1990 GMC Gaskets & Seals

Fel-Pro Differential Cover Gaskets RDS 55387

Differential Carrier Gasket, Fits GM Truck, 9.5 in. Ring Gear, 1/2 Ton, 3/4 Ton, 14-Bolts, Each

Part Number: FEL-RDS55387

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE AccuSeal Pro Intake Gaskets 211119

SCE AccuSeal Pro Intake Gaskets 211119

Intake Manifold Gaskets, AccuSeal Pro, Composite, Vortec CPI Port, Chevrolet, 5.7L, Pair

Part Number: SCE-211119

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mr. Gasket Header/Manifold Exhaust Gaskets 150A

Exhaust Gaskets, Header, High-Temperature White, Square Port, Chevy, Small Block, Pair

Part Number: MRG-150A

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE AccuSeal Pro Valve Cover Gaskets 213078

Gaskets, Valve Cover, Steel Core PTFE Coated, Chevy, Big Block, Pair

Part Number: SCE-213078

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE Pro Copper Head Gaskets P112043

Head Gasket, Copper, 4.200 in. Bore, 0.043 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P112043

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE Graph-Form Premium Header Gaskets 413182

Header and Exhaust Manifold Gaskets, Graph-Form Premium, High-density/Hi-temp Graphite, Square Port, Chevrolet, Big Block, Pair

Part Number: SCE-413182

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mr. Gasket Valve Cover Gaskets 168

Valve Cover Gaskets, Cork/Rubber, Chevy, Small Block, Centerbolt, Pair

Part Number: MRG-168

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE Graph-Form Premium Header Gaskets 413180

Exhaust Gaskets, Header, Hi-Density/Hi-Temp Graphite, Round Port, Chevy Big Block , Set

Part Number: SCE-413180

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE Pro Copper Head Gaskets P135780

Head Gasket, Copper, 4.570 in. Bore, 0.080 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P135780

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mahle Original Valve Cover Gaskets VS50161

Valve Cover Gaskets, Victo-Tech Rubber, Chevrolet, GMC, Chevrolet, Small Block Gen I, Pair

Part Number: MAH-VS50161

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE ICS Titan Copper Head Gaskets S112050

Head Gaskets, Titan, Copper, 4.200 in. Bore, .050 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: SCE-S112050

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Mr. Gasket CopperSeal Exhaust Gaskets 7151MRG

Exhaust Gaskets, Header, Copper, Square Port, Chevy, Small Block, Pair

Part Number: MRG-7151MRG

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE Graph-Form Premium Header Gaskets 411188

Exhaust Gaskets, Header, Hi-Density/Hi-Temp Graphite, Oval Port, Chevy Small Block , Set

Part Number: SCE-411188

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mr. Gasket Ultra-Seal Exhaust Gaskets 5908

Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Stock Port, Chevy, Small Block, Hooker Plate, Pair

Part Number: MRG-5908

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Trans-Dapt Performance 5/16 Valve Cover Gaskets 9645

Valve Cover Gaskets, Nitrile Rubber/Fiber, Chevy, GMC, Big Block, Pair

Part Number: TRD-9645

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Timken Automatic Transmission Torque Converter Seals 4950

Seal, Torque Converter, Cadillac, Chevy, Isuzu, Saab, Each

Part Number: TMK-4950

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Fel-Pro EGR Gaskets 70978

EGR Gasket, Steel Core Laminate, Each

Part Number: FEL-70978

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Cometic Specialty Intake Gaskets C15041-125

Intake Manifold , .125" Kevlar Fiber PAIR, OVAL PORT , B/B GM INTAKE 1.82" X 2.050"

Part Number: CGT-C15041-125

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE Pro Copper Head Gaskets P110662

Head Gasket, Copper, 4.060 in. Bore, 0.062 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P110662

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE Graph-Form Premium Header Gaskets 411181

Header and Exhaust Manifold Gaskets, Graph-Form Premium Header Gaskets, High-density/Hi-temp Graphite, Round Port, Chevrolet, Small Block, Pair

Part Number: SCE-411181

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mr. Gasket Ultra-Seal Exhaust Gaskets 5903

Exhaust Gaskets, Header, Ultra-Seal, D-Port, Chevy, Small Block, Pair

Part Number: MRG-5903

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mahle Original Rear Main Seals JV1634

Rear Main Seals, Original, One-piece, PTFE Rubber, Chevy, Each

Part Number: MAH-JV1634

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Mahle Original Timing Cover Gaskets JV1041

Timing Cover Gaskets, Original, Paper, Water Pump Gasket, Fuel Pump Gasket, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: MAH-JV1041

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SCE Pro Copper Head Gaskets P135280

Head Gasket, Copper, 4.520 in. Bore, 0.080 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P135280

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Timken Differential Pinion Seals 9316

Differential Pinion Seal, Acrylates, Each

Part Number: TMK-9316

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air