search cart menu
Gaskets By

Vehicle

Engine

Service
Login News Contact Jobs Locate Dealer

Gaskets By

Category open
Engine open
Vehicle open
Applications open
search
Applications  /  Automotive  /  GMC  /  Sierra 2500 HD  /  2004

Filter Products

Categories

  • Fuel Injector Seal
  • Exhaust Pipe Flange Gasket
  • Valve Cover Grommet
  • Camshaft Retainer Gasket
  • Water Pump Gasket
  • Water Pump O-Ring
  • Engine Coolant Crossover Pipe Gasket
  • Coolant Thermostat Gasket
  • Exhaust Manifold Gasket Set
  • Oil Pan Gasket
  • Crankshaft Seal
  • Timing Cover Seal
  • Transmission Oil Pan Gasket
  • Oil Cooler Gasket
  • Head Gasket

Gasket Kits

  • Bottom End Gasket Kit
  • Top End Gasket Kit

Engines

Duramax

  • L5P - 404CI/6.6L V8
  • LB7 - 404CI/6.6L V8
  • LBZ - 404CI/6.6L V8
  • LGH - 404CI/6.6L V8
  • LLY - 404CI/6.6L V8
  • LML - 404CI/6.6L V8
  • LMM - 404CI/6.6L V8

Gen-5 Small Block V8

  • L86 - 376CI/6.2L V8
  • LT1 - 376CI/6.2L V8
  • LT4 - 376CI/6.2L V8

Gen-7 Big Block V8

  • Vortec 8100 (L18) - 496CI/8.1L V8

LS Gen-3 Small Block V8

  • LS1 - 346CI/5.7L V8
  • LS6 - 346CI/5.7L V8

LS Gen-4 Small Block V8

  • L76 - 364CI/6.0L V8
  • L77 - 364CI/6.0L V8
  • L98 - 364CI/6.0L V8
  • L99 - 376CI/6.2L V8
  • LS2 - 364CI/6.0L V8
  • LS3 - 376CI/6.2L V8
  • LS4 - 325CI/5.3L V8
  • LS7 - 428CI/7.0L V8
  • LS9 - 376CI/6.2L V8
  • LSA - 376CI/6.2L V8
  • LSX - 0CI/0.0L V8

Vortec Gen-3 Small Block V8

  • L33 - 325CI/5.3L V8
  • L59 - 325CI/5.3L V8
  • LM4 - 325CI/5.3L V8
  • LM7 - 325CI/5.3L V8
  • LQ4 - 364CI/6.0L V8
  • LQ9 - 364CI/6.0L V8
  • LR4 - 293CI/4.8L V8

Vortec Gen-4 Small Block V8

  • L20 - 293CI/4.8L V8
  • L76 - 364CI/6.0L V8
  • L92 - 376CI/6.2L V8
  • L94 - 376CI/62.0L V8
  • L96 - 364CI/6.0L V8
  • L9H - 376CI/6.2L V8
  • LC9 - 325CI/5.3L V8
  • LFA - 364CI/6.0L V8
  • LH6 - 325CI/5.3L V8
  • LH8 - 325CI/5.3L V8
  • LH9 - 325CI/5.3L V8
  • LMF - 325CI/5.3L V8
  • LMG - 325CI/5.3L V8
  • LY2 - 293CI/4.8L V8
  • LY5 - 325CI/5.3L V8
  • LY6 - 364CI/6.0L V8
  • LZ1 - 364CI/6.0L V8
  • Vortec 4800 - 293CI/4.8L V8
  • Vortec 5300 - 325CI/5.3L V8
  • Vortec 6000 - 364CI/6.0L V8
  • Vortec 6200 - 376CI/6.2L V8

Material

  • AFM
  • Fiber
  • Graphite
  • HTS
  • MLS
  • MLX
  • Molded Rubber
  • Rubber Coated Stainless

Head Gasket Material

  • MLS
  • MLX

Compressed Thickness

  • .020
  • .027
  • .030
  • .031
  • .036
  • .040
  • .045
  • .051
  • .053
  • .055
  • .056
  • .060
  • .062
  • .066
  • .070
  • .075
  • .080
  • .084
  • .089
  • .140
  • .237

Head Gasket Thickness

  • .040
  • .045
  • .053
  • .062

Port Shape

  • Rectangular
  • Round

Bore Shape

  • Round
  • Valve Pocketed

Head Gasket Bore

  • 4.100"
  • 4.130"

Port Size

  • 1.69 x 1.38
  • 1.82
  • 1.875

Bore Size (IN)

  • 3.940
  • 4.100
  • 4.130
  • 4.280
  • 4.295
  • 4.350
  • 4.365
  • 4.450

# of layers

  • 3
  • 5

Orientation

  • Left
  • None
  • Right

2004 GMC Sierra 2500 HD Gaskets

Showing gaskets 1 to 25 of 105

Fuel Injector Seal

GM Gen-3/Gen-4 Small Block V8 LS Fuel Injector O-Ring Kit, Upper and Lower O-Rings

Stock Code: C15027 UPC: 191070098322
More Details

$29.02

Exhaust Pipe Flange Gasket

GM Gen-3/Gen-4 Small Block LS V8 Graphite Exhaust Flange Gasket

Material: Graphite Stock Code: C15028 UPC: 191070051068
More Details

$10.33

Exhaust Pipe Flange Gasket

GM Gen-3/Gen-4 Small Block LS V8 Metal Ring Exhaust Flange Gasket

Stock Code: C15029 UPC: 191070098339
More Details

$8.89

Valve Cover Grommet

GM Gen-3/4 Small Block V8 Valve Cover Grommet Set

Stock Code: C15030 UPC: 191070098346
More Details

$12.59

Camshaft Retainer Gasket

GM LS Gen-3/4 Camshaft Plate Gasket, With Recessed Bolts

Stock Code: C15031 UPC: 191070051075
More Details

$31.19

Water Pump Gasket

GM Gen-3/4 Small Block V8 .031" Fiber Water Pump Gasket Set

Material: Fiber Compressed Thickness: .031 Stock Code: C15032-031 UPC: 191070051082
More Details

$5.85

Water Pump O-Ring

GM Gen-3/4 Small Block V8 .031" Fiber Water Backing O-Ring

Compressed Thickness: .031 Stock Code: C15033 UPC: 191070098353
More Details

$2.04

Engine Coolant Crossover Pipe Gasket

GM Gen-3/4 Small Block V8 Coolant Bypass Seals

Stock Code: C15034 UPC: 191070098360
More Details

$6.60

Coolant Thermostat Gasket

GM Gen-4 Small Block LS Thermostat Housing Gasket

Material: Molded Rubber Compressed Thickness: .237 Stock Code: C15036 UPC: 191070051099
More Details

$7.26

Exhaust Manifold Gasket Set

GM LB7/LBZ/LGH/LLY/LML/LMM Duramax .040" MLS Exhaust Manifold Gasket Set

Material: MLS Compressed Thickness: .040 Port Shape: Rectangular Port Size: 1.69 x 1.38 Stock Code: C15042-040 UPC: 191070544003
More Details

$58.96

Oil Pan Gasket

GM LB7/LBZ/LGH/LLY/LMM/LML Duramax .060" Fiber Oil Pan Gasket, Lower 17-Bolt

Material: Fiber Compressed Thickness: .060 Stock Code: C15043 UPC: 191070071912
More Details

$20.14

Crankshaft Seal

GM L5P/LB7/LBZ/LGH/LLY/LML/LMM Duramax Rear Main Seal

Stock Code: C15044 UPC: 191070051112
More Details

$70.61

Timing Cover Seal

GM L5P/LB7/LBZ/LGH/LLY/LML/LMM Duramax Timing Cover Seal

Stock Code: C15045 UPC: 191070098407
More Details

$49.26

Exhaust Manifold Gasket Set

GM Gen-3/4 Small Block V8 .060" HTS Exhaust Manifold Set, 1.820" Port

Material: HTS Compressed Thickness: .060 Port Shape: Round Port Size: 1.82 Stock Code: C15193HTS UPC: 191070000363
More Details

$32.21

Transmission Oil Pan Gasket

GM 4L80E .060" AFM Transmission Oil Pan Gasket

Material: AFM Compressed Thickness: .060 Stock Code: C15250 UPC: 191070099763
More Details

$20.19

Transmission Oil Pan Gasket

GM TH700-R4/4L60-E .060" AFM Transmission Oil Pan Gasket

Material: AFM Compressed Thickness: .060 Stock Code: C15251 UPC: 191070099770
More Details

$20.19

Oil Cooler Gasket

GM 2001+ 6.6L Duramax .020" Rubber Coated Stainless Oil Cooler Outlet Gasket

Material: Rubber Coated Stainless Compressed Thickness: .020 Stock Code: C15263 UPC: 191070566760
More Details

$6.24

Oil Cooler Gasket

GM 2001+ 6.6L Duramax .020" Rubber Coated Stainless Oil Cooler Inlet Gasket

Material: Rubber Coated Stainless Compressed Thickness: .020 Stock Code: C15264 UPC: 191070566777
More Details

$6.24

Head Gasket

GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053" MLX Cylinder Head Gasket, 4.130" Bore, RHS

Material: MLX Compressed Thickness: .053 Bore Shape: Round Bore Size (IN): 4.130 # of layers: 5 Orientation: Right Stock Code: C15375-053 UPC: 191070371098
More Details

$216.98

Head Gasket

GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .062" MLX Cylinder Head Gasket, 4.130" Bore, RHS

Material: MLX Compressed Thickness: .062 Bore Shape: Round Bore Size (IN): 4.130 # of layers: 5 Orientation: Right Stock Code: C15375-062 UPC: 191070433222
More Details

$216.98

Head Gasket

GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053" MLX Cylinder Head Gasket, 4.130" Bore, LHS

Material: MLX Compressed Thickness: .053 Bore Shape: Round Bore Size (IN): 4.130 # of layers: 5 Orientation: Left Stock Code: C15376-053 UPC: 191070394677
More Details

$216.98

Head Gasket

GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .062" MLX Cylinder Head Gasket, 4.130" Bore, LHS

Material: MLX Compressed Thickness: .062 Bore Shape: Round Bore Size (IN): 4.130 # of layers: 5 Orientation: Left Stock Code: C15376-062 UPC: 191070433215
More Details

$216.98

Head Gasket

GM Gen-3/4 Small Block LS V8 .062" MLX Cylinder Head Gasket, 3.940" Bore

Material: MLX Compressed Thickness: .062 Bore Shape: Round Bore Size (IN): 3.940 # of layers: 5 Orientation: None Stock Code: C15482-062 UPC: 191070515607
More Details

$122.00

Exhaust Manifold Gasket Set

GM Gen-3/4 Small Block V8 MLS Exhaust Manifold Gasket Set

Material: MLS Compressed Thickness: .040 Port Shape: Round Port Size: 1.875 Stock Code: C15547 UPC: 191070532727
More Details

$55.54

Head Gasket

GM L18 Vortec 8100 Gen-VII Big Block V8 .027" MLS Cylinder Head Gasket, 4.280" Bore, RHS

Material: MLS Compressed Thickness: .027 Bore Shape: Valve Pocketed Bore Size (IN): 4.280 # of layers: 3 Orientation: Right Stock Code: C5761-027 UPC: 191070139421
More Details

$109.94

Connect With Cometic

Stay Sealed
Under Pressure

Sign Up with Cometic Gasket and get exclusive updates on our latest product releases and industry news.

What's Your Vehicle? *Not Required

Join Newsletter