Dorman PA6654RD Steering Pitman Arm

Rugged Duty Steering Support

The Dorman RD - Rugged Duty PA6654RD steering pitman arm is built for heavy-duty steering loads and long service life. It uses a hardened ball stud with a polished ball surface, a serviceable integrated bearing, and I.C.E. synthetic grease to support smoother movement under demanding conditions.

Compatible With Chevrolet Express, GMC Savana, Silverado, Sierra, Suburban, Yukon XL, and Hummer H2 applications, this pitman arm is made for vehicles that need dependable steering response and strong corrosion resistance. The coated steel construction and black finish help it stand up to harsh road conditions.

Key Features

• Steel construction with a coated black finish
• Hardened ball stud with a highly polished ball surface
• Serviceable integrated bearing for maintenance-friendly operation
• I.C.E. synthetic grease for internal lubrication
• Premium corrosion resistance for demanding environments
• 33-spline steering shaft connection
• Castle nut, cotter pin, and grease fitting included

Product Details

Dorman PA6654RD is a steering pitman arm for vehicles using a 33-spline steering shaft and a male taper center link connection. It measures 134.5 in length and uses a 30.32 steering shaft diameter with a 14 mm center link end attachment diameter and 1.5 mm pitch. This part cross-references MOOG Chassis Products K6654 and K6654HD for the same application.

The RD - Rugged Duty line focuses on steering components built for higher load absorption and durability. For Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, and Chevrolet Express 3500 service applications, PA6654RD provides a direct replacement option where steering strength and corrosion protection matter.

What It Helps Address

• Excessive steering play from a worn pitman arm
• Loose or inconsistent steering wheel response
• Steering linkage movement caused by worn ball stud surfaces
• Corrosion-related wear on exposed steering components
• Noise or binding from a deteriorated pitman arm bearing

Installation Notes

Verify spline count, steering shaft diameter, and center link attachment before installation. This part is listed for N/A position applications and should be matched to the vehicle’s steering configuration, including 3-groove pitman arm applications where noted. Use the included castle nut, cotter pin, and grease fitting during installation, and torque fasteners to the vehicle manufacturer’s specifications.

Fits 2009-2025 Chevrolet Express 2500 and Express 3500, 2009-2025 GMC Savana 2500 and Savana 3500, 2007-2013 Chevrolet Suburban 2500, 2007-2013 GMC Yukon XL 2500, 2007-2010 Chevrolet Silverado 2500/2500 HD/3500/3500 HD, 2007-2010 GMC Sierra 2500 HD/3500 HD, and 2003-2009 Hummer H2. Additional fitments include 2003-2008 Chevrolet Express 2500/3500 and GMC Savana 2500/3500 with 3-groove pitman arm, plus 1999-2006 Chevrolet Silverado 2500 and 2001-2006 GMC Sierra 1500 applications with 3-groove pitman arm.

Quality Assurance

Dorman RD - Rugged Duty components are engineered for demanding steering service and built with corrosion-resistant materials and serviceable design features. PA6654RD is backed by Dorman’s product engineering standards for replacement steering parts.