Moog RK623377 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower Control Arm for Durango and Grand Cherokee

Moog RK623377 is a premium suspension control arm and ball joint assembly for the front left lower position. It is built for Dodge Durango and Jeep Grand Cherokee applications where structural strength, corrosion protection, and OE-style fit are important.

This assembly includes the ball joint and bushings, giving you a complete front left lower suspension service part for select Dodge Durango and Jeep Grand Cherokee models.

Key Features

• Premium-grade suspension control arm and ball joint assembly
• Ball joint included for a complete lower arm service replacement
• Bushings included for direct suspension repair
• Engineered for structural strength
• Corrosion protection helps support long-term durability
• Fits front left lower suspension locations on select Dodge Durango and Jeep Grand Cherokee vehicles

Fitment Details

• Fits 2021-2026 Dodge Durango, front left lower
• Fits 2021 Jeep Grand Cherokee, front left lower
• Fits 2022 Jeep Grand Cherokee WK, front left lower
• Fits 2016-2020 Dodge Durango, front left lower
• Fits 2016-2020 Jeep Grand Cherokee, front left lower

Moog RK623377 is a direct-fit suspension control arm and ball joint assembly for the front left lower position on select Dodge Durango and Jeep Grand Cherokee models. It is a practical replacement when the original arm, bushings, or ball joint show wear, helping restore proper suspension geometry and steering response. This part cross-references Mopar 68282729AC for the same application.

What It Helps Address

• Clunking or knocking from the front suspension
• Excessive play from worn ball joint components
• Cracked, deteriorated, or loose control arm bushings
• Uneven tire wear related to suspension wear
• Front-end looseness or imprecise steering feel

Installation Notes

Verify the vehicle year, model, and front left lower position before installation. Because this is a suspension control arm and ball joint assembly, alignment inspection is recommended after replacement. Confirm all mounting points and suspension hardware condition during service, and follow the vehicle manufacturer’s repair procedures.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection for foreign and domestic nameplates. RK623377 is built to meet OEM standards for the listed 2016-2020 Dodge Durango and Jeep Grand Cherokee applications.