BUICK RIVIERA Engines & Components

Dorman Valve Covers 264-966

Valve Cover, Plastic, Stock, Front, Buick, Chevrolet, Oldsmobile, Pontiac, 3.8L, 3.3L, V6, Each

Part Number: RNB-264-966

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

Melling Pushrods MPR-365

Melling Pushrods MPR-365

Pushrod, Steel, 5/16 in. Diameter, Ball Tips, 7.701 in. Overall Length, Each

Part Number: MEL-MPR-365

Not Yet Reviewed

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Enginetech Piston Ring Sets R40658-060

Engine Piston Ring Set 68-80 BUI/CAD/OLD 5.7L

Part Number: EGN-R40658060

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2026 if ordered today

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Estimated Ship Date: Nov 25, 2026 if ordered today

King AM-Series Rod Bearings CR 817AM 040

Rod Bearings, .040 in. Crankshaft Undersize, Bi Metal, Alecular Alloy, Oldsmobile, Set of 8

Part Number: KGB-CR817AM040

Not Yet Reviewed

Estimated Ship Date: Jan 25, 2027 if ordered today

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Estimated Ship Date: Jan 25, 2027 if ordered today

Melling Oil Pump Rebuild Kits K224

Pump Kit

Part Number: MEL-K224

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

Melling Oil Pump Rebuild Kits K135

Oil Pump Rebuild Kit, Buick, Oldsmobile, Pontiac, Kit

Part Number: MEL-K135

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

Hastings Piston Ring Sets 696

Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-696

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

King SI-Series Main Bearings MB5184SI 020

Main Bearings, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB5184SI020

Not Yet Reviewed

Estimated Ship Date: Jan 25, 2027 if ordered today

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Estimated Ship Date: Jan 25, 2027 if ordered today

FAG USA Harmonic Balancer Repair Sleeves SR3511

Repair Sleeve Various Makes 50-08

Part Number: FWB-SR3511

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

Hastings Piston Ring Sets 696030

Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-696030

Not Yet Reviewed

Estimated Ship Date: Nov 13, 2026 if ordered today

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Estimated Ship Date: Nov 13, 2026 if ordered today

FAG Bearings Shaft Repair Sleeves SR3491

Repair Sleeve Various Makes 50-04

Part Number: FWB-SR3491

Not Yet Reviewed

Estimated Ship Date: Today

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King SI-Series Main Bearings MB4017SI 020

Main Bearings, SI-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Buick, 3.8L, V6, Set 4

Part Number: KGB-MB4017SI020

Not Yet Reviewed

Estimated Ship Date: Jan 25, 2027 if ordered today

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Estimated Ship Date: Jan 25, 2027 if ordered today

King SI-Series Main Bearings MB4017SI 030

Main Bearings, SI-Series, 1/2 Groove, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Buick, 3.8L, V6, Set 4

Part Number: KGB-MB4017SI030

Not Yet Reviewed

Estimated Ship Date: Jan 25, 2027 if ordered today

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Estimated Ship Date: Jan 25, 2027 if ordered today

Enginetech Piston Ring Sets R38056-030

Engine Piston Ring Set 75-88 BUI/CHV/GMC/OLD/PON 3.0L/3.8L

Part Number: EGN-R38056030

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

Cloyes Heavy-Duty Timing Sets C-3058K

3-PIECE SET

Part Number: CLO-C-3058K

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

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Estimated Ship Date: Nov 11, 2026 if ordered today

Fel-Pro Headbolt Kits ES 74022

Head Bolt Set, 3.8L, Buick, Olds, Pontiac

Part Number: FEL-ES74022

Not Yet Reviewed

Estimated Ship Date: Nov 20, 2026 if ordered today

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Estimated Ship Date: Nov 20, 2026 if ordered today

FAG USA Harmonic Balancer Repair Sleeves SR3472

Repair Sleeve Various Makes 67-16

Part Number: FWB-SR3472

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

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Estimated Ship Date: Dec 7, 2026 if ordered today

Melling Oil Pump Screen Assemblies 257S

Oil Pickup, Bolt-In, Stock Pan Style, 0.750 in. Tube Diameter, Buick, Oldsmobile, Pontiac, V6, 3.8L, Each

Part Number: MEL-257S

Not Yet Reviewed

Estimated Ship Date: Today

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Enginetech Oil Pump Repair Kits EK20-I

Engine Oil Pump Repair Kit 64-89 BUI/CAD/CHV/GMC/JEP/OLD/PON 3.0L/3.2L/3.7L/3.8L/4.1L/4.9L/5.6L/5.7L

Part Number: EGN-EK20-I

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Expansion Plugs 565-017

Freeze Plugs, Brass, 1.000 in. Diameter, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Jaguar, Set of 10

Part Number: RNB-565-017

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Hastings Piston Ring Sets 437S

Engine Piston Ring Set, Single Cyl Ring Set; Phosphate

Part Number: HSN-437S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 12, 2026 if ordered today

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Estimated Ship Date: Nov 12, 2026 if ordered today

Enginetech Timing Chain and Gear Sets TS381A

Engine Timing Set 95-08 BUI/CHV/OLD/PON 3.8L/5.3L

Part Number: EGN-TS381A

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2026 if ordered today

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Estimated Ship Date: Nov 25, 2026 if ordered today

Melling Timing Chain Sets 3-359SB

CHAIN-TIMING SET (3)

Part Number: MEL-3-359SB

Not Yet Reviewed

Estimated Ship Date: Nov 27, 2026 if ordered today

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Estimated Ship Date: Nov 27, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Cloyes Heavy-Duty Timing Sets C-3018K

Not Yet Reviewed

Estimated Ship Date: Today

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Pioneer Automotive Timing Covers 500305S

TIMING COVER - STEEL

Part Number: PIO-500305S

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Estimated Ship Date: Nov 16, 2026 if ordered today

Enginetech Push Rods EPR307

Pushrod, Valvetrain, OE Style, Ball Ends, 5/16 in. Dia., 8.234 in. Long, Steel, Buick, Cadillac, Olds, Pontiac, 4.3L, 5.4L, 5.7L, 6.6L, 7.0L, Set of 4

Part Number: EGN-EPR307

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2026 if ordered today

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Estimated Ship Date: Nov 25, 2026 if ordered today