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

aFe Pro Series 12 Bolt Ford 10.25/10.5 Inch Differential Cover 46-70022

Differential Cover, Rear, 12-bolt, Aluminum, Black Powdercoated, Ford, 10.25/10.5 in., 12-bolt Ring Gear, Each

Part Number: AFE-46-70022

4.4 out of 5 stars ( 5 )

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TransGo Automatic Transmission Accumulator Pistons 4L6-FWD

Accumulator Piston, Aluminum, Forward, GM, 4L60E, 4L65E, 4L70E, Each

Part Number: TRG-4L6-FWD

5.0 out of 5 stars ( 8 )

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ARB Air Locker 30 Spline Differential Dana 50 RD158

Differential Carrier, Air Locker, Nodular Iron, Front, Dana 50, Kit

Part Number: ARB-RD158

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

USA Standard Gear Spartan Limited Slip 27 Spline Differential Dana 30 SL D30-4-27-LSD

Differential Carrier, Spartan Helical Gear Limited Slip, Dana 30, Front, 27 Spline, 3.73 and Up Ratio, Each

Part Number: SPZ-10383

Not Yet Reviewed

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USA Standard Gear Ring and Pinion Sets ZG GM14T-373 GM 10.5 in. (14-bolt) 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Rear, Chevrolet, GMC, Set

Part Number: SPZ-36182

Not Yet Reviewed

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B&M Automatic Transmission Deep Pans 40291

Transmission Pan, Deep, Aluminum, Natural, Ford, AODE, 4R70W, AOD, Each

Part Number: BMM-40291

4.29 out of 5 stars ( 7 )

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Eaton Electronic ELocker Stator and Armature Service Kits 26982-00S

Differential Carrier Replacement Parts, Service Kit, Stator/Amature, Dana 44, 4 Pinion, Kit

Part Number: ETN-26982-00S

5.0 out of 5 stars ( 3 )

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Steeda Tri-Ax Shifter Handles for 1979-2004 MUSTANG - 555-7153

Steeda Tri-Ax Shifter Handles for 1979-2004 MUSTANG - 555-7153

Replacement Shifter Stick, Aluminum, Natural, Lay Back, Ford, Each

Part Number: SDA-555-7153

4.27 out of 5 stars ( 15 )

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Yukon Gear & Axle Pinion Shims SK 25300

Pinion Shims, Steel, Kit

Part Number: YGA-55009

5.0 out of 5 stars ( 5 )

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LuK Clutch Kits for 2001-2009 B4000, 2001-2003 EXPLORER SPORT TRAC, 2001-2011 RANGER - 6263017770

Clutch Kit, 1.000 in. - 23-spline, Organic Disc, Pressure Plate, Ford, Mazda, 4.0L, Kit

Part Number: LUK-07-167

5.0 out of 5 stars ( 1 )

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Motorcraft Automatic Transmission Filters YC3Z7A098BA

Automatic Transmission Filter, Each

Part Number: MOF-FT114

5.0 out of 5 stars ( 2 )

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Moog Super Strength U-Joints 234

Universal Joint, Super Strength, 1344 Style, Solid, Steel, Each

Part Number: MOG-234

4.42 out of 5 stars ( 12 )

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Timken Tapered Cone Bearings LM11949

Roller Bearing, 0.750 in. Bore, Diameter, 0.655 in. Width, , LM11949 Replacement, Each

Part Number: TMK-LM11949

5.0 out of 5 stars ( 1 )

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ACDelco GM Genuine Parts Automatic Transmission Shifter Cables 19434388

Automatic Transmission Shifter Cable, GM Genuine Part, Black Jacket, Ball Socket Ends, 135.710 in. Length, Chevrolet, GMC, Each

Part Number: ADO-19434388

5.0 out of 5 stars ( 2 )

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Spicer Drivetrain Products Flange Yokes 3-2-1839

Flange Yoke, Steel, Spicer 1410, 5.750 in. Flange Diameter, Each

Part Number: SDH-3-2-1839

4.67 out of 5 stars ( 9 )

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Yukon Gear & Axle Spider Gear Kits YPKGM8.6-S-30V2

Spider Gears, Internal Kit, Side Gears, Cross Pin and Bolt, GM 2000 and Newer, Rear, 8.6 in., 30- Spline, Kit

Part Number: YGA-16056

4.83 out of 5 stars ( 6 )

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Competition Clutch Lightweight Flywheels for 2002-2005 CIVIC, 2002-2006 RSX - 2-800-ST

Flywheel, Forged Steel, Lightweight, 11.500 lbs., for use on Acura®, for use on Honda®, Each

Part Number: CCX-2-800-ST

Not Yet Reviewed

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Motive Gear Performance Ring and Pinion Sets G885430 GM 8.5/8.6 in. 4.30 Gears

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885430

5.0 out of 5 stars ( 3 )

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LuK Clutch Kits for 1994-2004 MUSTANG - 6283164770

Clutch Kit, 1.062 in. - 10-spline, Organic Disc, Pressure Plate, Ford, 3.8L, 3.9L, Kit

Part Number: LUK-07-114

4.0 out of 5 stars ( 3 )

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RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel 75-2100S

Clutch Kit, Concept 9.5 Dual Disc, Organic Disc, 1 1/8 in.- 26 Spline Disc, Steel Flywheel, Cadillac, Chevrolet, Pontiac, Kit

Part Number: RAM-75-2100S

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

LuK Clutch Slave Cylinders 5100087770

Clutch Slave Cylinder, Push Type, Plastic, Black, Chevy, GMC, Each

Part Number: LUK-LSC326

5.0 out of 5 stars ( 1 )

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ACDelco GM Genuine Parts Automatic Transmission Oil Pump Rotors 24219539

Automatic Transmission Oil Pump Rotor Kit, 4L60, 4L65, 4L70, Kit

Part Number: ADO-24219539

Not Yet Reviewed

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Motive Gear Performance Ring and Pinion Sets G885456 GM 8.5/8.6 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

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Spicer Drivetrain Products Ring and Pinion Gear with Installation Kits 708125-5 Dana 60 4.10 Gears

Ring and Pinion Gears, 4.10:1 Ratio, 29-spline, Standard Rotation, Installation Kit, Dana 60, Kit

Part Number: SDH-708125-5

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Dorman Transmission Pans 265-813

Automatic Transmission Pans, Stock Style, Steel, Black, Drain Plug, Ford, Lincoln, Mercury, Each

Part Number: RNB-265-813

4.57 out of 5 stars ( 7 )

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