HomeSuspension > Suspension, Springs and Related ComponentsMoog RK643120 Suspension Trailing Arm - Rear
Part #: RK643120

Moog RK643120 Suspension Trailing Arm - Rear

Rear
21 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$35.83Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lincoln and Ford, MKT, Flex, Police Interceptor Sedan, and Special Service Police Sedan
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Moog Suspension Trailing Arm RK643120

The Moog RK643120 suspension trailing arm is designed for precise fitment on Ford Flex and Lincoln MKT models. This premium-grade component ensures reliable suspension performance and durability for these specific vehicles.

  • Premium grade suspension trailing arm for enhanced durability
  • Compatible with Ford Flex and Lincoln MKT models
  • Direct replacement part number RK643120 for accurate fit
  • Manufactured by Moog, a trusted name in suspension components
  • Engineered to maintain proper wheel alignment and suspension geometry

Detailed Product Description

The Moog RK643120 suspension trailing arm is a critical component in the rear suspension system of Ford Flex and Lincoln MKT vehicles. Constructed with premium-grade materials, this trailing arm is designed to withstand the stresses of daily driving while maintaining the correct positioning of the rear wheels. Proper suspension trailing arms help preserve vehicle handling characteristics and contribute to a smooth ride by controlling wheel movement and alignment. This part is engineered to meet or exceed OEM specifications, ensuring a precise fit and reliable performance.

Common Applications and Problem Resolution

This suspension trailing arm is used to replace worn or damaged components that affect rear suspension stability. It addresses several issues, including:

  • Excessive rear wheel movement or play
  • Uneven tire wear due to misalignment
  • Unstable handling or poor vehicle control
  • Suspension noise or clunking during driving
  • Damage from road impacts or corrosion

Installation Notes and Tips

Installation of the Moog RK643120 trailing arm requires basic suspension knowledge and proper tools. It is recommended to:

  • Verify compatibility with Ford Flex or Lincoln MKT before installation
  • Inspect related suspension components for wear or damage
  • Use a torque wrench to tighten bolts to manufacturer specifications
  • Perform a wheel alignment after installation to ensure proper handling

Quality Assurance and Warranty

Moog suspension components, including the RK643120 trailing arm, are manufactured to meet stringent quality standards. This premium-grade part undergoes rigorous testing to ensure durability and performance. Moog typically offers a limited warranty on their suspension parts; please refer to official Moog documentation for specific warranty details related to this product.

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
2019FordFlexRear
2019LincolnMKTRear
2018FordFlexRear
2018LincolnMKTRear
2017FordFlexRear
2017LincolnMKTRear
2016FordFlexRear
2016LincolnMKTRear
2015FordFlexRear
2015LincolnMKTRear
2014FordFlexRear
2014LincolnMKTRear
2013FordFlexRear
2013LincolnMKTRear
2012FordFlexRear
2012LincolnMKTRear
2011FordFlexRear
2011LincolnMKTRear
2010FordFlexRear
2010LincolnMKTRear
2009FordFlexRearFrom 5/10/09

* 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:

AA8Z5500ACMS401163

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