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Replacement and OEM Parts for 1991 GMC K2500 Engine Main Bearing

1991 GMC K2500 Engine Main Bearing

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1991 GMC K2500
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  • OEM 1991 GMC K2500 Bearings Diagram - 10120990
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    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 10120990
    OEM 1991 GMC K2500 Bearings - 10120990
    Product Specifications
    • Notes: All Models; #1, #2 & #3; All Models; No. 1, 2, 3, 4
    • Other Names: Bearing, Main Bearings
    • Item Dimensions: 4.2 x 4.2 x 2.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    $22.82 MSRP: $37.77
    You Save: $14.95 (40%)
  • Sealed Power 3 4 Grooved Crankshaft Main Bearing Set for 1991 GMC K2500 - 7370M

    Sealed Power® 3 4 Grooved Crankshaft Main Bearing Set for 1991 GMC K2500

    PartNumber: 7370M
    Product Specifications
    • Notes: Standard Size; 3/4 grooved
    • Package Alert: Full set
    • Part Material: Steel Backed Overplated Bronze Alloy
    • Size: Standard
    • UPC: 614046346192
    • Part Description: 1991 GMC K2500 3 4 Grooved Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 6.2L
    $72.68
  • OEM 1991 GMC K2500 Bearings Diagram - 10181306
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    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 10181306
    OEM 1991 GMC K2500 Bearings - 10181306
    Product Specifications
    • Notes: All Models; 7.4l; No. 2, 3, 4;All Models; 7.4l; No.1
    • Other Names: Bearing
    • Item Dimensions: 4.2 x 4.2 x 4.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
    $39.44 MSRP: $65.31
    You Save: $25.87 (40%)
  • Sealed Power A Series Aluminum Crankshaft Main Bearing Set for 1991 GMC K2500 - 4400MA

    Sealed Power® A Series Aluminum Crankshaft Main Bearing Set for 1991 GMC K2500

    PartNumber: 4400MA
    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-1-2-10-20-30-40
    • UPC: 614046636088
    • Part Description: 1991 GMC K2500 A Series Aluminum Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 7.4L
    $55.79
  • OEM 1991 GMC K2500 Bearings Diagram - 10181307
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    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 10181307
    OEM 1991 GMC K2500 Bearings - 10181307
    Product Specifications
    • Notes: All Models; 7.4l; Rear
    • Other Names: Bearing
    • Item Dimensions: 4.2 x 4.3 x 2.1 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 10148028
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra | 8 Cyl 7.4 L GAS
    $39.44 MSRP: $65.31
    You Save: $25.87 (40%)
  • Sealed Power Flange Partial Grooved Crankshaft Main Bearing Set for 1991 GMC K2500 - 5085M

    Sealed Power® Flange Partial Grooved Crankshaft Main Bearing Set for 1991 GMC K2500

    PartNumber: 5085M
    Product Specifications
    • Notes: Standard Size; Partial grooved
    • Material: Overplated Copper-Lead Alloy
    • Package Alert: Full set
    • Part Material: Steel Backed Overplated Bronze Alloy
    • Set Type: Main Set
    • Size: Standard
    • Sizes: Standard-1-10-20-30-40
    • UPC: 724956151622
    • Part Description: 1991 GMC K2500 Flange Partial Grooved Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 6 Cyl 4.3L
    $44.58
  • OEM 1991 GMC K2500 Bearings Diagram - 14053399
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    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 14053399
    OEM 1991 GMC K2500 Bearings - 14053399
    Product Specifications
    • Notes: All Models; No. 3
    • Other Names: Bearing
    • Item Dimensions: 4.3 x 4.1 x 2.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
    $47.57 MSRP: $75.54
    You Save: $27.97 (38%)
  • Sealed Power A Series Aluminum Partial Grooved Crankshaft Main Bearing Set for 1991 GMC K2500 - 5085MA

    Sealed Power® A Series Aluminum Partial Grooved Crankshaft Main Bearing Set for 1991 GMC K2500

    PartNumber: 5085MA
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings; Partial grooved
    • Package Alert: Full set
    • Part Material: A-Series Aluminum
    • Size: Standard
    • UPC: 614046379428
    • Part Description: 1991 GMC K2500 A Series Aluminum Partial Grooved Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 6 Cyl 4.3L
    $44.58
  • OEM 1991 GMC K2500 Bearings Diagram - 12531701
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    OEM (Genuine) 1991 GMC K2500 Bearings

    PartNumber: 12531701
    OEM 1991 GMC K2500 Bearings - 12531701
    Product Specifications
    • Notes: All Models; No. 1, 2, 4
    • Other Names: Bearing
    • Item Dimensions: 4.1 x 4.1 x 2.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Bearings
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
    $37.63 MSRP: $59.76
    You Save: $22.13 (38%)
  • Sealed Power Overplated Copper Lead Alloy Crankshaft Main Bearing Set for 1991 GMC K2500 - 4663M

    Sealed Power® Overplated Copper Lead Alloy Crankshaft Main Bearing Set for 1991 GMC K2500

    PartNumber: 4663M
    Product Specifications
    • Notes: Standard Size
    • Material: Overplated Copper-Lead Alloy
    • Oversizes: Standard
    • Package Alert: Full set
    • Part Material: Steel Backed Overplated Bronze Alloy
    • Set Type: Main Set
    • UPC: 724956135493
    • Part Description: 1991 GMC K2500 Overplated Copper Lead Alloy Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.0L
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.7L
    $38.94
  • Sealed Power A Series Aluminum Crankshaft Main Bearing Set for 1991 GMC K2500 - 4663MA

    Sealed Power® A Series Aluminum Crankshaft Main Bearing Set for 1991 GMC K2500

    PartNumber: 4663MA
    Product Specifications
    • Notes: Standard Size; A-Series aluminum bearings
    • Oversize: Standard
    • Package Alert: Full set
    • Part Material: A-Series Aluminum
    • UPC: 614046379404
    • Part Description: 1991 GMC K2500 A Series Aluminum Crankshaft Main Bearing Set
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.0L
    • 1991 GMC K2500 | All Trims | 8 Cyl 5.7L
    $38.94
  • OEM 1991 GMC K2500 Bearing Kit, Crankshaft Diagram - 10120993
    View Related Parts

    OEM (Genuine) 1991 GMC K2500 Bearing Kit, Crankshaft

    PartNumber: 10120993
    OEM 1991 GMC K2500 Bearing Kit, Crankshaft - 10120993
    Product Specifications
    • Notes: All Models; Rear; All Models; No. 5
    • Other Names: Bearing, Main Bearings
    • Item Dimensions: 4.3 x 4.2 x 2.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Bearing Kit, Crankshaft
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
  • OEM 1991 GMC K2500 Bearing Unit-Crankshaft #5 (Std) Diagram - 14055002
    View Related Parts

    OEM (Genuine) 1991 GMC K2500 Bearing Unit-Crankshaft #5 (Std)

    PartNumber: 14055002
    OEM 1991 GMC K2500 Bearing Unit-Crankshaft #5 (Std) - 14055002
    Product Specifications
    • Notes: All Models; Rear
    • Other Names: Bearing
    • Item Dimensions: 6.2 x 3.2 x 3.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC K2500 Bearing Unit-Crankshaft #5 (Std)
    More Info
    Vehicle Fitment
    • 1991 GMC K2500 | Base, High Sierra, Sierra, Sierra Classic, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL