Make sure this part fits

Hummer 25850470 Steering Knuckle Assembly

2003-2009 Hummer H2

Customer Questions & Expert Answers (4)
GM 25850470 Steering Knuckle Assembly
  • Part Description
    Knuckle Assembly, Steering ; Knuckle, Steering
  • Replaces
    18060908, 18079493
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
$332.66 MSRP: $525.78
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Currently Unavailable

Due to manufacturer supply shortage, this item isn’t currently available for ordering.

  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Hummer
    Manufacturer Part Number25850470
    Part DescriptionKnuckle Assembly, Steering ; Knuckle, Steering
    Other NamesKnuckle
    Item Dimensions6.7 x 15.4 x 11.9 inches
    Item Weight20.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces18060908, 18079493
    ManufacturerGeneral Motors
    SKU25850470
    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
    2003-2009 Hummer H28 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.2L FlexH2 HUMMER, PICKUP, SUV
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 25850470 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove the steering knuckle? Posted by Customer
    A:
    Firstly, loosen the wheel lug nuts and then lift up the car using the jack. Take off the wheel and remove the drive axle/hub nut if working on a 4WD model. Place a large pry bar across two of the wheel studs or insert a big screwdriver through the middle part of brake caliper into disc cooling vanes to avoid spinning of hub while undoing nut. Lift slightly by using a floor jack or similar device to support lower control arm in case models comes equipped with torsion bar suspension. Remove brake caliper and its disc, then hang them over on some wire without breaking brake hose as it may still be attached. Detach hub with bearing assembly together with disc splash shield from steering knuckle. Unscrew brake hose bracket from topmost part of steering knuckle, disconnect tie rod end from steering knuckle along with upper and lower arms for which this must be done too. For reinstallation, follow above procedure in reverse ensuring that torques to tighten hub & bearing assembly, ball joint, and tie rod fasteners are met. Set torque specifications when tightening caliper mounting bolts and drive axle/hub nut (for 4WD). Finally, tighten lug nuts according to torque specification for wheels.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done if the 2010 Chevrolet Silverado has a torsion bar suspension? Posted by Customer
    A:
    Support the lower control arm with a floor jack and raise the jack slightly.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Steering Knuckle
    Q:
    What steps should be followed to install the steering knuckle for the 2008 GMC Yukon? Posted by Customer
    A:
    Reverse the removal steps, ensuring that the hub and bearing assembly, balljoint, and tie-rod end fasteners are tightened to the torque specifications. Also, tighten the caliper mounting bolts to the torque specifications, and the driveaxle/hub nut to the torque specifications (4WD models). Finally, tighten the wheel lug nuts to the torque specifications.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Steering Knuckle
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 25850470, the Right Choice

To ensure reliability, purchase GM part # 25850470 Steering Knuckle Assembly. It is sometimes referred to as Hummer Steering Knuckle. 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 H2 models.

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