
Replacement O-ring Kit for all Fleece Cummins Coolant Bypass Kits includes 3 new square cut O-rings, 1 new standard O-ring, and 2 new AN fitting O-rings. When used with MY94 - MY2002 kits, not all O-rings will be utilized.
Application: 1994-2018 Dodge 2500-3500 Cummins 5.9/6.7L