Description
QUICK RELEASE/CHECK VALVE – QR-1C (1/2" NPT)
PART NUMBER(S):
Fleet Products: 289714, 289714-G | OE: 289714, KN32041, 289714RX | Automann: BHV289714N
DESCRIPTION:
Model: Quick Release/Check Valve
Vehicles: Universal fit for heavy-duty truck and trailer air brake systems (emergency side of spring brakes)
• Valve Type: Quick Release + Double Check (QR-1C)
• Function:
• Releases air pressure from the emergency side of spring brakes
• Prevents simultaneous application (anti-compounding function)
• Supply Port Size: 1/4" NPT
• Delivery Port Size: 3/8" NPT (2 ports)
• Balance Port Size: 1/4" NPT
• Crack Pressure: 0–1 PSI (max)
• Mounting: Two 11/32" diameter holes, bolt-on (1.5" spacing)
• Material: Durable cast housing
• Dimensions: Approx. 2.68" height
• Weight: Approx. 0.94 lbs (0.43 kg)
• Thread Type: NPT (all ports)
• Actuation: Pneumatic
• Unique Features:
• Combines quick release and check valve functionality
• Direct exhaust, reduces brake lag
• Double check prevents anti-compounding during emergency applications
• OEM-grade durability
Used primarily on the emergency side of spring brake systems in trucks and trailers. Ensures rapid air exhaust and prevents unintended simultaneous spring brake application. Commonly specified across Freightliner, Mack, Navistar, Volvo, and other North American truck platforms. Designed for use in robust air brake systems with reliability and safety-critical performance.
CROSS-REFERENCE(S):
289714, 289714N, 289714RX, 289714X, 289714P, OR289714X, BW289714, BW289714N, 104576, KN32041, BHV289714N, QR-1C, ZZ289714, KN32040, AV289714, BEN289714N, OTR289714, E-BN289714N, 745-289714N, 745-289714RX, 25175160, 20QE2288, 2QE2288, TDAR955289714N, R955289714N, R955289714X, ZAC289714, 1676745C1, BAN289714, BX289714N, 034012, 729013401, 85150276, ACA-09479700, N17943, TWDBEN289714N, FB8536, H289714, OR289714, R289714, K289714, BND289714N, BX289714B1, BX289714X, BXOR289714, BXW289714, 109089, 800539, 6300WKN32041, 8235R955289714N, TDARKN32041, WKN32041, 4735050030, 9340990100, 9340990150, 9340990200, 34012, 170.289714, 170289714, 8235RKN32041, AM170289714, 3626, 36260, EM36260, LQV-3626, 14477, TV289714, KL3516WA, BER-289714, S-9749, S9749, M-289714, 0587-289714P, 14233, 1899664717, 3501023, 4820-01-095-1697, 90015034, B9749GRP, F224699, FC289714, Q7005A, RL3516FD07, SM-3321, US31-1046
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Install using marked supply, balance, and delivery ports
✔ Ensure no leaks; verify operation of check valve to prevent anti-compounding
✔ Use thread sealant compatible with NPT ports
✔ Mount using two 11/32" bolts (1.5" spacing)
✔ Confirm part number fitment against OEM documentation
✔ Use BEN260519 kit if pressure conversion is required
✔ Test for leaks and function after installation
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
• Canadian-owned since 1985• Trusted by fleets, mechanics, and B2B partners across North America
• Fast, Reliable Shipping Across North America
• Competitive pricing with Core Return Refunds
• Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
Warranty Information
