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


  • Idler Arm with Bracket
  • Replaces dealer part numbers: 45490-39355, 45490-39375, 4549039355, 4549039375
  • Attaches to relay rod or drag link
  • Direct replacement
  • Built to strict quality control standards
  • Fits 4WD (Four Wheel Drive) models only

Your idler arm connects to the center link on the passenger side of your steering linkage. Typically it supports the right hand side of your steering linkage by bolting to the frame and pivoting the same as the pitman arm. Over time the greasable ends and even the holes in the arm can wear causing loose connections and a sloppy steering feel.

Remember whenever you are replacing any front end or steering components you should have your vehicle professionally aligned as soon as possible.

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.

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Vehicle Fit

Year Make Model Description
1986-1995Toyota 4Runner Toyota 4Runner 4 Wheel Drive Idler Arm
1986-1995Toyota Pickup Toyota Pickup 4 Wheel Drive Idler Arm
1993-1998Toyota T100 Toyota T100 4 Wheel Drive Idler Arm

This part replaces:

  • OE # 4549039375
  • OE # 4549039355
  • Moog K9424
  • OE # 45490-39355, 45490-39375
Part #: 1ASIA00016

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout