One New Aftermarket Replacement Engine Block Heater

Fits John Deere Tractor Models: 4000, 4020, 4040, 4230, 4240, 4320, 4430, 4440, 4520, 4620, 4630, 4640, 4840, 5020, 6030, 7020, 7520, 8430, 8440, 8630, 8640

Fits JD Combine Models: 6620, 7700, 7720, 8820

For 400 and 500 series engines.

Tech Info:
Engine coolant heater 12″ cord.
1000 watt, 120 volt.
Fits 2″ diameter smooth bore core hole.

Replaces Part Number: AR50518, 860-2050, 8602050, TPAR50518