BUICK RIVIERA Transmission & Drivetrain

U-Joint, Lifetime Series, Spicer 1350 Style, Steel, AMC, Buick, Cadillac, Chevy, Chrysler, Dodge, Ford, GMC, Jeep, Mercury, Olds, Pontiac, Each

Part Number: YGA-42021

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Ring Gear Bolt

Part Number: MGR-14066913

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Automatic Transmission Lever, Steel, Natural, Each

Part Number: HUU-1050180

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Flywheel and Flexplate Ring Gears, Steel, 168 Tooth, Chevrolet, Buick, Pontiac, Oldsmobile, Each

Part Number: RAM-13-168

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Transmission Fluid Dipstick Components, Automatic Transmission Dipstick Tube Seals, Tube Grommet, 1.015 in. Bore Diameter, Ford, GM, Each

Part Number: ATP-SO35

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900461

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Differential Carrier Bearing, Steel, 3.062 in. Diameter, Each

Part Number: NTL-A36

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Automatic Shifter, Megashifter, Right Hand Drive Models, Chevy, Mopar, Ford, Lincoln, Mercury, Each

Part Number: BMM-80685

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Ring and Pinion and Differential Combo, GM 8.5 in., 3.42:1 Ratio, 28-Spline, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: YGA-12627

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Transmission Filter, GM, Rolls-Royce, TH400, Kit

Part Number: ATP-B29

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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

Part Number: MGR-R10RPK

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885488

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Transmission Modulator Valve, GM, TH350, Each

Part Number: ATP-JX67

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Axle Shaft, 28-Spline, 30.438 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, 8.5 in., Rear, Each

Part Number: RMG-92-25157

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 2.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-GM10-273

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Bearing Race, Axle, Outer, Each

Part Number: TMK-25523

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, Buick, Cadillac, Chevy, Ford, Jeep, Set of 6

Part Number: RNB-74070

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 10.5 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1100

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Wheel Hub and Bearing Assembly, Front, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Saturn, Each

Part Number: MOG-513179

4.65 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• $20 Summit Bucks

Transmission Pan, Deep, Steel, Chrome, GM, TH400, Each

Part Number: BMM-20289

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Ring & Pinion Gear, 4.56 Ratio, GM, 8.5 in./8.6 in., Set

Part Number: YGA-24161

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Torque Converters, Remanufactured, OEM Style, 1.875 in. Slotted Hub, 3 Lug Mount, 12.00 in. Diameter, 1,400 Stall, Buick, Oldsmobile, Pontiac, Each

Part Number: CCV-TQBU1A

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Core Charge $75.00
• Free Shipping

Carrier Shims, Super, Steel, Kit

Part Number: YGA-55001

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air