Description
279952-G - R-6 SERVICE RELAY VALVE - 2 PSI
PART NUMBER(S):
Fleet Products: 279952-G | Replaces OE: Bendix: 279952, 280651, 280651, 279952 | Automann: 170.279952 | Haldex: A103600 | WABCO: 9738900190 | Trailmobile: 177141 | Terex: 9006449 | Caterpillar: D2X-2654, 5D-9544 | Mack: 745-279952 | Volvo: 3918728 | Meritor: R955279952N | Velvac: 034021 | Dayton Parts: AV279952
DESCRIPTION:
Model: Bendix R-6 Service Relay Valve
Vehicles: Heavy-duty trucks and trailers using compatible service brake circuits
• Valve Type: Air-operated graduating relay valve
• Supply Port: One 3/4" NPT
• Delivery Ports: Four 3/8" NPT
• Control Port: One 1/4" NPT
• Crack Pressure: 2.0 PSI
• Mounting Holes: Two 0.425" holes
• Mounting Hole Distance: 2.500"
• Mounting: Two-hole flange mount
• Function: Accelerates service brake application and release
Applications:
Designed for air brake systems requiring rapid delivery of reservoir air to multiple service brake chambers. The low 2 PSI crack pressure provides fast brake response in compatible truck and trailer applications.
CROSS-REFERENCE(S):
279952N, 279952NP, 279952RX, 279952X, 279952B1, 279952R, 279952BXW, 279952CX, OR279952, OR279952X, 0R279952, 0R279952BXR, A103600X, A85490, A86477, A97600, 280856N, 51444, 279180, 279180X, 279730, 279730X, 34021, 110139, 110450, 110600, 401132, 936001005, 7926000493, M1567183, S-A147, SA147, S-17740, WA279952, RG4, RS2, BA147GRP, RL3518ED03, VTC-147A, TKL279952, BW279952N, BDX279952, BEN279952, BEN-279952, BER-279952, BW 279952, BW 279952N, BW279952, BW280651, BX279952, BX279952N, BX280651, BXOR279952B1, HDX A103600X, TV279952, 034021VEC, 14446, R955279952, TDAR955279952N, 8235R955279952N, TLA279952, 12343, 12345, WM147P, WM147P-G, 111542
A cross-reference listing means this part may be a suitable replacement for the listed part numbers. Always verify fitment before installation.
IMPORTANT INSTALLATION NOTES:
✔ Confirm the 3/4" supply, four 3/8" delivery, and 1/4" control connections.
✔ Verify the two 0.425" mounting holes and 2.500" center spacing.
✔ Mount close to the service brake chambers for rapid response.
✔ Apply air-system-compatible sealant without allowing sealant inside the valve.
✔ Test 2 PSI crack pressure, balanced delivery, rapid release, and no leakage.
Warranty Information