Challenger Cleanable Oil Filters are precision-engineered as direct replacements for most aircraft piston engines—no special tools required. Built for performance, durability, and ease of maintenance, these filters deliver superior protection and long-term value for aircraft owners and operators.
Direct replacement fit for most aircraft piston engines
Medical-grade stainless steel mesh rated at 22 microns for exceptional filtration
Improved oil flow reduces friction and enhances engine efficiency
Removes more dirt, sludge, and contaminants than disposable filters
Ideal for high-performance, turbocharged, and aerobatic aircraft
Designed to perform under high-temperature operating conditions
Reusable and environmentally friendly — replace the filter element every 1,250 hours or 5 years
FAA/STC approved for certified aircraft
Easy to install — no special tools needed
Important Note:
Engines previously equipped with an oil screen must use a certified spin-on oil filter adapter to install this assembly.