Moog RK623398 Suspension Control Arm and Ball Joint Assembly - Rear Left Upper

Rear Left Upper Control Arm for Nissan and INFINITI

Moog RK623398 is a premium suspension control arm and ball joint assembly for the rear left upper position. It is built for the 2013 INFINITI JX35, 2013-2020 Nissan Pathfinder, and 2014-2020 INFINITI QX60, with structural strength and corrosion protection in mind.

Key Features

• Premium-grade suspension control arm and ball joint assembly
• Ball joint included for a complete upper rear corner service
• Bushings included for direct replacement of worn suspension components
• Corrosion-resistant construction for long-term durability
• Engineered for foreign and domestic nameplates
• Fits rear left upper suspension locations on select Nissan Pathfinder and INFINITI QX60 applications

Detailed Description

Moog RK623398 is a rear left upper control arm assembly for select Nissan Pathfinder, INFINITI QX60, and INFINITI JX35 models. This part number is built as a premium replacement for the original suspension linkage, combining the control arm, ball joint, and bushings in one service part. The design focuses on structural integrity and corrosion protection, which are important in rear suspension applications where alignment stability and joint durability matter. This part cross-references Dorman - OE Solutions 528-047 for the same application.

Common Repair Applications

• Rear suspension noise from worn bushings or ball joint wear
• Loose or inconsistent rear-end handling
• Uneven tire wear related to rear alignment issues
• Clunking or popping from the rear left upper suspension area
• Replacement of a damaged or corroded control arm assembly

Installation Notes and Tips

Verify rear left upper fitment before installation on the 2013 INFINITI JX35, 2013-2020 Nissan Pathfinder, or 2014-2020 INFINITI QX60. Inspect adjacent suspension hardware, alignment angles, and mounting points during service. After installation, a professional wheel alignment is recommended to confirm rear suspension geometry.

Quality Assurance

Moog premium control arms are engineered for structural strength and corrosion protection, with bushings and ball joint included for a complete replacement assembly. Part number RK623398 is built to meet the demands of select Nissan and INFINITI rear suspension service.