Caterpillar 376-2578 Fuel Filter Kit

The Caterpillar 376-2578 fuel filter kit is engineered for CT13 and CT11 diesel engines operating in on-highway applications. This kit includes the primary filter element and necessary seals for service intervals. The filter media provides high efficiency contaminant removal to protect precision fuel system components including injectors and pumps. Designed to meet Caterpillar advanced high efficiency specifications for water separation and particle retention under heavy duty operating conditions. Constructed with a steel canister and cellulose/synthetic blend media, the cartridge features a 95 mm outer diameter and 174 mm height. The kit interfaces via M16 x 1.5 thread. It serves as direct replacement for Caterpillar OEM part numbers 376-2578 and 3762578. Cross references include Fleetguard FS19869, Baldwin PF7986, Donaldson P550821, and International 3004473C91.