Mustang Ac Pressure Switch For R134

Ricardothegreat

New Member
Jan 1, 2016
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Looking for a part number for ac pressure switch. 92 Mustang LX 5.0. I replaced all ac lines and receiver drier with new ones by 4 seasons and added pag oil to convert to 134. My old pressure switch was bad so I couldnt reset it for the different pressure. My problem is that every new switch I can find is either bigger or smaller and wont thread into the receiver drier. Has anybody had this problem and does anybody know a part number for the correct switch? Thanks in advance!
 
Take a look at the following link:

1979-93 Mustang A/C Accumulators


Unless you have some non-standard things going on (I do not know what you A/C replacement kit requires) then that should be the switch that you need.
Take a look at the following link:

1979-93 Mustang A/C Accumulators


Unless you have some non-standard things going on (I do not know what you A/C replacement kit requires) then that should be the switch that you need.

Thank you! I will check this out.
 
@Ricardothegreat

The OEM A/C pressure switch that is located on top of the accumulator has a 1/4" female flare thread that seals with an O ring. If memory serves me correctly, that is a 1/2"x20 thread.