Engine Oil Full Flow Filter

The AMSOIL Super Duty Full Flow Filter offers superior filter life and filtration to that offered by conventional full flow oil filters. Its blend of cellulose, fiberglass and synthetic media and tight pleating optimize small particle capture, total particle capture, media durability and media capacity.

In fact, performance tests demonstrate the AMSOIL Super Duty Filter provides up to 100 percent more capacity than other leading filters, and that increases filter life.

The AMSOIL Super Duty Filter also features an oil pressure relief valve, to ensure continuous oil flow; a heavy-duty drawn case with a drawn steel double-crimp base and rolled under seaming for filter body strength; and an anti-drain back valve to keep dirty oil in the filter when the engine is not running.

AMSOIL SDF Oil Filters

Full-flow filters install directly into the line of oil circulation.  The full flow of oil passes through the filter as the oil journeys between the oil pump and engine.  A full flow filter must be capable of removing and holding contaminants without obstructing oil flow to the engine.

Most conventional filters on the market use a thin layer of porous filter paper as their filtration media, which compromises their ability to catch fine particles.  In addition, these filters have almost no extended cleaning ability since their media have a low capacity for storing dirt.

Because of their limited filtering area, most conventional paper filters display good flow characteristics but are restricted in their capacity and longevity.  They become obstructed relatively quickly, opening the relief valve and allowing unfiltered oil into the engine.  Their lightweight construction also makes them susceptible to degradation.

AMSOIL SDF Filters Work Better - Longer!

AMSOIL Super Duty Filters (SDF) feature an advanced fiber media offering the ready flow of oil hard-working engines demand with superior capacity, efficiency and service life to that offered by conventional paper oil filters.  In fact, SDF has over  a 75 percent better combined efficiency/capacity rating than other popular oil filters as tested according to the Society of Automotive Engineers industrial standards.