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Bendix

Bendix QR-1 Quick Release Valve

Bendix QR-1 Quick Release Valve

SKU: 745-229859N

Availability: Out of stock

$39.82 USD
$8.62 USD $39.82 USD
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Compatibility & Purchase Guidelines

  • Verify OEM Compatibility: Always match your OEM part number with our cross-reference list before purchasing to ensure proper fitment.
  • Avoid Returns: Do not rely solely on visual similarity. Parts may look identical but differ in specifications. Confirm compatibility using part numbers.
  • Truck Brand Reference Disclaimer: Mentioned truck brands are provided for general reference only and do not guarantee universal compatibility across all models.

Shipping Policy

In order to send your purchase, our company may use different freight companies like USPS, UPS and some 3rd Carrier Services for Oversize orders, this will not affect the final price of your order. We will send you all the information in due time. 

For Free Shipping and Freight/Oversize Shipments tthere are some special terms you may check at our Terms & Conditions page.

 

Return Policy

If for any reason you need to return a purchased item, we have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must meet the conditions established in our Terms & Conditions.

To start a return, you can contact us at admin@maxitrucks.com. 

Key Features & Benefits

  • Accelerates Brake Release – Quickly vents service brake air directly at the valve, reducing brake release time for faster brake response and improved vehicle efficiency.
  • Minimizes Brake Drag – Helps eliminate residual air pressure in the brake chambers, reducing brake drag, unnecessary heat generation and premature brake component wear.
  • Restores OEM Performance – Built to genuine Bendix QR-1® specifications with a 3/8 NPT supply port, dual 3/8 NPT delivery ports and 0 PSI crack pressure for dependable operation.
  • Withstands Demanding Service – Engineered for heavy-duty trucks, buses and vocational equipment operating under severe commercial driving conditions and frequent brake applications.
  • Installs as a Direct Replacement – Direct replacement for Bendix 229859N QR-1® quick release valve in systems requiring the same port configuration, mounting pattern and operating characteristics.
View full details

Keep your air brake system performing at its best with the genuine Bendix 229859N QR-1® Quick Release Valve. Designed to rapidly exhaust brake chamber air, it improves brake release speed, reduces brake drag, helps extend brake component life and restores the reliable braking performance demanded by heavy-duty commercial vehicles.

Basic Part Information5 attributes
Basic Part Information
Product LineBrakes
Category NameBrakes
Part TypeQuick Release Valve
Alternate Part NameAir Brake Quick Release Valve, Quick Release Valve
ModelQR-1
Application/Fitment Attributes8 attributes
Application/Fitment Attributes
Application TypeSemi-Trucks, Heavy Duty Trucks
Delivery Port 1 Size3/8-18 NPT (Female)
Delivery Port 2 Size3/8-18 NPT (Female)
Exhaust PortOpen
Mounting Hole Qty2
Mounting Holes Size0.34 in.
Supply Port Size3/8-18 NPT (Female)
TMC WasherQR000
Dimensional/Physical Attributes1 attribute
Dimensional/Physical Attributes
MaterialDie-cast Aluminum
Technical/Performance Attributes5 attributes
Technical/Performance Attributes
Differential Pressure0 psi
Maximum Operating Temperature200 deg. F (93 deg. C)
Minimum Operating Temperature-50 deg. F (-45 deg. C)
Sustained HoldNo
Zero HysteresisYes
Packaging / Logistics Attributes:1 attribute
Packaging / Logistics Attributes:
Net Weight0.76 lb.
Special Attributes1 attribute
Special Attributes
Foam Insert IncludedNo
Intended Application
Intended Application
  • Compatible with heavy-duty air brake systems requiring a Bendix QR-1® quick release valve with a 3/8 NPT supply port and dual 3/8 NPT delivery ports. Ideal for commercial trucks, tractors, buses and vocational vehicles using pneumatic service brake systems. Installs in service brake circuits to rapidly exhaust brake chamber air, reducing release time, minimizing brake drag and restoring OEM braking performance.
  • Always compare with your OEM part number prior to purchase to confirm full compatibility.
  • 10229859, 170229859, 229859, 229859N, 229859RX, 229859X, A9859, AV065067, AV229859, BH229859, EBN229859N, EM36570, LOV3657, OR229859, OR229859X, R955229859N
Dimensions Not Available.