Specifications:

  • Mounts on RH (Passenger Side) Front Frame
  • Idler arm bolts to it
  • Commonly referred to as the Idler Arm Housing
  • Direct replacement
  • Built to strict quality control standards

Our electrical and electronic parts are subject to strict quality control testing .  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

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. step : Removing the Idler Arm (0:28)
    • Straighten out the cotter pin
    • Remove the cotter pin
    • Loosen and remove the castle nut
    • Insert a two-jaw puller on both sides of the steering arm
    • Tighten the puller to break the idler arm free
    • Remove the 21mm nuts from the idler bracket
    • Remove the idler arm and bracket
  2. step : Removing the Idler Arm Bracket (4:11)
    • Remove the 24mm nut on the idler arm
    • Remove the idler arm from the idler arm bracket with a two jaw puller
  3. step : Installing the Idler Arm Bracket (7:06)
    • Slide the arm onto the bracket
    • Tighten the 24mm bolt to the idler arm with a 12mm and 24mm wrench
    • Grease the idler arm and bracket
  4. step : Installing the Idler Arm (8:14)
    • Slide the idler arm into place
    • Tighten the 21mm bolts to the idler arm bracket
    • Tighten the 21mm castle nut
    • Slide the cotter pin into the castle nut
    • Bend the cotter pin to secure the nut

Tools needed for replacement:

    Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Vise Grip Pliers
  • Side Cutters

  • Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Sockets - Metric

  • 24mm Socket
  • 21mm Socket

  • Specialty Tools

  • 2 Jaw Gear Puller
  • Grease Gun

  • Wrenches - Metric

  • Complete Metric Wrench Set

There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!

How-to Video:

(10:01 min)

Tools List:

    Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Vise Grip Pliers
  • Side Cutters

  • Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Sockets - Metric

  • 24mm Socket
  • 21mm Socket

  • Specialty Tools

  • 2 Jaw Gear Puller
  • Grease Gun

  • Wrenches - Metric

  • Complete Metric Wrench Set



This part replaces:

  • OE # 12471378
  • OE # 19149615
  • Moog K6723
  • OE # 12471378, 19149615

Vehicle Fit

  • 2002-2006 Cadillac Escalade Idler Arm Bracket Assembly
  • 2003-2006 Cadillac Escalade ESV Idler Arm Bracket Assembly
  • 2002-2006 Cadillac Escalade EXT Idler Arm Bracket Assembly
  • 2002-2006 Chevy Avalanche 1500 Idler Arm Bracket Assembly
  • 2002-2006 Chevy Avalanche 2500 Idler Arm Bracket Assembly
  • 2003-2015 Chevy Express 2500 Van Idler Arm Bracket Assembly
  • 2003-2015 Chevy Express 3500 Van Idler Arm Bracket Assembly
  • 1999-2007 Chevy Silverado 1500 4 Wheel Drive Idler Arm Bracket Assembly
  • 2007 Chevy Silverado 1500 Classic 4 Wheel Drive Idler Arm Bracket Assembly
  • 2001-2003 Chevy Silverado 1500 HD 4 Wheel Drive Idler Arm Bracket Assembly
  • 2005-2006 Chevy Silverado 1500 HD 4 Wheel Drive Idler Arm Bracket Assembly
  • 2007 Chevy Silverado 1500 HD Classic 4 Wheel Drive Idler Arm Bracket Assembly
  • 1999-2004 Chevy Silverado 2500 Idler Arm Bracket Assembly
  • 2001-2010 Chevy Silverado 2500 HD Idler Arm Bracket Assembly
  • 2007 Chevy Silverado 2500 HD Classic Idler Arm Bracket Assembly
  • 2001-2010 Chevy Silverado 3500 Idler Arm Bracket Assembly
  • 2007 Chevy Silverado 3500 Classic Idler Arm Bracket Assembly
  • 2000-2006 Chevy Suburban 1500 Idler Arm Bracket Assembly
  • 2000-2013 Chevy Suburban 2500 Idler Arm Bracket Assembly
  • 2000 Chevy Tahoe excluding Z71 Models Idler Arm Bracket Assembly
  • 2001-2006 Chevy Tahoe Idler Arm Bracket Assembly
  • 2003-2015 GMC Savana 2500 Van Idler Arm Bracket Assembly
  • 2003-2015 GMC Savana 3500 Van Idler Arm Bracket Assembly
  • 1999-2006 GMC Sierra 1500 4 Wheel Drive Idler Arm Bracket Assembly
  • 2005-2006 GMC Sierra 1500 4 Wheel Drive Idler Arm Bracket Assembly
  • 2007 GMC Sierra 1500 Classic 4 Wheel Drive Idler Arm Bracket Assembly
  • 2001-2003 GMC Sierra 1500 HD 4 Wheel Drive Idler Arm Bracket Assembly
  • 1999-2004 GMC Sierra 2500 Idler Arm Bracket Assembly
  • 2001-2010 GMC Sierra 2500 HD Idler Arm Bracket Assembly
  • 2007 GMC Sierra 2500 HD Classic Idler Arm Bracket Assembly
  • 2001-2010 GMC Sierra 3500 Idler Arm Bracket Assembly
  • 2007 GMC Sierra 3500 Classic Idler Arm Bracket Assembly
  • 2000 GMC Yukon excluding Denali Models Idler Arm Bracket Assembly
  • 2001-2006 GMC Yukon Idler Arm Bracket Assembly
  • 2000-2006 GMC Yukon XL 1500 Idler Arm Bracket Assembly
  • 2000-2013 GMC Yukon XL 2500 Idler Arm Bracket Assembly
  • 2003-2009 Hummer H2 Idler Arm Bracket Assembly
Part #: 1ASIA00021

Ships Same Day for orders placed by 4 P.M. ET

We're here to help

1A Auto Parts

Customer Feedback

"Thanks for the fast reliable service. Great price, and the headlights were as good as oem or better!!! Keep up the good work..."
- Dwuan M.
Read More