Delphi TC8161 Suspension Control Arm and Ball Joint Assembly - Rear Lower Forward

Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC8161 suspension control arm and ball joint assembly is engineered for reliable rear lower forward suspension performance on select Lexus and Toyota models. Designed with durable steel construction and pre-greased components, this assembly supports smooth handling and suspension stability.

• Pre-greased for immediate use without additional lubrication
• Includes natural rubber bushings for vibration dampening
• Machined ball joint mounting with threaded stud for secure fit
• Adjustable design to accommodate precise suspension alignment
• Constructed from forged and cast steel for strength and durability
• Compatible with rear lower forward suspension position
• Includes mounting hardware for installation

Technical Details and Construction

The TC8161 control arm assembly features a robust steel construction combining casting and forging processes to ensure structural integrity under light suspension loads. The black finish provides corrosion resistance and a clean appearance. Natural rubber bushings are included to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is machined for precision fitment and includes a threaded stud measuring approximately 2.846 inches (72.3 mm) in length, facilitating secure attachment to the suspension knuckle. This assembly is designed with one mounting hole of 0.476 inches (12.1 mm) diameter and offers adjustability to fine-tune suspension geometry.

Compatible Vehicles and Applications

This Delphi suspension control arm and ball joint assembly is compatible with the following vehicles:

• Lexus NX200t
• Lexus NX300
• Lexus NX300h
• Toyota RAV4

Specifically designed for the rear lower forward suspension position, the TC8161 part number ensures proper fit and function for these models, supporting suspension stability and handling performance.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing excessive play or noise
• Ball joint wear leading to steering instability or uneven tire wear
• Corroded or weakened control arm compromising suspension alignment
• Difficulty maintaining proper rear suspension geometry
• Vibration and harshness from deteriorated suspension components

Installation Notes and Tips

Before installation, verify compatibility with your Lexus or Toyota model and confirm the rear lower forward suspension position. The assembly comes pre-greased and includes mounting hardware, but does not feature grease fittings or require additional lubrication. Use proper torque specifications for mounting bolts and ball joint stud to ensure secure fitment. Adjustability allows for alignment fine-tuning after installation. Inspect related suspension components during replacement to maintain overall system integrity.

Quality Assurance and Warranty

The Delphi TC8161 suspension control arm and ball joint assembly is manufactured to meet standard replacement grade specifications, ensuring dependable performance and durability. Delphi products undergo rigorous quality control processes to comply with OEM standards. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.