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.

HOLIDAY HOURS-
WE WILL BE CLOSED ON FRIDAY, APRIL 18th IN CELEBRATION OF RESURRECTION DAY WEEKEND. WE WILL RESUME NORMAL BUSINESS HOURS ON MONDAY, APRIL 21st.
ORDERS PLACED ON FRIDAY, APRIL 18th AND THIS WEEKEND WILL BE PROCESSED ON MONDAY APRIL 21st.

HAVE A GREAT TIME ON THE WATER AND HAPPY RESURRECTION DAY WEEKEND!

Thermostat Kit Mercruiser 160 Degree EFI Complete Service Kit 18-3648

$27.00 $32.99


160 Degree Thermostat Kit EFI Includes BOTH Gaskets

Mercruiser raw water cooled marine engines

New Style housing used with EFI engines 1994 and up

  • EFI and more...
  • Fits various model Mercruiser GM V-8 small block engines
  • Fits both 3 point and 7 point drain systems
  • Kit includes 160 degree thermostat and gaskets
  • Replaces Mallory 9-43100
  • New Style Housing used with EFI engines 1994 and up
  • This housing does not have the removable top cap and is a one piece cast iron housing
  • Mercruiser Thermostat # 867252T2 160 degree

If you use an automotive style it will cause the engine to run very cool on the gauge but your exhaust manifold's will be very hot!