18-7802 Fuel Filter Element
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SIERRA18-7802 Fuel Filter Element


In stock online.
Model # 10504934 | Mfg # 18-7802UPC # 808282240950
18-7802 Fuel Filter Element


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18-7802 Fuel Filter Element

Name Value
Type Fuel Filters

Product Overview

Replacement element for under cowl fuel filters many Mercury/Mariner outboards.

Removing fuel contaminates will protect sensitive engine parts and keep your outboard running in top shape. Sierra's fuel filter elements deliver effective filtration while maintaining fuel flow. These compact filters are designed as the last filtration point in the fuel line and can be easily installed in the filter housing under the cowl of Mercury/ Mariner outboards.

Key Features

  • Meets or exceeds manufacturer’s specifications for filtration and fuel flow
  • Compatible with Mercury/ Mariner outboards
  • Includes O-ring to restore filter housing seal
  • Compact design for under cowl filter housing installations
  • Provides 149 micron filtration

18-7802 Application Guide

ApplicationOEM Part Number
Mercury Marine35-87946Q4, 35-87946Q3, 35-87946A3

The Sierra Engine Parts Selector

In addition to fuel filter elements, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.


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