Racor RK33801 Water-in-Fuel (WIF) Sensor Kit – Cummins ISC03/ISL03, 82.5K Ohm

Racor RK33801 is a genuine replacement water-in-fuel (WIF) sensor kit for Racor spin-on filter bowls with a 1/2"-20 SAE probe port. It detects water that collects in the bowl and sends a signal to the engine's control system, so the operator knows when to drain the water before it reaches the fuel system.

This kit is set up for Cummins ISC03 and ISL03 engines, with an 82.5K ohm internal resistor that matches the Cummins WIF circuit.

Product Details

• Racor part number: RK33801 (also listed as RK 33801)

• Product type: Water-in-fuel sensor kit (probe and harness)

• Sensor application: Cummins ISC03 / ISL03

• Internal resistor: 82.5K ohm

• Probe color: Blue

• Harness length: 6 in.

• Connector: None

• Voltage: 12–24V

• Probe port: 1/2"-20 SAE

• Material: Plastic

• Genuine Parker Racor replacement part

Fitment Notes

This is a sensor kit only. It does not include a bowl, drain, heater, filter element or mounting head.

Before ordering, make sure your bowl has a 1/2"-20 SAE probe port and your engine uses the Cummins ISC03/ISL03 WIF sensor. WIF sensors for other engines use different resistor values and won't read correctly on this system. Check your engine's requirements before choosing a replacement.

Application

Water in diesel fuel can damage injectors and fuel pumps, and cause corrosion. A WIF sensor warns you when water in the bowl reaches the probe, so you can drain it before it causes problems. Check and drain the bowl regularly, even with a working sensor.