Dorman HD Solutions Heavy Duty HVAC Blend Door Actuator for 1991-2023 General Motors and 2000-2017 Mack 604-5155

Heavy duty HVAC blend door actuator for 1991-2023 General Motors and 2000-2017 Mack trucks used to replace worn or failing factory air door actuators restoring proper climate control operation.

Built to meet the manufacturer's design intent for reliable service, this unit is engineered as a direct-fit replacement matching OE form, fit, and function. It is constructed with quality materials and validated through testing to stand up to daily driving demands and heavy duty applications.

Key Features

• Direct replacement for specific original equipment actuator positions
• Engineered by a team of experts in the United States
• Compatible with General Motors and Mack vehicle configurations
• Replaces part numbers 16124922, 89018356, and 3543H2470
• Designed to restore proper HVAC airflow direction

Benefits

• Restores accurate temperature blending and airflow control
• Reduces the risk of repeat repairs through durable construction
• Ensures smoother installation with OE-matching dimensions
• Helps eliminate unusual noises from failing actuator motors
• Provides a trustworthy solution backed by over a century of experience

Application

Ideal for fleet managers and owner-operators needing to repair heating and cooling systems in late model Mack trucks and a wide range of General Motors vehicles where climate control vents are stuck or unresponsive.

Fitment Notes

• Fits select 1991-2023 General Motors models
• Fits select 2000-2017 Mack models
• Verify specific vehicle position and function before installation as many vehicles use multiple actuators

Why Choose Dorman - HD Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function helping ensure reliable results.

What's in the Box

• 1 HVAC Blend Door Actuator

Item Dimensions

• 5.6in x 3.5in x 3.0in
• Weight: 0.4lbs