Delphi TA2258 Steering Pitman Arm

Delphi Steering Pitman Arm TA2258 Overview

The Delphi Steering Pitman Arm TA2258 is engineered for reliable steering performance in select Chevrolet, GMC, and Oldsmobile vehicles. Designed as a direct replacement part, it ensures proper fit and function for models including the Chevrolet S10, GMC Jimmy, and Oldsmobile Bravada.

• Constructed from durable steel for strength and longevity
• 36 spline quantity for precise steering shaft engagement
• Length measures 132.0 mm (5.196 inches) for accurate fitment
• Pre-greased and greaseable with included grease fitting for maintenance ease
• Includes castle nut for secure installation
• Compatible with standard vehicle ride height setups
• Fits steering shafts with a diameter of 1.146 inches (29.1 mm)

Detailed Product Description

The Delphi TA2258 Steering Pitman Arm is manufactured from high-quality steel, providing the necessary strength to handle steering forces in mid-size trucks and SUVs. Its 36-spline design ensures a secure connection to the steering shaft, minimizing play and enhancing steering response. The arm length of 132.0 mm (5.196 inches) matches OEM specifications for proper geometry and alignment. Finished in black, this pitman arm comes pre-greased and includes a grease fitting, allowing for ongoing lubrication to reduce wear and extend service life. The included castle nut facilitates a secure and reliable installation. This part is designed for vehicles with standard ride height, making it suitable for stock suspension setups on Chevrolet S10, GMC S15 Jimmy, and Oldsmobile Bravada models.

Compatible Vehicles and Applications

• Chevrolet S10 and S10 Blazer
• GMC Jimmy and S15 Jimmy
• Oldsmobile Bravada
• GMC Sonoma

This pitman arm is intended for use in steering systems requiring a 36-spline, 1.146-inch diameter shaft connection and standard ride height configuration.

Common Issues Addressed by Delphi TA2258 Pitman Arm

• Excessive steering play or looseness
• Uneven or unstable steering response
• Worn or damaged pitman arm components
• Difficulty maintaining vehicle alignment
• Steering noise or binding during operation

Installation Notes and Tips

Ensure the steering shaft spline count and diameter match the TA2258 specifications before installation. The included castle nut should be torqued to manufacturer-recommended values and secured with the appropriate cotter pin. Since the pitman arm is pre-greased and greaseable, apply additional grease through the fitting after installation to maintain smooth operation. Verify vehicle ride height is standard to ensure proper fitment and steering geometry.

Quality Assurance and Warranty

Delphi provides this steering pitman arm as a standard replacement part meeting OEM quality standards. The TA2258 is manufactured with precision to ensure durability and reliable performance. While specific warranty details may vary, Delphi parts typically come with a limited warranty covering defects in material and workmanship under normal use.