Contact Us Live Chat or 1-888-860-1781

2023 GMC Sierra 2500 HD Engine Parts, Valves, Cam & Timing, Shafts, Crank & Bearings

Currently shopping for
2023 GMC Sierra 2500 HD
Change Vehicle
Categories Close X

Currently selected

Other Categories

A/C & Heating
Air & Fuel Delivery
Belts & Cooling
Body & Hardware
Brakes
Charging & Starting
Driveline & Axles
Electrical
Emission Control & Exhaust
Headlights & Lighting
Interior & Exterior Trim
Maintenance & Lubrication
Steering
Suspension
Transmission
Categories Close X

Currently selected

Other Categories

A/C & Heating
Air & Fuel Delivery
Belts & Cooling
Body & Hardware
Brakes
Charging & Starting
Driveline & Axles
Electrical
Emission Control & Exhaust
Headlights & Lighting
Interior & Exterior Trim
Maintenance & Lubrication
Steering
Suspension
Transmission
5 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
  • 1.Engine - Engine Parts (6.6 L Diesel,Lower Components)
    2023 GMC Sierra 2500 HD Engine Parts, Valves, Cam & Timing, Shafts, Crank & Bearings Diagram 1 - Thumbnail
  • 2.Engine - Engine Parts (6.6 L Diesel,Upper Components)
    2023 GMC Sierra 2500 HD Engine Parts, Valves, Cam & Timing, Shafts, Crank & Bearings Diagram 2 - Thumbnail
  • 3.Engine - Engine Parts (6.6 L Gas)
    2023 GMC Sierra 2500 HD Engine Parts, Valves, Cam & Timing, Shafts, Crank & Bearings Diagram 3 - Thumbnail
  • 4.Engine Parts, Valves, Cam & Timing, Shafts, Crank & Bearings (DIESEL)
    2023 GMC Sierra 2500 HD Engine Parts, Valves, Cam & Timing, Shafts, Crank & Bearings Diagram 4 - Thumbnail
  • 5.Engine Parts, Valves, Cam & Timing, Shafts, Crank & Bearings (FLEX,GAS)
    2023 GMC Sierra 2500 HD Engine Parts, Valves, Cam & Timing, Shafts, Crank & Bearings Diagram 5 - Thumbnail
Sort by:
Ref No.
Ref No.
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • 1 GMC 12719696 Upper Oil Pan
    12719696
    Upper Oil Pan
    • Part Notes: 6.6 Liter Diesel, Lower Components
    • Replaced By: 12738464
    $232.88 $148.04
    1
    Add To Cart
  • 3 GMC 12675087 Lower Oil Pan
    12675087
    Lower Oil Pan
    • Part Notes: 6.6 Liter Diesel, Lower Components, To 07/11/2022
    • Replaced By: 12725600
    $115.15 $73.53
    1
    Add To Cart
  • 3 GMC 12725600 Lower Oil Pan
    12725600
    Lower Oil Pan
    • Part Notes: 6.6 Liter Diesel, Lower Components, From 07/11/2022
    $115.15 $73.53
    1
    Add To Cart
  • 5 GMC 12728923 Dipstick
    12728923
    Dipstick
    • Part Notes: 6.6 Liter Diesel, Lower Components
    $10.28 $6.56
    1
    Add To Cart
  • 5
    12636187
    Valves
    • Part Notes: Silverado, Sierra 2500 Hd; Exhaust
    $15.94 $10.17
    1
    Add To Cart
  • 5
    12636188
    Valves
    • Part Notes: Silverado, Sierra 2500 Hd; Intake
    • Replaced By: 12734017
    $12.55 $8.02
    1
    Add To Cart
  • 6 GMC 12687775 Timing Cover
    12687775
    Timing Cover
    • Part Notes: 6.6 Liter Diesel, Upper Components
    • Replaced By: 12739836
    $142.68 $91.09
    1
    Add To Cart
  • 7
    97209341
    Cover Seal
    • Part Notes: 6.6 Liter Diesel, Upper Components
    $73.80 $41.33
    1
    Add To Cart
  • 7 GMC 12677710 Oil Tube
    12677710
    Oil Tube
    • Part Notes: 6.6 Liter Diesel, Lower Components
    $33.59 $21.45
    1
    Add To Cart
  • 8 GMC 12677065 Valve Cover
    12677065
    Valve Cover
    • Part Notes: 6.6 Liter Diesel, Upper Components
    • Location: Driver Side
    $185.66 $118.01
    1
    Add To Cart
  • 8 GMC 12680249 Valve Cover
    12680249
    Valve Cover
    • Part Notes: 6.6 Liter Diesel, Upper Components
    • Location: Passenger Side
    $187.82 $119.37
    1
    Add To Cart
  • 9 GMC 12703339 Insulator
    12703339
    Insulator
    • Part Notes: 6.6 Liter Gas
    • Location: Driver Side
    $100.31 $64.04
    1
    Add To Cart
  • 9 GMC 12703340 Insulator
    12703340
    Insulator
    • Part Notes: 6.6 Liter Gas
    • Location: Passenger Side
    $94.21 $60.14
    1
    Add To Cart
  • 9 GMC 12691860 Valve Cover Gasket
    12691860
    Valve Cover Gasket
    • Part Notes: 6.6 Liter Diesel, Upper Components
    • Location: Driver Side;Passenger Side
    $31.50 $20.12
    1
    Add To Cart
  • 10 GMC 12675428 Adapter
    12675428
    Adapter
    • Part Notes: 6.6 Liter Diesel, Lower Components
    $18.18 $11.61
    1
    Add To Cart
  • 11
    12677347
    Filler Cap
    • Part Notes: 6.6 Liter Diesel, Upper Components
    $16.07 $8.99
    1
    Add To Cart
  • 13
    12662196
    Filler Cap
    • Part Notes: 6.6 Liter Gas
    • Replaced By: 12713786
    $26.30 $14.74
    1
    Add To Cart
  • 13
    12684038
    Oil Filter
    • Part Notes: 6.6 Liter Diesel, Lower Components
    $21.52 $12.05
    1
    Add To Cart
  • 14 GMC 12672469 Camshaft
    12672469
    Camshaft
    • Part Notes: Silverado, Sierra 2500 Hd
    $206.63 $131.35
    1
    Add To Cart
  • 14
    12633925
    Camshaft
    • Part Notes: Silverado, Sierra 2500 Hd
    $232.19 $147.58
    1
    Add To Cart
  • 14 GMC 12582654 Connector
    12582654
    Connector
    • Part Notes: 6.6 Liter Diesel, Lower Components
    $19.16 $12.23
    1
    Add To Cart
  • 15 GMC 12707243 Oil Pan
    12707243
    Oil Pan
    • Part Notes: 6.6 Liter Gas
    • Replaced By: 12732268
    $273.56 $173.86
    1
    Add To Cart
  • 16 GMC 12643886 Intake Manifold
    12643886
    Intake Manifold
    • Part Notes: 6.6 Liter Diesel, Upper Components, Lower
    • Location: Passenger Side
    $107.60 $68.69
    1
    Add To Cart
  • 16 GMC 12643888 Intake Manifold
    12643888
    Intake Manifold
    • Part Notes: 6.6 Liter Diesel, Upper Components, Lower
    • Location: Driver Side
    $106.54 $68.02
    1
    Add To Cart
  • 17 GMC 12687775 Front Cover
    12687775
    Front Cover
    • Part Notes: Silverado, Sierra 2500 Hd
    • Replaced By: 12739836
    $142.68 $91.09
    1
    Add To Cart
  • 18
    12691939
    Camshaft Gear
    • Part Notes: Silverado, Sierra 2500 Hd
    • Replaced By: 12721405
    $242.36 $154.03
    1
    Add To Cart
  • 21
    12693468
    Piston
    • Part Notes: Silverado, Sierra 2500 Hd
    $210.45 $133.74
    1
    Add To Cart
  • 22
    12689342
    Actuator
    • Part Notes: Silverado, Sierra 2500 Hd
    $190.42 $121.04
    1
    Add To Cart
  • 23
    12697047
    Control Valve
    • Part Notes: Silverado, Sierra 2500 Hd
    • Replaced By: 12731637
    $39.67 $25.33
    1
    Add To Cart
  • 23 GMC 12722255 Oil Tube
    12722255
    Oil Tube
    • Part Notes: 6.6 Liter Gas
    • Replaced By: 12734060
    $11.99 $7.65
    1
    Add To Cart
  • 24 GMC 12675031 Solenoid
    12675031
    Solenoid
    • Part Notes: Silverado, Sierra 2500 Hd
    $28.75 $18.36
    1
    Add To Cart
  • 26
    12699527
    Piston
    • Part Notes: Silverado, Sierra 2500 Hd; Standard; Right
    $94.69 $60.46
    1
    Add To Cart
  • 26
    12699528
    Piston
    • Part Notes: Silverado, Sierra 2500 Hd; Oversized 0.5mm; Right
    $120.85 $77.15
    1
    Add To Cart
  • 26
    12699529
    Piston
    • Part Notes: Silverado, Sierra 2500 Hd; Standard; Left
    $42.61 $27.20
    1
    Add To Cart
  • 26
    12699530
    Piston
    • Part Notes: Silverado, Sierra 2500 Hd; Oversized 0.5mm; Left
    $120.85 $77.15
    1
    Add To Cart
  • 28 GMC 12692644 Pulley
    12692644
    Pulley
    • Part Notes: Silverado, Sierra 2500 Hd
    $51.40 $32.82
    1
    Add To Cart
  • 29 GMC 12675087 Oil Pan
    12675087
    Oil Pan
    • Part Notes: Silverado, Sierra 2500 Hd; Lower; To 07/10/23
    • Replaced By: 12725600
    $115.15 $73.53
    1
    Add To Cart
  • 29 GMC 12719696 Oil Pan
    12719696
    Oil Pan
    • Part Notes: Silverado, Sierra 2500 Hd; Upper
    • Replaced By: 12738464
    $232.88 $148.04
    1
    Add To Cart
  • 29 GMC 12725600 Oil Pan
    12725600
    Oil Pan
    • Part Notes: Silverado, Sierra 2500 Hd; Lower; From 07/11/23
    $115.15 $73.53
    1
    Add To Cart
  • 32
    12678662
    Oil Pump
    • Part Notes: Silverado, Sierra 2500 Hd
    • Replaced By: 12731119
    $143.80 $91.82
    1
    Add To Cart
  • 35 GMC 12707243 Oil Pan
    12707243
    Oil Pan
    • Part Notes: Silverado, Sierra 2500 Hd
    • Replaced By: 12732268
    $273.56 $173.86
    1
    Add To Cart
  • 37
    12731660
    Oil Pump
    • Part Notes: Silverado, Sierra 2500 Hd
    $122.76 $78.38
    1
    Add To Cart
  • 12699313
    Engine
    • Part Notes: Silverado, Sierra 2500 Hd
    • Replaced By: 12740077
    $2684.56
    1
    Add To Cart
  • 12700876
    Engine
    • Part Notes: Silverado, Sierra 2500 Hd
    • Replaced By: 12731639
    $13374.36
    1
    Add To Cart
  • GMC 84070092 Front Mount
    84070092
    Front Mount
    • Part Notes: Silverado, Sierra 2500 Hd; Left
    $96.05 $61.33
    1
    Add To Cart
  • GMC 84948287 Front Mount
    84948287
    Front Mount
    • Part Notes: Silverado, Sierra 2500 Hd
    • Replaced By: 85043935
    $102.92 $65.72
    1
    Add To Cart
  • GMC 84948288 Front Mount
    84948288
    Front Mount
    • Part Notes: Silverado, Sierra 2500 Hd; Right
    • Replaced By: 85043936
    $119.00 $75.98
    1
    Add To Cart
  • 19369831
    RTV Sealer
    • Part Notes: 6.6 Liter Diesel, Upper Components, Lower Manifold
    $39.90 $22.34
    1
    Add To Cart