Peterbilt Low Pressure AC Switch Normally Open Replaces 18-03834 By BESTfit

BESTfit AC Pressure Cycling Switch

The BESTfit Low Pressure AC Switch is a high-quality replacement designed specifically for Peterbilt trucks, ensuring efficient and reliable HVAC system operation. Featuring an M12 x 1.50 metric thread, this pressure cycling switch activates at 47 PSI and turns off at 23 PSI, with a normally open design for precise low-pressure control. Engineered to replace OEM part number 18-03834, this durable switch helps protect your air conditioning system from pressure fluctuations, maintaining optimal performance and prolonging component life.

* High Quality AC Pressure Switch
* M12 X 1.50 Metric Thread
* On At 47 PSI
* Off At 23 PSI
* Sold Individually
* Warranty On A/C Switches Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM) ***

* Replaces OE Number 18-03834

Fitment

* Fits Peterbilt 320 1995 thru 2014
* Fits Peterbilt 330 1995 thru 2005
* Fits Peterbilt 335 2005 thru 2010
* Fits Peterbilt 337 2011 thru 2014
* Fits Peterbilt 340 2007 thru 2010
* Fits Peterbilt 348 2011 thru 2014
* Fits Peterbilt 357 1995 thru 2007
* Fits Peterbilt 362 1995 thru 2000
* Fits Peterbilt 365 2007 thru 2014
* Fits Peterbilt 367 2007 thru 2014
* Fits Peterbilt 375 1995 thru 1995
* Fits Peterbilt 377 1995 thru 2000
* Fits Peterbilt 378 1995 thru 2007
* Fits Peterbilt 379 1995 thru 2007
* Fits Peterbilt 384 2007 thru 2014
* Fits Peterbilt 385 2000 thru 2007
* Fits Peterbilt 386 2006 thru 2014
* Fits Peterbilt 387 1999 thru 2010
* Fits Peterbilt 388 2008 thru 2014
* Fits Peterbilt 389 2008 thru 2014
* Fits Peterbilt 389 Glider 2008 thru 2014
* Fits Peterbilt 567 2014 thru 2014
* Fits Peterbilt 579 2013 thru 2014
* Fits Peterbilt 587 2011 thru 2014

** Fits Peterbilt 567 SBA 2014 thru 2014 **