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 C5248-030 MLS Head Gasket Chevy Small Block Bore Thick - for 4.165 030
Cometic C5400-040 Chevy Small Block MLS Head Gasket Bore - V8 4.125 040
Cometic C5407-040 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5248-120 MLS Head Gasket Chevy Small Block Bore Thick - 4.165 120
Cometic C5248-140 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165
Cometic C5331-030 MLS Cylinder Head Gasket Chevy Big Block Mark IV Bore - 4.630
Cometic C5245-086 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060
Cometic C5249-086 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.200
Cometic C5245-098 MLS Head Gasket Chevy Small Block Bore Thick - 4.060 098
Cometic C5245-084 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.060
Cometic C5248-089 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.165
Cometic C5248-092 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.165
Cometic C5248-095 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5248-098 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5249-098 MLS Cylinder Head Gasket Chevy Small Block Bore - V8 4.200
Cometic C5245-066 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.060
Cometic C5248-056 MLS Cylinder Head Gasket for Chevrolet Small Block - Gen-1 V8
Cometic C5248-075 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.165
Cometic C5245-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 070 4.060
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.