Description
Review this item in the context of the repair, installation access, nearby parts, and the result the completed job is intended to achieve.
The CAC-4221-3 On/ Off Pressure Switch with built in pressure relief unloader is a Furnas 69JF109403R Series Pressure Switch with a cut in preset pressure of 110 psi and a preset cut out pressure of 125 psi. . .This CAC-4221-3 Pressure switch comes standard with the improved unloader valve design as well as a standard plastic lever for manually turning the switch on and off. . . . The CAC-4221-3 Pressure Switch can be used to replace the following part numbers:. . CAC-4221-1 . . CAC-4221-2 . . .CAC-4221-3. . .Z-CAC-4221-1. . .Z-CAC-4221-2. . .CAC-478. . .CAC-478-1. . .Z-CAC-478-1
No structured vehicle fitment data is available. Compare the listing with the vehicle and existing part before ordering.
Repair scenarios, installation, companion parts, and use outcomes
Buying guidance
Quick decision
Review this air pressure in the context of the repair and the surrounding components.
Repair scenario
- Identify the symptom and confirm that this is the component required by the repair.
- Inspect nearby connectors, fasteners, and mating surfaces before installation.
Installation notes
- Use the listing instructions when present and follow the vehicle service procedure.
- Professional installation may be appropriate when the repair requires special tools or calibration.
Companion parts
- Inspect nearby fasteners, connectors, seals, fluids, and wear items before starting the repair.
- Use the service procedure and the visible package contents to identify any additional parts or tools required.
Before you buy
- Compare the listing title, photos, package contents, and specifications with the part being replaced.
- Confirm vehicle compatibility and installation requirements before ordering.
Customer feedback
Ratings and written reviews
4.2 / 5
7 source ratings
Source: Amazon. Imported marketplace feedback is shown for product research and is not a review of a purchase made on this website.
William R. Brown –
Better design than original. Same form shape. Electrical connections easy press-on.
Mike Oakley –
Pleased with transaction. Fast shipping, product as described.