Delphi TA2321 Steering Pitman Arm

Delphi Steering Pitman Arm TA2321 Overview

The Delphi Steering Pitman Arm TA2321 is engineered for reliable steering performance in select GM vehicles. Designed with durable steel construction and precise fitment, this pitman arm supports smooth and responsive steering for models like the Chevrolet Silverado and Cadillac Escalade.

• Constructed from high-strength steel for durability
• 28 spline quantity ensuring secure steering shaft engagement
• Length of 5.315 inches (135.0 mm) for accurate fitment
• Includes grease fitting and is greaseable for maintenance
• Castle nut included for secure installation
• Compatible with steering shaft diameter of 1.158 inches (29.4 mm)
• Center link end attachment diameter of 0.596 inches (15.1 mm)
• Standard ride height compatibility

Detailed Product Description

The Delphi TA2321 Steering Pitman Arm is a standard replacement part designed to restore proper steering function in a range of Chevrolet, Cadillac, GMC, and Hummer vehicles. Its steel construction provides strength and resistance to wear, while the 28-spline design ensures a tight, secure connection to the steering shaft. The pitman arm measures 5.315 inches in length, matching OEM specifications for precise steering geometry. This part includes a grease fitting, allowing for routine lubrication to extend service life and maintain smooth operation. The included castle nut facilitates proper and secure installation. Compatible with standard vehicle ride heights, this pitman arm fits steering shafts with a diameter of 1.158 inches and center link end attachments of 0.596 inches, ensuring compatibility with various GM truck and SUV models.

Compatible Vehicles and Applications

This Delphi Steering Pitman Arm TA2321 is compatible with the following makes and models:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Silverado 1500, 2500, 3500 (including Classic and HD variants), Suburban 1500, 2500, Tahoe
• GMC Sierra 1500, 2500, 3500 (including Classic and HD variants), Yukon, Yukon XL 1500, Yukon XL 2500
• Hummer H2
• Chevrolet Express 2500, 3500 and GMC Savana 2500, 3500

Common Issues Addressed by This Pitman Arm

• Excessive steering play or looseness
• Uneven or difficult steering response
• Steering wheel vibration or wobble
• Worn or damaged pitman arm components
• Steering linkage misalignment

Installation Notes and Tips

When installing the Delphi TA2321 pitman arm, ensure the following steps for proper fitment and safety:

• Verify spline count and shaft diameter match vehicle specifications
• Use the included castle nut and torque to manufacturer’s recommended specifications
• Grease the fitting after installation to maintain lubrication
• Check steering linkage alignment and adjust as necessary
• Inspect related steering components for wear during installation

Quality Assurance and Warranty

Delphi manufactures the TA2321 pitman arm to meet or exceed OEM standards for fit, form, and function. This part is a standard replacement grade component designed for reliable performance. It includes a grease fitting for maintenance and is constructed from durable steel to withstand typical driving conditions. Warranty coverage details should be confirmed with the point of purchase or Delphi directly.