18-7853-1 Fuel Filter/Water Separator Bracket 1/4" Thread Aluminum
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SIERRA18-7853-1 Fuel Filter/Water Separator Bracket 1/4" Thread Aluminum


In stock online.
Model # 10475929 | Mfg # 18-7853-1UPC # 808282236748


18-7853-1 Fuel Filter/Water Separator Bracket 1/4" Thread Aluminum

Name Value
Type Fuel System Parts

Product Overview

Aluminum filter head for Mercury and Yamaha applications

For 50 years Sierra has been producing parts engineered to meet or exceed the specifications of marine engine manufacturers and has gained the confidence of engine manufacturers and boat builders to a point of supplying them with OEM parts. Boaters and techs can be assured a Sierra part will fit right the first time and restore function to OEM standards

This filter mounting bracket provides a solid foundation to mount fuel filter/water separators for Mercury and Yamaha applications. Its coated cast aluminum construction stands up to the marine environment and features two IN ports and two OUT ports with 1/4" threads. Pre-drilled mounting holes are coated to maintain corrosion resistance.

Key Features

  • Coated cast aluminum provides corrosion and fuel resistance
  • Four 1/4" threaded ports
  • Backed by SeaStar Solutions Two-Year Limited Warranty


  • Port Size: 1/4"

The Sierra Engine Parts Selector

In addition to filter heads, 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.

ApplicationsOEM Part Number
Mercruiser Stern Drive89876A3, 89876, 55481
Yamaha OutboardMAR-FLTHD-AL-12


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