Performance & Replacement Transmission & Drivetrain Parts

Automatic Shift Kit, 6L80, 6L80E, 6L90, 6L90E, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: TRG-SK6L80

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission, Level 3, TH400, Forward Shift, Ultra Bell, 32-Spline Output Shaft, Chevy, Each

Part Number: FTI-TH400-3UB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

• Core Charge $350.00
• Free Shipping

Clutch Kit, Centerforce II, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, 4.3L, Kit

Part Number: CTF-KCFT355216

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission Pan, Deep, Aluminum, Natural, Chrysler, Torqueflite 727, Each

Part Number: TCI-128000

4.05 out of 5 stars ( 19 )

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion Installation Kit, Rear, GM 8.5 in., 10-Bolt, GM, Kit

Part Number: ETN-K-GM8-5SR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic/Manual Valve Body, Chevy, TH400, Each

Part Number: TCI-211005

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/22/2025

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Axle Shaft, GM Genuine Parts CV Axle Shaft, Steel, Front Left/Front Right, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-87863488

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping
• $20 Summit Bucks

Overrun Clutch Valve, 4L80E/4L85E Automatic Transmission, Kit

Part Number: SOX-3420040K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping
• $10 Summit Bucks

Wheel Hub, Front, Chevy, Each

Part Number: VAC-FB-15C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Clutch, Dual Friction, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, 4.8L, Kit

Part Number: CTF-DF842503

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Wheel Bearing, Front Outer, Each

Part Number: TMK-SET2

5.0 out of 5 stars ( 26 )

Estimated Ship Date: Monday 12/22/2025

Axle Housing, Rock Assault 9, 75.625 in. Width, 3.50 in. Diameter, Ford, 9 in., Each

Part Number: TGI-144049-1-KIT

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Jan 6, 2026 if ordered today

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Transmission Pan, Deep, Aluminum, Natural, Finned with Summit® Logo, Buick, Chevy, Oldsmobile, Pontiac, TH400, Each

Part Number: SME-1001

4.42 out of 5 stars ( 45 )

Estimated Ship Date: Monday 12/22/2025

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Wheel Bearing and Hub Assembly, X-Tracker Wheel Hub Assembly, Steel, Natural, RWD, Chevrolet, Each

Part Number: VAC-FBRB-5049

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Automatic Transmission, Remanufactured, Reverse Shift Pattern, Manual Valve Body, Chevy, TH400, 4WD, Full Comp, Fits Trans with NP205 T-Case, Each

Part Number: TCI-212800

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Master Cylinder, GS Compact Remote, Cast Aluminum, Black, 3/8-24 in. Outlet, Each

Part Number: WIL-260-15091

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Monday 12/22/2025

Manual Shifter, Billet/Plus, Ford, Each

Part Number: HUU-3915020

4.57 out of 5 stars ( 23 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Fluid Dipsticks, Hi-Tech Flexible Braided Stainless, Firewall Mount, Case Entry, Tube, Brite Anodized Handle, Chevy, GMC, 6L80E, 6L90E

Part Number: LOK-TD-36L80FM36

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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Transmission, Manual, Super T-10 4-Speed, GM, V8, Each

Part Number: RMG-7021510

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Driveshaft, Balanced, One-piece, Assembled, Aluminum, Pontiac, Each

Part Number: HMI-ALDS406SPORT

4.43 out of 5 stars ( 30 )

Estimated Ship Date: Monday 12/22/2025

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Differential Cover, Aluminum, Black Powdercoated, GM, 8.875 in., Passenger Car, Kit

Part Number: PRO-69502

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping

Automatic Transmission Shifter, V-Matic 3, Reverse Lockout, T-handle Knob, Boot, Chevy, Chrysler, Ford, Each

Part Number: HUU-3838530

4.36 out of 5 stars ( 22 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping

Clutch Kit, Organic, 1.125 in.- 10-Spline, 11 in. Disc, Organic, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: ZZZ-MU5505-1

4.49 out of 5 stars ( 39 )

Estimated Ship Date: Monday 12/22/2025

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Universal Joint, 1310 to 1350 Conversion, Greasable, Steel, Each

Part Number: MOG-348

4.69 out of 5 stars ( 32 )

Estimated Ship Date: Monday 12/22/2025

Clutch Kit, StreetPro, Organic, 1 1/16 in.- 10-Spline, 10 in. Disc, Ford, 289, 302, Kit

Part Number: MCL-75113

3.33 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping