Description

When your cab’s A/C starts acting up—evaporator icing, poor cooling, or temperature swings without touching the controls—this little valve is often the culprit. Your expansion valve is the throttle for your refrigerant system, controlling exactly how much coolant flows to the evaporator. Too much flow and you get ice blocking airflow, too little and the compressor runs constantly but you still can’t get comfortable.

What You’re Getting

Compatible with both R12 and R134a refrigerants, so it works whether your tractor’s been converted or not
Block valve design provides precise refrigerant metering for consistent cooling performance
Direct replacement that fits a huge range of John Deere tractors from compact utilities to big row-crop machines
TISCO quality construction built to handle temperature extremes and constant cycling

Built for Real Farm Work

This expansion valve covers an impressive lineup of John Deere tractors, from the 5000N series compact tractors through 7000 series row-crop workhorses. Whether you’re running a loader, cultivating with a 6000 series, or pulling big implements with a 7700, this valve ensures your A/C keeps you comfortable when the temperature climbs. It also fits telescopic handlers that spend long hours loading and moving materials around the farm.

Made to Last

Farm equipment A/C systems take a beating from dust, vibration, and constant temperature changes. This expansion valve is built to handle it all, with internal components that resist contamination and maintain proper flow control even after thousands of hours of operation. The block valve design is more durable than traditional bulb-style valves.

Installation Notes

Always replace the receiver drier when changing the expansion valve to remove moisture and debris that could damage your new valve. Keep the system sealed during installation—any contamination will cause immediate failure. This is a direct bolt-in replacement, but A/C work requires proper evacuation and recharging with the correct refrigerant type.