6X Fuel Filter for Kenworth T800 T660 Truck Cummins ISX P557004 FS36401 WF10249

6X Fuel Filter for Kenworth T800 T660 Truck Cummins ISX

This set of 6 fuel filters for Kenworth T800 T660 Truck Cummins ISX provides six high-efficiency filtration units designed to remove contaminants and protect critical fuel system components in heavy-duty diesel engines. These fuel filters for Kenworth T800 T660 Truck Cummins ISX match OEM cross-reference numbers P557004, FS36401, and WF10249, ensuring reliable replacement performance.

Overview

These six fuel filters for Kenworth T800 T660 Truck Cummins ISX are aftermarket replacements that fit the fuel filtration system of Cummins ISX engines commonly found in Kenworth T800 and T660 trucks. Each filter captures dirt, rust, and debris before fuel reaches the injection system, helping maintain steady engine operation and prevent downtime. This six-pack offers a complete service set for fleet maintenance or multiple scheduled changes.

Built For Performance

• High-capacity filtration media captures fine particulate matter to protect injectors
• Threaded and gasket-sealed housing ensures a leak-free seal during installation
• Constructed with corrosion-resistant materials for long service life in harsh environments
• Engineered to meet or exceed OEM flow and filtration requirements
• Each filter is individually tested for structural integrity

Fits These Machines

• for Kenworth T800 with Cummins ISX engine
• for Kenworth T660 with Cummins ISX engine

On-The-Job Use

• Long-haul trucking routes requiring consistent fuel delivery
• Fleet maintenance intervals for regional or national carriers
• Heavy-load highway operations where fuel system reliability is critical
• Preventative maintenance programs for Cummins ISX powered trucks

Specs At A Glance

Good To Know

Q: How often should these fuel filters be replaced? A: Typical replacement intervals for diesel fuel filters range from 15,000 to 30,000 miles, but always follow the engine manufacturer's maintenance schedule and check the filter condition during routine service.

Q: Can this six-pack be used on a single truck multiple times? A: Yes, the six filters provide enough units for six changes or can be distributed across a small fleet, making this a practical bulk purchase for operators.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.