Genuine GM 52474810 A/C Temperature Valve Actuator Genuine Oem:Yes, Category 2:Air Conditioner & Heater, Item Name:Actuator, Category 1:Hvac Brand:GM, Fitment Type:Direct Replacement, Part Ref# On Diagram:ONLY PART REFERENCE #22 ON THE DIAGRAM I Manufacturer Part Number:52474810, Category 3:Evaporator & Heater Components, Quantity Needed:1