Mevotech GK8158 Steering Idler Arm - Front

Brand Mevotech GK8158
Position Front
Length 6.84
Washer Included Yes
Finish Corrosion resistant
Castle Nut Included Yes
Arm Attachment Type Bushing
Cotter Pin Included Yes
Fits Ford and Mercury · 8 vehicles

Corrosion resistant finish. Helps protect the steering idler arm from wear and the elements.

Bushing attachment. Provides a secure connection for steering system operation.

Hardware included. Castle nut and cotter pin are included for installation.

Cross-references Delphi TA5652, Gates 20225 and Mevotech Original Grade GK8158 for the same application. See all 13.

$62.26Free 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 $62.26
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Mevotech GK8158 Steering Idler Arm

The Mevotech GK8158 steering idler arm is a front steering replacement for classic Ford and Mercury applications. Built with a corrosion-resistant finish and OE-style attachment details, it is made for restoring steering linkage function on 1967-1970 Ford Mustang and 1967-1970 Mercury Cougar models.

Key Features

  • Front steering idler arm for classic Mustang and Cougar applications
  • Corrosion-resistant finish for added protection in service
  • Bushing-style arm attachment type
  • Washer, castle nut, and cotter pin included
  • Length: 6.84
  • Mevotech GK8158 / GK8158 replacement part number

Detailed Description

Mevotech GK8158 is a steering idler arm designed for 1967-1970 Ford Mustang and 1967-1970 Mercury Cougar front steering systems. It uses a bushing attachment type and includes the washer, castle nut, and cotter pin specified in the product data. The corrosion-resistant finish helps protect the component in undercar conditions, while the OE-replacement design supports proper steering linkage geometry for these classic vehicles. This part cross-references MOOG Chassis Products K8158 for the same application.

What It Helps Address

  • Loose or wandering steering feel in a Ford Mustang or Mercury Cougar
  • Excessive play in the front steering linkage
  • Wear-related steering response issues from an aging idler arm
  • Corrosion on the original steering component
  • Restoration work requiring a direct-fit steering idler arm replacement

Installation Notes and Tips

Verify front steering fitment before installation on 1967-1970 Ford Mustang and 1967-1970 Mercury Cougar models. Inspect related steering linkage parts for wear, and confirm the bushing attachment point, washer, castle nut, and cotter pin are seated correctly during assembly. After installation, check steering alignment and road-test the vehicle to confirm proper operation.

Quality Assurance

Mevotech supplies chassis and steering components for OE-replacement applications, and the GK8158 is built to restore original steering performance, handling, and ride characteristics on the listed vehicles.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
1970FordMustangAutomaticFrontPremium OE Replacement; Designed to Restore OE Performance, Handling, and Ride
1970MercuryCougarAutomaticFrontPremium OE Replacement; Designed to Restore OE Performance, Handling, and Ride
1969FordMustangAutomaticFrontPremium OE Replacement; Designed to Restore OE Performance, Handling, and Ride
1969MercuryCougarAutomaticFrontPremium OE Replacement; Designed to Restore OE Performance, Handling, and Ride
1968FordMustangAutomaticFrontPremium OE Replacement; Designed to Restore OE Performance, Handling, and Ride
1968MercuryCougarAutomaticFrontPremium OE Replacement; Designed to Restore OE Performance, Handling, and Ride
1967FordMustangAutomaticFrontPremium OE Replacement; Designed to Restore OE Performance, Handling, and Ride
1967MercuryCougarAutomaticFrontPremium OE Replacement; Designed to Restore OE Performance, Handling, and Ride
Directly replaces or cross-references 13 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Delphi — TA5652Gates — 20225Mevotech Original Grade — GK8158Mevotech Supreme — MK8158MOOG Chassis Products — K81584K8158620.6100319382662C7ZZ3350AFA570HGK8158IK8158JIA230