HomeSuspension > Suspension, Springs and Related ComponentsMoog RK623758 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
Part #: RK623758

Moog RK623758 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower
8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Lincoln, Expedition and Navigator
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Front Left Lower Control Arm for Expedition and Navigator

Moog RK623758 is a premium suspension control arm and ball joint assembly for the front left lower position. It is built for 2018-2021 Ford Expedition and 2018-2021 Lincoln Navigator applications, with structural strength and corrosion protection in mind.

Key Features

  • Premium-grade control arm assembly for front left lower suspension service
  • Ball joint included for a complete replacement assembly
  • Bushings included for direct suspension repair
  • Engineered for structural strength and corrosion resistance
  • Direct-fit replacement for 2018-2021 Ford Expedition and 2018-2021 Lincoln Navigator

Detailed Description

Moog RK623758 is a suspension control arm and ball joint assembly designed for the front left lower position on the Ford Expedition and Lincoln Navigator. This part number, RK623758, is a premium replacement option for vehicles that need a new lower control arm assembly with the ball joint and bushings already included. It is intended for 2018-2021 Ford Expedition and 2018-2021 Lincoln Navigator models, making it a focused solution for common front suspension service needs.

Moog premium control arms for foreign and domestic nameplates are engineered to deliver structural strength and corrosion protection, helping support long-term suspension performance in demanding road conditions. This part cross-references Dorman OE Solutions 527-027 for the same application.

What It Helps Fix

  • Front-end clunking or knocking from a worn lower control arm
  • Excessive play from a worn ball joint
  • Suspension looseness that affects steering response
  • Uneven tire wear related to worn front suspension components
  • Corrosion-related replacement needs on the front left lower suspension

Installation Notes and Tips

Fits 2018-2021 Ford Expedition, front left lower. Fits 2018-2021 Lincoln Navigator, front left lower. Confirm the vehicle’s suspension configuration and position before installation. Because the ball joint and bushings are included, this assembly supports a more complete repair of the front left lower suspension area. Always verify alignment after replacing control arm components.

Quality Assurance

Moog designs premium control arms for structural strength and corrosion protection, supporting dependable suspension service on Ford Expedition and Lincoln Navigator applications. RK623758 also cross-references Mevotech Supreme CMS401205 and Mevotech TTX CTXMS401205 for the same application.

BrandMoog
Part NumberRK623758
Bushings IncludedYes
Ball Joint IncludedYes
Bushing IncludedYes
Grade TypePremium

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2021FordExpeditionFront Left Lower
2021LincolnNavigatorFront Left Lower
2020FordExpeditionFront Left Lower
2020LincolnNavigatorFront Left Lower
2019FordExpeditionFront Left Lower
2019LincolnNavigatorFront Left Lower
2018FordExpeditionFront Left Lower
2018LincolnNavigatorFront Left Lower

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11CB403003527-027CB86043CB86043PRCMS401205CTXMS401205JL1Z3079AJL1Z3079B

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.