Search Bar
Search by Part Number, Part Name, or Vehicle
  • My Garage
  • Cart
  • OE Parts
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Shop OE Parts
  • Shop By Category
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting

2021 GMC Sierra 1500 Engine Main Bearing

My Vehicle Change Vehicle
2021 GMC Sierra 1500
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Crankshafts, Pistons, Rings & Connecting Rods
  • Department
  • Prices

16 Products found

Sort by:
Recommended
Filter Results
Sort
View by
  • OEM 2021 GMC Sierra 1500 Main Bearings - 12663473
    OEM 2021 GMC Sierra 1500 Main Bearings Diagram - 12663473
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Main Bearings

    PartNumber: 12663473
    $3.74 MSRP: $5.92
    You Save: $2.18 (37%)
    Product Specifications
    • Notes: Silverado, Sierra; Journal 1
    • Other Names: Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Main Bearings
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
  • OEM 2021 GMC Sierra 1500 Bearing Set - 55492646
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 55492646
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 55492646
    $3.49 MSRP: $5.53
    You Save: $2.04 (37%)
    Product Specifications
    • Notes: Main Bearings; Silverado, Sierra; Upper; Journal 1 Or 7; 2.485-2.491
    • Other Names: Bearing Set, Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Bearing Set - 55492647
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 55492647
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 55492647
    $3.31 MSRP: $5.25
    You Save: $1.94 (37%)
    Product Specifications
    • Notes: Main Bearings; Silverado, Sierra; Upper; Journal 1 Or 7; 2.479-2.485
    • Other Names: Bearing Set, Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Bearing Set - 55490471
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 55490471
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 55490471
    $3.14 MSRP: $4.96
    You Save: $1.82 (37%)
    Product Specifications
    • Notes: Main Bearings; Silverado, Sierra; Lower; 2.485-2.491
    • Other Names: Bearing Set, Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Bearing Set - 55490519
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 55490519
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 55490519
    $3.21 MSRP: $5.08
    You Save: $1.87 (37%)
    Product Specifications
    • Notes: Main Bearings; Silverado, Sierra; Upper; Journal 2, 3, 5, Or 6; 2.485-2.491
    • Other Names: Bearing Set, Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Bearing Set - 55490472
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 55490472
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 55490472
    $2.98 MSRP: $4.72
    You Save: $1.74 (37%)
    Product Specifications
    • Notes: Main Bearings; Silverado, Sierra; Lower; 2.479-2.485
    • Other Names: Bearing Set, Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Bearing Set - 55490473
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 55490473
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 55490473
    $3.08 MSRP: $4.88
    You Save: $1.80 (37%)
    Product Specifications
    • Notes: Main Bearings; Silverado, Sierra; Lower; 2.473-2.479
    • Other Names: Bearing Set, Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Bearing Set - 55492648
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 55492648
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 55492648
    $3.14 MSRP: $4.98
    You Save: $1.84 (37%)
    Product Specifications
    • Notes: Main Bearings; Silverado, Sierra; Upper; Journal 1 Or 7; 2.473-2.479
    • Other Names: Bearing Set, Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Bearing Set - 55495259
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 55495259
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 55495259
    $2.98 MSRP: $4.72
    You Save: $1.74 (37%)
    Product Specifications
    • Notes: Main Bearings; Silverado, Sierra; Upper; Journal 4; 2.479-2.485
    • Other Names: Bearing Set, Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Main Bearings - 12663474
    OEM 2021 GMC Sierra 1500 Main Bearings Diagram - 12663474
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Main Bearings

    PartNumber: 12663474
    $2.97 MSRP: $4.71
    You Save: $1.74 (37%)
    Product Specifications
    • Notes: Silverado, Sierra; Journals 2 & 4
    • Other Names: Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Main Bearings
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
  • OEM 2021 GMC Sierra 1500 Main Bearings - 12663475
    OEM 2021 GMC Sierra 1500 Main Bearings Diagram - 12663475
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Main Bearings

    PartNumber: 12663475
    $2.99 MSRP: $4.74
    You Save: $1.75 (37%)
    Product Specifications
    • Notes: Silverado, Sierra; Journals 3 & 5
    • Other Names: Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Main Bearings
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
  • OEM 2021 GMC Sierra 1500 Main Bearings - 12663477
    OEM 2021 GMC Sierra 1500 Main Bearings Diagram - 12663477
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Main Bearings

    PartNumber: 12663477
    $2.91 MSRP: $4.60
    You Save: $1.69 (37%)
    Product Specifications
    • Notes: Silverado, Sierra; All Lower Journals
    • Other Names: Main Bearings
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Main Bearings
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
  • OEM 2021 GMC Sierra 1500 Thrust Bearing - 55490482
    OEM 2021 GMC Sierra 1500 Thrust Bearing Diagram - 55490482
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Thrust Bearing

    PartNumber: 55490482
    $2.63 MSRP: $4.17
    You Save: $1.54 (37%)
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Thrust Bearing
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Thrust Bearing
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
  • OEM 2021 GMC Sierra 1500 Main Bearings - 12688704
    OEM 2021 GMC Sierra 1500 Main Bearings Diagram - 12688704
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Main Bearings

    PartNumber: 12688704
    $5.14 MSRP: $9.28
    You Save: $4.14 (45%)
    Product Specifications
    • Notes: Silverado, Sierra
    • Other Names: Main Bearings, Thrust Bearing
    • Fitment Type: Direct Replacement
    • Part Description: 2021 GMC Sierra 1500 Main Bearings
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
  • OEM 2021 GMC Sierra 1500 Bearing Kit-Crankshaft - 12682028
    OEM 2021 GMC Sierra 1500 Bearing Kit-Crankshaft Diagram - 12682028
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Kit-Crankshaft

    PartNumber: 12682028
    $47.91 MSRP: $83.40
    You Save: $35.49 (43%)
    Product Specifications
    • Other Names: Bearing, Bearing Set, Main Bearings
    • Item Dimensions: 6.9 x 4.5 x 4.5 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12729655
    • Part Description: 2021 GMC Sierra 1500 Bearing Kit-Crankshaft
    More Info
  • OEM 2021 GMC Sierra 1500 Bearing Set - 12682027
    OEM 2021 GMC Sierra 1500 Bearing Set Diagram - 12682027
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 1500 Bearing Set

    PartNumber: 12682027
    $40.96 MSRP: $67.80
    You Save: $26.84 (40%)
    Product Specifications
    • Other Names: Bearing, Bearing Set, Thrust Bearing
    • Item Dimensions: 6.9 x 4.4 x 4.4 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaced by: 12729654
    • Part Description: 2021 GMC Sierra 1500 Bearing Set
    More Info