BUICK CENTURY Transmission & Drivetrain

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

• Free Shipping

Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each

Part Number: HAY-97-1D42F

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373TK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Transmission Modulator Valve, GM, TH300, TH350, TH400, Each

Part Number: ATP-JX66

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

Transmission Pan, Stock, Aluminum, Polished, Buick, Chevy, GMC, Oldsmobile, Pontiac, TH350, Each

Part Number: SPE-5460

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

• Free Shipping

Torque Converters, Remanufactured, OEM Style, 1.750 in. Slotted Hub, 3 Pad Mount, 12.00 in. Diameter, 1,654 Stall, 27 Spline Input, Avanti, GM, Each

Part Number: CCV-TQBU15A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Core Charge $75.00

Flywheel, Aluminum, 10.5 lbs., Chevy, Each

Part Number: FIZ-198541

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Transmission Pan, Stock, Aluminum, Polished, TH400, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: MRG-9796PMRG

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

• Free Shipping

Universal Joint, 1344 Style, Greasable, Steel, Each

Part Number: SUM-732001

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RPK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Transmission Fluid Dipsticks, Chrome Plated, Bellhousing Mount, Case Entry, Chrome Tube and Handle, 25.00 in. Length, Chevy, TH400, Each

Part Number: MRG-9765-A

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Automatic Transmission Master Repair Kit, Chevy, GMC, Olds, Pontiac, Jaguar, Jeep, Rolls Royce, TH400, Kit

Part Number: ATP-JMS9

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

Mini Spool, GM 7.5 in. 10-Bolt, Open Carrier, Equal Windows, 28-Spline, Each

Part Number: RMG-78-7528-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Axle Seal, Rear Outer, Avanti, Buick, Chevy, GMC, Chrysler, Dodge, Plymouth, Ford, Lincoln, Mitsubishi, Each

Part Number: TMK-8835S

4.35 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

Axle Bearing, Inner, Each

Part Number: TMK-TRP1559TV

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Torque Converter, GM TH400 65-86 FB HS

Part Number: CCV-TQBU3HF

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Core Charge $75.00

Transmission Modulator Valve, GM, TH350, Each

Part Number: ATP-JX67

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

Transmission Fluid Dipstick Components, Seals, Tube Grommet, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: ADO-1259475

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Clutch Disc, Organic, 1 1/8 in. 10-Spline, 10.5 in. Disc, GM, V8, Each

Part Number: MCL-260140

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Transmission Yoke, Cast Steel, N3R, 32 Spline, GM, TH400, Each

Part Number: TCI-965300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

Valve Body, Full Manual, Reverse Pattern, Chevy, TH400, Each

Part Number: TCI-221100

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1102

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Kickdown Cable, 43.86 in. Length, TH350, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PIO-CA-1951

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Torque Converter, Nitrous Holeshot,3.400 3,800 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20482

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order