BUICK RIVIERA Gaskets & Seals

Cometic MLS Head Gaskets C5811-045

Cometic MLS Head Gaskets C5811-045

Head Gasket, MLS, 4.270 in. Bore, .045 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5811-045

Not Yet Reviewed

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

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

Cometic MLS Head Gaskets C5754-051

Head Gasket, MLS, 4.385 in. Bore, .051 in. Compressed Thickness, Buick, Each

Part Number: CGT-C5754-051

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2027 if ordered today

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Estimated Ship Date: Mar 9, 2027 if ordered today

Fel-Pro Head Gasket Sets HS 8506 PT

Head Gasket Set

Part Number: FEL-HS8506PT

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

Metro Moulded Parts Master Cylinder Reservoir Cover Gaskets RP 2-E

Brake Master Cylinder Cover Gasket, Rubber, Each

Part Number: MMP-RP2-E

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

Fel-Pro Head Gaskets 8494 PT

Head Gasket, Steel Core Laminate, Buick, 400/430/455, Each

Part Number: FEL-8494PT

Not Yet Reviewed

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

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

Cometic MLS Head Gaskets C5810-036

Head Gasket, MLS, 4.400 in. Bore, .036 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5810-036

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2027 if ordered today

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Estimated Ship Date: Mar 9, 2027 if ordered today

Cometic MLS Head Gaskets C5809-030

Head Gasket, MLS, 4.200 in. Bore, .030 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5809-030

Not Yet Reviewed

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

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

Cometic MLS Head Gaskets C5754-030

Head Gasket, MLS, 4.385 in. Bore, .030 in. Compressed Thickness, Buick, Each

Part Number: CGT-C5754-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2027 if ordered today

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Estimated Ship Date: Mar 9, 2027 if ordered today

Cometic MLS Head Gaskets C5753-027

Head Gasket, MLS, 4.312 in. Bore, .027 in. Compressed Thickness, Buick, Each

Part Number: CGT-C5753-027

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2027 if ordered today

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Estimated Ship Date: Mar 9, 2027 if ordered today

Cometic MLS Head Gaskets C5810-030

Head Gasket, MLS, 4.400 in. Bore, .030 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5810-030

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2027 if ordered today

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Estimated Ship Date: Mar 9, 2027 if ordered today

Enginetech Intake Manifold Gaskets IB350

Engine Intake Manifold Gasket 68-80 BUI/JEP/PON 5.7L

Part Number: EGN-IB350

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

Cometic Intake Manifold Gaskets C5694-188

.188" ML INTAKE GASKETS

Part Number: CGT-C5694-188

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2027 if ordered today

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Estimated Ship Date: Mar 9, 2027 if ordered today

Cometic MLS Exhaust Gaskets C5904-030

Gasket, Manifold, Exhaust, Oldsmobile, V8, Pair

Part Number: CGT-C5904-030

Not Yet Reviewed

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

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

Cometic Street Pro Bottom-End Gasket Kits PRO1009B

Gasket, Bottom-End Set, Oldsmobile, 455, Kit

Part Number: CGT-PRO1009B

Not Yet Reviewed

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

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

Dorman Oil Pan Drain Plug Gaskets 097-119.1

Rubber Drain Plug Gasket, Fits M12 (20Mm Od)

Part Number: RNB-097-119-1

Not Yet Reviewed

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

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

Cometic MLS Head Gaskets C5754-120

Head Gasket, MLS, Multi-Layer Stainless Steel, 4.385 in. Bore, 0.120 in. Thickness, Buick, Each

Part Number: CGT-C5754-120

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2027 if ordered today

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Estimated Ship Date: Mar 9, 2027 if ordered today

Mahle Original Valve Cover Gaskets VS39763R

Valve Cover Gaskets, Cork/Rubber, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Pair

Part Number: MAH-VS39763R

1.0 out of 5 stars ( 1 )

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

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

Cometic Street Pro Top-End Gasket Kits PRO1011T

Gasket, Head Set, Buick, 455, Kit

Part Number: CGT-PRO1011T

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2027 if ordered today

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Estimated Ship Date: Mar 9, 2027 if ordered today

Fel-Pro Water Neck Gaskets 35595

Gasket, Water Neck, Paper, Buick, Chevy, GMC, Oldsmobile, Pontiac, 3.8/4.3L, V6, Each

Part Number: FEL-35595

3.0 out of 5 stars ( 2 )

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

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

Enginetech Intake Manifold Gaskets IB231-A

Engine Intake Manifold Gasket 79-89 BUI/CHV/GMC/OLD/PON 3.8L

Part Number: EGN-IB231-A

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

Standard Motor EGR Valve Mounting Gaskets VG8

Gasket, EGR Valve Mount, Each

Part Number: SMP-VG8

Not Yet Reviewed

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

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

Fel-Pro O-Rings 73193

Multi Purpose O-Ring, O-RING

Part Number: FEL-73193

Not Yet Reviewed

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

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

Mahle Original Engine Gasket Sets 95-3415

Engine Kit Gasket Set Buick V6, 231-231 Turbo,1985-87(Type A)(Rear Wheel Drive Only)(Order Intake

Part Number: MAH-95-3415

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2026 if ordered today

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Estimated Ship Date: Dec 8, 2026 if ordered today

Pioneer Automatic Transmission Extension Housing Seals 760009

SEAL

Part Number: PIO-760009

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

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Estimated Ship Date: Nov 23, 2026 if ordered today

SKF Bearings Oil Seals 17459

Seal

Part Number: SKF-17459

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