Amsoil Product Change Interval Guide

AMSOIL Products are made for extended use. AMSOIL synthetic motor oils and lubricants are formulated with top-quality basestocks and generous, top-quality additive packages to ensure long service life and superior engine and component protection. AMSOIL filters are constructed of rugged, top-quality materials -- over-built, in fact -- to guarantee long service life and superior engine protection. The following are the recommendations of AMSOIL INC. for product change intervals. Change intervals may vary according to the severity of individual applications. Regular component inspection and lubricant sampling should also be used to determine safe intervals.

AMSOIL Air and Oil Filter Recommended Change Intervals
Product Application	TS Air Filter	SDF Oil Filter	By-Pass Oil Filter
Personal Pleasure Vehicles	Normal service: 25,000 miles or 1 year Dusty Service: 12,500 miles or 6 months	12,500 miles or 6 months	Every other SDF oil filter change
Commercial Vehicles	Normal service: 25,000 miles or 1 year Dusty Service: 12,500 miles or 6 months	Use engine manufacturer's recommendations or 6 months	Every other SDF oil filter change

Product Application	Synthetic Gear Lubes	Automatic Transmission Fluid	Powershift Transmission Fluid	Hydraulic Oil	Compressor Oil	Propylene Glycol Antifreeze
Personal Pleasure Vehicles	Lifetime fill	Up to 3 times longer	N/A	N/A	N/A	Use equip. mfg.'s recommendations or test strips (G-1164, G-1165)
Commercial Vehicles	Use mfg.'s extended drain rec. or up to 5 times longer than mfg.'s normal drain rec.	Use mfg.'s extended drain rec. or up to 3 times longer than mfg.'s normal drain rec.	Up to 5 times longer in manual transmissions; up to 3 times longer in automatic transmissions	Use equip. or vehicle mfg.'s normal rec. or extend intervals with oil analysis	N/A	Use equip. mfg.'s recommendations or test strips (G-1164, G-1165)
Commercial Equipment	Use equip. mfg.'s extended drain rec. or up to 5 times longer than mfg.'s normal drain rec.	Use equip. mfg.'s extended drain rec. or up to 3 times longer than mfg.'s normal drain rec.	Up to 5 times longer in manual transmissions; up to 3 times longer in automatic transmissions	Use equip. mfg.'s rec. or extend intervals with oil analysis	Up to 8000+ hours with oil analysis	Use equip. mfg.'s recommendations or test strips (G-1164, G-1165)
Plant Equipment	Use Oil Analysis	N/A	N/A	Normal service: 25,000 miles or 1 year Dusty Service: 12,500 miles or 6 months	Up to 8000+ hours with oil analysis	Use equip. mfg.'s recommendations or test strips (G-1164, G-1165)