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Chevrolet 12656531 Exhaust Manifold

2019-2021 Chevrolet Blazer

Customer Questions & Expert Answers (2)
GM 12656531 Exhaust Manifold
  • Part Description
    Manifold, Exhaust
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number12656531
    Part DescriptionManifold, Exhaust
    Item Dimensions21.9 x 11.8 x 7.2 inches
    Item Weight10.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12656531
    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
    2019-2021 Chevrolet Blazer4 Cyl 2.5LL 4 DOOR SUV, LT 4 DOOR SUV
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12656531 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove and reinstall exhaust manifolds? Posted by Customer
    A:
    Disconnect the cable from the negative battery terminal. Raise the vehicle and support it securely on jackstands. Apply penetrating oil to the studs and nuts that attach the catalytic converters to the exhaust manifolds as they're usually rusty. Remove the catalytic converter bolts and disconnect them from the exhaust manifolds. If you're working on a left (front) manifold, remove the oil dipstick tube. Disconnect the oxygen sensor electrical connectors, then unclip the wiring harness. Remove the exhaust manifold heat shield fasteners and shield. Remove the exhaust manifold mounting bolts. The lower bolts for the right (rear) manifold can be removed from under the vehicle. Lift off the exhaust manifolds and discard the gaskets. Check the manifold for cracks and make sure the bolt threads are clean and undamaged. The manifold and cylinder head mating surfaces must be clean before the manifolds are reinstalled-use a gasket scraper to remove all carbon deposits and gasket material. The cylinder heads are made of aluminum, therefore aggressive scraping is not suggested and will damage the sealing surfaces. Also, if any of the manifold bolts are broken, it indicates a warped manifold. Have the manifold machined at a cylinder head reconditioning shop prior to installing the manifold to the vehicle. If this is not done, the manifold may not seal properly and the new manifold bolts will probably break. Place the manifold on the cylinder head and install the mounting bolts finger light. When tightening the manifold bolts, work from the center to the ends and be sure to use a torque wrench. Tighten the bolts to the torque. If required, bend the exposed end of the exhaust manifold gasket back against the cylinder head. Apply an anti-seize compound to the threads of the outer heat shield bolts, then install the bolts and tighten them to the torque. The remainder of installation is the reverse of removal. Start the engine and check for exhaust leaks.
    Posted by GMPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12656531, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12656531 Exhaust Manifold. It is sometimes referred to as Chevrolet Exhaust Manifold. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Chevrolet Blazer models.

Affordable, reliable and built to last, GM part # 12656531 Exhaust Manifold stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed Chevrolet parts information, click here.

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