LCWRGS Front Upper Control Arms with Ball Joints for 2005–2019 Chrysler 300 — 2‑Piece Steel, Heat‑Treated Direct‑Fit Kit

LCWRGS Front Upper Control Arm w/ Ball Joints is a 2-piece replacement kit engineered to restore steering geometry and suspension reliability on 2005–2019 Chrysler 300 and compatible RWD/Dodge models.

This LCWRGS kit includes two front upper control arms with integrated ball joints, built from high-strength steel and finished with reinforced plate mounts. Designed to replace OE part numbers K620177 (driver side) and K620178 (passenger side lower reference), the set fits a range of Chrysler and Dodge vehicles: 2005–2019 Chrysler 300, 2006–2019 Dodge Charger, 2005–2008 Dodge Magnum, and 2008–2019 Dodge Challenger—specifically RMD models. Hardware is provided for a straightforward swap, and the parts are heat-treated to meet or exceed original equipment durability and fatigue standards.

Will these control arms fit my vehicle?

The LCWRGS control arm kit is intended for specific model years and RMD drivetrain variants. Confirm fitment by matching your vehicle’s year and model to the compatibility list and cross-checking with OE part numbers K620177 and K620178. If you are unsure, provide your VIN to verify exact compatibility.

• Compatible models: 2005–2019 Chrysler 300
• Also fits: 2006–2019 Dodge Charger, 2005–2008 Dodge Magnum
• Included in fitment: 2008–2019 Dodge Challenger (RMD models only)
• OE cross-reference: K620177 (driver side)

How durable and reliable are these replacement control arms?

LCWRGS uses high-strength steel tubing and solid plate mounting brackets for reinforced structural support. Each control arm is heat-treated to improve fatigue resistance, helping the assembly withstand driving stresses and extend service life compared with untreated replacements.

• Material: high-strength steel tubing
• Mounts: solid plate brackets for added rigidity
• Treatment: heat-treated to match/exceed OE fatigue standards
• Includes ball joints pre-installed for consistent fit

What’s included and how easy is installation?

The kit ships with two front upper control arms and the necessary mounting hardware to complete installation. Designed for a direct-fit replacement, the parts allow for a quick swap when aligned with factory mounting points and common automotive tools—no custom fabrication required.

• Package contents: 2 front upper control arms
• Mounting hardware included for most installations
• Direct-fit design for factory mounting locations
• Recommended: basic mechanic tools and alignment after installation

Will replacing these control arms affect wheel alignment or handling?

Replacing worn or damaged control arms restores proper suspension geometry, which typically improves steering stability and tire wear. After installation, a professional wheel alignment is recommended to ensure the vehicle tracks correctly and to maximize tire life and handling precision.

• Restores factory suspension geometry
• Improves steering response and reduces uneven tire wear
• Wheel alignment recommended after replacement
• Helps prevent premature wear on related suspension components

Who is this for: The LCWRGS Front Upper Control Arm w/Ball Joints kit is aimed at owners and mechanics restoring suspension performance on compatible Chrysler and Dodge RWD vehicles. It suits DIYers replacing worn factory arms, repair shops performing front suspension overhauls, and anyone seeking a durable, heat-treated aftermarket replacement that matches OE specifications. If you need assistance confirming fitment or have concerns during installation, contact LCWRGS customer support for guidance and VIN-based verification.