Paccar 2277129 Fuel/Water Separator Filter – MX-11 / MX-13

Description The Paccar 2277129 filter is fuel/water separator designed for MX-11 and MX-13 engines. It protects the fuel system by removing dirt, debris, and water before they can cause damage to injectors or pumps. With reliable separation efficiency and strong construction, it helps extend engine life and reduce costly repairs. This filter is engineered by Paccar to match the exact specifications of Peterbilt and Kenworth trucks. In addition, it replaces several related part numbers, including Paccar 2164463PE and 1852006PE, making it a direct replacement across multiple applications. Its height measures 11.75 inches with a 4.25-inch diameter, ensuring a secure fit in original housings. The Paccar 2277129 filter is built to handle modern fuel types, including ultra-low sulfur diesel and biodiesel blends. Because of this, fleets can rely on consistent performance under demanding highway and off-highway conditions. The filter resists vibration and heat, ensuring stable performance even on long hauls. Drivers and fleet managers appreciate the long service life of this fuel/water separator. It helps reduce downtime, improves reliability, and ensures that the engine receives cleaner fuel. For example, cleaner injectors mean better fuel economy and smoother starts in all seasons. For detailed technical data, visit the Paccar official site. In conclusion, the Paccar 2277129 fuel/water separator filter delivers dependable quality, proven durability, and peace of mind for operators of MX-11 and MX-13 engines. By choosing genuine Paccar filtration, you safeguard your investment and keep your truck performing at its best.