If you have any questions, please contact us via Amazon Message directly, our professional customer service would help in 24H. REPLACEMENT FOR BENDIX QR-1||The QR-1 Quick Release Valve is designed to speed up the exhaust of air from the air chambers. It is mounted close to the... Specification: 100% brand new Material: Steel Color: Silver SPECIFICATIONS: Crack Pressure: 1 PSI Supply Port: 3/8 Delivery Port: 3/8 Approximate Weight: 0., 8 lbs Package included: 2 X Quick release valve Replace OE part number: Bendix 229859 Quick Release Valve 3/8 Supply Port Bendix 288251 Quick Release Valve 3/8 Supply Port IHC 1676706C1 Quick Release Valve 3/8 Supply Port Mack 745229859 Quick Release Valve 3/8 Supply Port Midland KN32005 Quick Release Valve 3/8 Supply Port Bendix Brake Valve T-240005-1 229859 Quick Release Valve For Commercial Vehicles Air Release Valve 2 Pack Of TORQUE QR-1 QR1 Quick Release Valve (Replaces Bendix 229859, Midland KN32005, Haldex 229859X) (2 X TR229859 Mack Truck Parts Air Brake Valve 【High Quality】The use of high-quality materials and advanced technology, well-made products are made to ensure the durability of the products., 【Warranty】One-year warranty. Bendix Valve-Quick Release | 229859 – Peterbilt Parts Decreases the release time on a brake application. 【Replace Part Number】 229859, 288251, 1676706C1, 745229859, KN32005., 【Function】Exhausts air through itself rather than through the controlling valve.