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2003 Transmissions

Individual Parts

Results 1 - 25 of 2000 +

Automatic Transmission, GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, Chevy, 4L60E, RWD, Aluminum Pan, LS, Each

Part Number: SUM-700463

4.29 out of 5 stars ( 7 )

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Clutch Kit, Street Twin, Ceramic, 1 1/8 in- 26, Billet Steel Flywheel, Diaphram, Pilot Bushing, Chevy, LS, Kit

Part Number: MCL-6405507M

4.83 out of 5 stars ( 6 )

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Clutch Kit, RST Street Twin, Organic, 1.125 in. - 26, Billet Steel Flywheel, Chevy, Pontiac, Small Block LS, Kit

Part Number: MCL-6405507

5.0 out of 5 stars ( 8 )

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Automatic Transmission, GM Bellhousing, Automatic Valve Body, Standard Shift Pattern, Chevy, 4L60E, 4WD, Aluminum Pan, LS, Each

Part Number: SUM-700464

3.71 out of 5 stars ( 7 )

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Automatic Transmission, GM Bellhousing, Automatic Valve Body, Forward Shift Pattern, Chevy, 4L60E, 4WD, Each

Part Number: SUM-700462

3.5 out of 5 stars ( 12 )

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Automatic Transmission, Street and Strip, Automatic Valve Body, Forward Shift Pattern, Chevy, GMC, 4L80E, RWD

Part Number: BMM-118002

3.29 out of 5 stars ( 7 )

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Torque Converter, Tork Master, 1,900-2,000 rpm Stall Range, Chevy, 4L60, 4L60E,700R4, Each

Part Number: BMM-70420

4.56 out of 5 stars ( 16 )

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Automatic Transmission, 4L80E, Level 3, 2,800 Stall Converter, Automatic Valve Body, Standard Shift Pattern, GM, Late Case, Chevy, Each

Part Number: FTI-FTK4L8-3L1

Not Yet Reviewed

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Flywheel, 168-Tooth, Internal Engine Balance, BandB/Diaphragm, 1-Piece Rear Main, 14.096 in. Diameter, for 11 in./12 in. Disc, Steel, Chevy, LS, Each

Part Number: MCL-460530

4.38 out of 5 stars ( 13 )

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Shift Kit, Automatic Type, GM, 4L80E, 4L85E, Forward/Standard Shift Pattern, Each

Part Number: TRG-4L80E-HD2

4.63 out of 5 stars ( 56 )

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Flexplate, 168-tooth, Steel, Internal Engine Balance, SFI 29.1, TH400/4L80E, Chevy LS, Each

Part Number: TCI-399754

4.9 out of 5 stars ( 29 )

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Torque Converter, Tork Master, 2,300-2,500 rpm Stall Range, Chevy, 4L60/4L60E/700R4, Each

Part Number: BMM-70418

4.86 out of 5 stars ( 22 )

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Automatic Transmission Rebuild Kit, Gaskets, Seals, Band, Clutches, Filter, Chevy, 4L80E, 35-spline Input, Kit

Part Number: SUM-705064

5.0 out of 5 stars ( 4 )

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Bellhousing, Automatic, Aluminum, GM, Small block/Big Block, TH350/TH400, Each

Part Number: JPT-92451

4.61 out of 5 stars ( 38 )

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

Part Number: SBB-1947-OK-HD

4.72 out of 5 stars ( 18 )

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Flexplate Dust Cover, Aluminum, Natural, Chevy, 4L80E/4L85E, LS, Each

Part Number: NAL-19259119

4.65 out of 5 stars ( 34 )

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Transmission Dipstick, Braided Stainless Steel, Black, Firewall Mount, Chevy, 4L80E, Each

Part Number: LOK-XTD-34L80FM

4.5 out of 5 stars ( 8 )

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Clutch Kit, RST, 1 1/8 in. x 26-Spline, 9.687 in. Diameter Disc, Chevrolet, Ford, Kit

Part Number: MCL-6913-07

4.38 out of 5 stars ( 8 )

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Clutch and Flywheel Kit, SST, 1 1/8 in. Diameter Shaft, 26-Spline, 10.4 in. Diameter Disc, Chevy, Kit

Part Number: CTF-412614842

3.5 out of 5 stars ( 2 )

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Torque Converter, Night Stalker, 12 in. Diameter, Lockup, 2,800-3,200 Stall, GM, 700R4 , Each

Part Number: APE-48443

4.25 out of 5 stars ( 4 )

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Clutch Kit, RST Street Twin, 1 1/8 in. x 26-Spline, 9.687 in. Diameter, LS1/LS6/Mustang 11 in. Pressure Plate Pattern w/Dowels, Chevy, Ford, Kit

Part Number: MCL-6912-07

4.0 out of 5 stars ( 10 )

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Automatic Transmission Rebuild Kit, GM, 4L60E, 30-Spline, Kit

Part Number: SUM-705005

5.0 out of 5 stars ( 7 )

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GearStar GM 4L65E Level 3 Transmissions GS4L65EL3

$250.00 Mail-In Rebate

Price after Manufacturer Rebate: $4,695.00

Rebate Expires: 12/31/2025

Get $250 back after rebate on this Gearstar Transmission! Go to https://www.summitracing.com/go/ges to redeem offer.

Get $250 back after rebate on a Gearstar Performance Level 3, Level 4, or Level 5 Transmission. Go to https://www.summitracing.com/go/ges to redeem offer. Valid on purchases made between 12/1/25 and 12/31/25. Rebate submission must be postmarked within 30 days of purchase. Allow 2-4 weeks for processing. Rebate for end consumer only.

Automatic Transmission, Up to 500 hp/500 ft. lbs, Rated Max, Level 3, 4L65E, RWD, 2,600 - 3,200 Stall, LS Bellhousing, Chevrolet, Kit

Part Number: GES-GS4L65EL3

Not Yet Reviewed

Estimated Ship Date: Today

  • $250.00 Mail-In Rebate

    Price after Manufacturer Rebate: $4,695.00

    Rebate Expires: 12/31/2025

    Get $250 back after rebate on this Gearstar Transmission! Go to https://www.summitracing.com/go/ges to redeem offer.

    Get $250 back after rebate on a Gearstar Performance Level 3, Level 4, or Level 5 Transmission. Go to https://www.summitracing.com/go/ges to redeem offer. Valid on purchases made between 12/1/25 and 12/31/25. Rebate submission must be postmarked within 30 days of purchase. Allow 2-4 weeks for processing. Rebate for end consumer only.

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Flexplate, 168-Tooth, Internal Engine Balance, SFI 29.1, Chevy, GM LS Gen III/IV, Each

Part Number: SUM-G105SFI

3.64 out of 5 stars ( 25 )

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