This Dorman Product air door actuator is a direct replacement for Western Star 3700 models from the years 2000 and 2001. The part number for this actuator is 31247 and it also has an equivalent OEM part number of 63495. It is intended for use in automobiles and comes with a 1-year manufacturer warranty.

Please note that fitment notes should be reviewed before purchasing this product as it may not be compatible with all models. However, this actuator is a heavy-duty part that controls the water shut-off valve for your vehicle's heating system. Buy with confidence knowing that you are getting a reliable replacement part. Same Day Shipping!