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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.
| Sierra Item no. | Description | Filter Size | Replaces OEM Filters |
|---|---|---|---|
| SIE-7944 | Short - 3.875" | 10 Micron | Mercury 35-807172, 35-802893Q |
| SIE-7945 | Long - 4.35" | 10 Micron | Mercury 35-802893Q --- Yamaha ABB-FUELF-IL-TR |
| SIE-7866 | High Capacity - 6" | 10 Micron | Yamaha MAR-FUELF-IL-TR |
| SIE-7967 | V6 EFI 1995 - Earlier with sensor | 10 Micron | Mercury 35-18458Q3 |
| SIE-7968 | V6 EFI 1996 - Up with sensor | 10 Micron | Mercury 35-18458Q4 |
| SIE-7844 | Short - 3.875" | 21 Micron | Mercury 35-807172, 35-802893Q |
| SIE-7845 | Long - 4.35" | 21 Micron | Mercury 35-802893Q --- Yamaha ABB-FUELF-IL-TR |
| SIE-7946 | 10 Micron | OMC 502905 | |
| SIE-7846 | 10 Micron | OMC 502905 | |
| SIE-7989 | 10 Micron | Volvo 3851218-2, 3852413 --- OMC 502906 | |
| SIE-7789 | 21 Micron | Volvo 3851218-2, 3852413 --- OMC 502906 |
Reviews for Sierra Gasoline Fuel Water Separator Spin-On Filter Elements
September 22, 2019
Verified Purchase
Great for Gas
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March 30, 2012
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
Item fit fine. Easy to pick out correct filter on this site. Thanks
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