BUICK Transmission & Drivetrain

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900441

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Transmission Rebuild Components, Manual Valve Lever, Rooster Comb, TH400, Each

Part Number: ATI-402110

Not Yet Reviewed

Estimated Ship Date: Today

Spider Gear Kit, Positraction Differential, GM 8.5 in., 8.6 in., Aftermarket Yukon Dura/Eaton, 30 Spline, Kit

Part Number: YGA-16053

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Automatic Shifter, Floor Mounted, Detent, 8.000 in. Single Bend Chrome Stick, 3/8-24 in., Brushed Mushroom Knob, TH400, Each

Part Number: LOK-FM400EM

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Estimated Ship Date: Today

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Hydraulic Throwout Bearing Conversion Kits, American Powertrain Hydramax Hydraulic Clutch Release Systems, Pedal Kit, Sold as a Kit

Part Number: AWR-CAGM40014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 28, 2026 if ordered today

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Transmission Upgrade Kit, Shift Improver, GM, 4L60E, Each

Part Number: BMM-70360

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Today

Direct Springs for TH400 High Gear(16)

Part Number: TCI-221600

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Wheel Hub 1997-04 Buick Cadillac Chevrolet Oldsmobile Pontiac (Front/ Rear Hub)

Part Number: GNA-104121HD

Not Yet Reviewed

Estimated Ship Date: Today

Ring and Pinion Gears,Yukon Gear & Axle 7.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: YGA-10641

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 12P 8.875" GM 3.31 REAR R&P GEAR/ INSTALL KIT PACKAGE with 30spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12611

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Differential Carrier Rebuild Kits and Spider Gears, GM 8.5 in., Side Gears, 28-spline, 10-bolt, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: SPZ-39026

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Installation Kit, Master Overhaul, GM 8.875 in. Passenger Car, Kit

Part Number: YGA-14094

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Ring and Pinion Gears and Installation Kit, 8.5" GM 3.42 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12621

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Ring and Pinion Installation Kit, Master Kit, GM 8.2 in. BOP, Kit

Part Number: RGA-35-2016-BOP

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

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Carrier Shims, Ford 8.8 in., GM 12-Bolt Truck, GM 9.3 in. C-Axle, Kit

Part Number: RMG-3800071

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Today

Automatic Transmission Kickdown Cable, Hi-Tech, Natural Braided Stainless Steel, Natural Aluminum Fittings, GM, TH350, Kit

Part Number: LOK-KD-2350TP

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Plug Fitting, GM Genuine Parts Multi-Purpose Threaded Plug, Steel, Natural, Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, Suzuki, Each

Part Number: ADO-19256068

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Estimated Ship Date: Today

• $20 Summit Bucks on $200 spent*

Pinion Yoke, Steel, Spicer 1310 Type, 30-Spline, GM, 8.5 in., Kit

Part Number: YGA-41086

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 23, 2026 if ordered today

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Torque Converter, SRL-3 Billet Series, Triple Clutch, 9.5 in. Diameter, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SRLS0082-3

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

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Torque Converter, SRL-3 Billet, Triple Clutch, 9.5 in. Diameter, Hard Hit Version, 4L60E, 4L65E, Lockup, Each

Part Number: FTI-SRLS8082-3

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

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U-Joint Strap and Bolts, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-81000

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Automatic Transmission Rebuild Kit, Racing, Chevy, TH400, Kit

Part Number: TCI-228600

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Hydraulic Clutch Master Cylinder Kit 1964 1967 GM A body

Part Number: IST-HGA1MK

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Transmission Dipstick, Black Braided Stainless Steel Tube, Black Handle, Bellhousing Mount, TH400, Each

Part Number: SUM-703103B

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Gasket, Valve Body, GM, TH400, Each

Part Number: TCI-GSK221500

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today