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Pontiac 12579355 Plug Wire

2005-2009 Pontiac

Customer Questions & Expert Answers (3)
12579355 GM Plug Wire Product Photo 1 of 9
  • Part Description
    Wire, Plug Or Coil
  • Manufacturer
    General Motors
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number12579355
    Part DescriptionPlug Wire; Wire, Plug Or Coil
    Item Dimensions6.2 x 4.1 x 3.1 inches
    Item Weight0.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12579355
    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
    2008-2009 Pontiac G88 Cyl 6.0L, 8 Cyl 6.2L4 DOOR SEDAN, G-8
    2005-2008 Pontiac Grand Prix8 Cyl 5.3L4 DOOR, GT 4 DOOR, GT2 4 DOOR, GTP 4 DOOR, GXP 4 DOOR
    2005-2006 Pontiac GTO8 Cyl 6.0LGTO
  • 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 12579355 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should you do if replacement of Spark Plug Wires is necessary for the 2012 GMC Sierra? Posted by Hunner L.
    A:
    If replacement is necessary, obtain a new set tailored to your engine model, and replace the wires one at a time to avoid firing order mix-ups. Pay close attention to the wire routing, and on V6 engines, release the ignition wire loom clamps to swap the wires before securing the clamps onto the new wires. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Jun 03, 2025
    Q:
    How can you visually inspect Spark Plug Wires for the 2012 Chevrolet Suburban? Posted by Ros P.
    A:
    Perform a visual inspection of the spark plug wires while the engine is running in a well-ventilated, dimly lit area. Carefully observe each plug wire for any signs of arcing or sparking at damaged areas. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Nov 04, 2022

Genuine GM Part 12579355, the Right Choice

To ensure reliability, purchase GM part # 12579355 Plug Wire. It is sometimes referred to as Pontiac Spark Plug Wires. 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 Pontiac G8, Grand Prix, GTO models.

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