Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

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Results 1 - 25 of 634

BD Diesel Transmission Cooler Bypass Valve Delete Kits for 2013-2018 2500, 3500 - 1061528

Automatic Transmission Cooler Bypass Valve Delete Kits, Aluminum, Includes Washers and Seals, 2013-18 Dodge/Ram, 6.7L, 68RFE/AS69RC, Kit

Part Number: BDD-1061528

5.0 out of 5 stars ( 2 )

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BD Diesel Transmission Cooler Bypass Valve Delete Kits 1061527

Automatic Transmission Cooler Bypass Valve Delete Kits, Aluminum, Includes Washers and Seals, 2019-20 Dodge/Ram, 6.7L, 68RFE/AS69RC, Kit

Part Number: BDD-1061527

Not Yet Reviewed

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Pacific Performance Engineering Transmission Fluid Bypass Valves for 2013-2018 2500, 3500 - 225065000

Automatic Transmission Cooler Bypass Delete Kits, Natural, Aluminum, Coupler, Ram, Kit

Part Number: PPE-225065000

2.0 out of 5 stars ( 2 )

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Sonnax Automatic Transmission Cooler Bypass Valve Kits 36605-02K

Transmission Cooler Bypass Delete Kit, Cooler Bypass Valve Kit, Steel, Black, includes T-Valve, Spring, Checkball, O-rings, Ford, 4R100, E4OD, Kit

Part Number: SOX-36605-02K

4.0 out of 5 stars ( 1 )

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ATS Diesel Performance Cooler Bypass Delete Kits 310-005-2464

Automatic Transmission Cooler Bypass Delete Kits, Thermal Bypass Valve Up Grade, Aluminum, Coupler, Ram, Kit

Part Number: APF-3100052464

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Moroso Replacement Transmission Cooler Filters 97291

SPARE FILTER ELEMENT for MOR-41205

Part Number: MOR-97291

5.0 out of 5 stars ( 2 )

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BD Diesel Bypass Tube Eliminator Kits 1600036

Cooler Bypass Eliminator, Aluminum, Ford, Diesel, Kit

Part Number: BDD-1600036

5.0 out of 5 stars ( 3 )

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Mishimoto Thermal Bypass Valve Kits for 2019-2024 2500, 3500 - MMTC-RAM2-TBVFF

Automatic Transmission Cooler Bypass Delete, Machined, Ram, 6.7L, Kit

Part Number: MIO-S2641

Not Yet Reviewed

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Mishimoto Thermal Bypass Valve Kits for 2013-2018 2500, 3500 - MMTC-RAM-TBVFF

Automatic Transmission Cooler Bypass Delete Kits, Non-Thermostatic, Full-Flow, Aluminum, Anodized, RAM, Cummins, 6.7L, 68RFE, AS69RC, Each

Part Number: MIO-MMTCRAMTBVFF

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Mishimoto Thermal Bypass Valve Kits MMTC-RAM2-TBV

Automatic Transmission Cooler Bypass Delete, Black Anodized, Ram, 6.7L, Kit

Part Number: MIO-MMTCRAM2TBV

Not Yet Reviewed

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Mishimoto Thermal Bypass Valve Kits for 2017-2021 F-150 - MMTC-RPTR-TBV

Automatic Transmission Cooler Bypass Delete Kits, Thermostatic, Full-Flow, Aluminum, Black, Anodized, Ford, 3.5L, Ecoboost, 10R80, Each

Part Number: MIO-MMTCRPTR-TBV

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Mishimoto Thermal Bypass Valve Kits for 2012-2018 WRANGLER - MMTC-JK-TBV

Automatic Transmission Cooler Bypass Delete, Jeep, Thermal Bypass Valve, Kit

Part Number: MIO-MMTC-JK-TBV

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Mishimoto Thermal Bypass Valve Kits for 2017-2021 F-150 - MMTC-RPTR-TBVFF

Automatic Transmission Cooler Bypass Delete Kits, Non-Thermostatic, Full-Flow, Aluminum, Anodized, Ford, 3.5L, Ecoboost, 10R80, Each

Part Number: MIO-S0087

Not Yet Reviewed

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Dorman Automatic Transmission Cooler Bypass Delete Kits 724-652

Cooler Bypass Valve, Chrysler 2014-12, Dodge 2019-12, Jeep 2018-11, Ram 2020-12

Part Number: RNB-724-652

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

ACDelco GM Genuine Parts Transmission Cooler Seals 15251488

Transmission Cooler Line Gaskets and Seals, Aluminum/Rubber, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: ADO-15251488

5.0 out of 5 stars ( 1 )

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ATI Transmission Cooler Line Fittings ATI925143

Fitting, Transmission Line into Case Adapter, -6 AN Male to 9/16 in.-18 Male, Aluminum, Black Anodized, Each

Part Number: ATI-925143

Not Yet Reviewed

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Kooks Headers Transmission Cooler Line Relocation Brackets for 2005-2013 CORVETTE - K60015

automatic transmission brackets and levers

Part Number: KOK-K60015

Not Yet Reviewed

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TCI StreetFighter Automatic Transmission Packages 371000P1

TCI StreetFighter Automatic Transmission Packages 371000P1

Automatic Transmission Package, 700R4 Transmission/2,400 rpm Flash Stall Converter/Cooler/Fluid, Chevy

Part Number: TCI-371000P1

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

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FTI Performance TH400 Level 4 Transmissions TH400-4K21

Automatic Transmission Package, TH400 level 4, Dipstick & Tube, Cooler Lines, Cooler, FTI ATF Fluid, SST89-0 Racing Billet Stall Converter, Kit

Part Number: FTI-TH400-4K21

5.0 out of 5 stars ( 1 )

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TCI StreetFighter Automatic Transmission Packages 311000BP2

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, 6 in. Tailshaft, Chevy, Buick, Olds, Pontiac, TH350, V8, Kit

Part Number: TCI-311000BP2

3.0 out of 5 stars ( 2 )

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TCI StreetFighter Transmissions 311090P1

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, Chevy, TH350, V8, Kit

Part Number: TCI-311090P1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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TCI StreetFighter Automatic Transmission Packages 311000BP1

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, 6 in. Tailshaft, Chevy, Buick, Olds, Pontiac,TH350, V8, Kit

Part Number: TCI-311000BP1

Not Yet Reviewed

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TCI StreetFighter Automatic Transmission Packages 211000BP2

Automatic Transmission, StreetFighter, 30-spline Input, Fluid, Torque Converter, Cooler, 4 in. Tailshaft, Chevy, Buick, Olds, Pontiac, TH400, V8, Kit

Part Number: TCI-211000BP2

1.0 out of 5 stars ( 1 )

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Derale Transmission Pans 14208

Transmission Pan Cooler, 6 1/8 in. Deep, Steel, Black, 1/8 NPT Bung, Ford, 4R100, E4OD, 5R110, 5R110W, Each

Part Number: DER-14208

4.82 out of 5 stars ( 55 )

Estimated Ship Date: Today

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Derale Transmission Pans 14204

Transmission Pan Cooler, 3 5/8 in. Deep, Steel, Black, Chevy, Oldsmobile, Pontiac, 700 R4, 4L60, 4L60E, Each

Part Number: DER-14204

4.31 out of 5 stars ( 36 )

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