Moog K6331 Steering Idler Arm
OE Quality 60-Day Returns
Moog

Moog K6331 Steering Idler Arm

Brand Moog K6331
Length 142.0
Length 5.591
Pre-Greased Yes
Castle Nut Included Yes
Grease Fitting Included Yes
Mounting Hole Diameter 2.362
Mounting Hole Diameter 60.0
Fits Chevrolet and GMC · 32 vehicles

Pre-greased design. Ready for initial lubrication at installation.

Serviceable construction. Includes a grease fitting for routine maintenance.

Improved replacement. Designed to simplify installation and extend service life.

Cross-references Centric Parts 620.66017, Davico Mfg 19096 and Delphi TC1640 for the same application. See all 30.

$90.26Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $90.26
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Steering Idler Arm options

Steering Idler Arm Overview

The MOOG K6331 steering idler arm is built for classic Chevrolet and GMC truck steering systems that need a direct replacement with updated design details. It includes pre-greasing, a grease fitting, and a castle nut to support serviceable installation and routine maintenance.

  • Pre-greased for initial lubrication at installation.
  • Grease fitting included for future service access.
  • Castle nut included for a complete steering hardware match.
  • Improved design for extended service life and easier replacement.

Fitment Details

Compatible with 1988-1991 Chevrolet C1500, N/A; 1988-1991 Chevrolet C2500, N/A; 1988-1991 Chevrolet C3500, N/A with independent front suspension; 1988-1991 Chevrolet K1500, N/A; 1988-1991 GMC C1500, N/A; 1988-1991 GMC C2500, N/A; 1988-1991 GMC C3500, N/A with independent front suspension; and 1988-1991 GMC K1500, N/A. This part number is K6331.

This part cross-references Mevotech Supreme MK6331 and Delphi TC1640 for the same application.

Used For Common Steering Issues

  • Excess steering play caused by a worn idler arm.
  • Loose or inconsistent steering response in the linkage.
  • Noise or movement from a fatigued steering support component.
  • Service replacement when the original steering arm no longer holds alignment properly.

Installation Notes and Quality

Verify bracket and suspension configuration before installation, especially on applications noted with independent front suspension. Confirm all steering linkage points are inspected and adjusted as needed after replacement. MOOG positions this chassis component line around design updates that simplify replacement and extend product life. Part number K6331.

Related reading

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
1991ChevroletC1500Improved Design; Includes Bracket
1991ChevroletC2500Improved Design; Includes Bracket
1991ChevroletC3500with Independent Front Suspension; Improved Design; Includes Bracket
1991ChevroletK1500Improved Design; Includes Bracket
1991GMCC1500Improved Design; Includes Bracket
1991GMCC2500Improved Design; Includes Bracket
1991GMCC3500with Independent Front Suspension; Improved Design; Includes Bracket
1991GMCK1500Improved Design; Includes Bracket
1990ChevroletC1500Improved Design; Includes Bracket
1990ChevroletC2500Improved Design; Includes Bracket
1990ChevroletC3500with Independent Front Suspension; Improved Design; Includes Bracket
1990ChevroletK1500Improved Design; Includes Bracket
1990GMCC1500Improved Design; Includes Bracket
1990GMCC2500Improved Design; Includes Bracket
1990GMCC3500with Independent Front Suspension; Improved Design; Includes Bracket
1990GMCK1500Improved Design; Includes Bracket
1989ChevroletC1500Improved Design; Includes Bracket
1989ChevroletC2500Improved Design; Includes Bracket
1989ChevroletC3500with Independent Front Suspension; Improved Design; Includes Bracket
1989ChevroletK1500Improved Design; Includes Bracket
1989GMCC1500Improved Design; Includes Bracket
1989GMCC2500Improved Design; Includes Bracket
1989GMCC3500with Independent Front Suspension; Improved Design; Includes Bracket
1989GMCK1500Improved Design; Includes Bracket
1988ChevroletC1500Improved Design; Includes Bracket
1988ChevroletC2500Improved Design; Includes Bracket
1988ChevroletC3500with Independent Front Suspension; Improved Design; Includes Bracket
1988ChevroletK1500Improved Design; Includes Bracket
1988GMCC1500Improved Design; Includes Bracket
1988GMCC2500Improved Design; Includes Bracket
1988GMCC3500with Independent Front Suspension; Improved Design; Includes Bracket
1988GMCK1500Improved Design; Includes Bracket
Directly replaces or cross-references 30 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Centric Parts — 620.66017Davico Mfg — 19096Delphi — TC1640Mevotech Supreme — MK6331MOOG Chassis Products — K633109-8600045C110646C1106A268-3657268-3699450-1106450-1106B535-7593151479860002600112260011242600589626005899260164615229618862166017E-6434-TUE6434FA1618FC1618IA3657IA6331JIA209XK6331