Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMK90421

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$122.99
MPN: CMK90421
UPC: 669719901147
Item Package Quantity: 1
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Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMK90421
Mevotech Supreme Suspension Control Arm and Ball Joint Assembly P/N:CMK90421
$122.99

Locate your front wheel and tie the steering knuckle to the chassis with the Mevotech Supreme control arm CMK90421 — a front left upper suspension control arm with a pre-assembled ball joint. It drops in as a direct-fit replacement across a range of 1992-1999 Mercedes-Benz models, from the 1992-1993 300SD to the 1994-1999 S500 and S600.

  • Cast aluminum construction: built to OE-level tolerances for the demands of the listed applications.
  • Longer ball joint life: additional surface treatment helps prevent rust build-up on the ball joint.
  • Engineered in-house: application-specific upgrades intended for high-usage commercial and passenger vehicles, SUVs, fleets and working trucks.
  • Labor Saver design: intended to make installation faster and easier.

This Mevotech Supreme front left upper control arm integrates its ball joint into a single unit. Worn control arms and ball joints can show up as clunking over bumps, loose or wandering steering, and uneven tire wear; if the original arm or its ball joint is the cause, this replaces it. See the Buyer's Guide tab for the full engine-level fitment.

Interchange: 101-6264 · 102-6264 · 622.35002 · 520-911 · 016 050 6336
1016264 · 1026264 · 62235002 · 520911 · 0160506336 · 19291512 · 75086 · TC948 · CB28007 · CB28007PR · CA8082 · K90421 · CAK90421 · IK90421 · RK90421 · FA4123 · 1403307607 · 2605249 · 30036019 · 5021088 · 5701115 · X31CJ2288 · JTC214 · TK90421

This part cross-references / interchanges with the following part numbers:

19291512, 75086, 101-6264, 102-6264, 622.35002, TC948, 520-911, CB28007, CB28007PR, CA8082, K90421, CAK90421, IK90421, 016 050 6336, RK90421, FA4123, 1403307607, CMK90421, 2605249, 30036019, 5021088, 5701115, X31CJ2288, JTC214, TK90421

Frequently Asked Questions

What is the Mevotech Supreme CMK90421?

It is a front left upper suspension control arm and ball joint assembly. The arm and ball joint come pre-assembled as one unit to locate the wheel and connect the steering knuckle to the chassis.

Which vehicles does this Mevotech Supreme control arm fit?

It fits many 1992-1999 Mercedes-Benz models, including the 1992-1993 300SD, 1994-1999 S320, 1994-1999 S420, and 1994-1999 S500. See the Buyer's Guide tab for the complete list.

What are the signs this part may need replacing?

Worn control arms and ball joints can cause clunking over bumps, loose or wandering steering, and uneven tire wear. Diagnose the cause before replacing, since these symptoms can have other sources.

Is the ball joint included with this control arm?

Yes. The ball joint is pre-assembled into this front left upper control arm, so both are replaced together as a single unit.

What is the CMK90421 made of?

It uses cast aluminum construction and adds a surface treatment on the ball joint that helps prevent rust build-up for longer ball joint service life.