Pressure Protection Valve W/ 1/4 Ports W/O Backflow - SAP-KN31000
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Description
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 |
| FREIGHTLINER | Columbia (CL112/120) | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 | • Air brake check valve |
| FREIGHTLINER | Coronado (CC122/132) | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 | • Air brake system |
| FREIGHTLINER | Classic / FLD Series | 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 | • Air brake double check valve |
| FREIGHTLINER | 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 |
| KENWORTH | 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 |
| KENWORTH | 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 |
| KENWORTH | 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 |
| PETERBILT | 579 / 567 | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | • Air brake system |
| PETERBILT | 379 / 378 / 377 | 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 | • Air brake double check valve |
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 |
Vehicle Fitment
| Make | Model | Years | Engine | Configuration | Application 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 | ||
| FREIGHTLINER | Columbia (CL112/120) | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 | • Air brake check valve | ||
| FREIGHTLINER | Coronado (CC122/132) | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 | • Air brake system | ||
| FREIGHTLINER | Classic / FLD Series | 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 | • Air brake double check valve | ||
| FREIGHTLINER | 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 | ||
| KENWORTH | 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 | ||
| KENWORTH | 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 | ||
| KENWORTH | 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 | ||
| PETERBILT | 579 / 567 | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | • Air brake system | ||
| PETERBILT | 379 / 378 / 377 | 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 | • Air brake double check valve |
Part Numbers & 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 |
Important Notes
Fitment Notes: Supplier claims; not independently verified
