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GMC 84045103 Steering Knuckle

2011-2019 GMC Sierra

Customer Questions & Expert Answers (3)
GM 84045103 Steering Knuckle
  • Part Description
    Knuckle, Steering ; Knuckle, Strg
  • Replaces
    20872162, 22752926
  • Manufacturer
    General Motors
Make sure this part fits
$145.63 MSRP: $253.46
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number84045103
    Part DescriptionKnuckle, Steering ; Knuckle, Strg
    Other NamesKnuckle
    Item Dimensions21.8 x 15.5 x 13.7 inches
    Item Weight32.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces20872162, 22752926
    ManufacturerGeneral Motors
    SKU84045103
    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
    2011-2019 GMC Sierra8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel1 TON CREW CAB, 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
  • Customer Questions & Expert Answers

    Q:
    Do these parts fit my vehicle? Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 84045103 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 components should be removed before removing the steering knuckle for the 2012 GMC Sierra? Posted by Customer
    A:
    Remove the brake caliper and brake disc, and hang the caliper out of the way on a piece of wire. Also, remove the hub and bearing assembly, and the disc splash shield from the steering knuckle.
    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 84045103, the Right Choice

To ensure reliability, purchase GM part # 84045103 Steering Knuckle. It is sometimes referred to as GMC 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 GMC Sierra models.

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