HomeSuspension > Suspension, Springs and Related ComponentsSuspensia X31CJ7009 Suspension Control Arm and Ball Joint Assembly - Front Left Upper
Part #: X31CJ7009

Suspensia X31CJ7009 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Front Left Upper
⚙️ 13 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$114.59Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, S450, S550, S560, and S600
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Suspensia X31CJ7009 Front Left Upper Control Arm

Suspensia X31CJ7009 is a front left upper suspension control arm and ball joint assembly for select Mercedes-Benz S-Class applications. It is built in Turkey in IATF16949 certified factories and backed by manufacturing from ISC Industries, a supplier to OE Tier 1 and Tier 2 programs worldwide.

  • Front left upper control arm and ball joint assembly
  • Direct-fit replacement for select Mercedes-Benz S560, S450, S550, and S600 models
  • Manufactured in Turkey in IATF16949 certified facilities
  • OE-focused production standards from ISC Industries
  • Cross-reference: URO 2173303900

Vehicle Fitment

  • Fits 2020-2021 Mercedes-Benz S560, front left upper.
  • Fits 2018-2019 Mercedes-Benz S450, front left upper, with short wheelbase Ch 222.064; long wheelbase Ch 222.166, Ch 222.164.
  • Fits 2018-2019 Mercedes-Benz S560, front left upper, with short wheelbase Ch 222.086; long wheelbase Ch 222.183, Ch 222.186.
  • Fits 2014-2017 Mercedes-Benz S550, front left upper, with short wheelbase Ch 222.082, Ch 222.085; long wheelbase Ch 222.182, Ch 222.185.
  • Fits 2015-2017 Mercedes-Benz S600, front left upper, long wheelbase.

Detailed Description

This Suspensia control arm assembly is specified for the front left upper position on Mercedes-Benz S-Class vehicles, including S560, S450, S550, and S600 applications. The part number X31CJ7009 is a practical OE-style replacement for restoring proper suspension geometry on the listed chassis and wheelbase configurations. If you are searching for a Mercedes-Benz S560 front left upper control arm, Mercedes-Benz S550 suspension control arm and ball joint assembly, or X31CJ7009 replacement fitment, this part matches the confirmed applications shown above.

Common Repair Uses

  • Replacing a worn or loose upper control arm on the front left side
  • Addressing suspension clunking or knocking from the upper front suspension
  • Correcting steering feel affected by play in the control arm or ball joint
  • Restoring alignment stability after front suspension wear
  • Servicing Mercedes-Benz S-Class front suspension components with confirmed fitment

Installation Notes and Tips

Verify chassis code, wheelbase, and model year before ordering, especially on 2018-2019 S450 and S560 applications. Confirm the front left upper position and compare the existing part to X31CJ7009 before installation. After replacement, perform a professional wheel alignment to set suspension geometry correctly.

Quality Assurance

Suspensia parts are manufactured in Turkey by ISC Industries in IATF16949 certified factories, with production experience supporting OE customers such as Ford, Fiat/Chrysler, Volkswagen Group, and Renault/Nissan. That manufacturing background supports consistent fit and build quality for the listed Mercedes-Benz S-Class applications.

This part fits 13 vehicles. Search below:

YearMakeModelPositionNotes
2021Mercedes-BenzS560Front Left Upper
2020Mercedes-BenzS560Front Left Upper
2019Mercedes-BenzS450Front Left UpperWith Short Wheelbase, Ch 222.064; Long Wheelbase, Ch 222.166, Ch 222.164
2019Mercedes-BenzS560Front Left UpperWith Short Wheelbase, Ch 222.086; Long Wheelbase, Ch 222.183, Ch 222.186
2018Mercedes-BenzS450Front Left UpperWith Short Wheelbase, Ch 222.064; Long Wheelbase, Ch 222.166, Ch 222.164
2018Mercedes-BenzS560Front Left UpperWith Short Wheelbase, Ch 222.086; Long Wheelbase, Ch 222.183, Ch 222.186
2017Mercedes-BenzS550Front Left UpperWith Short Wheelbase, Ch 222.082, Ch 222.085; Long Wheelbase, Ch 222.182, Ch 222.185
2017Mercedes-BenzS600Front Left UpperLong Wheelbase
2016Mercedes-BenzS550Front Left UpperWith Short Wheelbase, Ch 222.082, Ch 222.085; Long Wheelbase, Ch 222.182, Ch 222.185
2016Mercedes-BenzS600Front Left UpperLong Wheelbase
2015Mercedes-BenzS550Front Left UpperWith Short Wheelbase, Ch 222.082, Ch 222.085; Long Wheelbase, Ch 222.182, Ch 222.185
2015Mercedes-BenzS600Front Left UpperLong Wheelbase
2014Mercedes-BenzS550Front Left UpperWith Short Wheelbase, Ch 222.082, Ch 222.085; Long Wheelbase, Ch 222.182, Ch 222.185

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2173303900

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.