MOOG Front Left Upper Control Arm with Pre-Installed Ball Joint for Ram 1500 RK643074 — OE Fit, Corrosion-Resistant

MOOG RK643074 is a complete front left upper suspension control arm with a pre-installed ball joint engineered to restore alignment and dependable steering for Ram 1500 models.

If your Ram 1500 feels loose in the front end, has uneven tire wear, or shows steering wander, a worn upper control arm and ball joint can be the source. The MOOG RK643074 assembly replaces the front left upper control arm and includes a factory-style ball joint to simplify installation while improving structural strength and corrosion resistance. Built for a range of model years, it’s designed to bring back predictable handling without complex modification.

Which Ram 1500 model years and variants does this part fit?

This assembly is made to fit many Ram 1500 and Dodge Ram 1500 model years and variants, including classic and later models. Verify fitment with your VIN or OE part cross-reference to be certain before purchase.

• Compatible with 2009–2010 Dodge Ram 1500
• Fits 2011–2018 Ram 1500 and 2013–2018 model ranges
• Includes support for 2019–2020 Ram 1500 Classic models
• Double-check specific trims and suspension options against your vehicle’s VIN

How does the MOOG RK643074 help steering and ride stability?

The RK643074 replaces a worn arm-and-joint assembly to re-establish proper suspension geometry, which improves steering feel and reduces unpredictable movement. A solid control arm with a correctly seated ball joint helps maintain wheel alignment and consistent tire contact with the road.

• Restores factory suspension geometry for predictable handling
• Improves steering response and reduces front-end looseness
• Helps even out tire wear by holding proper wheel position
• Pre-assembled ball joint reduces play and installation steps

What materials and design features ensure durability?

MOOG control arms are engineered for strength and corrosion protection to withstand everyday driving and road stress. The RK643074 uses robust construction and protective finishes to resist wear, helping it last longer under normal service conditions.

• Heavy-duty construction to resist bending and fatigue
• Corrosion-resistant coatings help prevent rust and degradation
• Pre-installed ball joint designed for reliable articulation and sealing
• Manufactured to meet OE-style fit and performance expectations

What should I expect during installation and maintenance?

The RK643074 arrives with the ball joint pre-installed to streamline replacement and reduce labor time. Standard suspension service practices apply—inspect related bushings, fasteners, and alignment after install to ensure optimal performance and safety.

• Pre-assembled unit shortens installation time on most shops
• Torque fasteners to manufacturer specifications at installation
• Follow with a professional wheel alignment after replacement
• Inspect adjacent components (bushings, tie rods, sway links) during service

Who is this for: Owners and technicians working on Ram 1500 or Dodge Ram 1500 trucks from the listed model years who need a direct-fit, OE-style front left upper control arm and ball joint replacement. It’s suitable for routine suspension repairs, restoring vehicle stability after part wear, or as part of a front-end rebuild where dependable alignment and steering response are priorities.