Replaces

1999-2006 GMC Sierra 1500 3 Groove Pitman Arm

This part replaces:

  • OE # 12479051

  • New

This replacement pitman arm is just what you need to ensure the safety and integrity of your vehicle's suspension and steering.

Specifications:

  • Kit includes (1) Pitman Arm Assembly as shown
  • 3 Groove design
  • Replaces one of many dealer part numbers including: 12479051
  • Connects at steering box and to relay arm
  • Direct replacement
  • Built to strict quality control standards
  • Does NOT fit models with Rack & Pinion Steering

Your pitman arm connects the steering box to the center link and the rest of the steering linkage. Over time the greasable ends and even the holes in the arm can wear causing loose connections and a sloppy steering feel.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. Removing the Wheel (0:44)
    • Loosen the lug nut covers with a 22mm socket
    • Pry off the center cap by hand
    • Loosen the lug nuts with the vehicle on the ground
    • Raise the vehicle with a floor jack
    • Secure the vehicle on jack stands
    • Remove the lug nuts
    • Pull off the wheel
  2. Removing the Outer Tie Rod (1:10)
    • Measure the distance from the boot of the inner tie rod to the edge of the outer tie rod
    • Make note of this measurement
    • Loosen the nut that holds the outer tie rod to the inner tie rod with an adjustable wrench
    • Remove the 18mm nut from the outer tie rod end
    • Strike the steering knuckle with a hammer to loosen the outer tie rod
    • Pull the outer tie rod out of the steering knuckle
    • Hold the nut that holds the outer tie rod to the inner tie rod with an adjustable wrench
    • Twist off the outer tie rod by hand
  3. Installing the New Outer Tie Rod (2:08)
    • Attach the grease fitting to the new outer tie rod
    • Tighten the grease fitting with a 7mm socket and ratchet
    • Twist the new outer tie rod onto the inner tie rod
    • Push the outer tie rod into the steering knuckle
    • Fasten the 18mm castle nut onto the outer tie rod
    • Push the cotter pin through the castle nut
    • Twist the cotter pin into place with needle nose pliers
    • Fill the tie rod with grease, using a grease gun
    • Measure the distance from the boot of the inner tie rod to the edge of the outer tie rod
    • This should be the same as the measurement noted in Step 2
    • Tighten the nut that holds the outer tie rod to the inner tie rod with an adjustable wrench
  4. Reattaching the Wheel (3:33)
    • Slide the wheel into place
    • Start the lug nuts by hand
    • Tighten the lug nuts preliminarily
    • Lower the vehicle to the ground
    • Tighten the lug nuts to 100 foot-pounds in a crossing or star pattern
    • Reattach the center cap
    • Tighten the lug nut covers with a 22mm socket

Tools needed for replacement:

    General Tools

  • Hammer

  • Materials, Fluids, and Supplies

  • Bearing Grease

  • Pliers, Cutters & misc Wrenches

  • Adjustable Wrench
  • Needle nose pliers

  • Ratchets & Related

  • Ratchet
  • Torque Wrench

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Specialty Tools

  • Grease Gun

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How-to Video:

(04:28 min)

Tools List:

    General Tools

  • Hammer

  • Materials, Fluids, and Supplies

  • Bearing Grease

  • Pliers, Cutters & misc Wrenches

  • Adjustable Wrench
  • Needle nose pliers

  • Ratchets & Related

  • Ratchet
  • Torque Wrench

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Specialty Tools

  • Grease Gun



This part replaces:

  • OE # 12479051

Vehicle Fit

  • 2002-2006 Cadillac Escalade 3 Groove Pitman Arm
  • 2003-2006 Cadillac Escalade ESV 3 Groove Pitman Arm
  • 2002-2006 Cadillac Escalade EXT 3 Groove Pitman Arm
  • 2002-2006 Chevy Avalanche 2500 Pitman Arm
  • 1999-2006 Chevy Silverado 1500 3 Groove Pitman Arm
  • 2007 Chevy Silverado 1500 Classic 3 Groove Pitman Arm
  • 2001-2003 Chevy Silverado 1500 HD Pitman Arm
  • 2005-2007 Chevy Silverado 1500 HD Pitman Arm
  • 1999-2004 Chevy Silverado 2500 3 Groove Pitman Arm
  • 2001-2006 Chevy Silverado 2500 HD 3 Groove Pitman Arm
  • 2007 Chevy Silverado 2500 HD Classic 3 Groove Pitman Arm
  • 2001-2006 Chevy Silverado 3500 Pitman Arm
  • 2007 Chevy Silverado 3500 Classic Pitman Arm
  • 2004-2007 Chevy Silverado Hybrid 3 Groove Pitman Arm
  • 2001-2006 Chevy Suburban 2500 3 Groove Pitman Arm
  • 1999-2006 GMC Sierra 1500 3 Groove Pitman Arm
  • 2007 GMC Sierra 1500 Classic 3 Groove Pitman Arm
  • 2001-2003 GMC Sierra 1500 HD Pitman Arm
  • 2005-2007 GMC Sierra 1500 HD Pitman Arm
  • 1999-2004 GMC Sierra 2500 3 Groove Pitman Arm
  • 2001-2006 GMC Sierra 2500 HD 3 Groove Pitman Arm
  • 2007 GMC Sierra 2500 HD Classic 3 Groove Pitman Arm
  • 2001-2006 GMC Sierra 3500 Pitman Arm
  • 2007 GMC Sierra 3500 Classic Pitman Arm
  • 2005-2007 GMC Sierra Hybrid 3 Groove Pitman Arm
  • 2001-2006 GMC Yukon XL 2500 3 Groove Pitman Arm
  • 2003-2008 Hummer H2 3 Groove Pitman Arm
  • 2009 Hummer H2 Pitman Arm
$40.95
Save 71%
List: $143.42 Save: $102.47
Part #: 1ASPA00008

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