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ACDelco 45C1121 Duramax Idler Arm 2500HD/3500HD 2001-2010

45C1121 - 14B
Pricing: $144.95



ACDelco's Professional Steering Idler Arm serves as a pivot point for the steering linkage assembly in your vehicle, and is a high quality replacement for many vehicles on the road today. The steering idler arm is attached on the opposite side of the center link from the pitman arm and to the vehicle frame, which supports the center link. This premium aftermarket replacement component is manufactured to meet your expectations for fit, form, and function.


  • Design helps reduce side-to-side play
  • Undergoes extreme impact, wear, and fatigue testing to help with quality and durability
  • Induction hardened to match OE fatigue life
  • Greaseable where applicable: Allows new lubricant to flush contaminants from the assembly, reducing corrosion and wear
  • Corrosion-resistant coating

Vehicle Applications:

  • 2001-2010 Chevrolet/GMC 6.6L Duramax 2500HD/3500HD 6.6L Duramax

Related Parts:

  • GM 89000787
  • GM 19153392
  • GM 12479350
  • GM 12471383
  • GM 29064019



Shipping Information

  • Item Requires Shipping
  • 3.4 lbs.
  • W11.0000” x H4.0000” x L3.0000”

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