Quick view RVKN28080 - Relay Valve Supply (2): 1/2"Delivery (4): 3/8"Control (1): 3/8"Crack Pressure: 7.0± 1 PSIRepair Kit: RN10HBOEM Part Number: N30096N Used to apply and release service brakes on tractor or trailer, Cover may be rotated without affecting warranty or... Compare
Quick view RVKN30400 - Relay Valve Service Inlet: 1/4"Emergency Inlet: 1/4"Delivery (4) Ports: 3/8"Auxillary Reservoir: PluggedReservoir: 3/4" with Nipple, FemaleCrack Pressure: 4.5± 1 PSIRemarks: ChargingOEM Part Number: N4301CBDescription: Suitable for pre-121 trailers,... Compare
Quick view RVKN28601 - FF-2 Relay Valve Crack Pressure: 3.0 PSIReservoir: 1/2"Control: 1/4"Supply: 3/8"Spring Brake: 2 @ 3/8"Delivery (4): 3/8"OEM Part Number: N4304ABDescription: Can be used with single or twin air tanks, Valve combines a pressure protection valve, two one-way check... Compare
Quick view RVKN28600 - FF-2 Relay Valve Crack Pressure: 3.0 PSIReservoir: 3/4"Control: 1/4"Supply: 3/8"Spring Brake: 2 @ 3/8"Delivery (4): 3/8"OEM Part Number: N4304ACDescription: Can be used with single or twin air tanks, Valve combines a pressure protection valve, two one-way check... Compare
Quick view RVKN28550 - RG-5 Relay Valve Supply A: 1/2" x 3/8" nipple installed at factorySupply B: PluggedDelivery C: 3/8"Delivery D: 3/8"Control Port: 1/4"Bracket: NoOEM Part Number: N30110ADescription: Used on 2 tank, 3 valve trailer systems and tractor applications, Compact size, All... Compare
Quick view RVKN28520 - RG-2 Relay Valve Supply A: 1/2"Supply B: 1/2"Delivery C: 1/2"Delivery D: 1/2"Control Position: 90 DegreesPlugs Included: 1 @ 1/2"OEM Part Number: N30108BFDescription: A fast relay used to apply and release service brakes on tractor and trailer, Cracking pressure: 5.5... Compare
Quick view RVKN28510 - RG-2 Relay Valve Supply A: 1/2"Delivery C: 3/8"Delivery D: 3/8"Control Position: 90 DegreesPlugs Included: 1 @ 3/8"OEM Part Number: N30108AKDescription: A fast relay used to apply and release service brakes on tractor or trailer, Cracking Pressure: 5.6 +/- 1.0 PSI,... Compare
Quick view RVKN28500 - RG-2 Relay Valve Supply A: 3/8"Supply B: 3/8"Delivery C: 3/8"Delivery D: 3/8"Control Position: 90 DegreesPlugs Included: 1 @ 3/8"OEM Part Number: N30108BCDescription: A fast relay used to apply and release service brakes on tractor or trailer, Cracking Pressure: 5.6... Compare
Quick view RVKN28071 - Relay Valve W/Anti-Compounding Supply (2): 1/2"Delivery (2): 1/2"Control (2): 1/4" and 1/8"Crack Pressure: 4.0 ± 1 PSINotes: Bracket not includedOEM Part Number: N30100ADDescription: Cover may be rotated without affecting performance on warranty, Built-in anti-compounding... Compare
Quick view RVKN28061 - Relay Valve Supply (2): 1/2"Delivery (2): 1/2"Control (1): 3/8"Crack Pressure: 4.6 ± 1.5 PSIRepair Kit: RN10HKOEM Part Number: N30096LDescription: Cover may be rotated without affecting performance on warranty, Used to apply and release service brakes on... Compare
Quick view RVKN28060 - Relay Valve Supply (2): 1/2"Delivery (2): 3/8"Control (1): 3/8"Crack Pressure: 4.6 ± 1.5 PSIRepair Kit: RN10HKOEM Part Number: N30096F Cover may be rotated without affecting performance on warranty, Used to apply and release service brakes on tractor or... Compare
Quick view RVKN26010 - RT-4 Valve Trailer Supply (A): 3/8"Trailer Supply (B): PluggedTrailer Control: 3/8"Reservoir (A): 1/2"Reservoir (B): 3/8"Delivery (4): 3/8"PPV Closing Pressure: 70 PSIDescription: Meets all FMVSS-121 trailer requirements for a spring brake control and other... Compare