[Shotimes] Blend door actuator on rockauto question

[Adam Phillips]

Rock auot lists 2 blend door actuators, one "with factory air" part #YH530 
and one that just says "heater" part# YH531. Any thoughts on how I'm 
supposed to know what the difference is?!



Adam Phillips
Trenton, NJ
92 White MTX
148k?, mods
moneypit in progress

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