Category SAE Standards

SAE J1922 is a recommended practice that defines a communication interface for electronic powertrain controls in medium- and heavy-duty diesel on-highway vehicles. Originally issued in 1989, it enabled serial communication between engine and transmission ECUs. However, with the advent of…

SAE J1926-1-2023 is a key standard for fluid power and general-use connections that rely on inch threads (ASME B1.1) and O-ring sealing in a truncated housing. It defines the dimensional and performance requirements for threaded ports used with adjustable and…

1. Overview and Scope SAE J1926 (issued August 15, 1988) establishes the dimensional specifications for straight thread O-ring (STO) bosses used in hydraulic port connections. The standard covers a wide range of sizes—from 3/16 in to 2 in nominal tube…

Remanufacturing manual transmission clutch assemblies requires strict adherence to proven procedures to ensure safety, performance, and reliability. SAE J1915-2017 provides comprehensive guidelines for rebuilders, covering everything from disassembly to final inspection. This article highlights the key requirements of the standard,…

SAE J1918-2021 is a stabilized recommended practice that provides standardized methods for measuring the expansion and water absorption of automotive sealers. This guide outlines three expansion measurement techniques—gravimetric, volumetric, and vertical—and two water absorption tests for intact and cut films.…

Proper electrical grounding is critical to the safety, performance, and reliability of surface vehicle electrical systems. The SAE J1908 standard, stabilized in 2013, provides mature guidelines for grounding design, installation, and maintenance. This article summarizes key practices from the standard,…

This article covers the essential aspects of SAE J191-2014, a stabilized standard for low volumetric expansion power steering pressure hoses used in automotive applications. The standard specifies materials, construction, dimensions, and rigorous testing procedures to ensure reliability across a wide…

Overview of SAE J1911 SAE J1911 is a recommended practice that outlines a standardized test procedure for determining the air reservoir capacity in truck and bus braking systems. Stabilized in July 2022, this standard reflects mature technology that is not…

Overview and Scope This SAE Recommended Practice defines a universal bond test fixture and procedure for the quantitative evaluation of bond strength in elastomeric seals and precision bonded rubber parts. Developed by the Rubber Manufacturers Association (RMA) and adopted by…

SAE J1903:2024 establishes recommended practices for manual primary control systems adapted for drivers with physical disabilities. These mechanical and hybrid (electrical/mechanical) devices are installed within the occupant space of passenger vehicles to replace or supplement OEM controls such as pedals,…