Description
281865-G RELAY/EMERGENCY VALVE
PART NUMBER(S):
Fleet Products: 281865-G | OE: 281865, BEN281865, Y281865, BX281865 | Automann: 170.281865 | Bendix: 281865, 281865N | Euclid: EBN281865N | Haldex: 281865X | International-Navistar: FLTBV1865 | Mack: 745-281865N | Meritor: R955281865N | PAI: LEV3614
DESCRIPTION:
Model: RE-6 Style Dual function relay and emergency valve
Vehicles: Trailers and off-road applications
• Supply Ports: 1 @ 3/4" NPT, 1 @ 3/8" NPT
• Delivery Ports: 2 @ 1/4" NPT, 2 @ 3/8" NPT
• Service Port Size: 1/4" NPT
• Emergency Port Size: 1/4" NPT
• Initial Emergency Application Pressure: 50 ± 5 PSI
• Maximum Emergency Release Pressure: 95 PSI
• Crack Pressure Setting: 4.5 PSI
• Mounting: Standard flange with mounting holes
• Function: Controls emergency brake application, ensuring rapid air release during system failures
Primarily used on trailer air brake systems, especially on pre-FMVSS-121 and off-road vehicles requiring reliable emergency relay function. Fits most makes and models, including Mack, Freightliner, Navistar, and Caterpillar.
CROSS-REFERENCE(S):
0R281865BXR, 0R281865X, 034029, 101197, 101197X, 1019237, 1019238, 1092941, 110268, 110470, 14033, 14453, 1663363, 16A63363, 170.281865, 1936001006, 1998530001, 21406050, 2281865, 2471955, 281672, 281860, 281860514658, 281860CX, 281862, 281864, 281865, 281865B1, 281865BXW, 281865CX, 281865-G, 281865N, 281865NP, 281865R, 283034, 284103, 285708, 288724, 31A1631, 34029, 3508598, 3614, 36140, 37025, 38072, 401130, 4017762, 4037833, 41188, 41308, 4184001, 48206099, 4900093, 5001242, 50652874, 5672, 56720, 6B277445, 7J7235, 7271, 83073240, 846938, 9016927, 9018245, 9049029, 9051594, 936001004, 9710050000, ACC049418, AM170281865, AND91477, ARA32601, BB281865N, BEN-281865, BEN281865, BER-281865, BW281860, BW800098, BX281860, BX281865, BX800098, E-BN281860N, E-BN281865N, E-BN281865X, E4037833, EBN281865N, EM36140, F224703, FLTBV865, FS281865N, IK281865N, KN30300, KN30400, LEV-3614, M-281865, M1567182, M2511014, OTR281865, R6514-A, R955281860N, R955281865, S-7558, S7558, TKL25018, TV281865, VTC-5587, WA281865A, Y281865
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:
✔ Mount using standard flange and existing mounting holes
✔ Install as direct bolt-on replacement; no special tools required
✔ Supplied with safety caps to protect threads and mechanism before installation
✔ No torque specs explicitly specified; follow standard NPT and flange mounting practices
✔ Verify emergency application pressure and system compatibility prior to installation
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Warranty Information
