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Make sure this part fits

GM 12599650 Rocker Arms

2000-2014 GM

Customer Questions & Expert Answers (3)
12599650 GM Rocker Arms Illustration 1 of 1
12599650 GM Rocker Arms Illustration 1 of 1
  • Part Description
    Arm, Engine Valve Rocker
  • Replaces
    12555580
  • Manufacturer
    General Motors
Make sure this part fits
$61.28 MSRP: $94.90
You Save: $33.62 (36%)
Ships in 1-3 Business Days
12
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A

  • Related Parts

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  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12599650
    Part DescriptionRocker Arms; Arm, Engine Valve Rocker
    Item Dimensions3.2 x 2.2 x 2.2 inches
    Item Weight0.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12555580
    Require Quantity12
    ManufacturerGeneral Motors
    SKU12599650
    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
    2000-2005 Chevrolet Astro6 Cyl 4.3LVAN ASTRO
    2000-2005 Chevrolet Blazer6 Cyl 4.3L2 DOOR, 4 DOOR
    2000-2014 Chevrolet Express6 Cyl 4.3L1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    2000-2004 Chevrolet S106 Cyl 4.3LCREW CAB, PICKUP, PICKUP EXTENDED CAB
    2000-2013 Chevrolet Silverado6 Cyl 4.3L1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    2001-2004 Chevrolet Suburban1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX
    2000-2001 GMC Jimmy6 Cyl 4.3L2 DOOR, 4 DOOR
    2000-2005 GMC Safari6 Cyl 4.3LVAN SAFARI
    2000-2014 GMC Savana6 Cyl 4.3L1 TON CARGO SAVANA, 1 TON COMMERCIAL/RECREATIONAL VEHICLE SAVANA, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER SAVANA
    2000-2013 GMC Sierra6 Cyl 4.3L1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
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  • 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 12599650 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be checked during inspection of the Rocker Arms for the 2008 Chevrolet Silverado? Posted by Denison R.
    A:
    During inspection, each rocker arm should be checked for wear, cracks, and damage, as well as the rocker arm pivot area. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Jul 25, 2023
    Q:
    Where should you apply moly-base grease on the Rocker Arm during pushrod installation for the 2000 GMC Jimmy? Posted by Yassine M.
    A:
    Apply moly-base grease to valve stem and pushrod ends before positioning the rocker arms over the studs. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Apr 16, 2025

Genuine GM Part 12599650, the Right Choice

To ensure reliability, purchase GM part # 12599650 Rocker Arms. It is sometimes referred to as GM 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 Chevrolet Blazer, S10, Silverado models. It fits GMC Savana, Sierra, Sonoma. It also fits Oldsmobile Bravada.

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