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Product Details

These are the replacement elements, thread on style, for Sierra standard filter heads. Sierra High Performance series fuel water separator filters eliminate harmful contaminants as well as removing 99 percent of emulsified water. Sierra fuel filters are engineered for stern drive and inboard engines along with 2-cycle and 4-cycle outboard high and low pressure fuel systems.

Due to the rise of ethanol blended fuel the gasoline stored in the tank is prone to rapidly absorbing water and breakdown of fuel stability. Preventing water, dirt, and other contaminants from entering your engine's fuel system is key to maintaining a strong running and efficient engine. Poor fuel quality leads to knocking, rough running at low idle and fouled spark plugs. These pre-fuel filters mount easily in the fuel line between the tank and engine.

Tech Specs
Sierra Item no.DescriptionFilter SizeReplaces OEM Filters
SIE-7944Short - 3.875"10 MicronMercury 35-807172, 35-802893Q
SIE-7945Long - 4.35"10 MicronMercury 35-802893Q --- Yamaha ABB-FUELF-IL-TR
SIE-7866High Capacity - 6"10 MicronYamaha MAR-FUELF-IL-TR
SIE-7967V6 EFI 1995 - Earlier with sensor10 MicronMercury 35-18458Q3
SIE-7968V6 EFI 1996 - Up with sensor10 MicronMercury 35-18458Q4
SIE-7844Short - 3.875"21 MicronMercury 35-807172, 35-802893Q
SIE-7845Long - 4.35"21 MicronMercury 35-802893Q --- Yamaha ABB-FUELF-IL-TR
SIE-794610 MicronOMC 502905
SIE-784610 MicronOMC 502905
SIE-798910 MicronVolvo 3851218-2, 3852413 --- OMC 502906
SIE-778921 MicronVolvo 3851218-2, 3852413 --- OMC 502906

Reviews for Sierra Gasoline Fuel Water Separator Spin-On Filter Elements

3 of 3 Reviews

September 22, 2019

I would buy this product again
By Davo from Victorville Ca

Verified Purchase

Great for Gas


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March 30, 2012

Works for me.
By Innovative Cabinetry By KMC, Inc. from MD

I put about 90 hours on my boat every season. W/ an old 1989 Evinrude 150 hp outboad that seems to be happy w/ these filters. I change them only once every season.


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July 10, 2008

It's a Filter
By RockMan from Bonneau, SC

Item fit fine. Easy to pick out correct filter on this site. Thanks

Bottom Line Yes, I would recommend to a friend

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