Moog RK623340 Suspension Control Arm and Ball Joint Assembly - Front Left Upper

Front Left Upper Control Arm for Ford and Lincoln

Moog RK623340 is a premium suspension control arm and ball joint assembly for the front left upper position. It is built for Ford F-150, Ford Expedition, and Lincoln Navigator applications that need a direct-fit replacement with structural strength and corrosion protection.

Key Features

• Premium-grade suspension control arm and ball joint assembly
• Ball joint included for a complete upper control arm service
• Bushings included for direct replacement of worn suspension pivot points
• Engineered for structural strength and corrosion resistance
• Fits front left upper suspension locations on select Ford and Lincoln models

Detailed Description

Moog RK623340 is a front left upper suspension control arm and ball joint assembly made for select 2015-2024 Ford F-150, 2018-2024 Ford Expedition, and 2018-2024 Lincoln Navigator applications. This Moog control arm is built to OE standards for the listed fitments and uses premium construction to help restore proper suspension geometry, steering response, and wheel control. The RK623340 part number is a direct reference for buyers searching for a replacement upper control arm for Ford F-150, Expedition, or Navigator front suspension service.

This part cross-references Delphi TC8133 and Dorman - OE Solutions 527-049 for the same application.

What This Part Helps Address

• Clunking or knocking from the front left upper suspension
• Excessive play from worn ball joint or bushings
• Uneven tire wear caused by suspension looseness
• Steering wander or reduced front-end stability
• Restoring alignment control after upper arm wear

Installation Notes and Tips

Verify the vehicle year, make, model, and front left upper position before ordering. After installation of the RK623340 control arm, a professional wheel alignment is recommended to confirm suspension angles and steering geometry. Inspect adjacent suspension components, including related bushings and steering parts, during service on Ford F-150, Ford Expedition, and Lincoln Navigator models.

Quality Assurance

Moog premium control arms for foreign and domestic nameplates are engineered with structural strength and corrosion protection in mind. RK623340 is a premium-grade replacement built for the listed applications and is intended to meet OEM standards where specified in the fitment data.