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API (American Petroleum Institute) is a leader in the development of petroleum and petrochemical equipment and operating standards covering topics that range from drill bits to environmental protection. These embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. Many have been incorporated into state and federal regulations and adopted by ISO for worldwide acceptance.
Motor Oil Guide
Standard published on 1.9.1996
Selected format:API Motor Oil Shelf Card
Standard published on 25.9.2003
Selected format:Lubricant Service Designations for Automotive Manual Transmissions, Manual Transaxles and Axles
Standard published on 1.7.1995
Selected format:Diesel Fuel Questions and Answers for Highway and Off-Highway Use
Standard published on 1.1.1996
Selected format:Specifications and Qualification Procedures for Aviation Jet Fuel Filter/Separators (API/IP 1581)
Standard published on 1.7.2002
Selected format:Four-Inch Hydrant System Components and Arrangements
Standard published on 1.12.1994
Selected format:Specifications and Qualification Procedures for Aviation Fuel Microfilters
Standard published on 1.4.2002
Selected format:Gasoline Marketing in the United States Today
Standard published on 1.5.1992
Selected format:Design, Construction, Operation, Maintenance, and Inspection of Aviation Pre-Airfield Storage Terminals, 2nd Edition
Standard published on 1.10.2012
Selected format:Laboratory tests and minimum performance levels for aviation fuel dirt defence filters
Standard published on 1.3.2007
Selected format:Latest update: 2026-03-18 (Number of items: 2 266 854)
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