Delphi TL509 Steering Idler Arm

Delphi Steering Idler Arm TL509 Overview

The Delphi TL509 Steering Idler Arm is designed for reliable steering performance in Nissan vehicles, including the D21, Pathfinder, and Pickup models. This standard replacement part ensures proper steering linkage support and smooth operation.

• Length: 5.08 inches for precise fitment
• Pre-greased for immediate use
• Taper arm attachment type for secure mounting
• Includes grease fitting and is greaseable for maintenance
• Mounting hole diameter: 0.49 inches
• Standard replacement grade for dependable durability

Detailed Product Description

The Delphi TL509 Steering Idler Arm is engineered to maintain the correct alignment and support of the steering linkage in Nissan D21, Pathfinder, and Pickup vehicles. Its 5.08-inch length and 0.49-inch mounting hole diameter ensure compatibility with factory specifications. The taper arm attachment type provides a secure and stable connection, reducing play and improving steering response. This idler arm comes pre-greased and includes a grease fitting, allowing for easy lubrication and extended service life. Being greaseable, it supports routine maintenance to prevent premature wear.

Common Applications and Problem Resolution

• Eliminates excessive steering play or looseness
• Reduces uneven tire wear caused by misalignment
• Addresses steering wheel vibration or shimmy
• Prevents clunking noises during turns
• Restores proper steering linkage geometry

Installation Notes and Tips

When installing the Delphi TL509 Steering Idler Arm, ensure the mounting holes align precisely with the vehicle’s frame. Use the included grease fitting to lubricate the arm after installation and during regular maintenance intervals. Verify that the taper arm attachment is securely seated to avoid steering looseness. It is recommended to perform a wheel alignment after replacement to maintain optimal steering performance.

Quality Assurance and Warranty

Delphi manufactures the TL509 Steering Idler Arm to meet standard replacement specifications, ensuring consistent quality and fitment for Nissan D21, Pathfinder, and Pickup models. The part is pre-greased and designed for durability with greaseable features to extend service life. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.