Category SAE Standards

SAE J2899-2022 is a recommended practice that defines how air brake actuator rated stroke markings should be applied and interpreted. This standard covers S-CAM, wedge, and disc brake actuators where stroke can be measured without disassembly. Its primary purpose is…

SAE J2901-2019 is a recommended practice that defines the functional requirements for misfire generators used in both spark ignition and compression ignition engines. These devices are essential for demonstration, development, and calibration of engine control systems. The standard ensures consistency…

The SAE J2876-2022 recommended practice provides a standardized procedure for certifying knee slider assemblies on the Hybrid III 50th percentile male crash dummy under low-energy impacts. Developed to address the limitations of higher-speed tests that do not reflect typical low-speed…

The SAE J2879-2011 standard marks a significant advancement in the design and specification of 90-degree double inverted flare joints for automotive hydraulic brake tubes. Developed through collaboration among OEMs and component suppliers, this standard treats the tube flare, tube nut,…

Overview and Key Definitions The SAE J2848-1 recommended practice, reaffirmed in March 2023, provides essential guidelines for tire pressure monitoring systems (TPMS) designed for medium and heavy duty highway vehicles. As the standard notes, maintaining proper inflation pressure is critical…

Fuel dispenser nozzle spouts must meet precise dimensional requirements to ensure safe and efficient refueling across a growing variety of vehicles and fuels. SAE J285-2019, titled Dispenser Nozzle Spouts for Liquid Fuels Intended for Use with Spark Ignition and Compression…

Plug-in hybrid electric vehicles (PHEVs) combine a combustion engine with a rechargeable battery. To meaningfully compare fuel economy and energy use across different driving patterns, the industry relies on utility factors (UFs). SAE J2841 defines these curves and calculation methods…

SAE J2844-2013 establishes the purity and container requirements for R-1234yf (HFO-1234yf) refrigerant used in mobile air-conditioning systems. This standard ensures that new refrigerant meets strict quality limits and that containers are clearly identified to prevent misapplication and enhance safety. Compliance…

SAE J2847/2 is a surface vehicle standard that defines the digital communication messages and protocols between plug-in electric vehicles (EVs) and off-board DC chargers. Revised in September 2023, this standard extends beyond conventional DC charging to support bidirectional energy transfer…

Overview of SAE J2838 SAE J2838 is a recommended practice that outlines test procedures, performance requirements, design guidelines, and installation guidelines for full adaptive forward lighting systems (AFS) in motor vehicles. This standard is derived from United Nations Regulation No.…