Moog RK643545 Suspension Control Arm - Rear Left Upper Center

Premium Rear Left Upper Center Control Arm

Moog RK643545 is a premium suspension control arm for the rear left upper center position. It is engineered for structural strength and corrosion protection, making it a direct replacement choice for BMW rear suspension service on select 2012-2019 models.

Compatible With BMW 230i, 330i, 430i, 440i, M240i, 320i, 328i, 335i, 428i, 435i, and related xDrive and Gran Coupe applications in the rear left upper center location. The RK643545 part number is also a useful reference when comparing OE-style replacement options for BMW suspension repair.

• Premium-grade suspension control arm for the rear left upper center position
• Built for structural strength and corrosion resistance
• Suspension control arm and ball joint assembly meets OEM standards on listed applications
• Fits a wide range of BMW 2 Series, 3 Series, and 4 Series rear suspension applications
• Cross-reference example: Delphi TC3615 for the same application

Detailed Product Overview

Moog RK643545 is a rear suspension control arm designed for BMW vehicles that use the rear left upper center mounting position. It serves as a direct-fit replacement for worn or damaged control arm assemblies on models such as the BMW 328i, BMW 335i, and BMW 430i, while also covering multiple xDrive, Gran Coupe, and GT variants. The premium construction focuses on durability in demanding suspension environments, and the corrosion protection helps support long-term service life.

This part number, RK643545, is listed across 2012-2019 BMW applications and is a practical match for buyers searching for a BMW rear left upper center control arm, BMW suspension control arm and ball joint assembly, or OE replacement control arm for select 3 Series and 4 Series platforms.

Common Repair Symptoms

• Rear suspension clunking or knocking over bumps
• Excessive play or looseness in the rear suspension
• Uneven tire wear caused by worn control arm components
• Alignment issues after suspension wear or damage
• Ball joint or bushing wear in the rear left upper center position

Installation Notes

Verify year, model, drivetrain, and rear left upper center position before installation. This part is listed for specific BMW applications only, including 2012-2019 BMW 3 Series and 4 Series variants and related 2 Series models. After replacement, perform a professional wheel alignment to confirm suspension geometry.

Quality Assurance

Moog premium control arms for foreign and domestic nameplates are engineered for structural strength and corrosion protection. The RK643545 is specified as a premium-grade suspension component for the listed BMW applications.