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.

Knock Sensor GM 5.7 And 5.0L OEM Item PCM - Indmar R020027

$79.00 $84.95


Fits ALL GM 5.7L, 5.0L TBI, MPI 1994 up through 2005 Indmar and 2007 PCM

Engine sensor sends a signal to the ECM when abnormal ignition occurs.

  • 1/4 inch NPT thread size
  • Single wire plug-in
  • Replaces Crusader 48008
  • Replaces Indmar 556015
  • Replaces Quicksilver 806612T
  • Replaces Pleasurecraft R020027
  • Replaces Volvo 22024631

Not for 454 or 2006 & up Indmar post mount sensors

Not for 2008 & up PCM with post mount knock sensors -flat response

For Flat Response Sensor, order R020052 HERE