International Organization for Standardization (ISO)
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ISO 7654:1998
Scope
This international Standard specifies the mounting and connecting dimensions for spin-on fuel filters, with and without an inner sealing, to be used with diesel (compression-ignition) engines.
The preferred design of spin-on fuel filters are those without an inner sealing, and they are specified in clause 2.
The alternative filter design is specified in annex A and should be used if an inner sealing is required.
The corresponding filter heads are specified in ISO 7310, ISO 7311 and ISO 7577 (see annex B).
ISO 7654:1998 history
1998ISO 7654:1998 Road vehicles - Spin-on fuel filters for diesel engines - Mounting and connecting dimensions
1991ISO 7654:1991 Road vehicles; spin-on fuel filters for compression-ignition engines; mounting and connecting dimensions