2003 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

TCI EZ-TCU Transmission Controller Main Harnesses 30261

TCI EZ-TCU Transmission Controller Main Harnesses 30261

Wiring Harness, EZ-TCU Transmission Controller Main Harness, Each

Part Number: TCI-30261

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Motive Gear Ring Gear Bolts 14066913

Ring Gear Bolt

Part Number: MGR-14066913

4.75 out of 5 stars ( 4 )

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ATP Automatic Transmission Filter Kits B-42

Transmission Filter, Gaskets Included, AMC, Dodge, Plymouth, Chrysler, Jeep, Eagle, Mitsubishi, Aston Martin, Kit

Part Number: ATP-B42

4.67 out of 5 stars ( 12 )

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Auburn Gear Grip-N-Loc 30 Spline Differential GM 8.6 Inch 546097

Differential, Auburn, Grip-N-Loc, Limited Slip, 30-Spline, Chevrolet, GMC, Pontiac, 8.6 in., Each

Part Number: AUB-546097

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

McLeod Clutch Discs 260173

Clutch Disc, Organic, 1 1/8 in.- 26-Spline, 12 in. Disc, Chevy, Oldsmobile, Pontiac, V8, Each

Part Number: MCL-260173

4.67 out of 5 stars ( 3 )

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Ford Performance Parts Torsen 31 Spline Differential Ford 8.8 Inch M-4204-T31

Differential, Torsen, 31-Spline, Ford, 8.8 in., Each

Part Number: FMS-M-4204-T31

5.0 out of 5 stars ( 4 )

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Timken Pinion Bearings M86649

Pinion Bearing, 1.187 in. Inside Diameter, Each

Part Number: TMK-M86649

5.0 out of 5 stars ( 3 )

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PRW Platinum Series Crank Adapter Sleeves 1800346

Crankshaft Adapter Sleeve, Aluminum, Chevy, Small Block LS, Each

Part Number: PQX-1800346

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South Bend Clutch Stage 2 Endurance Clutch Kits for 2002-2006 SIERRA 1500, SILVERADO 1500 - K04232-HD-TZ

Clutch Kit, Stage 2 Endurance, Single, 1.125 in. - 10-spline, Ceramic/Kevlar® Disc, Pressure Plate, Chevy, 4.8L, 5.3L, Kit

Part Number: SBB-K04232-HD-TZ

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Motive Gear Master Ring and Pinion Installation Kits R8.25RMK

Ring and Pinion Installation Kit, Master Kit, Chrysler, 8.25 in., Kit

Part Number: MGR-R8-25RMK

5.0 out of 5 stars ( 2 )

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ACDelco Driveshaft Center Support Bearings 19312073

Drive Shaft Center Support, Chevy, GMC, Each

Part Number: ADO-HB88508A

5.0 out of 5 stars ( 1 )

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Crown Automotive Transmission Filters 5179267AC

Automatic Transmission Filter Kit, Primary Filter, Cooler Filter, Pan Gasket, Chrysler, Dodge, Jeep, Ram, Kit

Part Number: CWA-5179267AC

5.0 out of 5 stars ( 2 )

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Motive Gear Master Ring and Pinion Installation Kits R8.2RIFSLMK

Ring and Pinion Installation Kit, Master Kit, GM, 8.25 in. IFS, Kit

Part Number: MGR-R82RIFSLMK

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McLeod Clutch Cable Firewall Adjusters for 1979-2004 MUSTANG - 1735

Clutch Cable Adjuster, Firewall Mount, Ford, Mustang, Each

Part Number: MCL-1735

4.63 out of 5 stars ( 8 )

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Moroso Flywheel Dust Covers 71162

Flywheel Dust Cover, Aluminum, Natural, Chevy, LS, Each

Part Number: MOR-71162

5.0 out of 5 stars ( 3 )

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Timken Clutch Pilot Bearings FC69907

Pilot Bearing, Needle/Roller, Steel, Dodge, Jeep, Mitsubishi, Each

Part Number: TMK-FC69907

3.88 out of 5 stars ( 8 )

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LuK Clutch Kits for 1999-2004 MUSTANG - 6283141770

Clutch Kit, 1.063 in. - 10-spline, Organic Disc, Pressure Plate, Ford, 4.6L, 5.4L, Kit

Part Number: LUK-07-195

5.0 out of 5 stars ( 2 )

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South Bend Clutch Stock Replacement Clutch Kits 1944-6K

Clutch Kit, Organic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Ford, Kit

Part Number: SBB-1944-6K

Not Yet Reviewed

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Eaton Detroit Truetrac 30 Spline Differential Toyota 8.0 (7.8) Inch 913A610

Differential, Eaton Detroit Truetrac, 30-Spline, Toyota, Each

Part Number: ETN-913A610

5.0 out of 5 stars ( 9 )

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ACDelco GM Genuine Parts Flywheel Bolts 12337973

Flywheel Fasteners, GM Genuine Parts Flywheel Bolts, 7/16 in. -20 Thread size, .975 in. Underhead Length, Chevy, GMC, Pontiac, Each

Part Number: ADO-12337973

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Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-221 GM 8.25 in. IFS/GM 8.625 in. 4.56 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-221

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Auburn Gear Select-A-Loc 35 Spline Differential Dana 70 545026

Differential, Auburn, Locker, Select-A-Loc, 35-Spline, Dana 70, 10-Bolt, Each

Part Number: AUB-545026

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LuK Clutch Master Cylinders for 1997-2004 CORVETTE - 5110450100

Clutch Master Cylinder, Plastic, Black, Chevy, Each

Part Number: LUK-LMC372

1.0 out of 5 stars ( 1 )

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Motive Gear Differential Bearing Kits R8.8RPK

Ring and Pinion Installation Kit, Ford 8.8, Kit

Part Number: MGR-R8-8RPK

5.0 out of 5 stars ( 1 )

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Centerforce DFX Clutch Kits 315522018

Clutch Kit, DFX, Performance, Single Disc, 21-Spline, 1.125 in Diameter, 9.250 in. Disc Diameter, 6-Paddle, Sprung Hub, Kit

Part Number: CTF-315522018

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today