Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

Peterbilt · HVAC
MA0200-01S
In stock · ships from Knoxville
The MA0200-01S is a blend door actuator for Peterbilt truck HVAC systems.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Peterbilt
Peterbilt
Also functions as a heater water shut-off valve actuator. Direct fit for Peterbilt models with red "D" series climate control system.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It moves the blend door to mix hot and cold air, keeping the cab at the set temperature. Replace it when the air won’t switch between hot and cold, or when airflow doesn’t reach the correct vents. This electric actuator is also used as a water shut-off valve actuator in certain heater circuits.
Part Number: MA0200-01S
BLEND DOOR ACTUATOR
Vendor: Peterbilt of Knoxville
Dealer: KP Services Crossville
Compatibility, alternatives, and more