Mevotech CMS861354 Lateral Arm - Rear Upper Forward

Rear Upper Forward Lateral Arm for Lexus

Restore rear suspension geometry with this Mevotech lateral arm, part number CMS861354. Built from steel with rubber bushings, it is a direct-fit replacement for the rear upper forward position on select Lexus models, including Lexus IS300, IS350, RC300, RC350, and GS applications.

Key Features

• Steel construction for strength and consistent suspension support
• Rubber bushings included for the rear upper forward mounting points
• Bushing end on one side and fork end on the other for OE-style fitment
• Non-adjustable design for straightforward replacement
• Black finish
• Mevotech CMS861354 lateral arm for rear suspension service

Product Details

The Mevotech CMS861354 is a rear upper forward lateral arm engineered for select Lexus rear suspension applications. It uses a steel arm body, measures 8.7 inches in length, and includes rubber bushings already installed. With a bushing end and fork end configuration, this part matches the mounting style used in the listed rear upper forward position. This part cross-references 6CB86597 and LA64736 for the same application.

Compatible With Lexus IS300, rear upper forward, 2016-2025; Lexus IS350, rear upper forward, 2015-2025; Lexus IS500, rear upper forward, 2022-2025; Lexus RC300, rear upper forward, 2016-2024; Lexus RC350, rear upper forward, 2015-2024; Lexus GS350, rear upper forward, 2015-2020; Lexus GS300, rear upper forward, 2018-2019; Lexus GS450h, rear upper forward, 2015-2018; Lexus GS200t, rear upper forward, 2016-2017; Lexus IS200t, rear upper forward, 2016-2017; and Lexus RC200t, rear upper forward, 2016-2017.

Common Repair Uses

• Replacing a worn or noisy rear suspension arm
• Addressing looseness in the rear upper forward linkage
• Correcting suspension geometry after bushing wear
• Restoring stable rear-end handling on Lexus IS300 and IS350 models
• Servicing rear suspension components on Lexus RC300, RC350, and GS vehicles

Installation Notes

Verify the rear upper forward position before installation and confirm the vehicle application against the fitment list. Because this arm is non-adjustable, proper alignment checks should be performed after replacement. Inspect adjacent bushings and mounting points for wear before reassembly.

Quality Assurance

Mevotech offers aftermarket suspension components for OE-style replacement needs, and CMS861354 is built to match the listed Lexus rear suspension applications. Part number CMS861354 is also referenced as Mevotech Supreme CMS861354.