BUICK RIVIERA Parts and Accessories

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6903221

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 7.5 in./7.625 in., Standard Rotation, Set

Part Number: MGR-G875390

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Catalytic Converter, Stainless Steel, Buick, 19.75 in. Length, 3.8L, Each

Part Number: MPE-93439

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Camshaft Kit, M-Select Torque, Hydraulic Flat Tappet, Advertised Duration 280/290, Lift .448/.472, Lifters, Buick, Cadillac, Olds, Oldsmobile V8, Kit

Part Number: MEL-CL-MTO-1

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Alternator, Race, Delco AD230 Case, 165 amp, 12 V, V-Belt Pulley, Black Powdercoated, Internal Regulator, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: PWM-58413

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5in./7.625 in., 2 Series, Set

Part Number: MGR-G875373X

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Brake Rotor, Front, 4WD, RWD, 11.85 in. O.D., 301 mm O.D., 5 x 5.00 in., 5 x 127 mm, 1.283 in. Thick, Pair

Part Number: PWR-AR8600XPR

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Nov 27, 2026 if ordered today

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-390

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Engine Cylinder Head Complete Reman 95-05 BUI/CHV/OLD/PON 3.8L/4.6L

Part Number: EGN-CH1119R

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Estimated Ship Date: Dec 4, 2026 if ordered today

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Brake Rotors/Pads, Drilled/Slotted, Iron, Natural, Front, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: PWR-K4539-26

2.4 out of 5 stars ( 5 )

Estimated Ship Date: Nov 27, 2026 if ordered today

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Alternator, Smooth Look, GM 12si, 12 V, 150 amps, Polished, V-belt Pulley, Buick, Chevy, Olds, Pontiac, Each

Part Number: PWM-67297-367

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Gear, Ring and Pinion, 3.90:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900341

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Distributor, Blueprinted HEI, Magnetic Pickup, Vacuum/Mechanical Advance, Black Cap, Buick, V8, Each

Part Number: SUM-850038

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-456

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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A/C Compressor Kit, New Compressor, Drier, Expansion Valve, Oil, Seals, R-134A, Aluminum, Natural, Buick, Chevy, Oldsmobile, Pontiac, Cadillac, Kit

Part Number: FSS-9706NK

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Estimated Ship Date: Nov 30, 2026 if ordered today

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Sway Bars, Anti-Sway Bar Kits, Rear, Solid, Steel, Black Powdercoated, 1.000 in. Diameter, Buick, Chevrolet, Kit

Part Number: ACO-K1-934-0U

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Tire, Classic Collector, 710R15, Radial, S Speed Rated, 95 Load Range, Whitewall, Each

Part Number: COK-700307

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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New PS Gear

Part Number: LSC-11106

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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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 11/9/2026 if shipped by air

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

Part Number: MGR-G875323

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Drag Shock, Racing Eliminator, Double-Adjustable, Buick, Chevy, Oldsmobile, Pontiac, Front, Each

Part Number: AFC-3840F-ALT

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Estimated Ship Date: Dec 10, 2026 if ordered today

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Fuel Pumps, Electric, In-Tank, 255 lph, 110 psi, 12V, Stock Inlet, Steel Housing, Silver, Buick, Chevy, Pontiac, 2.8-5.7L, Kit

Part Number: HLY-12-914

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Alternator, Smooth, Internal Regulator, 150 Amp, Chrome, V-Belt, Buick, Cadillac, Chevy, Oldsmobile, Pontiac,

Part Number: PWM-37297-367

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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