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Pontiac 12521876 Arm Kit, Valve Rocker & Ball

1994-1996 Pontiac

Customer Questions & Expert Answers (3)
12521876 GM Arm Kit, Valve Rocker & Ball Illustration 1 of 1
  • Part Description
    ARM KIT, Engine Valve Rocker
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number12521876
    Part DescriptionARM KIT, Engine Valve Rocker
    Other NamesRocker Arm
    Item Dimensions3.3 x 2.1 x 2.2 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity12
    ManufacturerGeneral Motors
    SKU12521876
    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
    1994-1996 Pontiac Grand Am6 Cyl 3.1LGT 2 DOOR, GT 4 DOOR, SE 2 DOOR, SE 4 DOOR
    1994-1995 Pontiac Grand Prix6 Cyl 3.1L2 DOOR, 4 DOOR, GT 2 DOOR, SE 2 DOOR, SE 4 DOOR
  • 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 12521876 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How should the nuts be tightened after installing the Rocker Arms for the 1994 Chevrolet Beretta? Posted by Verified Customer
    A:
    Tighten them. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / May 21, 2022
    Q:
    What should be applied to the valve stems, pushrod ends, and Rocker Arms before reinstallation for the 1995 Pontiac Grand Prix? Posted by Tori S.
    A:
    Apply grease to the valve stems and pushrod ends, as well as to the pivot balls to protect the surfaces before oil pressure builds. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Nov 24, 2025

Genuine GM Part 12521876, the Right Choice

To ensure reliability, purchase GM part # 12521876 Arm Kit, Valve Rocker & Ball. It is sometimes referred to as Pontiac Rocker Arm. 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 Pontiac Grand Am, Grand Prix models.

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