Dorman 74391 Seat Adjustment Knob - Front Right

Seat Adjustment Knob for Front Right Seats

This Dorman seat adjustment knob restores control of the front right seat adjustment function on select GM and Hummer vehicles. Built from black plastic, it is shaped to match the original knob’s fit and function for a direct replacement on the specified applications.

• Direct replacement seat adjustment knob for the front right seat
• Black plastic construction for everyday interior use
• Matches original fit and function on listed vehicles
• Indicator markings included for easier seat control identification
• Designed for reliable performance in the seat adjustment mechanism

Vehicle Fitment

• Fits 2004-2010 Chevrolet Colorado, front right.
• Fits 2004-2010 GMC Canyon, front right.
• Fits 2006-2010 Hummer H3, front right.
• Fits 2009-2010 Hummer H3T, front right.
• Fits 2002-2009 Chevrolet Trailblazer, front right.
• Fits 2002-2009 GMC Envoy, front right.
• Fits 2004-2007 Buick Rainier, front right.
• Fits 2003-2006 Chevrolet SSR, front right.
• Fits 2002-2006 Chevrolet Trailblazer EXT, front right.
• Fits 2002-2006 GMC Envoy XL, front right.
• Fits 2004-2005 GMC Envoy XUV, front right.
• Fits 2002-2004 Oldsmobile Bravada, front right.

Detailed Description

Dorman 74391 is a seat adjustment knob engineered for the front right seat position on select Chevrolet, GMC, Buick, Oldsmobile, and Hummer models. It is made of black plastic and includes indicator markings to match the original control layout. This part number 74391 is a practical OE-style replacement for vehicles such as the Chevrolet Colorado, GMC Canyon, and Chevrolet Trailblazer, where a worn or broken knob can affect seat adjustment operation. This part cross-references 89042211 for the same application.

Common Problems This Part Can Address

• Broken or cracked seat adjustment knob
• Loose knob that no longer engages the seat control rod
• Missing indicator markings on the seat control
• Difficulty adjusting the front right seat position
• Worn interior control that no longer matches the original appearance

Installation Notes and Tips

Verify the vehicle’s year, make, model, and front right seat position before ordering. Compare the original knob shape and control interface to confirm proper fitment. Inspect the seat adjustment rod and surrounding mechanism for wear or damage before installing the replacement knob. Part number 74391 is intended for the listed applications only.

Quality Assurance

Dorman designs this seat adjustment knob to match the fit and function of the original part on specified vehicles. The construction is engineered for durability and dependable operation in normal interior use.