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GMC 12522143 Connecting Rod Bearing

1983-2003 GMC

Customer Questions & Expert Answers (3)
12522143 GM Connecting Rod Bearing Illustration 1 of 1
  • Part Description
    Bearing Kit, Engine Connecting Rod
  • Replaces
    12329837
  • Manufacturer
    General Motors
Make sure this part fits
$20.42 MSRP: $41.18
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number12522143
    Part DescriptionConnecting Rod Bearing; Bearing Kit, Engine Connecting Rod
    Item Dimensions4.2 x 4.2 x 2.1 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12329837
    ManufacturerGeneral Motors
    SKU12522143
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1983-1984 GMC S154 Cyl 2.0L2 DOOR, PICKUP
    1994-2003 GMC Sonoma4 Cyl 2.2L, 4 Cyl 2.2L FlexPICKUP
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12522143 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What can incorrect Rod Bearing installation during engine assembly result in for the 1989 Chevrolet Beretta? Posted by Doreen M.
    A:
    Incorrect bearing installation, such as tight-fitting bearings or the entrapment of dirt or foreign particles, can result in insufficient oil clearance and high spots on the bearing, ultimately leading to bearing failure. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Apr 24, 2024
    Q:
    How do driving habits affect Rod Bearing longevity for the 1998 Chevrolet S10? Posted by Dianna R.
    A:
    Driving habits significantly impact bearing longevity; for instance, lugging the engine or taking short trips can cause high loads and corrosion, respectively. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Jun 10, 2025

Genuine GM Part 12522143, the Right Choice

To ensure reliability, purchase GM part # 12522143 Connecting Rod Bearing. It is sometimes referred to as GMC Rod Bearing. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific GMC S15, Sonoma models.

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