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Engine Water Temperature Sensor Mercruiser Review

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Revainrating 2 out of 5  
Rating 
2.0
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Description of Engine Water Temperature Sensor Mercruiser

★ New 3/8-18 thread temp sender compatible with marine engines such as Mercruiser omc volvo penta pcm Indmar & more!. ★ Fits all V6 V8 engines using a 3/8" water temp sender. ★ Compatible with mercury mercruiser 806490T 3853787. ★ Interchange Part Number # For Mercruiser 36525 97257 22-811091 97257A1 806490, for omc980613, for Sierra 18-5897, for Mallory 9-42400. ★ Package Include1 x Temperature sending unit sensor 12v.

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Type of review

Revainrating 2 out of 5

Difficult to install due to incorrect thread diameter

This temperature sensor works but is very difficult to install due to poor workmanship. NPT threads do not have the normal taper found on most American made tube fittings. The initial thread diameter is larger than it should be, making it very difficult to begin installation into the manifold initially. After 10 unsuccessful attempts I added more cone with emery cloth and sharpened the threads with an NPT die head. Also the hex diameter is not the same as the 3/4" wrench size of the OEM sensor…

Pros
  • ★ Compatible with Mercury Mercruiser 806490T 3853787.
Cons
  • Upgrades