OUR OFFICES ARE CLOSED TUESDAY, DECEMBER 24th THROUGH WEDNESDAY, JANUARY 1st FOR THE HOLIDAYS.
Orders received during this time will be processed when we resume normal business hours on Thursday, January 2nd.

Thank YOU for another great year and we are looking forward to keeping you on the water in 2025!
Merry Christmas, Happy New Year and God Bless YOU!

PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

Temperature Sender Water Temp PCM - Indmar - Some PCM GM 1/2 Inch NPT OEM R020003

$34.74 $38.43


OEM PCM Ford - GM & INDMAR Ford - GM R020003

Engine temperature sending unit sends signal to temperature gauge

1/2 in. NPT Single Station Temperature Sender

Not for LT1 - The LT1 uses Item R020002

  • Single station
  • 1/2 inch NPT thread size
  • 10-32 stud terminal
  • Works with US ohm scale temperature gauges
  • Original Crusader
  • Replaces Crusader 700427
  • Replaces Mercury 97258A1
  • Replaces Marine Power 456423
  • Replaces OMC 171960 and 3852029
  • Replaces Pleasurecraft R020003
  • Replaces Volvo 3852029
  • MARINE WATER TEMPERATURE SENDING UNIT
  • FITS MOST PCM 302
  • FITS ALL GT40 LOCATED IN CIRCULATION PUMP
  • FITS SOME MERCRUISER

Tapered threads are aprox. 7/8" in diameter

Nut is a 7/8" wrench size

Original Crusader

Exceptions Below:

  • PCM GT40 351 EFI uses Item #102506 located in circulation pump
  • Not used on 2007 & up PCM
  • Not for LT1 - The LT1 uses Item R020002