530P00018 LOW AIR PRESSURE SWITCH (NC) W/ CUT-OFF FUNCTION

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Technical Specifications

Part Type Low Air Pressure Switch (NC) — Kick-Off / Cut-Off Switch
Part Number SAP 530P00018 (SAP-530P)
Thread / Port Size 1/8"-27 NPT (with thread sealant on most versions)
Type / Configuration Normally Closed (NC)
Pressure Setpoint Opens / activates at 2–6 PSI
Function Low air pressure warning buzzer + Cruise Control Cut-Off (Kick-Off) before supply tank pressure drops to unsafe levels
Connector Type 2-Blade Terminal (typical)
Length (approx.) ~1.95 inch (49.5 mm)
Replaces OEM Freightliner 17492134 / FSC1749-2134

Cross References

Brand Part Number
Freightliner 17492134, FSC1749-2134
Newstar S-20678
Automann 577.46604
PAI 740250
SAP 530P00018 (SAP-530P)

Vehicle Fitment

Make Model Model Years Notes / Engine Specs
FREIGHTLINER Century Class (CST112 / CST120) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 • Series 60 • Series 50 • Air brake system with cruise cut-off
Columbia (CL112 / CL120) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 • Series 60 (12.7L / 14L) • Air brake + cruise control cut-off
Classic / Classic XL 2008, 2009, 2010 • Series 60 • Air system equipped
FLD / FLD112 / FLD120 / FLD132 1997, 2005, 2007, 2008, 2009, 2010 • Series 60 • Series 50 • Air brake system
Argosy / FL Series 1997, 1999, 2000, 2005, 2008 • Series 60 • Air brake equipped models
Notes This is an air system component (low air pressure switch). Fitment is primarily on Freightliner trucks with air brake systems and cruise control cut-off functionality. Confirm exact chassis/air system configuration before installation. Common on trucks with Detroit Diesel Series 60 engines.
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530P00018 LOW AIR PRESSURE SWITCH (NC) W/ CUT-OFF FUNCTION

$18.06