GMC K3500 Engine Gaskets and Seals
This page covers engine gaskets and seals for the GMC K3500 across model years 1979–2000, bringing together cylinder head gaskets, intake manifold gasket sets, and related sealing components in one place. Select your year above and we'll show only the engine gaskets and seals that fit your GMC K3500. Fitment is checked against our vehicle data for every part listed.
Cometic C5528-125 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8
Cometic C5390 Valve Cover Gasket Chevy Small Block Fiber - Gen-1 V8
Cometic C5333-030 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.540
Cometic C5469 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.004
Cometic C5401-045 MLS Head Gasket Small Block Chevy Bore Thick - 4.135 045
Cometic C5433-036 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.570
Cometic C5400-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.125 051
Cometic C5401-027 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.135
Cometic C5954-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 V8
Cometic C5399-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 036 V8
Cometic C5329-027 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.375
Cometic C5400-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.125 036
Cometic C5332-027 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.375
Cometic C5332-035 GM Gen V/VI Big Block V8 Cylinder Head Gasket
Cometic C5427-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8
Cometic C5425-059 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8
Cometic C5329-045 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for V8 4.375
Cometic C5406-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5402-036 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 036
Cometic C5403-060 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 060
Cometic C5330-045 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.540
Cometic C5434-030 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.630
Cometic C5406-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8
Cometic C5408-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.200 045
Cometic C5333-045 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.540
Cometic C5270-030 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8
Cometic C15415-043 Copper Head Gasket for Chevy Big Block Mark IV 4.630" Bore
Cometic C15414-043 Chevrolet Mark IV Big Block V8 Cylinder Head Gasket 4.530" Bore
Cometic C5402-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.160 066
Cometic C5410-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 066 4.165
What's here for your GMC K3500
- Engine cylinder head gaskets, including OE-replacement and performance styles
- Engine intake manifold gasket sets
- Front and rear seals in rubber and multi-layer materials
- Complete gasket kits covering multiple sealing points in one package
The widest selection here comes from Cometic, Victor, MAHLE, and Speedmaster, spanning a broad range of materials, configurations, and fitment styles to suit K3500 engines from across the 1979–2000 production run. Other categories GMC K3500 owners shop for: GMC K3500 Exhaust and Tail Pipes, GMC K3500 Brake Hardware and GMC K3500 Valve Train Parts, or browse all GMC K3500 parts and accessories.