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GM 12578348
Exhaust Manifold, Passenger Side

2002-2007 GM

Customer Questions & Expert Answers (16)
GM 12578348 Exhaust Manifold, Passenger Side
  • Part Description
    Manifold, Engine Exhaust Manifold
  • Position
    Passenger Side
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12578348
    Part DescriptionManifold, Engine Exhaust Manifold
    Other NamesManifold
    Item Dimensions21.4 x 7.4 x 7.5 inches
    Item Weight10.20 Pounds
    PositionPassenger Side
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12578348
    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 Trim Engine
    2004-2005 Buick CenturyCustom, Limited, Special Edition6 Cyl 3.1 L GAS
    2006-2007, 2004 Buick RendezvousCX, CXL6 Cyl 3.4 L GAS, 6 Cyl 3.5 L GAS
    2005-2006 Buick TerrazaCX, CXL6 Cyl 3.5 L GAS
    2002-2005 Chevrolet ImpalaBase6 Cyl 3.4 L GAS
    2002-2005 Chevrolet Monte CarloLS, LS Competition, LS Sport6 Cyl 3.4 L GAS
    2005-2006 Chevrolet UplanderBase, LS, LT6 Cyl 3.5 L GAS
    2004-2005 Chevrolet VentureLS, LT, Plus6 Cyl 3.4 L GAS
    2004 Oldsmobile AleroGL, GLS6 Cyl 3.4 L GAS
    2004 Oldsmobile SilhouetteGL, GLS, Premiere6 Cyl 3.4 L GAS
    2004 Pontiac AztekBase, Rally6 Cyl 3.4 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Is this 12578348 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12578348 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    Which components need to be removed before taking off the right exhaust manifold for the 2005 Buick Century? Posted by Customer
    A:
    Remove the manifold absolute pressure (MAP) sensor, the ignition control module along with its bracket, and disconnect the heated oxygen sensor (HO2S) electrical connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What comes next after removing the right engine mount strut bracket for the 2004 Buick Century? Posted by Customer
    A:
    Remove the exhaust crossover pipe heat shield bolts and the heat shield itself.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after securing the exhaust manifold heat shield for the 2007 Buick Rendezvous? Posted by Customer
    A:
    Attach the exhaust crossover pipe nuts to the left exhaust manifold studs, tightening them to 25 N.m (18 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done with the exhaust manifold gasket for the 2005 Buick Terraza? Posted by Customer
    A:
    Remove it and clean the sealing surfaces of the engine left side exhaust manifold to the engine left side cylinder head.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step after removing the initial components for the 2004 Buick Rendezvous? Posted by Customer
    A:
    Proceed to remove the exhaust crossover pipe, followed by the exhaust manifold heat shield bolts and the heat shield itself.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after removing the HO2S components for the 2006 Buick Rendezvous? Posted by Customer
    A:
    Remove the ignition coil assembly and the spark plug wires from the right bank spark plugs.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after attaching the left exhaust manifold heat shield for the 2003 Chevrolet Impala? Posted by Customer
    A:
    Install the exhaust crossover pipe nuts to the left exhaust manifold, tightening them to 25 Nm (18 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step if replacing the manifold for the 2004 Chevrolet Impala? Posted by Customer
    A:
    Install the Heated Oxygen Sensor (HO2S) to it, followed by the lower and upper right exhaust manifold heat shields, and a new right exhaust manifold gasket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What follows the installation of the exhaust crossover pipe nuts for the 2002 Chevrolet Impala? Posted by Customer
    A:
    Install the exhaust crossover pipe heat shield and bolts, tightening them to 10 Nm (89 inch lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be disconnected next for the 2002 Chevrolet Monte Carlo? Posted by Customer
    A:
    Disconnect the Heated Oxygen (HO2S) sensor electrical connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step after lowering for the 2004 Chevrolet Monte Carlo? Posted by Customer
    A:
    Install the exhaust crossover pipe nuts to the right exhaust manifold, then the EVAP solenoid bracket.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after removing the left exhaust manifold for the 2005 Chevrolet Impala? Posted by Customer
    A:
    Clean and inspect the mating surfaces of the left exhaust manifold.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the next step after removing the exhaust manifold for the 2005 Chevrolet Venture? Posted by Customer
    A:
    Clean the sealing surfaces on the engine right side exhaust manifold and the cylinder head.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What should be done after reinstalling the HO2S and EGR valve pipe for the 2005 Chevrolet Uplander? Posted by Customer
    A:
    Raise and support the vehicle again, then install the exhaust manifold gasket and the exhaust manifold, tightening the nuts to 16 Nm (12 ft. lbs.).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    Q:
    What is the final step in the process for the 2004 Chevrolet Venture? Posted by Customer
    A:
    Reinstall the right engine mount strut bracket, fill the cooling system with engine coolant, and install the throttle body air inlet duct.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Exhaust Manifold
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 12578348, Excellent Performance and Perfect Fitment

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