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GM 12590280
Intake Manifold

2000-2005 GM

Customer Questions & Expert Answers (38)
GM 12590280 Intake Manifold
  • Part Description
    Manifold, Engine Fuel Intake Manifold
  • Position
    Lower
  • Replaces
    12579681, 12582983, 24507497
  • 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 Number12590280
    Part DescriptionManifold, Engine Fuel Intake Manifold
    Other NamesManifold
    Item Dimensions20.1 x 14.1 x 8.0 inches
    Item Weight13.20 Pounds
    PositionLower
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12579681, 12582983, 24507497
    ManufacturerGeneral Motors
    SKU12590280
    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
    2000-2005 Buick CenturyCustom, Limited, Special Edition6 Cyl 3.1 L GAS
    2002-2005 Buick RendezvousCX, CX Plus, CXL, CXL Plus6 Cyl 3.4 L GAS
    2000-2005 Chevrolet ImpalaBase6 Cyl 3.4 L GAS
    2000-2001 Chevrolet LuminaBase6 Cyl 3.1 L GAS
    2000-2003 Chevrolet MalibuBase, LS6 Cyl 3.1 L GAS
    2000-2005 Chevrolet Monte CarloLS, LS Competition, LS Sport6 Cyl 3.4 L GAS
    2000-2005 Chevrolet VentureBase, LS, LT, Plus, Value, Warner Bros.6 Cyl 3.4 L GAS
    2000-2004 Oldsmobile AleroGL, GLS, GX6 Cyl 3.4 L GAS
    2000-2004 Oldsmobile SilhouetteGL, GLS, Premiere6 Cyl 3.4 L GAS
    2001-2005 Pontiac AztekBase, GT, Rally6 Cyl 3.4 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Is this 12590280 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12590280 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done with the left side spark plug wires for the 2004 Buick Century? Posted by Customer
    A:
    Reconnect the left side spark plug wires to the spark plugs.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What components should be removed after disconnecting the hoses for the 2000 Buick Century? Posted by Customer
    A:
    The ignition coil bracket with the coils, the purge solenoid, and the vacuum canister solenoid.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be removed from the lower intake manifold for the 2005 Buick Century? Posted by Customer
    A:
    Remove the heater inlet pipe nut and the heater inlet pipe with hose, the radiator inlet hose, thermostat bypass hose, and lower intake manifold bolts.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What components should be removed from the lower intake manifold for the 2003 Buick Century? Posted by Customer
    A:
    Remove the heater inlet pipe nut and the heater inlet pipe with hose, the radiator inlet hose, thermostat bypass hose, and lower intake manifold bolts.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What final steps should be taken to complete the installation for the 2001 Buick Century? Posted by Customer
    A:
    Reconnect the fuel injector and MAP wiring harness, the ECT wiring harness, and reinstall both valve rocker arm covers, the upper intake manifold, and reconnect the battery ground cable.
    Posted by ChevyPartsGiant Specialist
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    Q:
    Which hoses need to be disconnected for the 2000 Buick Century? Posted by Customer
    A:
    Disconnect the heater inlet pipe and radiator inlet hose, then disconnect the thermostat bypass hose.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the next step after removing the hoses and components for the 2002 Buick Century? Posted by Customer
    A:
    Remove the right upper intake manifold bolts and studs, followed by the left upper intake manifold bolts, and then take out the upper intake manifold and its gasket.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the final step in the process for the 2004 Buick Rendezvous? Posted by Customer
    A:
    Reinstall the engine right and left side valve rocker arm covers and the upper intake manifold.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the order of reinstallation for the push rods and valve rocker arms for the 2002 Buick Rendezvous? Posted by Customer
    A:
    Reinstall the push rods and tighten the valve rocker arms before placing the lower intake manifold.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the spark plug wires for the 2005 Buick Rendezvous? Posted by Customer
    A:
    Disconnect the engine left side spark plug wires and their harness attachment clip.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What needs to be connected to the throttle body for the 2003 Buick Rendezvous? Posted by Customer
    A:
    Connect the throttle body heater hoses, the engine left side spark plug wire harness attachment clip, and the engine left side spark plug wires.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done if replacing the upper intake manifold for the 2003 Chevrolet Impala? Posted by Customer
    A:
    Remove the throttle body and clean the upper intake gasket mating surfaces.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What cables need to be detached from the throttle body for the 2002 Chevrolet Impala? Posted by Customer
    A:
    Detach the accelerator control and cruise control cables with bracket from the throttle body.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What components need to be removed after disconnecting the vacuum hoses for the 2002 Chevrolet Malibu? Posted by Customer
    A:
    Remove the electronic ignition coil and module assembly, throttle cable bracket with cables, EVAP canister purge solenoid, Throttle Position (TP) sensor, Idle Air Control (IAC) sensor, fuel injector harness, and the Manifold Absolute Pressure (MAP) sensor.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the order of reinstallation for the components for the 2000 Chevrolet Malibu? Posted by Customer
    A:
    Reinstall the valve rocker arms and pushrods, followed by the lower intake manifold.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the fuel pipe clip bolt and fuel injector rail for the 2001 Chevrolet Monte Carlo? Posted by Customer
    A:
    Remove the fuel pipe clip bolt and the fuel injector rail, then reposition the power steering pump aside.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What additional wiring harness attachments need to be disconnected for the 2000 Chevrolet Impala? Posted by Customer
    A:
    Disconnect the wiring harness attachment clips for the camshaft position (CMP) sensor and left spark plug wire harness.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be connected after installing the lower intake manifold for the 2001 Chevrolet Lumina? Posted by Customer
    A:
    Connect the heater inlet pipe and heater hose, reinstall the power steering pump, and install the fuel injector rail.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the upper intake manifold for the 2001 Chevrolet Impala? Posted by Customer
    A:
    Disconnect the battery ground (negative) cable and the wiring harness connection from the intake air temperature (IAT) sensor in the throttle body air inlet duct.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done after installing the lower intake manifold for the 2001 Chevrolet Impala? Posted by Customer
    A:
    Reinstall the heater inlet pipe and nut, tightening the nut to 25 Nm, followed by the thermostat, water outlet bolts, and engine coolant temperature sensor, which should be tightened to 23 Nm.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done to the gasket and seal surfaces for the 2001 Chevrolet Malibu? Posted by Customer
    A:
    Clean all gasket and seal surfaces.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What components should be installed after applying RTV sealer for the 2000 Chevrolet Lumina? Posted by Customer
    A:
    Install the lower intake manifold gaskets, push rods, and valve rocker arms.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done if replacing the upper intake manifold for the 2004 Chevrolet Monte Carlo? Posted by Customer
    A:
    Remove the throttle body and clean the upper intake gasket mating surfaces.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the fuel injector rail for the 2002 Chevrolet Malibu? Posted by Customer
    A:
    Remove the fuel injector rail with lines and position it aside.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be removed after the hoses for the 2005 Chevrolet Monte Carlo? Posted by Customer
    A:
    Remove the lower intake manifold bolts and the lower intake manifold itself, along with the valve rocker arms, pushrods, and lower intake manifold gaskets and seals.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What components need to be removed after cleaning the surfaces for the 2002 Chevrolet Monte Carlo? Posted by Customer
    A:
    Remove the ECT sensor and the water outlet bolts, then take out the water outlet and thermostat.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the upper intake manifold for the 2001 Chevrolet Lumina? Posted by Customer
    A:
    Disconnect the battery ground cable and the vacuum hose from the throttle body air inlet duct.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the lower intake manifold for the 2000 Chevrolet Monte Carlo? Posted by Customer
    A:
    First, remove the upper intake manifold.
    Posted by ChevyPartsGiant Specialist
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    Q:
    If replacing the lower intake manifold, what additional components need to be removed for the 2004 Chevrolet Impala? Posted by Customer
    A:
    Also remove the water outlet housing bolt and stud, the water outlet housing, the gasket, and the thermostat, as well as the ECT sensor.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the lower intake manifold bolts for the 2003 Chevrolet Malibu? Posted by Customer
    A:
    Remove the lower intake manifold bolts, discarding them.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step in the installation process for the 2003 Chevrolet Monte Carlo? Posted by Customer
    A:
    Install the thermostat and water outlet, tightening the water outlet bolts to 25 Nm (18 ft. lbs).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the lower intake manifold gaskets and seals for the 2002 Chevrolet Venture? Posted by Customer
    A:
    Take them out and clean the gasket and seal surfaces on the cylinder heads and engine block, inspecting the lower intake manifold for any damage.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What are the specifications for tightening the lower intake manifold bolts for the 2000 Chevrolet Venture? Posted by Customer
    A:
    Use new lower intake manifold bolts, tightening the vertical bolts (the four middle ones) to 7 Nm (62 lb in), then the diagonal bolts (two on each end) to 7 Nm (62 lb in), followed by the vertical bolts to 13 Nm (115 lb in) and the diagonal bolts to 25 Nm (18 lb ft).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the power steering pump for the 2001 Chevrolet Venture? Posted by Customer
    A:
    Remove the power steering pump from the front engine cover and set it aside.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How should the RTV Sealer be applied during installation for the 2004 Chevrolet Venture? Posted by Customer
    A:
    Apply an 8 - 12 mm (0.08 - 0.11 inch) bead on each ridge where the front and rear of the lower intake manifold contact the engine block.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the upper intake manifold for the 2003 Chevrolet Venture? Posted by Customer
    A:
    First, drain the engine coolant from the cooling system.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the power steering pump for the 2005 Chevrolet Venture? Posted by Customer
    A:
    Remove it from the front engine cover and set it aside.
    Posted by ChevyPartsGiant Specialist
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    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 12590280, Excellent Performance and Perfect Fitment

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