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GM 12587556 Manifold, Upper Intake

2004-2007 GM

Customer Questions & Expert Answers (3)
12587556 GM Manifold, Upper Intake Illustration 1 of 1
  • Part Description
    MANIFOLD, Engine Fuel Intake Manifold
  • Position
    Upper
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12587556
    Part DescriptionMANIFOLD, Engine Fuel Intake Manifold
    Other NamesIntake Plenum
    Item Dimensions7.4 x 26.0 x 23.9 inches
    Item Weight13.30 Pounds
    PositionUpper
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12587556
    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
    2004-2007 Cadillac CTS6 Cyl 2.8L, 6 Cyl 3.6L4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR
    2004-2006 Cadillac SRX6 Cyl 3.6L4 DOOR, SRX, V8 4 DOOR
    2005 Cadillac STS6 Cyl 3.6L4 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 12587556 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What electrical connections need to be disconnected during the removal process for the 2004 Cadillac CTS? Posted by Ashlynn F.
    A:
    Disconnect the electrical connector to the throttle body, as well as the electrical connectors from the fuel injectors, EVAP solenoid, MAP sensor, and throttle body sensors, labeling each connector for reassembly. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / May 10, 2022
    Q:
    What should be done with the wiring harness and battery for the 2005 Cadillac CTS when replacing the Intake Manifold? Posted by Veera S.
    A:
    Disconnect the wiring harness fasteners mounting the harness to the Engine Control Module (ECM) bracket, disconnect the cable from the negative battery terminal, and remove the after run coolant pump-to-ECM mounting bracket fasteners, setting the pump aside. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / Aug 08, 2024

Genuine GM Part 12587556, the Right Choice

To ensure reliability, purchase GM part # 12587556 Manifold, Upper Intake. It is sometimes referred to as GM Intake Manifold. 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 Cadillac CTS, SRX, STS models.

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