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This is a replacement valve that screws onto the back of your intake manifold for A/C cars. It holds vacuum, but isn't a factory part but will perform as such. $45
ship inc. to lower 48.
It would help if you knew the application. The small diameter thread says it's for a 1970- older vehicle, but I don't know if they all had the same vacuum operation (either vacuum to close or vacuum to open).
It would help if you knew the application. The small diameter thread says it's for a 1970- older vehicle, but I don't know if they all had the same vacuum operation (either vacuum to close or vacuum to open).
1/2 " NPT, in the call for heat, this valve opens, under vacuum, to allow warm coolant into the heater core.
