Sierra 18-7857-1 Inline Fuel Filter, 3/8" Universal
- Brand:
- Sierra
- Part no:
- 18-7857-1
Image: Fisheries Supply
Where to buy
View on Amazonpaid link
A Sierra inline fuel filter sized for 3/8 in. fuel line. It is sold as a replacement filter and carries a universal fit for that line size. Sierra cross-references it to the plastic Fram G15 and G3 filters, which gives you a way to check it against what is already on the engine before you swap it in.
Our take
The 3/8 in. line size is the number to check first, since this Sierra filter is a replacement made for 3/8 in. fuel line. Its cross-reference to the plastic Fram G15 and G3 lets you match it to an existing filter.
From our buying guide
Parker lists Racor's marine Turbine Series for diesel and biodiesel engines, and Racor says gasoline filters in an enclosed location should use a metal bowl. A micron rating means little without its efficiency.
Check before you buy:
- The efficiency is stated with the micron size. Racor labels its finest element 2 micron and rates it at 98% at 4 microns.
- You know your engine's change interval, since intervals are per model.
- You can fit it on the suction side of the fuel transfer pump, where Racor says to install its 900MA and 1000MA, since pumps emulsify water.