The document specifies the mounting and connection dimensions for spin-on fuel filters, with and without an inner sealing, to be used with diesel (compression-ignition) engines.
DIN ISO 7654:2002 history
2002DIN ISO 7654:2002-06 Road vehicles - Spin-on fuel filters for diesel engines - Mounting and connecting dimensions (ISO 7654:1998)
2002DIN ISO 7654:2002 Road vehicles - Spin-on fuel filters for diesel engines - Mounting and connecting dimensions (ISO 7654:1998)