Suspensia X58LA0338 Suspension Control Arm - Rear Lower Center

Rear Lower Center Control Arm for INFINITI

Suspensia X58LA0338 is a steel suspension control arm for the rear lower center position on select INFINITI Q50, Q60, Q70, Q70L, M35h, M37, and M56 models. It uses rubber bushings and includes a lock nut, making it a direct replacement option for restoring rear suspension geometry and ride control.

Key Features

• Steel construction for strength and durability
• Rubber bushings included
• Rear lower center position application
• Black bushing color
• Regular grade replacement part
• Lock nut included
• Not pre-greased and not greaseable
• Part number: X58LA0338

Detailed Description

Suspensia X58LA0338 is a suspension control arm built for the rear lower center location on compatible INFINITI chassis applications. It is manufactured in Turkey in IATF16949 certified factories, under ISC Industries, a supplier serving OE Tier 1 and Tier 2 programs for brands including Ford, Fiat/Chrysler, Volkswagen Group, and Renault/Nissan. This part cross-references MOOG Chassis Products RK100259 for the same application. The X58LA0338 control arm is a practical replacement for worn rear suspension components on INFINITI Q50, Q60, Q70, Q70L, M35h, M37, and M56 models.

Vehicle Fitment

• Fits 2020-2023 INFINITI Q50, rear lower center.
• Fits 2021-2022 INFINITI Q60, rear lower center.
• Fits 2017-2020 INFINITI Q60, rear lower center; aftermarket design suspension ball joint.
• Fits 2014-2019 INFINITI Q50, rear lower center; aftermarket design suspension ball joint.
• Fits 2014-2019 INFINITI Q70, rear lower center; aftermarket design suspension ball joint.
• Fits 2015-2019 INFINITI Q70L, rear lower center; aftermarket design suspension ball joint.
• Fits 2012-2013 INFINITI M35h, rear lower center; aftermarket design suspension ball joint.
• Fits 2011-2013 INFINITI M37, rear lower center; aftermarket design; without rear active steering.
• Fits 2011-2013 INFINITI M56, rear lower center; aftermarket design; without rear active steering.

What It Helps Address

• Rear suspension looseness or instability
• Clunking or knocking from worn control arm bushings
• Uneven rear tire wear caused by suspension wear
• Imprecise rear suspension alignment
• Restoration of rear lower center suspension support

Installation Notes

Verify the rear lower center position and confirm vehicle-specific fitment before installation. This control arm includes bushings and a lock nut, but does not include a ball joint, dust boot, cotter pin, castle nut, or grease fitting. It is not pre-greased and is not greaseable. On 2011-2013 INFINITI M37 and M56 applications, confirm the vehicle is without rear active steering.

Quality Assurance

Suspensia parts are produced in IATF16949 certified factories in Turkey, reflecting controlled manufacturing processes for OE-style suspension replacement parts.