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 C5215-120 MLS Cylinder Head Gasket Bore Thick - 4.270 120
Cometic C5786-051 Chevy Small Block Head Gasket MLX Bore - V8 051 4.220
Cometic C5334-140 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.630
Cometic C5334-092 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.630
Cometic C5334-056 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.630
Cometic C5331-095 MLS Cylinder Head Gasket for Chevrolet Big Block Mark IV Bore - V8 4.630
Cometic C5331-050 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630
Cometic C15313-040 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.125
Cometic C5036-040 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.570
Cometic C5474-056 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.080
Cometic C5333-056 GM Gen V/VI Big Block MLS Head Gasket Bore - V8 4.540
Cometic C5331-072 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - for 4.630
Cometic C5273-120 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200
Cometic C5404-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.030 V8
Cometic C5402-092 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.160
Cometic C5399-098 MLS Head Gasket Chevy Small Block Bore Thick - 4.030 098
Cometic C5273-032 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200
Cometic C5272-056 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165
Cometic C5270-080 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.100
Cometic C5270-070 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5269-023 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5331-023 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630
Cometic C5248-071 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165
Cometic C5246-053 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.100 053
Cometic C5273-092 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5273-060 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.200 060
Cometic C5272-075 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.165
Cometic C15439-056 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.185
Cometic C5273-030 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5249-062 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200
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.