Delphi TC1640 Steering Idler Arm

Delphi Steering Idler Arm TC1640 Overview

The Delphi Steering Idler Arm TC1640 is a forged, durable component designed for reliable steering performance. Engineered for Chevrolet and GMC trucks, this steering idler arm ensures precise control and stability for models including the C1500, C2500, C3500, and K1500.

• Forged material construction for strength and durability
• Pre-greased and greaseable design for extended service life
• Includes castle nut, cotter pin, and grease fitting for complete installation
• Black finish for corrosion resistance
• Standard replacement grade with 2 bracket holes and mounting hole diameter of 0.48 inches (12.2 mm)
• Length options: 143.0 mm (5.63 inches)

Durable Construction and Design Features

The Delphi TC1640 steering idler arm is manufactured from forged steel, providing the necessary strength to withstand the rigors of heavy-duty steering applications. Its black finish offers protection against corrosion, while the pre-greased and greaseable design allows for easy maintenance and longer component life. The inclusion of a castle nut, cotter pin, and grease fitting ensures that all necessary hardware is provided for a secure and proper installation.

Compatible Vehicles and Applications

This steering idler arm is compatible with Chevrolet and GMC trucks, specifically the C1500, C2500, C3500, and K1500 models. It is designed as a standard replacement part, making it suitable for restoring steering performance in these vehicles.

Common Issues Addressed by the Delphi TC1640

• Excessive play or looseness in the steering linkage
• Uneven or unstable steering response
• Worn or damaged idler arm components causing steering noise
• Difficulty maintaining proper wheel alignment
• Steering component wear due to lack of lubrication

Installation Notes and Tips

When installing the Delphi TC1640 steering idler arm, ensure the vehicle is securely lifted and supported. Use the included castle nut and cotter pin to secure the arm properly. Take advantage of the grease fitting to lubricate the component after installation and during routine maintenance. Verify mounting hole alignment and torque specifications according to the vehicle manufacturer’s guidelines for Chevrolet and GMC trucks.

Quality Assurance and Warranty

Delphi provides a standard replacement grade steering idler arm with quality materials and manufacturing processes. The TC1640 part number is backed by Delphi’s commitment to meet OEM standards. Please refer to Delphi’s warranty policy for specific coverage details.