SAP-KN31000 PRESSURE PROTECTION VALVE W/ 1/4 PORTS W/O BACKFLOW

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Technical Specifications

Part Type Double Check Valve (Air Brake System)
Part Number (SAP) SAP-KN31000
Port Size 3 ports - 1/4" NPT
Max. Operating Pressure 150 PSI
Material Brass body with internal check mechanism
Key Features Prevents backflow from two air sources, compact design, direct OEM replacement

Cross References

Brand Part Number
SAP SAP-KN31000
Haldex KN31000
Fortpro / Prima F224719, ATV-KN31000
Automann 170.KN31000
World American WA-KN31000
Bendix / Aftermarket SC-1 style 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 system double check valve
Columbia (CL112/120) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 • Air brake check valve
Coronado (CC122/132) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 • Air brake system
Classic / FLD Series 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 • Air brake double check valve
Century Class / Argosy 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 • Air brake system
KENWORTH T680 / T880 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 • Air brake double check valve
T800 / T600 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 • Air brake system
W900 / W900B 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 • Air brake double check valve
K100 / K500 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 • Air brake system
PETERBILT 389 / 388 / 387 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 • Air brake double check valve
579 / 567 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 • Air brake system
379 / 378 / 377 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 • Air brake double check valve
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SAP-KN31000 PRESSURE PROTECTION VALVE W/ 1/4 PORTS W/O BACKFLOW

$29.12