Vacuum Non-Bypass Closes Heater Valve
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CARQUEST or Factory Air Vacuum Non-Bypass Closes Heater Valve

Part No. 74605 Warranty Details  

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Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications.

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Factory Air.

Product Features:
  • Temperature tested to 270 degrees F
  • Pressure tested to ensure leak free design
  • Vacuum controlled
  • Application specific design
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Fitting Size:5/8 x 1/2 in
Hose #1 Size:.625 in
Hose #2 Size:.5 in
Operation Type:Vacuum Closes
Type:Vacuum Closes


by PowerReviews
CARQUEST or Factory AirVacuum Non-Bypass Closes Heater Valve

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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(2 of 4 customers found this review helpful)


Heater Control Valve


from Massillon, Ohio

About Me Auto Enthusiast, Truck Enthusiast

Verified Buyer


  • Easy To Install
  • Exact fit


  • none

Best Uses

  • Everyday Driving
  • Restoration

Comments about CARQUEST or Factory Air Vacuum Non-Bypass Closes Heater Valve:

Wasn't able to get heat into the car after replacing pretty much all of the engine cooling parts less the radiator and then realized it must be this valve. It was a perfect OEM replacement and did the job!

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