1990 GMC Gaskets & Seals

Head Gasket, MLX, Multi-Layer Stainless Steel, 4.560 in. Bore, 0.040 in. Compressed Thickness, Chevrolet, GMC, Chevy Big Block, Each

Part Number: CGT-C15561-040

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Gaskets, Manifold, Intake, Stock Port, Chevy, TBI, 5.0/5.7L, Set

Part Number: FEL-MS93317

5.0 out of 5 stars ( 15 )

Cannot be shipped Internationally if shipped by air

• Restricted

Head Gasket, Titan, Copper, 4.060 in. Bore, .043 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-S110643

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Valve Cover Gasket, 0.188 in. Thick, Rubber, Steel, Chevy, Big Block, Pair

Part Number: CGT-C5975-2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Differential Cover Gasket, GM, 10-Bolt, 8.5 in., Each

Part Number: FEL-RDS550281

4.82 out of 5 stars ( 65 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Head Gaskets, Titan, Copper, 4.630 in. Bore, .080 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: SCE-S136280

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Gasket, Fuel Pump Mounting Plate, Composite, Each

Part Number: FEL-5182

4.92 out of 5 stars ( 37 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: MRG-5907

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Exhaust Header and Manifold Gaskets, Round Port, Graphite, Chevy, GMC, Big Block, Pair

Part Number: RFL-2013

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Distributor Base Gasket, Blue Reuseable Fiber, Each

Part Number: FEL-70194

4.91 out of 5 stars ( 23 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Valve Cover Gaskets, Ultra-Seal, Cork, Chevy, Big Block, Pair

Part Number: MRG-5863

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Exhaust Gaskets, Headers, Multi-Layer Steel, Round Port, Chevrolet, Big Block V8, Pair

Part Number: CGT-C5251-030

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Rear Main Seal, 2-Piece, Viton®, Chevy, Big Block V8, Each

Part Number: SCE-21305

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Head Gasket, Titan, Copper, 4.630 in. Bore, .043 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-T136243

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Head Gasket, Titan, Copper, 4.630 in. Bore, .050 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-P136250

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Water Pump Gaskets, AM General, Avanti, Bizzarrini, Buick, Cadillac, Checker, Chevy, Excalibur, GMC, Gordon-Keeble, ISO, Isuzu, Oldsmobile, Pair

Part Number: FEL-ES73030

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Gaskets, Intake, Composite, Rectangle Raised, 2.50 in. x 1.75 in. Port, .060 in. Thick, Chevy, 396-454, Set

Part Number: MRG-121

3.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Exhaust Gaskets, Header, Ultra-Seal, Round Port, Chevy, Big Block, Pair

Part Number: MRG-5912

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Head Gasket, PermaTorque Severe Duty, 4.370 in. Bore, 0.041 in. Compressed Thickness, Chevy, GMC, Big Block, Truck, SUV, Van, Each

Part Number: FEL-508SD

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Head Gasket; Steel Shim; Embossed; Elastomer Coated; 4.1 in. Gasket Bore; 0.02 in. Compressed Thickness, Each

Part Number: MRG-1130G

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Head Gasket, Titan, Copper, 4.630 in. Bore, .062 in. Compressed Thickness, Chevrolet, Big Block MK IV, Each

Part Number: SCE-T136262

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Gaskets, Intake, Ultra-Seal, Composite, Rectangle, 2.50 in. x 1.75 in. Port, .060 in. Thick, Chevy, 396-454

Part Number: MRG-5828

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Rear Main Seal, 2-Piece, Rubber, Chevy, Each

Part Number: FEL-BS400961

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Gasket, Exhaust Packing, Chevy, GMC, Truck, 1960-69, V8/L6/V6, Each

Part Number: FEL-8194

4.55 out of 5 stars ( 31 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Head Gasket; Embossed Steel Shim; Gasket Bore 4.370 in.; 0.020 in. Compressed Thickness, Each

Part Number: MRG-1131G

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air