Sierra 18-7858 is an aftermarket replacement primary fuel filter element for Volvo Penta 3581078. It is used in CAV-type primary fuel filter and water-separator assemblies, including Volvo Penta 877766 and 877767 assemblies. The filter removes dirt and other contamination from the fuel before it reaches the engine fuel system.
This product is the replaceable filter element only. It is not a complete filter housing or water-separator assembly. Sierra 18-7858 has a 20-micron filtration rating and cross-references the CAV/Delphi 296 filter family.
Volvo Penta lists 3581078 for a broad range of marine engine applications. Sierra 18-7858 is the aftermarket replacement filter offered here for the Volvo Penta 3581078 application.
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
These part numbers and products are associated with the same filter application:
Is Sierra 18-7858 a replacement for Volvo Penta 3581078?
Yes. Sierra 18-7858 is an aftermarket replacement filter for the Volvo Penta 3581078 application.
Does this replace Volvo Penta 858201 or 858202?
Yes. Volvo Penta 3581078 supersedes earlier filter numbers 858201 and 858202.
Is Sierra 18-7858 a genuine Volvo Penta filter?
No. Sierra 18-7858 is manufactured by Sierra Marine as an aftermarket replacement. A genuine Volvo Penta 3581078 filter is also available from Boaters World.
Is this the complete CAV fuel filter assembly?
No. Sierra 18-7858 is the replaceable filter element. It does not include the filter head, water-separator bowl or complete housing assembly.
Does Sierra 18-7858 fit Volvo Penta 877766 and 877767 filter assemblies?
Yes. Volvo Penta identifies 3581078 as the replacement filter element used with the 877766 and 877767 primary fuel filter assemblies.
What is the filtration rating of Sierra 18-7858?
Sierra 18-7858 has a 20-micron filtration rating.
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