1966 OLDSMOBILE Gaskets & Seals - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Patriot Seal-4-Good Header Gaskets 66039

Exhaust Gaskets, Header, Seal-4-Good, Aluminum, Stock Port, Oldsmobile, 330-455, Pair

Part Number: PTE-66039

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Fel-Pro Exhaust Manifold Gaskets MS 90021

Exhaust Gaskets, Steel Core Laminate, Stock Port, Oldsmobile, 260-455, Set

Part Number: FEL-MS90021

5.0 out of 5 stars ( 1 )

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Fel-Pro Oil Filter Gaskets 9948

Oil Filter Gasket, Composite, Buick, Cadillac, Checker, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: FEL-9948

4.5 out of 5 stars ( 2 )

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Mahle Original Rear Main Seals JV728

Engine Main Bearing Gasket Set, Engine Main Bearing Gasket Set

Part Number: MAH-JV728

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Summit Racing™ Exhaust Manifold Gaskets SUM-110458

Exhaust Manifold and Header Gaskets, Steel Core Laminate, Rectangular Port, Oldsmobile, V8, Pair

Part Number: SUM-110458

5.0 out of 5 stars ( 2 )

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Fel-Pro Valve Stem Seals SS 70393

Valve Stem Seal Set

Part Number: FEL-SS70393

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Mahle Original Thermostat Housing and Coolant Outlet Gaskets C24109

Gasket, Paper, Engine Coolant Outlet, OEM-style, Various, Each

Part Number: MAH-C24109

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SCE AccuSeal E Timing Cover Gaskets 17903

SCE AccuSeal E Timing Cover Gaskets 17903

Gasket, Timing Cover, AccuSeal E, Composite, Oldsmobile, V8, Kit

Part Number: SCE-17903

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Timken Transmission Rear Seals 5208

Seal, Transmission Rear Seal, AM General, Buick, Chevy, GMC, Isuzu, Jeep, Rolls Royce, Kit

Part Number: TMK-5208

3.0 out of 5 stars ( 2 )

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Mr. Gasket Ultra-Seal Head Gaskets 5788G

Head Gasket; Ultra Seal; Head Gasket; Solid Steel Core; Laminated Outer Facing; 4.230 in. Gasket Bore; 0.038 i

Part Number: MRG-5788G

5.0 out of 5 stars ( 1 )

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Cometic MLS Head Gaskets C5809-060

Head Gasket, MLS, 4.200 in. Bore, .060 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5809-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Summit Racing™ Oldsmobile V8 Valve Cover Gaskets SUM-110562

Valve Cover Gaskets, Cork/Rubber, Oldsmobile, V8, Pair

Part Number: SUM-110562

5.0 out of 5 stars ( 1 )

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Mr. Gasket Header/Manifold Exhaust Gaskets 453

Exhaust Gaskets, Header, High-Temperature White, Rectangular Port, Oldsmobile, V8, Set

Part Number: MRG-453

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Fel-Pro Exhaust Pipe Flange Gaskets 60985

Gasket, Exhaust Pipe Flange, Buick, Chevy, GMC, Oldsmobile, Ford, Lincoln, Mercury, Shelby, Studebaker, TVR

Part Number: FEL-60985

5.0 out of 5 stars ( 2 )

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Cometic MLS Head Gaskets C5699-080

HEAD GASKET

Part Number: CGT-C5699-080

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Mr. Gasket Differential Cover Gaskets 84

Differential Cover Gasket, Cork/Rubber, GM 8.2 in./10-Bolt, Each

Part Number: MRG-84

5.0 out of 5 stars ( 4 )

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Cometic MLS Head Gaskets C5809-051

Head Gasket, MLS, 4.200 in. Bore, .051 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5809-051

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Mahle Original Timing Cover Seals 65022

Timing Cover Seal, Rubber, Buick, Cadillac, Checker, Chevy, GMC, Isuzu, Jeep, Oldsmobile, Pontiac, Studebaker, Each

Part Number: MAH-65022

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Fel-Pro Oil Pan Gaskets OS 13419 C

Oil Pan Gasket, Multi-Piece, Cork, Oldsmobile, 260-455, Each

Part Number: FEL-OS13419C

4.0 out of 5 stars ( 4 )

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Cometic MLS Head Gaskets C5811-027

Head Gasket, MLS, 4.270 in. Bore, .027 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5811-027

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Cometic Valve Cover Gaskets C5973PR

Valve Cover Gasket Set

Part Number: CGT-C5973PR

Not Yet Reviewed

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Cometic MLS Head Gaskets C5809-075

Head Gasket, MLS, 4.200 in. Bore, .075 in. Compressed Thickness, Oldsmobile, Each

Part Number: CGT-C5809-075

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Edelbrock Cylinder Head Gaskets 7340

Head Gasket, Cylinder Head, Oldsmobile 400-425-455 cid Engines, 4.25 in. Bore; 0.042 in. Compressed, Pair

Part Number: EDL-7340

3.0 out of 5 stars ( 3 )

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SCE Fuel Pump Gaskets 17906

Fuel Pump Gasket, Olds, 260-455, Each

Part Number: SCE-17906

5.0 out of 5 stars ( 1 )

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Hedman Header Gaskets 27800

Exhaust Gaskets, Header, High-Temperature, Stock Port, Oldsmobile, V8, Pair

Part Number: HED-27800

5.0 out of 5 stars ( 2 )

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