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Description
SAP-KN31000 PRESSURE PROTECTION VALVE W/ 1/4 PORTS W/O BACKFLOWTechnical 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
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 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Beautiful item
Color: Black
Absolutely love this item. It is perfect for my living room decor. It is very well made and stylish. I use it to keep track of my eye glasses.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
★★★★★ 5
Really nice!
Color: Cream
Very attractive and more expensive looking than its cost. I have it in red, too.
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Reviewed in the United States on November 7, 2025
★★★★★ 5
Nice Tray
Color: Black
Nice tray!
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Reviewed in the United States on October 16, 2025
★★★★★ 5
Versatile and decent size
Color: Black, Color: Black
I love little trays for random things. I saw this and had to get it. I ordered the black one. It came nicely packaged in a box that protected it from any damage during transport. It is approximately 8” x 8” x 1.6.” It is made of faux leather and MDF. It is supposedly water-resistant, but I have tested that. The interest in smooth, while the exterior walls have vertical ridges. The bottom is smooth. It’s heavy enough so it doesn’t side around. I have used it for numerous things: jewelry, pens and notepads, keys and sunglasses, perfume, medications, change, remotes, and change. It’s a handy and modern piece that could suit most people.
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Small Valet Tray Nightstand Organizer (Black)
Color: Black, Color: Black
I really love the leather look of this valet tray. It’s both stylish and functional, giving a classy touch to my nightstand while keeping small items neatly organized. The PU leather finish feels smooth, looks high-end, and the construction feels sturdy.
Pros:
Elegant PU leather design with a textured finish
Compact 8x8 inch size fits perfectly on nightstands, dressers, or desks
Multi-purpose — great for keys, watches, jewelry, remotes, or glasses
Water-resistant surface makes it easy to wipe clean
Adds a decorative touch while being practical
Makes a thoughtful and stylish gift
Cons:
The sides are a little low, so bulkier items may slide out
Only available in limited colors compared to some other organizers
Overall, this is a really nice valet tray. It looks more expensive than it is, keeps my essentials in one place, and adds a clean, organized look to my space. Definitely worth it if you like the leather aesthetic!
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Reviewed in the United States on September 20, 2025