MOOG Front Left Upper Control Arm & Ball Joint Assembly RK643074 for Ram 1500 — Preinstalled Ball Joint, OE-Style Fit (2009–2020)

This OE-replacement assembly combines a robust forged arm with a preinstalled ball joint and corrosion-resistant finish to simplify repair and return stable steering geometry. Built to withstand road stress and everyday use, the MOOG RK643074 is intended for technicians and DIYers who want a durable, drop-in solution that fits specific Ram 1500 years without the need to press in a new ball joint.

Which Ram models will this MOOG assembly fit?

The RK643074 is designed for a range of Dodge and Ram pickups. Confirm fitment with your vehicle VIN or year before purchase to ensure correct placement on the front left upper position.

• Fits 2009–2010 Dodge Ram 1500
• Fits 2011–2018 Ram 1500
• Fits 2019–2020 Ram 1500 Classic
• Verify fit using OE part cross-reference or dealer lookup for exact applications

How does this control arm assembly improve ride quality and handling?

Replacing worn control arms and ball joints restores proper suspension geometry, which helps reduce uneven tire wear and improves steering responsiveness. The preassembled ball joint reduces installation time and ensures correct seating for predictable performance.

• Restores correct wheel alignment and camber settings
• Reduces play that causes wandering or vague steering
• Promotes even tire wear and stable cornering behavior
• Preinstalled ball joint for quicker, more reliable installation

What are the construction and durability features of the MOOG RK643074?

MOOG designs this assembly with strength and corrosion resistance in mind. Materials and finishes are selected to endure road impacts, environmental exposure, and the loads generated during normal driving and light towing.

• Forged or stamped steel arm for structural integrity
• Preinstalled ball joint engineered for long-term wear resistance
• Protective coating to slow corrosion and extend service life
• Manufactured to meet OE fit, form, and function expectations

What should I expect during installation and maintenance?

Installation is straightforward for experienced mechanics and competent DIYers when basic suspension tools are available. Torque specifications, alignment checks, and an inspection of related components should be part of the job to secure safe operation.

• Drop-in replacement with ball joint preinstalled—no pressing required
• Follow vehicle torque specs and use new mounting hardware if recommended
• Perform a wheel alignment after replacement for best results
• Inspect adjacent bushings, tie rods, and control arms for wear during service

Who is this for: The MOOG RK643074 front left upper control arm and ball joint assembly is aimed at owners of compatible Dodge/Ram 1500 trucks, fleet managers, and independent repair shops seeking a durable, OE-style replacement that reduces installation time and helps restore safe steering and suspension performance. It suits anyone replacing a failing upper control arm or worn ball joint who wants a factory-fit option with corrosion protection and the backing of a recognized suspension parts brand.