My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE
Categories
  • Tire and Wheel
  • RV & Marine
  • Suspension
  • Tools and Equipment
  • Body
  • Transmission
  • Brake
  • Accessories and Fluids
  • Engine
  • Electrical, Charging and Starting
  • Driveline and Axles
  • Belts and Cooling
  • Home Improvement
  • Air and Fuel Delivery
  • HVAC
  • Electrical, Lighting and Body
  • Engines & Engine Parts
  • Exhaust
  • Steering
  • Powersports & Motorcycle
  • Ignition
  • Emission Control
  • Entertainment and Telematics
  • Wiper and Washer
  • Hardware and Service Supplies
  • Household, Shop and Office Products
  • Transfer Case
  • Multifunction Terms
  • Lawn & Garden
Manufacturers
View all
Want to receive promotions and offers?

Chevrolet K20 Engine Gaskets and Seals

Engine gaskets and seals for the Chevrolet K20 cover model years 1975 through 1986, with options ranging from cylinder head gaskets to intake manifold gasket sets. Choose your model year above and this page keeps only the engine gaskets and seals that fit your Chevrolet K20. Each listing is matched to our vehicle fitment data before it appears here.

361 - 390 of 635 results

Best Seller Free Shipping
Picture of Cometic C5274-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 040

Cometic C5274-040 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 040

10 reviews
Part: C5274-040
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
Picture of Cometic C5269-036 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.060

Cometic C5269-036 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.060

68 reviews
Part: C5269-036
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Best Seller Free Shipping
Picture of Cometic C5245-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 045 V8

Cometic C5245-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.060 045 V8

48 reviews
Part: C5245-045
Vehicle Specific
$101.18
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5474-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.080

Cometic C5474-070 MLS Cylinder Head Gasket Chevy Small Block Bore - for 4.080

24 reviews
Part: C5474-070
Vehicle Specific
$130.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5407-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 045

Cometic C5407-045 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.160 045

60 reviews
Part: C5407-045
Vehicle Specific
$98.87
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5406-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8

Cometic C5406-051 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.135 V8

44 reviews
Part: C5406-051
Vehicle Specific
$98.87
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5247-045 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.125 045

Cometic C5247-045 MLS Cylinder Head Gasket Chevy Small Block Bore - 4.125 045

72 reviews
Part: C5247-045
Vehicle Specific
$102.08
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15412-043 Small Block Chevy Head Gasket Copper Bore - Gen-1 V8 043 4.200

Cometic C15412-043 Small Block Chevy Head Gasket Copper Bore - Gen-1 V8 043 4.200

38 reviews
Part: C15412-043
Vehicle Specific
$121.96
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15411-043 Small Block Chevy Head Gasket Copper Bore - Gen-1 V8 043 4.165

Cometic C15411-043 Small Block Chevy Head Gasket Copper Bore - Gen-1 V8 043 4.165

19 reviews
Part: C15411-043
Vehicle Specific
$121.96
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15414-043 Chevrolet Mark IV Big Block V8 Cylinder Head Gasket 4.530" Bore

Cometic C15414-043 Chevrolet Mark IV Big Block V8 Cylinder Head Gasket 4.530" Bore

47 reviews
Part: C15414-043
Vehicle Specific
$135.66
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15415-043 Copper Head Gasket for Chevy Big Block Mark IV 4.630" Bore

Cometic C15415-043 Copper Head Gasket for Chevy Big Block Mark IV 4.630" Bore

73 reviews
Part: C15415-043
Vehicle Specific
$135.66
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5551-042 Chevrolet Gen-1 Small Block V8 MLX Cylinder Head Gasket 4.220" Bore

Cometic C5551-042 Chevrolet Gen-1 Small Block V8 MLX Cylinder Head Gasket 4.220" Bore

29 reviews
Part: C5551042
Vehicle Specific
$125.53
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5273-036 Chevrolet Gen-1 Small Block V8 MLS Head Gasket 4.200" Bore

Cometic C5273-036 Chevrolet Gen-1 Small Block V8 MLS Head Gasket 4.200" Bore

73 reviews
Part: C5273036
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5270-030 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

Cometic C5270-030 MLS Cylinder Head Gasket Bore Chevy Small Block - 4.100 V8

74 reviews
Part: C5270-030
Vehicle Specific
$97.27
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15413-043 Copper Cylinder Head Gasket for Chevy Big Block Mark IV 4.320" Bore

Cometic C15413-043 Copper Cylinder Head Gasket for Chevy Big Block Mark IV 4.320" Bore

25 reviews
Part: C15413-043
Vehicle Specific
$135.66
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5215-045 MLS Head Gasket GM Small Block 4.270" Bore .045" Thick

Cometic C5215-045 MLS Head Gasket GM Small Block 4.270" Bore .045" Thick

29 reviews
Part: C5215045
Vehicle Specific
$103.59
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15561-040 Chevrolet Big Block V8 Head Gasket 4.560" Bore .040" MLX

Cometic C15561-040 Chevrolet Big Block V8 Head Gasket 4.560" Bore .040" MLX

45 reviews
Part: C15561-040
Vehicle Specific
$138.72
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5786-062 Chevy Small Block MLS Head Gasket Bore Thick - V8 4.220 062

Cometic C5786-062 Chevy Small Block MLS Head Gasket Bore Thick - V8 4.220 062

56 reviews
Part: C5786-062
Vehicle Specific
$125.53
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5649-031 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

Cometic C5649-031 Intake Manifold Gasket Set for Chevy Big Block Mark IV Gen V/VI

37 reviews
Part: C5649-031
Vehicle Specific
$26.99
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5414-094 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

Cometic C5414-094 Intake Manifold Gasket Set for Chevrolet Gen-1 Small Block V8

47 reviews
Part: C5414-094
Vehicle Specific
$23.80
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15575-040 Chevrolet Gen-1 Small Block V8 Cylinder Head Gasket 4.165 Bore

Cometic C15575-040 Chevrolet Gen-1 Small Block V8 Cylinder Head Gasket 4.165 Bore

13 reviews
Part: C15575-040
Vehicle Specific
$120.51
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5433-140 MLS Head Gasket for Chevy Big Block 4.570 Bore .140 Thick

Cometic C5433-140 MLS Head Gasket for Chevy Big Block 4.570 Bore .140 Thick

49 reviews
Part: C5433-140
Vehicle Specific
$230.62
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5215-070 GM Dart/Brodix Small Block V8 MLS Head Gasket 4.270" Bore

Cometic C5215-070 GM Dart/Brodix Small Block V8 MLS Head Gasket 4.270" Bore

14 reviews
Part: C5215-070
Vehicle Specific
$135.52
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1005T-4375-062 Chevy Big Block Mark IV Top End Gasket Kit

Cometic PRO1005T-4375-062 Chevy Big Block Mark IV Top End Gasket Kit

12 reviews
Part: PRO1005T-4375-062
Vehicle Specific
$254.79
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1003T-4060-062 Top End Gasket Kit for Chevrolet Small Block - 350 Gen-1 V8

Cometic PRO1003T-4060-062 Top End Gasket Kit for Chevrolet Small Block - 350 Gen-1 V8

69 reviews
Part: PRO1003T-4060-062
Vehicle Specific
$260.53
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1005T-4000-040 Top End Gasket Kit for Chevrolet 366 Big Block V8

Cometic PRO1005T-4000-040 Top End Gasket Kit for Chevrolet 366 Big Block V8

29 reviews
Part: PRO1005T-4000-040
Vehicle Specific
$350.02
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic PRO1003T-4040 Chevy 350 Small Block Top End Gasket Kit

Cometic PRO1003T-4040 Chevy 350 Small Block Top End Gasket Kit

49 reviews
Part: PRO1003T-4020
Vehicle Specific
$281.50
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C15499-040 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

Cometic C15499-040 MLS Cylinder Head Gasket Chevy Small Block Bore - for V8 4.200

65 reviews
Part: C15499-040
Vehicle Specific
$98.17
Ships from manufacturer
Picture for manufacturer Cometic
Picture of Cometic C5650AFM Chevrolet Big Block V8 Timing Cover Gasket Kit Representative Photo, actual item may vary

Cometic C5650AFM Chevrolet Big Block V8 Timing Cover Gasket Kit

20 reviews
Part: C5650AFM
Vehicle Specific
$24.26
Ships from manufacturer
Picture for manufacturer Cometic
Free Shipping
Picture of Cometic C5433-098 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.570

Cometic C5433-098 MLS Cylinder Head Gasket Chevy Big Block Bore - for V8 4.570

33 reviews
Part: C5433-098
Vehicle Specific
$149.01
Ships from manufacturer
Picture for manufacturer Cometic

What's here for your Chevrolet K20

  • Engine cylinder head gaskets, including OE replacement and performance styles
  • Engine intake manifold gasket sets
  • Front and rear seals in rubber and composite materials
  • Complete gasket kits covering multiple sealing points

The widest selection of engine gaskets and seals for the Chevrolet K20 here comes from Cometic, Victor, MAHLE, and Speedmaster. Other categories Chevrolet K20 owners shop for: Chevrolet K20 Body Frame Parts, Chevrolet K20 Springs and Suspension Parts and Chevrolet K20 Steering Gear and Parts, or browse all Chevrolet K20 parts and accessories.