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Replacement and OEM Parts for 2018 GMC Sierra 2500 HD Crankshafts, Pistons, Rings & Connecting Rods

2018 GMC Sierra 2500 HD Crankshafts, Pistons, Rings & Connecting Rods

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Engine & Drivetrain

23 products about 2018 GMC Sierra 2500 HD Crankshafts, Pistons, Rings & Connecting Rods found

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  • OEM 2018 GMC Sierra 2500 HD Seal, Engine Front Cover Diagram - 12585673
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Seal, Engine Front Cover

    PartNumber: 12585673
    OEM 2018 GMC Sierra 2500 HD Seal, Engine Front Cover - 12585673
    Product Specifications
    • Notes: Silverado, Sierra
    • Item Dimensions: 3.5 x 3.5 x 0.4 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12550565, 12561244
    • Part Description: 2018 GMC Sierra 2500 HD Seal, Engine Front Cover
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $19.31 MSRP: $48.32
    You Save: $29.01 (61%)
  • OEM 2018 GMC Sierra 2500 HD Crankshaft Seal Diagram - 89060436
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Crankshaft Seal

    PartNumber: 89060436
    OEM 2018 GMC Sierra 2500 HD Crankshaft Seal - 89060436
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Crankshaft Seal, Rear Main Seal
    • Item Dimensions: 5.2 x 5.1 x 1.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12585671, 89018162, 12550574
    • Part Description: 2018 GMC Sierra 2500 HD Crankshaft Seal
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $22.75 MSRP: $36.30
    You Save: $13.55 (38%)
  • Sealed Power A Series Aluminum Crankshaft Main Bearing Set for 2018 GMC Sierra 2500 HD - 7298MA

    Sealed Power® A Series Aluminum Crankshaft Main Bearing Set for 2018 GMC Sierra 2500 HD

    PartNumber: 7298MA
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings
    • Material: A-Series Aluminum Bearings
    • Package Alert: Full set
    • Part Material: A-Series Aluminum
    • Set Type: Main Set
    • Size: Standard
    • Sizes: Standard-10-20-30
    • UPC: 614046634350
    • Part Description: 2018 GMC Sierra 2500 HD A Series Aluminum Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $101.18
  • OEM 2018 GMC Sierra 2500 HD Gasket-Crankshaft Rear Oil Seal Housing Diagram - 12639249
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Gasket-Crankshaft Rear Oil Seal Housing

    PartNumber: 12639249
    OEM 2018 GMC Sierra 2500 HD Gasket-Crankshaft Rear Oil Seal Housing - 12639249
    Product Specifications
    • Notes: Silverado, Sierra
    • Item Dimensions: 11.3 x 10.9 x 0.2 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12633578, 12553460, 12593587, 12559769, 12574293
    • Part Description: 2018 GMC Sierra 2500 HD Gasket-Crankshaft Rear Oil Seal Housing
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $40.31 MSRP: $62.69
    You Save: $22.38 (36%)
  • Sealed Power A Series Connecting Rod Bearing Set for 2018 GMC Sierra 2500 HD - 8-2555A

    Sealed Power® A Series Connecting Rod Bearing Set for 2018 GMC Sierra 2500 HD

    PartNumber: 8-2555A
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings
    • Housing Bore Max: 56.520 mm
    • Housing Bore Min: 2.2247"
    • Oil Clearance Max: 0.0028"
    • Oil Clearance Min: 0.0005"
    • Overall Length Max: 21.390 mm
    • Part Material: A-Series Aluminum
    • Size: Standard
    • Standard Shaft Max: 53.340 mm
    • Standard Shaft Min: 2.0990"
    • UPC: 087674958387
    • Wall Thickness Max: 1.580 mm
    • Part Description: 2018 GMC Sierra 2500 HD A Series Connecting Rod Bearing Set
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $32.27
  • OEM 2018 GMC Sierra 2500 HD Bearings Diagram - 89017573
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Bearings

    PartNumber: 89017573
    OEM 2018 GMC Sierra 2500 HD Bearings - 89017573
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Bearing
    • Item Dimensions: 4.1 x 4.1 x 2.1 inches
    • Item Weight: 0.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12493714, 12493712
    • Part Description: 2018 GMC Sierra 2500 HD Bearings
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $15.54 MSRP: $24.65
    You Save: $9.11 (37%)
  • Sealed Power A Series Aluminum Connecting Rod Bearing Set for 2018 GMC Sierra 2500 HD - 2555A

    Sealed Power® A Series Aluminum Connecting Rod Bearing Set for 2018 GMC Sierra 2500 HD

    PartNumber: 2555A
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings
    • Housing Bore Max: 56.520 mm
    • Housing Bore Min: 2.2247"
    • Oil Clearance Max: 0.0028"
    • Oil Clearance Min: 0.0005"
    • Overall Length Max: 21.390 mm
    • Part Material: A-Series Aluminum
    • Size: Standard
    • Standard Shaft Max: 53.340 mm
    • Standard Shaft Min: 2.0990"
    • UPC: 087674957564
    • Wall Thickness Max: 0.0622"
    • Part Description: 2018 GMC Sierra 2500 HD A Series Aluminum Connecting Rod Bearing Set
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $4.22
  • OEM 2018 GMC Sierra 2500 HD Bearings Diagram - 89017571
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Bearings

    PartNumber: 89017571
    OEM 2018 GMC Sierra 2500 HD Bearings - 89017571
    Product Specifications
    • Notes: Silverado, Sierra; No. 1, 2, 4, 5
    • Other Names: Bearing
    • Item Dimensions: 4.3 x 4.1 x 2.1 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12533768, 89017469, 88890525
    • Part Description: 2018 GMC Sierra 2500 HD Bearings
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $51.23 MSRP: $84.81
    You Save: $33.58 (40%)
  • Sealed Power Overplated Copper Lead Alloy Connecting Rod Bearing Set for 2018 GMC Sierra 2500 HD - 2555CP

    Sealed Power® Overplated Copper Lead Alloy Connecting Rod Bearing Set for 2018 GMC Sierra 2500 HD

    PartNumber: 2555CP
    Product Specifications
    • Notes: Standard Size; Overplated copper-lead alloy
    • Housing Bore Max: 56.520
    • Housing Bore Min: 56.507
    • Oil Clearance Max: 0.0028
    • Oil Clearance Min: 0.013
    • Overall Length Max: 21.390
    • Part Material: Steel Backed Overplated Bronze Alloy
    • Size: Standard
    • Standard Shaft Max: 2.1000
    • Standard Shaft Min: 2.0990
    • UPC: 724956081554
    • Wall Thickness Max: 0.0622
    • Part Description: 2018 GMC Sierra 2500 HD Overplated Copper Lead Alloy Connecting Rod Bearing Set
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $4.22
  • OEM 2018 GMC Sierra 2500 HD Bearings Diagram - 89017572
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Bearings

    PartNumber: 89017572
    OEM 2018 GMC Sierra 2500 HD Bearings - 89017572
    Product Specifications
    • Notes: Silverado, Sierra; No. 3
    • Other Names: Bearing
    • Item Dimensions: 4.3 x 4.3 x 2.1 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 88890526, 12369542, 89017470
    • Part Description: 2018 GMC Sierra 2500 HD Bearings
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $46.17 MSRP: $76.44
    You Save: $30.27 (40%)
  • OEM 2018 GMC Sierra 2500 HD Piston Rings Diagram - 89017484
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Piston Rings

    PartNumber: 89017484
    OEM 2018 GMC Sierra 2500 HD Piston Rings - 89017484
    Product Specifications
    • Notes: Silverado, Sierra; Standard
    • Other Names: Piston Rings
    • Item Dimensions: 5.2 x 5.1 x 0.5 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 88894241
    • Part Description: 2018 GMC Sierra 2500 HD Piston Rings
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $32.00 MSRP: $52.99
    You Save: $20.99 (40%)
  • OEM 2018 GMC Sierra 2500 HD Piston Diagram - 89017850
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Piston

    PartNumber: 89017850
    OEM 2018 GMC Sierra 2500 HD Piston - 89017850
    Product Specifications
    • Notes: Silverado, Sierra; Oversized 0.5mm
    • Other Names: Piston
    • Item Dimensions: 5.9 x 5.5 x 5.4 inches
    • Item Weight: 1.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Piston
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $94.18 MSRP: $155.91
    You Save: $61.73 (40%)
  • OEM 2018 GMC Sierra 2500 HD Piston Rings Diagram - 89017485
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Piston Rings

    PartNumber: 89017485
    OEM 2018 GMC Sierra 2500 HD Piston Rings - 89017485
    Product Specifications
    • Notes: Silverado, Sierra; Oversized 0.5mm
    • Other Names: Piston Rings
    • Item Dimensions: 5.3 x 5.3 x 0.5 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Piston Rings
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $35.68 MSRP: $59.07
    You Save: $23.39 (40%)
  • OEM 2018 GMC Sierra 2500 HD Piston Diagram - 89017849
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Piston

    PartNumber: 89017849
    OEM 2018 GMC Sierra 2500 HD Piston - 89017849
    Product Specifications
    • Notes: Silverado, Sierra; Standard
    • Other Names: Piston
    • Item Dimensions: 5.9 x 5.4 x 5.6 inches
    • Item Weight: 1.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Piston
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $53.93 MSRP: $89.30
    You Save: $35.37 (40%)
  • OEM 2018 GMC Sierra 2500 HD Rear Main Seal Diagram - 97209342
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    OEM (Genuine) 2018 GMC Sierra 2500 HD Rear Main Seal

    PartNumber: 97209342
    OEM 2018 GMC Sierra 2500 HD Rear Main Seal - 97209342
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Rear Main Seal
    • Item Dimensions: 6.3 x 6.3 x 1.0 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Rear Main Seal
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
    $48.29 MSRP: $79.94
    You Save: $31.65 (40%)
  • OEM 2018 GMC Sierra 2500 HD Bearings Diagram - 12677680
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Bearings

    PartNumber: 12677680
    OEM 2018 GMC Sierra 2500 HD Bearings - 12677680
    Product Specifications
    • Other Names: Bearing
    • Item Dimensions: 4.2 x 4.2 x 4.2 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12704537
    • Part Description: 2018 GMC Sierra 2500 HD Bearings
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $56.53 MSRP: $89.78
    You Save: $33.25 (38%)
  • OEM 2018 GMC Sierra 2500 HD Piston Rings Diagram - 12686801
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Piston Rings

    PartNumber: 12686801
    OEM 2018 GMC Sierra 2500 HD Piston Rings - 12686801
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Piston Rings
    • Item Dimensions: 7.0 x 6.9 x 1.5 inches
    • Item Weight: 0.40 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Piston Rings
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $28.67 MSRP: $47.48
    You Save: $18.81 (40%)
  • OEM 2018 GMC Sierra 2500 HD Bearings Diagram - 12685817
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Bearings

    PartNumber: 12685817
    OEM 2018 GMC Sierra 2500 HD Bearings - 12685817
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Bearing
    • Item Dimensions: 4.2 x 4.2 x 2.2 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Bearings
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
    $9.59 MSRP: $15.21
    You Save: $5.62 (37%)
  • National Front Crankshaft Repair Sleeve for 2018 GMC Sierra 2500 HD - 99193

    National® Front Crankshaft Repair Sleeve for 2018 GMC Sierra 2500 HD

    PartNumber: 99193
    Product Specifications
    • Notes: with AAM Axle; Independent Front Suspension; with 9.25in Ring Gear
    • Flanged Outside Diameter: 56.360 mm
    • Installation Depth: 1.000"
    • Material: Stainless Steel
    • Overall Width: 17.480 mm
    • Shaft Size Maximum: 1.940"
    • Shaft Size Minimum: 49.120 mm
    • Width on Shaft: 14.300 mm
    • Part Description: 2018 GMC Sierra 2500 HD Front Crankshaft Repair Sleeve
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | All Engines
    $27.48
  • SKF Rear Crankshaft Seal for 2018 GMC Sierra 2500 HD - 38617

    SKF® Rear Crankshaft Seal for 2018 GMC Sierra 2500 HD

    PartNumber: 38617
    Product Specifications
    • Quantity Per Application: 1
    • UPC: 085311492904
    • Part Description: 2018 GMC Sierra 2500 HD Rear Crankshaft Seal
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $27.48
  • National Front Crankshaft Repair Sleeve for 2018 GMC Sierra 2500 HD - 99210

    National® Front Crankshaft Repair Sleeve for 2018 GMC Sierra 2500 HD

    PartNumber: 99210
    Product Specifications
    • Notes: w/Magna 1626 Transfer Case; 2Spd; w/Part Time 4WD;w/Magna 1625 Transfer Case; 2Spd; w/Part Time 4WD;w/Magna 1225 Transfer Case; 2Spd; w/Part Time 4WD;w/Magna 1226 Transfer Case; 2Spd; w/Part Time 4WD
    • Flanged Outside Diameter: 2.422"
    • Installation Depth: 1.281"
    • Material: Stainless Steel
    • Overall Width: 19.050 mm
    • Shaft Size Maximum: 2.128"
    • Shaft Size Minimum: 2.123"
    • UPC: 724956213726
    • Width on Shaft: 0.500"
    • Part Description: 2018 GMC Sierra 2500 HD Front Crankshaft Repair Sleeve
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    • 2018 GMC Sierra 2500 HD | All Trims | All Engines
    $28.81
  • Sealed Power Overplated Copper Lead Alloy Connecting Rod Bearing Set for 2018 GMC Sierra 2500 HD - 8-2555CP

    Sealed Power® Overplated Copper Lead Alloy Connecting Rod Bearing Set for 2018 GMC Sierra 2500 HD

    PartNumber: 8-2555CP
    Product Specifications
    • Notes: Standard Size; Overplated copper-lead alloy; 8-2555CA 60 avail-as-unplated & resizeable
    • Housing Bore Max: 56.520
    • Housing Bore Min: 56.507
    • Material: Overplated Copper-Lead Alloy
    • Oil Clearance Max: 0.071
    • Oil Clearance Min: 0.0005
    • Overall Length Max: 21.390
    • Part Material: Steel Backed Overplated Bronze Alloy
    • Size: Standard
    • Standard Shaft Max: 2.1000
    • Standard Shaft Min: 53.315
    • UPC: 724956186341
    • Wall Thickness Max: 0.0622
    • Part Description: 2018 GMC Sierra 2500 HD Overplated Copper Lead Alloy Connecting Rod Bearing Set
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | All Trims | 8 Cyl 6.0L
    $31.65
  • OEM 2018 GMC Sierra 2500 HD Piston Diagram - 12686800
    View Related Parts

    OEM (Genuine) 2018 GMC Sierra 2500 HD Piston

    PartNumber: 12686800
    OEM 2018 GMC Sierra 2500 HD Piston - 12686800
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Piston
    • Item Dimensions: 5.8 x 5.4 x 5.2 inches
    • Item Weight: 3.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2018 GMC Sierra 2500 HD Piston
    More Info
    Vehicle Fitment
    • 2018 GMC Sierra 2500 HD | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL