Make sure this part fits

Hummer 12629472 Ignition Coil

2007-2010 Hummer

Customer Questions & Expert Answers (2)
12629472 GM Ignition Coil Product Photo 1 of 3
  • Part Description
    Coil, Ignition Coil
  • Replaced By
    19421261
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Hummer
    Manufacturer Part Number12629472
    Part DescriptionIgnition Coil; Coil, Ignition Coil
    Item Dimensions6.4 x 3.3 x 3.1 inches
    Item Weight0.90 Pounds
    ConditionNew
    ManufacturerGeneral Motors
    SKU12629472
    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
    2007-2010 Hummer H35 Cyl 3.7LCREW CAB, SUV
    2009-2010 Hummer H3T5 Cyl 3.7LCREW CAB, SUV
  • 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 12629472 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How to remove and install Ignition Coils on Chevrolet Trailblazer? Posted by Khalid D.
    A:
    For six-cylinder models,Disconnect the cable from the negative battery terminal. Remove the air intake duct and resonator from the throttle body. Disconnect the electrical connector from the ignition coil (Disengage the connector lock then unplug the electrical connector). Remove the ignition coil mounting bolt and remove the assembly from the valve cover (remove the ignition coil mounting bolt then pull the coil from the valve cover). Check the seals on the coils for cracks or other signs of damage, replacing them as necessary (Install new seal(s) on the ignition coil(s) if they are damaged or hardened). Installation is otherwise the reverse of removal. Tighten the mounting bolt to the specific torque.V8 MODELS: Disconnect the cable from the negative battery terminal. The ignition coils may be removed from each cylinder bank as a complete assembly or removed from the mounting bracket individually. If removing the complete assembly, disconnect the ignition coil main electrical connector. Disconnect the spark plug wires from the spark plugs. Remove the ignition coil bracket mounting nuts/bolts and remove the assembly from the engine. If removing the individual coil, disconnect the spark plug wire from the coil. Remove the ignition coil mounting screws and remove the ignition coil from the bracket (Remove the ignition coil mounting screws). Installation is the reverse of removal.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Dec 30, 2022

Genuine GM Part 12629472, the Right Choice

To ensure reliability, purchase GM part # 12629472 Ignition Coil. It is sometimes referred to as Hummer Ignition Coil. 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 Hummer H3, H3T models.

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