Make sure this part fits

GM 12599650
Rocker Arms

2000-2014 GM

Customer Questions & Expert Answers (15)
GM 12599650 Rocker Arms
  • Part Description
    Arm, Valve Rocker; Rocker Arm
  • Replaces
    12555580
  • Manufacturer
    General Motors
Make sure this part fits
$57.50 MSRP: $90.07
You Save: $32.57 (37%)
Ships in 1-3 Business Days
12
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  • Vehicle Fitment

    Year Make Model Trim Engine
    2000-2005 Chevrolet AstroBase, LS, LT6 Cyl 4.3 L GAS
    2000-2005 Chevrolet BlazerBase, LS, LT, Trailblazer, Xtreme, ZR26 Cyl 4.3 L GAS
    2001-2014 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS
    2001-2006 Chevrolet Express 2500Base, LS6 Cyl 4.3 L GAS
    2000-2004 Chevrolet S10Base, LS, Xtreme, ZR2, ZR56 Cyl 4.3 L GAS
    2000-2013 Chevrolet Silverado 1500Base, LS, LT, WT6 Cyl 4.3 L GAS
    2007 Chevrolet Silverado 1500 ClassicLS, WT6 Cyl 4.3 L GAS
    2000-2001 GMC JimmyDiamond Edition, Envoy, SL, SLE, SLS, SLT6 Cyl 4.3 L GAS
    2000-2005 GMC SafariBase, SL, SLE, SLT6 Cyl 4.3 L GAS
    2001-2014 GMC Savana 1500Base, LS, LT, SLE, SLT6 Cyl 4.3 L GAS
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 12599650 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12599650 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the first step to replace the valve rocker arm and push rod for the 2003 Chevrolet Astro? Posted by Customer
    A:
    First, remove the valve rocker arm cover.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    How should parts to be reused be handled for the 2005 Chevrolet Blazer? Posted by Customer
    A:
    Ensure that parts to be reused are marked and organized.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    How should the crankshaft be positioned before tightening the valve rocker arm bolts for the 2004 Chevrolet Express 1500? Posted by Customer
    A:
    Rotate the crankshaft until the number one piston is at Top Dead Center (TDC) of the compression stroke, positioning the crankshaft sprocket key at the 1:30 position.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    How should parts be organized during installation for the 2002 Chevrolet Express 2500? Posted by Customer
    A:
    Keep parts in order and reinstall them in their original locations.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What should be checked on the valve pushrods for the 2002 Chevrolet S10? Posted by Customer
    A:
    Check for oil passage restrictions, wear or scoring on the end contact surfaces, and bends by rolling them on a flat surface.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What is the procedure for reinstalling the rocker arm pivot support and pushrods for the 2007 Chevrolet Silverado 1500? Posted by Customer
    A:
    Install the rocker arm pivot support, ensuring the pushrods seat properly in the valve lifter sockets, then install the pushrods, making sure they seat correctly in the rocker arms without tightening the bolts yet.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What is the final step after tightening the rocker arm bolts for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Finally, install the rocker arm cover.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What is the first step to replace the valve rocker arm and push rod for the 2003 GMC Safari? Posted by Customer
    A:
    First, remove the valve rocker arm cover.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    How should the parts be organized during installation for the 2001 GMC Savana 1500? Posted by Customer
    A:
    Keep parts in order and reinstall them in their original locations.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What should be done before installing the new valve pushrods and valve rocker arms for the 2002 GMC Savana 3500? Posted by Customer
    A:
    Clean and inspect all parts.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What is the correct order of installation after lubrication for the 2009 GMC Sierra 1500? Posted by Customer
    A:
    Install the rocker arm pivot support, ensuring the pushrods seat properly in the valve lifter sockets, followed by the pushrods, then the rocker arms and bolts.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What additional inspection is needed for the valve rocker support for the 2001 GMC Jimmy? Posted by Customer
    A:
    Inspect the valve rocker support for excessive wear or damage.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What should be done after tightening the bolts for the first set of cylinders for the 2003 GMC Savana 2500? Posted by Customer
    A:
    Rotate the crankshaft 360 degrees and then tighten the valve rocker arm bolts for cylinders 3, 4, 5, and 6 exhaust to 30 Nm (22 ft. lbs.) and for cylinders 2, 6, 7, and 8 intake to 30 Nm (22 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    Q:
    What is the first step to replace the valve rocker arm and push rods for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    First, mark, sort, and organize all components for assembly.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Rocker Arm
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Rocker Arms 12599650 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12599650 Rocker Arms is available in the market under the name GM Rocker Arm. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12599650 Rocker Arms fits certain Chevrolet S10, Silverado 1500, Blazer models, as well as GMC Sierra 1500, Sonoma, Jimmy. Additionally, it is compatible with Oldsmobile Bravada models.
The original GM component designated by manufacturer part number 12599650 maintains top performance when functioning as the Arm, Valve Rocker; Rocker Arm unit. The component 12599650 is constructed from durable material and its dimensions span 3.2 x 2.2 x 2.2 inches while weighing 0.70 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Arm, Engine Valve Rocker. The part 12599650 has available replacement options 12555580. Each vehicle needs 12 units of the part marked as SKU 12599650. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
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