2018 GMC Sierra 2500 HD Engine Parts & Mounts, Timing, Lubrication System

Currently shopping for
2018 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
4 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
  • 1.Engine Parts (2017-19)
    2018 GMC Sierra 2500 HD Engine Parts & Mounts, Timing, Lubrication System Diagram 1 - Thumbnail
  • 2.Engine Parts (6.0L)
    2018 GMC Sierra 2500 HD Engine Parts & Mounts, Timing, Lubrication System Diagram 2 - Thumbnail
  • 3.Engine Parts & Mounts, Timing, Lubrication System (6.0 L)
    2018 GMC Sierra 2500 HD Engine Parts & Mounts, Timing, Lubrication System Diagram 3 - Thumbnail
  • 4.Engine Parts & Mounts, Timing, Lubrication System (6.6 L)
    2018 GMC Sierra 2500 HD Engine Parts & Mounts, Timing, Lubrication System Diagram 4 - Thumbnail
Sort by:
Ref No.
Ref No.
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • 1
    12702633
    Cylinder Head
    Head Assembly-Cylinder (Machining)
    • Part Notes: Silverado, Sierra
    • Replaced By: 12716846
    MSRP: $833.93 Your Price: $506.23
    1
    Add To Cart
  • 1
    12711769
    Cylinder Head
    Head, Engine Cylinder
    • Part Notes: Silverado, Sierra; Eng. Lc8
    MSRP: $1632.82 Your Price: $1029.05
    1
    Add To Cart
  • 1 GMC 12711770 Cylinder Head
    12711770
    Cylinder Head
    Head Assembly-Cylinder (W/ Valve) *12602048 Qty
    • Part Notes: Silverado, Sierra; Eng. L96
    MSRP: $1660.97 Your Price: $1047.05
    1
    Add To Cart
  • 1
    19300488
    Vibration Damper
    Damper, Engine Crankshaft And Camshaft Balancer
    • Part Notes: 6.0 Liter
    MSRP: $203.98 Your Price: $116.90
    1
    Add To Cart
  • 1 GMC 12723412 Vibration Damper
    12723412
    Vibration Damper
    Balancer, Crankshaft
    • Part Notes: 2017-19
    MSRP: $169.57 Your Price: $106.80
    1
    Add To Cart
  • 2
    12610046
    Head Gasket
    Gasket, Engine Cylinder Head
    • Part Notes: Silverado, Sierra
    MSRP: $143.41 Your Price: $82.19
    1
    Add To Cart
  • 2
    12676857
    Head Gasket
    Gasket-Cylinder Head (Grade "A")
    • Part Notes: Silverado, Sierra; Left; Grade A;Silverado, Sierra; Right; Grade A
    • Replaced By: 12747434
    MSRP: $88.36 Your Price: $53.63
    1
    Add To Cart
  • 2
    12676858
    Head Gasket
    Gasket-Cylinder Head (Grade "B") . *For Grade Se
    • Part Notes: Silverado, Sierra; Left; Grade B;Silverado, Sierra; Right; Grade B
    • Replaced By: 12727485
    MSRP: $104.38 Your Price: $63.37
    1
    Add To Cart
  • 2
    12676859
    Head Gasket
    Gasket-Cylinder Head (Grade "C") .
    • Part Notes: Silverado, Sierra; Left; Grade C;Silverado, Sierra; Right; Grade C
    • Replaced By: 12747436
    MSRP: $123.77 Your Price: $50.08
    1
    Add To Cart
  • 3
    12594939
    Timing Cover
    Cover-Engine Front (Machining)
    • Part Notes: 6.0 Liter
    MSRP: $79.95 Your Price: $45.81
    1
    Add To Cart
  • 3
    12642655
    Valve Cover
    Cover, Engine Valve Rocker & Camshaft
    • Part Notes: Silverado, Sierra; Left
    MSRP: $136.27 Your Price: $78.09
    1
    Add To Cart
  • 3
    12637684
    Valve Cover
    Cover, Engine Valve Rocker & Camshaft
    • Part Notes: Silverado, Sierra; Right
    MSRP: $140.44 Your Price: $80.49
    1
    Add To Cart
  • 3 GMC 12677065 Valve Cover
    12677065
    Valve Cover
    Cover, Engine Valve Rocker & Camshaft
    • Part Notes: All; Left
    • Replaced By: 12707084
    MSRP: $575.78 Your Price: $349.54
    1
    Add To Cart
  • 3 GMC 12677067 Valve Cover
    12677067
    Valve Cover
    Cover, Engine Valve Rocker & Camshaft
    • Part Notes: All; Right
    MSRP: $195.24 Your Price: $122.98
    1
    Add To Cart
  • 4 GMC 12671403 Timing Cover
    12671403
    Timing Cover
    Cover Assembly-Engine Front
    • Part Notes: 2017-19
    MSRP: $134.50 Your Price: $84.72
    1
    Add To Cart
  • 4
    12633904
    Timing Cover Gasket
    Gasket, Engine Front Cover
    • Part Notes: 6.0 Liter
    • Replaced By: 12735382
    MSRP: $53.97 Your Price: $32.76
    1
    Add To Cart
  • 4
    12637683
    Valve Cover Gasket
    Gasket, Engine Camshaft & Valve Rocker Cover
    • Part Notes: Silverado, Sierra
    MSRP: $40.93 Your Price: $24.85
    1
    Add To Cart
  • 4 GMC 12691860 Valve Cover Gasket
    12691860
    Valve Cover Gasket
    Gasket, Engine Camshaft & Valve Rocker Cover
    • Part Notes: Silverado, Sierra; All
    MSRP: $35.51 Your Price: $21.56
    1
    Add To Cart
  • 5
    97209341
    Cover Seal
    Seal, Engine Crankshaft Front
    • Part Notes: 2017-19
    MSRP: $71.22 Your Price: $40.81
    1
    Add To Cart
  • 5
    12627970
    Intake Valve
    Valve, Intake
    • Part Notes: Silverado, Sierra
    MSRP: $44.58 Your Price: $25.54
    1
    Add To Cart
  • 5
    12636187
    Valves
    Valve-Exhaust
    • Part Notes: Silverado, Sierra; Exhaust
    • Replaced By: 12730002
    MSRP: $16.66 Your Price: $10.63
  • 5
    12636188
    Valves
    Valve, Intake
    • Part Notes: Silverado, Sierra; Intake
    • Replaced By: 12734017
    MSRP: $13.47 Your Price: $8.19
    1
    Add To Cart
  • 6
    12612427
    Exhaust Valve
    Valve-Exhaust
    • Part Notes: Silverado, Sierra
    MSRP: $50.57 Your Price: $32.29
    12
    Add To Cart
  • 6
    12677347
    Filler Cap
    Cap, Engine Oil Filler
    • Part Notes: 2017-19
    MSRP: $16.33 Your Price: $9.02
    1
    Add To Cart
  • 6
    12642655
    Valve Cover
    Cover, Engine Valve Rocker & Camshaft
    • Part Notes: 6.0 Liter
    • Location: Driver Side
    MSRP: $136.27 Your Price: $78.09
    1
    Add To Cart
  • 6
    12637684
    Valve Cover
    Cover, Engine Valve Rocker & Camshaft
    • Part Notes: 6.0 Liter
    • Location: Passenger Side
    MSRP: $140.44 Your Price: $80.49
    1
    Add To Cart
  • 6 GMC 12633926 Valve Seals
    12633926
    Valve Seals
    Seal, Engine Valve
    • Part Notes: Silverado, Sierra
    MSRP: $8.40 Your Price: $5.36
    1
    Add To Cart
  • 7
    12637683
    Valve Cover Gasket
    Gasket, Engine Camshaft & Valve Rocker Cover
    • Part Notes: 6.0 Liter
    • Location: Driver Side;Passenger Side
    MSRP: $40.93 Your Price: $24.85
    1
    Add To Cart
  • 7
    12482063
    Valve Seals
    Seal Kit, Engine Valve
    • Part Notes: Silverado, Sierra; Eng. Lc8
    MSRP: $64.69 Your Price: $39.27
    1
    Add To Cart
  • 7
    12482062
    Valve Seals
    Seal Kit, Engine Valve
    • Part Notes: Silverado, Sierra; Eng. L96
    MSRP: $70.92 Your Price: $43.06
    1
    Add To Cart
  • 7
    12633927
    Valve Springs
    Spring, Engine Valve
    • Part Notes: Silverado, Sierra
    • Replaced By: 12729741
    MSRP: $8.06 Your Price: $4.89
    1
    Add To Cart
  • 8
    12609624
    Filler Tube
    Tube, Engine Crankcase
    • Part Notes: 6.0 Liter
    MSRP: $30.75 Your Price: $18.65
    1
    Add To Cart
  • 8 GMC 19432816 Separator
    19432816
    Separator
    Separator Kit, Engine Crankcase
    • Part Notes: 2017-19
    • Replaced By: 19540578
    MSRP: $518.08 Your Price: $326.32
    1
    Add To Cart
  • 8
    12706568
    Valve Springs
    Spring, Engine Valve
    • Part Notes: Silverado, Sierra
    MSRP: $7.93 Your Price: $5.06
    1
    Add To Cart
  • 9 GMC 12677065 Valve Cover
    12677065
    Valve Cover
    Cover, Engine Valve Rocker & Camshaft
    • Part Notes: 2017-19
    • Location: Driver Side
    • Replaced By: 12707084
    MSRP: $575.78 Your Price: $349.54
    1
    Add To Cart
  • 9 GMC 12677067 Valve Cover
    12677067
    Valve Cover
    Cover, Engine Valve Rocker & Camshaft
    • Part Notes: 2017-19
    • Location: Passenger Side
    MSRP: $195.24 Your Price: $122.98
    1
    Add To Cart
  • 9 GMC 12636193 Valve Keeper
    12636193
    Valve Keeper
    Key, Engine Valve Spring
    • Part Notes: Silverado, Sierra
    MSRP: $7.93 Your Price: $4.99
    1
    Add To Cart
  • 9
    10166344
    Valve Retainer
    Cap, Engine Valve Spring
    • Part Notes: Silverado, Sierra
    Your Price: $12.60
    1
    Add To Cart
  • 10
    12643759
    Filler Cap
    Cap Assembly-Oil Filler
    • Part Notes: 6.0 Liter
    MSRP: $36.86 Your Price: $19.63
    1
    Add To Cart
  • 10
    12636189
    Rocker Arms
    Arm Assembly-Intake Valve Rocker
    • Part Notes: Silverado, Sierra; Intake
    MSRP: $28.33 Your Price: $17.85
    1
    Add To Cart
  • 10
    12636190
    Rocker Arms
    Arm, Engine Valve Rocker
    • Part Notes: Silverado, Sierra; Exhaust
    MSRP: $28.33 Your Price: $17.85
    1
    Add To Cart
  • 10 GMC 12691860 Valve Cover Gasket
    12691860
    Valve Cover Gasket
    Gasket, Engine Camshaft & Valve Rocker Cover
    • Part Notes: 2017-19
    • Location: Driver Side;Passenger Side
    MSRP: $35.51 Your Price: $21.56
    1
    Add To Cart
  • 10
    10166345
    Valve Keeper
    Key, Engine Valve Spring Cap
    • Part Notes: Silverado, Sierra
    MSRP: $7.62 Your Price: $4.86
    10
    Add To Cart
  • 11
    24100002
    Filler Cap Seal
    Engine Oil Filler Cap Seal
    • Part Notes: 6.0 Liter
    MSRP: $6.01 Your Price: $3.38
    5
    Add To Cart
  • 11
    12681275
    Rocker Arms
    Arm, Engine Valve Rocker
    • Part Notes: Silverado, Sierra; Exhaust
    MSRP: $24.39 Your Price: $14.80
    1
    Add To Cart
  • 11 GMC 12696105 Rocker Arms
    12696105
    Rocker Arms
    Arm Assembly-Intake Valve Rocker
    • Part Notes: Silverado, Sierra; Intake
    MSRP: $23.03 Your Price: $13.98
    1
    Add To Cart
  • 11
    12648424
    Rocker Shaft
    Shaft, Engine Valve Rocker Arm
    • Part Notes: Silverado, Sierra
    MSRP: $39.62 Your Price: $24.06
    1
    Add To Cart
  • 11 GMC 12692968 Upper Oil Pan
    12692968
    Upper Oil Pan
    Pan Assembly-Upper Oil
    • Part Notes: 2017-19
    MSRP: $158.50 Your Price: $96.22
    1
    Add To Cart
  • 12 GMC 12684562 Lower Oil Pan
    12684562
    Lower Oil Pan
    Pan, Engine Oil
    • Part Notes: 2017-19
    • Replaced By: 12730576
    MSRP: $187.31 Your Price: $107.34
    1
    Add To Cart
  • 12
    12640746
    Oil Pan
    Pan, Engine Oil
    • Part Notes: 6.0 Liter
    MSRP: $392.69 Your Price: $225.02
    1
    Add To Cart
  • 12
    10238852
    Push Rods
    Rod, Valve Push
    • Part Notes: Silverado, Sierra
    MSRP: $31.67 Your Price: $19.23
    1
    Add To Cart
  • 12
    12633924
    Push Rods
    Rod, Engine Valve Push Rod
    • Part Notes: Silverado, Sierra
    MSRP: $9.58 Your Price: $5.81
    1
    Add To Cart
  • 13
    11562588
    Drain Plug
    Plug, Oil Pan Drain
    • Part Notes: 2017-19
    MSRP: $11.67 Your Price: $7.07
    10
    Add To Cart
  • 13
    12612350
    Oil Pan Gasket
    Gasket, Engine Oil Pan
    • Part Notes: 6.0 Liter
    MSRP: $84.64 Your Price: $48.49
    1
    Add To Cart
  • 13
    12670435
    Valve Lifters
    Lifter Assembly-Valve
    • Part Notes: Silverado, Sierra
    MSRP: $14.95 Your Price: $9.41
    1
    Add To Cart
  • 13
    12698945
    Valve Lifters
    Lifter Assembly-Valve (Non Afm)
    • Part Notes: Silverado, Sierra
    MSRP: $49.49 Your Price: $30.04
    1
    Add To Cart
  • 14
    12626660
    Camshaft
    Camshaft, Engine
    • Part Notes: Silverado, Sierra
    MSRP: $263.88 Your Price: $167.72
  • 14
    12633925
    Camshaft
    Camshaft, Engine
    • Part Notes: Silverado, Sierra
    MSRP: $255.37 Your Price: $155.03
    1
    Add To Cart
  • 14 GMC 12696433 Level Indicator
    12696433
    Level Indicator
    Switch Assembly-Engine Oil Level Indicator
    • Part Notes: 2017-19
    MSRP: $16.21 Your Price: $9.84
    1
    Add To Cart
  • 15
    12631285
    Bearing
    Bearing, Camshaft
    • Part Notes: Silverado, Sierra; No. 1
    MSRP: $8.46 Your Price: $5.40
    1
    Add To Cart
  • 15
    12631286
    Bearing
    Bearing, Camshaft
    • Part Notes: Silverado, Sierra; No. 2, 3, 4, 5
    MSRP: $8.45 Your Price: $5.13
    1
    Add To Cart
  • 15
    19260874
    Bearings
    Bearing, Engine Camshaft & Balance Shaft Front
    • Part Notes: Silverado, Sierra; No.1, 5
    MSRP: $59.44 Your Price: $36.07
    1
    Add To Cart
  • 15
    19260875
    Bearings
    Bearing, Engine Camshaft & Balance Shaft Front
    • Part Notes: Silverado, Sierra; No.2, 4
    MSRP: $59.44 Your Price: $36.07
    1
    Add To Cart
  • 15
    19260876
    Bearings
    Bearing, Engine Camshaft & Balance Shaft Front
    • Part Notes: Silverado, Sierra; No.3
    MSRP: $59.44 Your Price: $36.07
    1
    Add To Cart
  • 15 GMC 12642421 Dipstick
    12642421
    Dipstick
    Indicator Assembly-Oil Level
    • Part Notes: 2017-19
    MSRP: $91.37 Your Price: $58.33
    1
    Add To Cart
  • 15
    12608835
    Relief Valve
    Valve, Engine Oil Pressure
    • Part Notes: 6.0 Liter
    MSRP: $17.96 Your Price: $10.89
    5
    Add To Cart
  • 16
    24504031
    Dipstick Seal
    Seal-Oil Level Indicator (O Ring)
    • Part Notes: 2017-19
    MSRP: $0.67 Your Price: $0.40
    1
    Add To Cart
  • 16
    11562588
    Drain Plug
    Plug, Oil Pan Drain
    • Part Notes: 6.0 Liter
    MSRP: $11.67 Your Price: $7.07
    10
    Add To Cart
  • 16
    12585673
    Front Cover Seal
    Seal, Engine Crankshaft Front
    • Part Notes: Silverado, Sierra
    MSRP: $44.32 Your Price: $26.90
    1
    Add To Cart
  • 16
    97209341
    Front Cover Seal
    Seal, Engine Crankshaft Front
    • Part Notes: Silverado, Sierra
    MSRP: $71.22 Your Price: $40.81
    1
    Add To Cart
  • 17
    12616850
    Drain Plug Seal
    Seal, Oil Pan Drain Plug (O Ring)
    • Part Notes: 6.0 Liter
    MSRP: $8.24 Your Price: $5.03
    1
    Add To Cart
  • 17 GMC 12671403 Front Cover
    12671403
    Front Cover
    Cover Assembly-Engine Front
    • Part Notes: Silverado, Sierra
    MSRP: $134.50 Your Price: $84.72
    1
    Add To Cart
  • 17
    12633904
    Front Cover Gasket
    Gasket, Engine Front Cover
    • Part Notes: Silverado, Sierra
    • Replaced By: 12735382
    MSRP: $53.97 Your Price: $32.76
    1
    Add To Cart
  • 17 GMC 12676952 Oil Tube
    12676952
    Oil Tube
    Tube Assembly-Oil Level Indicator
    • Part Notes: 2017-19
    MSRP: $154.05 Your Price: $98.35
    1
    Add To Cart
  • 18
    12594939
    Front Cover
    Cover-Engine Front (Machining)
    • Part Notes: Silverado, Sierra
    MSRP: $79.95 Your Price: $45.81
    1
    Add To Cart
  • 18
    12690386
    Oil Filter
    Filter Assembly-Oil
    • Part Notes: 6.0 Liter
    • Replaced By: 19433934
    MSRP: $10.04 Your Price: $5.62
  • 18 GMC 12676951 Oil Tube Seal
    12676951
    Oil Tube Seal
    Seal, Engine Oil Level
    • Part Notes: 2017-19
    MSRP: $3.47 Your Price: $2.11
    1
    Add To Cart
  • 18
    12634113
    Timing Gear Set
    Gear, Engine Crankshaft
    • Part Notes: Silverado, Sierra; Crankshaft Gear; Part Of Crankshaft.
    MSRP: $66.64 Your Price: $40.45
    1
    Add To Cart
  • 18
    12691939
    Timing Gear Set
    Gear Assembly-Camshaft
    • Part Notes: Silverado, Sierra; Camshaft Gear
    • Replaced By: 12721405
    MSRP: $276.98 Your Price: $168.13
    1
    Add To Cart
  • 19
    12606358
    Camshaft Gear
    Actuator, Engine Camshaft
    • Part Notes: Silverado, Sierra
    MSRP: $338.52 Your Price: $194.00
    1
    Add To Cart
  • 19
    12622055
    Dipstick
    Indicator, Engine Oil Level
    • Part Notes: 6.0 Liter
    MSRP: $36.03 Your Price: $21.88
    1
    Add To Cart
  • 19 GMC 12671398 Suction Pipe
    12671398
    Suction Pipe
    Screen Assembly-Oil Pump
    • Part Notes: 2017-19
    • Replaced By: 12706083
    MSRP: $40.30 Your Price: $24.47
    1
    Add To Cart
  • 20
    24504031
    Dipstick Seal
    Seal-Oil Level Indicator (O Ring)
    • Part Notes: 6.0 Liter
    MSRP: $0.67 Your Price: $0.40
    1
    Add To Cart
  • 20 GMC 12732980 Oil Cooler
    12732980
    Oil Cooler
    Cooler Assembly-Engine Oil
    • Part Notes: 2017-19
    MSRP: $535.56 Your Price: $355.08
    1
    Add To Cart
  • 20
    12646386
    Timing Chain
    Chain, Engine Timing
    • Part Notes: Silverado, Sierra
    • Replaced By: 12646387
    MSRP: $110.91 Your Price: $58.18
    1
    Add To Cart
  • 21 GMC 12684475 Adapter
    12684475
    Adapter
    Adapter Assembly-Engine Oil Cooler
    • Part Notes: 2017-19
    MSRP: $27.34 Your Price: $16.59
    1
    Add To Cart
  • 21
    12609269
    Oil Tube
    Tube, Oil Level Indicator
    • Part Notes: 6.0 Liter
    MSRP: $32.78 Your Price: $19.89
    1
    Add To Cart
  • 21
    12686800
    Piston
    Piston Kit, Engine Piston
    • Part Notes: Silverado, Sierra
    MSRP: $108.51 Your Price: $65.88
    1
    Add To Cart
  • 21
    89017484
    Piston Rings
    Ring Kit, Piston
    • Part Notes: Silverado, Sierra; Standard
    MSRP: $55.39 Your Price: $33.62
    1
    Add To Cart
  • 21
    89017485
    Piston Rings
    Ring Kit, Engine Piston
    • Part Notes: Silverado, Sierra; Oversized 0.5mm
    MSRP: $61.76 Your Price: $37.49
    1
    Add To Cart
  • 22 GMC 12647254 Adapter Gasket
    12647254
    Adapter Gasket
    Gasket, Engine Oil Cooler
    • Part Notes: 2017-19, Cooler Side
    MSRP: $9.55 Your Price: $5.79
    1
    Add To Cart
  • 22
    12680192
    Connecting Rod
    Rod, Engine Piston
    • Part Notes: Silverado, Sierra
    • Replaced By: 12683616
    MSRP: $106.23 Your Price: $67.82
  • 22
    24504031
    Oil Tube Seal
    Seal-Oil Level Indicator (O Ring)
    • Part Notes: 6.0 Liter
    MSRP: $0.67 Your Price: $0.40
    1
    Add To Cart
  • 22
    89017849
    Piston
    Piston, Engine Piston
    • Part Notes: Silverado, Sierra; Standard
    MSRP: $119.71 Your Price: $68.59
    1
    Add To Cart
  • 22
    89017850
    Piston
    Piston, Engine Piston
    • Part Notes: Silverado, Sierra; Oversized 0.5mm
    MSRP: $174.20 Your Price: $70.48
    1
    Add To Cart
  • 23 GMC 12709792 Adapter Gasket
    12709792
    Adapter Gasket
    Gasket, Engine Oil Cooler
    • Part Notes: 2017-19, Engine Side
    MSRP: $11.81 Your Price: $7.17
    1
    Add To Cart
  • 23 GMC 12685817 Bearings
    12685817
    Bearings
    Bearing Kit, Engine Connecting Rod
    • Part Notes: Silverado, Sierra
    MSRP: $15.90 Your Price: $10.01
    1
    Add To Cart
  • 23
    12649190
    Connecting Rod
    Rod, Engine Piston
    • Part Notes: Silverado, Sierra
    MSRP: $276.17 Your Price: $158.25
    1
    Add To Cart
  • 23 GMC 12597600 Intake Manifold
    12597600
    Intake Manifold
    Manifold, Engine Fuel Intake Manifold
    • Part Notes: 6.0 Liter, All
    MSRP: $328.50 Your Price: $132.92
    1
    Add To Cart
  • 24
    89017573
    Bearings
    Bearing Kit, Connecting Rod
    • Part Notes: Silverado, Sierra
    MSRP: $25.77 Your Price: $15.64
    1
    Add To Cart
  • 24
    12704537
    Bearings
    Bearing Kit, Engine Crankshaft Main
    • Part Notes: Silverado, Sierra; Bearing Kit; All
    MSRP: $100.31 Your Price: $63.17
    1
    Add To Cart
  • 24
    12589235
    Intake Manifold Gasket
    Seal, Multi Portion Fuel Injection Throttle Body
    • Part Notes: 6.0 Liter, To Throttle Body
    MSRP: $55.66 Your Price: $29.64
    1
    Add To Cart
  • 24 GMC 12691158 Oil Filter
    12691158
    Oil Filter
    Filter, Engine Oil Filter
    • Part Notes: 2017-19
    • Replaced By: 19542674
    MSRP: $23.12 Your Price: $12.95
    1
    Add To Cart
  • 25
    89017571
    Bearings
    Bearing Kit, Engine Crankshaft Main
    • Part Notes: Silverado, Sierra; No. 1, 2, 4, 5
    MSRP: $94.76 Your Price: $54.30
    1
    Add To Cart
  • 25
    89017572
    Bearings
    Bearing Kit, Crankshaft Thrust
    • Part Notes: Silverado, Sierra; No. 3
    MSRP: $85.41 Your Price: $51.84
    1
    Add To Cart
  • 25 GMC 12725092 Cooler Pipe
    12725092
    Cooler Pipe
    Pipe, Engine Coolant
    • Part Notes: 2017-19
    MSRP: $67.74 Your Price: $36.07
    1
    Add To Cart
  • 25
    12677566
    Crankshaft
    Crankshaft Assembly-.
    • Part Notes: Silverado, Sierra
    MSRP: $1131.07 Your Price: $878.84
  • 25 GMC 89060434 Intake Manifold Gasket
    89060434
    Intake Manifold Gasket
    Gasket Kit, Manifold To Cylinder Head
    • Part Notes: 6.0 Liter, To Block
    • Replaced By: 19207929
    MSRP: $80.14 Your Price: $45.71
    1
    Add To Cart
  • 26 GMC 19431872 Crankshaft
    19431872
    Crankshaft
    Crankshaft Assembly, .
    • Part Notes: Silverado, Sierra
    MSRP: $869.35 Your Price: $550.04
  • 26
    97209342
    Rear Main Seal
    Seal, Engine Rear Main Bearing
    • Part Notes: Silverado, Sierra
    MSRP: $83.58 Your Price: $47.90
    1
    Add To Cart
  • 27
    89060436
    Rear Main Seal
    Seal Kit, Crankshaft Rear Oil
    • Part Notes: Silverado, Sierra
    MSRP: $40.93 Your Price: $24.85
    1
    Add To Cart
  • 27 GMC 12723412 Vibration Damper
    12723412
    Vibration Damper
    Balancer, Crankshaft
    • Part Notes: Silverado, Sierra
    MSRP: $169.57 Your Price: $106.80
    1
    Add To Cart
  • 28 GMC 12686016 Intake Manifold
    12686016
    Intake Manifold
    Manifold, Engine Fuel Intake Manifold
    • Part Notes: 2017-19, Upper
    MSRP: $229.68 Your Price: $139.46
    1
    Add To Cart
  • 29
    12645695
    Flywheel
    Flywheel, Engine Crankshaft
    • Part Notes: Silverado, Sierra
    MSRP: $159.24 Your Price: $100.30
    1
    Add To Cart
  • 29 GMC 12643886 Intake Manifold
    12643886
    Intake Manifold
    Manifold, Engine Fuel Intake Manifold
    • Part Notes: 2017-19, Lower
    • Location: Passenger Side
    • Replaced By: 12716585
    MSRP: $129.59 Your Price: $78.66
    1
    Add To Cart
  • 30 GMC 12643888 Intake Manifold
    12643888
    Intake Manifold
    Manifold, Engine Fuel Intake Manifold
    • Part Notes: 2017-19, Lower
    • Location: Driver Side
    • Replaced By: 12717925
    MSRP: $128.31 Your Price: $80.82
    1
    Add To Cart
  • 30 GMC 12684562 Oil Pan
    12684562
    Oil Pan
    Pan, Engine Oil
    • Part Notes: Silverado, Sierra; Lower
    • Replaced By: 12730576
    MSRP: $187.31 Your Price: $107.34
    1
    Add To Cart
  • 30 GMC 12692968 Oil Pan
    12692968
    Oil Pan
    Pan Assembly-Upper Oil
    • Part Notes: Silverado, Sierra; Upper
    MSRP: $158.50 Your Price: $96.22
    1
    Add To Cart
  • 30
    19300488
    Vibration Damper
    Damper, Engine Crankshaft And Camshaft Balancer
    • Part Notes: Silverado, Sierra
    MSRP: $203.98 Your Price: $116.90
    1
    Add To Cart
  • 31 GMC 12665248 Intake Manifold Gasket
    12665248
    Intake Manifold Gasket
    Gasket, Multifunction Portion Fuel Injection Throttle Body
    • Part Notes: 2017-19, Upper
    MSRP: $9.26 Your Price: $4.93
    1
    Add To Cart
  • 31
    12640746
    Oil Pan
    Pan, Engine Oil
    • Part Notes: Silverado, Sierra
    MSRP: $392.69 Your Price: $225.02
    1
    Add To Cart
  • 31
    12678662
    Oil Pump
    Pump, Engine Oil Pump
    • Part Notes: Silverado, Sierra
    • Replaced By: 12731119
    MSRP: $177.55 Your Price: $101.77
    1
    Add To Cart
  • 32
    12612350
    Oil Pan Gasket
    Gasket, Engine Oil Pan
    • Part Notes: Silverado, Sierra
    MSRP: $84.64 Your Price: $48.49
    1
    Add To Cart
  • 32 GMC 12671398 Oil Pick-Up
    12671398
    Oil Pick-Up
    Screen Assembly-Oil Pump
    • Part Notes: Silverado, Sierra
    • Replaced By: 12706083
    MSRP: $40.30 Your Price: $24.47
    1
    Add To Cart
  • 33
    12710303
    Oil Pump
    Pump, Engine Oil Pump
    • Part Notes: Silverado, Sierra
    MSRP: $180.40 Your Price: $72.97
    1
    Add To Cart
  • 34
    12608579
    Oil Pick-Up
    Screen, Engine Oil Pump
    • Part Notes: Silverado, Sierra
    MSRP: $68.78 Your Price: $39.41
    1
    Add To Cart
  • 35 GMC 12556582 Crankshaft Gear
    12556582
    Crankshaft Gear
    Sprocket, Engine Crankshaft/Timing
    • Part Notes: Silverado, Sierra
    MSRP: $54.15 Your Price: $32.87
    1
    Add To Cart
  • 12589016
    Camshaft Seal
    Retainer-Camshaft
    • Part Notes: Silverado, Sierra
    MSRP: $42.04 Your Price: $25.51
    1
    Add To Cart
  • 12700876
    Engine
    Engine Assembly-Diesel (Service)
    • Part Notes: Silverado, Sierra
    • Replaced By: 12731639
    Your Price: $16841.13
  • GMC 12729512 Engine
    12729512
    Engine
    Engine, Production/Service
    • Part Notes: Silverado, Sierra; Eng. Code Lc8
    MSRP: $6827.64 Your Price: $6820.82
    1
    Add To Cart
  • 19256594
    Engine
    Engine, Universal
    • Part Notes: Silverado, Sierra; Eng. Code L96
  • GMC 23391859 Front Mount
    23391859
    Front Mount
    Mount, Engine Mounting
    • Part Notes: Silverado, Sierra; Left
    MSRP: $237.63 Your Price: $136.19
    1
    Add To Cart
  • GMC 84016258 Front Mount
    84016258
    Front Mount
    Mount, Engine Mounting
    • Part Notes: Silverado, Sierra
    MSRP: $186.68 Your Price: $106.98
    1
    Add To Cart
  • GMC 84160829 Front Mount
    84160829
    Front Mount
    Mount, Engine Mounting
    • Part Notes: Silverado, Sierra; Right
    MSRP: $231.84 Your Price: $132.87
    1
    Add To Cart
  • GMC 84125447 Transmission Mount
    84125447
    Transmission Mount
    Mount, Transmission Mounting
    • Part Notes: Silverado, Sierra; 2WD
    • Replaced By: 84474529
    MSRP: $93.41 Your Price: $58.85
    1
    Add To Cart
  • GMC 84338602 Transmission Mount
    84338602
    Transmission Mount
    Mount, Transmission Mounting
    • Part Notes: Silverado, Sierra; 2WD
    MSRP: $72.54 Your Price: $41.57
    1
    Add To Cart
  • GMC 84474528 Transmission Mount
    84474528
    Transmission Mount
    Mount, Transmission Mounting
    • Part Notes: Silverado, Sierra; 4WD
    MSRP: $169.14 Your Price: $96.92
    1
    Add To Cart
  • GMC 84474530 Transmission Mount
    84474530
    Transmission Mount
    Mount, Transmission Mounting
    • Part Notes: Silverado, Sierra; 4WD
    MSRP: $128.16 Your Price: $73.44
    1
    Add To Cart