American Petroleum Institute Gasoline Engine Oil Service Classifications
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American Petroleum Institute Gasoline Engine Oil Service Classifications
American Petroleum Institute Gasoline Engine Oil Service Classifications | ||
Category | Status | Service |
SN | Current | Introduced in October 2010 for 2011 and older vehicles, designed to provide improved high temperature deposit protection for pistons, more stringent sludge control, and seal compatibility. API SN with Resource Conserving matches ILSAC GF-5 by combining API SN performance with improved fuel economy, turbocharger protection, emission control system compatibility, and protection of engines operating on ethanol-containing fuels up to E85. |
SM | Current | For 2010 and older automotive engines. |
SL | Current | For 2004 and older automotive engines. |
SJ | Current | For 2001 and older automotive engines. |
SH | Obsolete | |
SG | Obsolete | |
SF | Obsolete | |
SE | Obsolete | CAUTION - Not suitable for use in gasoline-powered automobile engines built after 1979. |
SD | Obsolete | CAUTION - Not suitable for use in gasoline-powered automobile engines built after 1971. Use in more modern engines may cause unsatisfactory performance or equipment harm. |
SC | Obsolete | CAUTION - Not suitable for use in gasoline-powered automobile engines built after 1967. Use in more modern engines may cause unsatisfactory performance or equipment harm. |
SB | Obsolete | CAUTION - Not suitable for use in gasoline-powered automobile engines built after 1951. Use in more modern engines may cause unsatisfactory performance or equipment harm. |
SA | Obsolete | CAUTION - Not suitable for use in gasoline-powered automobile engines built after 1930. Use in |
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