Suspensia X18CJ0940 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Suspension Control Arm Assembly for Hyundai and Kia

Suspensia X18CJ0940 is a front left lower suspension control arm and ball joint assembly built for specific Hyundai and Kia applications. It combines an aluminum arm with a pre-greased ball joint, rubber bushings, and a rubber dust boot for a direct replacement on the listed vehicles.

• Part number: X18CJ0940
• Aluminum control arm construction
• Ball joint included with machined mounting type and pinch-style stud
• Pre-greased assembly
• Rubber bushings included
• Dust boot included
• Black bushings and black boot
• Non-greaseable design

Detailed Product Overview

This suspension control arm and ball joint assembly is engineered for the front left lower position on 2017-2020 Kia Optima and 2015-2019 Hyundai Sonata models. The aluminum arm helps maintain a lightweight suspension layout, while the included rubber bushings and dust boot support a complete replacement of the worn assembly. Suspensia X18CJ0940 is manufactured in Turkey in IATF 16949 certified factories, with production backed by ISC Industries’ OE supply experience for major global vehicle manufacturers.

This part cross-references Mevotech Original Grade GS901245 and Mevotech Supreme CMS901245 for the same application. The part number X18CJ0940 is also a useful reference when verifying the correct front left lower control arm for Kia Optima and Hyundai Sonata fitment.

Common Problems This Part Can Address

• Clunking or knocking from the front suspension
• Excessive play in the lower control arm or ball joint
• Uneven tire wear related to worn suspension geometry
• Steering looseness or wandering at the front end
• Cracked, dry-rotted, or separated bushings

Installation Notes and Tips

Fits 2017-2020 Kia Optima, front left lower. Fits 2015-2019 Hyundai Sonata, front left lower. Confirm the vehicle’s suspension layout and compare the original arm, bushing style, and ball joint connection before installation. Because this assembly is pre-greased and non-greaseable, no grease fitting is provided. A professional alignment is recommended after replacement to restore proper suspension geometry.

Quality Assurance

Suspensia parts are manufactured in Turkey in IATF 16949 certified facilities. The brand is owned by ISC Industries, a supplier to OE Tier 1 customers including Ford, Fiat/Chrysler, Volkswagen Group, and Renault/Nissan, as well as Tier 2 suppliers worldwide. Part number X18CJ0940 is built to meet the requirements of the listed Hyundai Sonata and Kia Optima applications.