specifications with the set of Sonnax front endplay shims recommended for your transmission application.

Not Yet Reviewed

$7.39

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Clearance

ACDelco GM Genuine Parts Automatic Transmission Rebuild Components

ACDelco GM Genuine Parts includes all the automatic transmission rebuild components you need to return your tranny to optimum performance. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. From the smallest to the biggest pieces, you can trust reliable ACDelco parts to restore, repair, and renew your GM.

4.42 out of 5 stars ( 12 )

$7.99


$3.50

$10.99

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ACDelco GM Genuine Parts Wheel Bearings

ACDelco offers GM Genuine Parts wheel bearings for a variety of GM applications. These replacements allow the wheel to rotate with minimal friction—and contain tapered roller, straight roller, or ball-bearing elements, depending on the vehicle. Wheel bearings support the weight of the vehicle, and are lubricated with axle oil or wheel bearing grease. Machined from high-quality materials, these original equipment bearings are engineered to provide the same fit, performance, durability, and service life you expect from ACDelco GM Genuine Parts wheel bearings.

5.0 out of 5 stars ( 3 )

$4.99

$9.99

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Sonnax Accumulator Pistons

Noticing some forward slip and/or delayed engagement with your GM automatic transmission? Sonnax accumulator pistons are direct replacements for OE plastic pistons and restore sealing integrity at the pin bore. The aforementioned issues, as well as burnt clutches and bands can be caused by loss of fluid. Deterioration at older aluminum piston pin bores due to repeated reciprocation and/or cracks in plastic accumulator pistons may be the cause. Avoid a costly valve body replacement by ordering a Sonnax accumulator piston.

5.0 out of 5 stars ( 2 )

$7.91

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ACDelco Transmission Drain Plugs

ACDelco transmission drain plugs are GM original equipment parts designed to provide maintenance access to drain the transmission fluid. These GM-recommended replacements will provide the same performance, durability, and service life you expect from General Motors. Order the model designed for fitment on your vehicle application.

5.0 out of 5 stars ( 1 )

$8.99

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ACDelco GM Genuine Parts Multi-Purpose Threaded Plugs

ACDelco GM Genuine Parts multi-purpose threaded plugs are manufactured to be an exact replacement for your GM vehicle. GM original equipment parts give you peace of mind that the fit, form and function is of the highest standards. Get the same original equipment replacement parts from the same source as General Motors with ACDelco.

5.0 out of 5 stars ( 1 )

$10.99

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ACDelco GM Genuine Parts Transmission Vent Tubes

ACDelco GM Genuine Parts transmission vent hose and tubes relieve internal air pressure fluctuations caused by the heating and cooling of the transmission and help to keep out dirt. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These true OE parts will provide the same fit and performance as the originals they are replacing.

4.2 out of 5 stars ( 5 )

$6.99

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ACDelco Automatic Transmission Case Extension Seals

ACDelco automatic transmission case extension seals are manufactured to fit your GM vehicle, and to provide the same OE performance, durability, and service life. Located between the extension housing and the rotating slip-yoke, they will form a fluid-tight seal and maintain leak-free operation. These replacements are available in a variety of styles, delivering proper fit and performance in specific vehicles. Order the model recommended for your application.

5.0 out of 5 stars ( 1 )

$3.99

$7.99

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Sonnax Return Springs

Sonnax return springs are available in a variety of styles to assist in your automatic transmission rebuild. Replacement part types include high clutch return springs, pump slide springs, detent springs, reverse clutch return springs, and more. They're machined from quality materials for long-lasting performance, and can be ordered individually or in larger quantities. Select the springs required for your specific transmission application.

4.0 out of 5 stars ( 4 )

$7.98

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ACDelco GM Genuine Parts Automatic Transmission Electrical Connector O-Rings

ACDelco GM Genuine Parts automatic transmission electrical connector O-rings are factory-recommended replacement components. They will provide the same performance, durability, and service life you expect from General Motors. They are sold individually and as a passage sleeve seal kit. Order the O-rings designed for your transmission application.

5.0 out of 5 stars ( 1 )

$5.99

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ACDelco GM Genuine Parts Wheel Hub O-Rings

ACDelco GM Genuine Parts wheel hub O-rings are manufactured to be exact replacements for your vehicle. These GM Genuine Parts seals deliver peace of mind that the fit, form, and function are what you expect from General Motors. Order the wheel hub O-rings designed for your application.

5.0 out of 5 stars ( 2 )

$6.99

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ACDelco GM Genuine Parts Automatic Transmission Oil Pump Gaskets and Seals

ACDelco GM Genuine Parts automatic transmission oil pump gaskets and seals are manufactured to be an exact replacement for your vehicle. Genuine OE parts are recommended in order to deliver peace of mind that the fit, form, and function are of the highest standards. Get the factory-style components you need from ACDelco GM Genuine Parts. Order the gaskets and seals designed for your application.

5.0 out of 5 stars ( 2 )

$2.99

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ACDelco GM Genuine Parts Automatic Transmission Accumulator Piston Springs

ACDelco GM Genuine Parts automatic transmission accumulator piston springs are factory-recommended replacement components. They will provide the same performance, durability, and service life you expect from General Motors. Order the springs designed for your transmission application.

Not Yet Reviewed

$6.99

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ACDelco Helix Seal Retainers

ACDelco helix seal retainers are genuine GM-recommended replacement parts. These automatic transmission torque converter seal retainer rings secure your torque converter lip seal within the transmission fluid pump body. Their internal snap ring fits into a machined groove to retain the seal in the seal bore. These original equipment seal retainer rings are manufactured to fit your specific GM vehicle and will provide the same performance, durability, and service life as your factory original equipment.

Not Yet Reviewed

$3.99

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ACDelco GM Genuine Parts Transfer Case Replacement Parts

ACDelco GM Genuine Parts transfer case replacement parts are manufactured to be exact replacements for your vehicle. They include a complete range of components from bearings, bushings, snap rings, cases, housing extensions, switches, and vents. These replacement parts are manufactured using the latest technology to deliver the reliability and durability you expect from ACDelco. They are GM Genuine Parts replacements, meaning you can rest assured of premium quality, as well as peace of mind that the fit, form, and function meet their high standards and yours.

5.0 out of 5 stars ( 2 )

$6.99

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ACDelco GM Genuine Parts Manual Transmission Components

ACDelco GM Genuine Parts manual transmission components are GM-recommended parts to service your GM vehicle. Manufactured for many makes and models of GM cars, light-duty trucks, and SUVS, these high-quality parts deliver the proper fit, form, and function, along with the reliability and durability of GM OE. Stay with the parts brand your vehicle came with and get the quality you know and trust with ACDelco GM Genuine Parts.

5.0 out of 5 stars ( 2 )

$2.50

$7.99

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ACDelco GM Genuine Parts Transmission Bearings

ACDelco GM Genuine Parts transmission bearings are GM-recommended replacement components for automatic transmission/transaxle, manual drivetrain, and axles. These ACDelco GM Genuine Parts transmission bearings will provide the same fit, form, and function that you expect from genuine GM parts. Refer to Applications tab to confirm fitment.

Not Yet Reviewed

$9.99

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