Fleece Performance Coolant Bypass Service Kit for 1994-2018 Cummins 5.9L/6.7L

Complete kit to service your Fleece Performance Coolant Bypass - Includes all O-rings, fasteners, and a new thermostat.

Features:

• Two thermostats included to service all production years, you will only use one (1) of the included thermostats when replacing your bypass thermostat.
• This kit does not include the Cummins thermostat.
• The kit includes 3 new square cut O-rings and 1 new standard O-ring as well as 2 new O-rings for each of AN fittings.
• When used with MY94 - MY2002 kits, not all O-rings will be utilized.