Is the water temperature sender broken on your Defender 90? Here is the replacement sending unit PRC2506. Fits 1994 and 1995 Defender 90 trucks.
Defender 90 Water Temperature Sender - PRC2506
Info needed: Water temperature sending unit - MLU FORUM
Water Temperature Sending Units
Water Temperature Sending Unit for Honda VT1100C Shadow Spirit 99
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New reproduction, Original GM part# 1513321
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Temperature Sending Unit, 1981-88 Malibu/Monte Carlo/El Camino, V8
All temperature gauges require a sending unit for correct and reliable operation. Senders are equipped with self sealing, tapered threads, and are
Water Temperature Sending Units