SKP SK604120 HVAC Blend Door Actuator - Main or Right Main

HVAC Blend Door Actuator for GM Trucks and SUVs

Restore proper air distribution in the cabin with this SKP HVAC blend door actuator, part number SK604120. It is a direct-fit replacement for select GM trucks and SUVs with manual temperature controls, including applications for air inlet and recirculation doors.

Key Features

• HVAC blend door actuator for temperature and air inlet control
• Fits Main and Right Main positions, depending on vehicle application
• Direct replacement for select Chevrolet, GMC, Cadillac, Buick, Oldsmobile, and Isuzu models
• Cross-references Dorman OE Solutions 604-120
• SK604120 is listed for vehicles with RPO codes C60 and CJ3 where specified

Detailed Description

SK604120 is an HVAC blend door actuator used to control airflow routing inside the heating and air conditioning system. This part is listed for a wide range of GM platforms, including Chevrolet Trailblazer, GMC Envoy, and Chevrolet Silverado 1500 applications, along with related Cadillac Escalade and GMC Yukon models. It also covers select 1999-2009 GM trucks and SUVs with front manual temperature controls, plus specific recirculation and temperature positions where noted.

This part cross-references Dorman OE Solutions 604-120 for the same application.

What It Helps Fix

• Incorrect cabin temperature control
• Air stuck on one vent or outlet setting
• Recirculation door movement problems
• HVAC clicking or inconsistent actuator response
• Loss of proper air inlet control on manual climate systems

Installation Notes and Tips

Verify the vehicle year, make, model, position, and RPO code before ordering. Fitment varies by Main and Right Main locations, and some 2003 applications require checking whether the unit is used with or without a bottom cover. Confirm the existing actuator location and HVAC control type to match the correct application.

Quality Assurance

SKP replacement parts are cataloged for direct-fit service applications and are matched to the listed OE-style interchange references for the vehicles shown.