S4721707977 | Genuine Wabco® Air Brake Relay Valve Kit

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Description

S4721707977 | Genuine Wabco® Air Brake Relay Valve KitDescription: Air Brake Relay Valve Kit Condition: New Brand: Wabco Part Number: S4721707977 Weight: 5 lbs Fit for: Kenworth, Peterbilt Functions: Emergency braking: In the event of a loss of air pressure, the kit is designed to activate an emergency braking system. Parking brake: The kit may also be used to control the parking brake, which is applied to hold the vehicle in place when parked. Pressure control: The relay valve regulates the air pressure

Sleeper HVAC (ParkSmart/NITE)

Part Number: 3867

Replacement Parts Numbers: 4008600000

Emission Compliance: Supports compliance with EPA and CARB standards for diesel exhaust systems

Part Number: 5398557RX

Part Number: 5256607nx

Part Number: R417001080

7 G CM2180 B118

Air-engaged and spring disengaged for precise cooling

Description: Engine Brake Control ValveCondition: NewBrand: VolvoPart Number: 20892740

Oil Type: PAG46

Continuous or irregular clicking can mean the internal circuitry is arcing or shorting