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Technical Specifications Part Type Safety Valve - ST-4 Style (Preset at 250 PSI) Part Number (SAP) SAP131081 Port Size 1/2" NPT Preset Pressure 250 PSI Max. Operating Pressure 300 PSI Material Brass body with internal relief mechanism Key Features Automatic pressure relief at 250 PSI to protect air brake system from over-pressurization, compact direct replacement design Cross References Brand Part Number SAP SAP131081 Bendix 131081 Prima Brake Components AV131081, S8804 Aftermarket Equivalents 9650012080 series equivalents Equipment / Vehicle Applications Make Model Model Years Notes FREIGHTLINER Cascadia (113/125) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 • Air brake safety valve (ST-4 250 PSI) Columbia (CL112/120) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 • Air brake system safety valve Coronado (CC122/132) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 • Air brake pressure relief Classic / FLD Series 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
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$11.00