Moog RK623778 Suspension Control Arm and Ball Joint Assembly - Front Left Lower Rearward

Front Left Lower Rearward Control Arm

Moog RK623778 is a premium suspension control arm and ball joint assembly for the front left lower rearward position. It is built for Tesla 3 and Tesla Y applications from 2017-2023, with structural strength and corrosion protection in mind.

For buyers searching for a Tesla 3 front left lower rearward control arm or a Tesla Y suspension control arm and ball joint assembly, this part number provides a direct replacement option with the key wear components already integrated.

Key Features

• Premium-grade suspension control arm assembly
• Ball joint included for a complete service replacement
• Bushings included for the control arm mounting points
• Engineered for structural strength
• Corrosion protection helps support long-term durability
• Fits front left lower rearward suspension locations
• Moog RK623778 for Tesla 3 and Tesla Y fitment

Product Details

Moog RK623778 is a front left lower rearward suspension control arm and ball joint assembly made for Tesla 3 and Tesla Y models. The premium construction focuses on strength at the suspension arm and protection against corrosion, while the included ball joint and bushings simplify replacement of a worn assembly. This part cross-references Dorman OE Solutions 527-521 for the same application.

Use this assembly when servicing the front suspension on Tesla 3 or Tesla Y vehicles and you need a direct-fit replacement for the lower rearward control arm position. The RK623778 part number is also a useful reference when comparing OE-style suspension components for these Tesla applications.

Common Problems This Part Can Address

• Clunking or knocking from the front suspension
• Excessive play in the control arm or ball joint
• Worn bushings at the mounting points
• Uneven tire wear related to suspension looseness
• Steering instability from a deteriorated front left lower rearward arm

Installation Notes and Tips

Fits 2017-2023 Tesla 3, front left lower rearward. Fits 2020-2023 Tesla Y, front left lower rearward. Confirm the suspension position before ordering, and inspect related hardware, alignment angles, and adjacent wear items during service. After installation, a professional wheel alignment is recommended to restore proper suspension geometry.

Quality Assurance

Moog premium control arms for foreign and domestic nameplates are engineered with structural strength and corrosion protection in mind. RK623778 is built as a premium suspension replacement for Tesla 3 and Tesla Y front suspension service.