GB/T 6789-1999
AbolishedM14×1.25 spark-plugs with conical seating and their cylinder head housing
M14×1.25锥座火花塞及其气缸盖安装孔
Application Summary AI generated
This standard specifies the dimensions, tolerances, and technical requirements for M14×1.25 spark plugs with conical seating and their corresponding cylinder head housing holes. It is applied in the automotive industry for the design, manufacturing, and quality inspection of spark plugs and engine cylinder heads in road vehicles. The standard ensures proper fit, sealing, and interchangeability between spark plugs and cylinder heads in internal combustion engines.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.