Sierra Fuel Filter

Sierra 18-7846 21 Micron Fuel Water Separator Filter

Sierra high quality replacement Water Separating Fuel Filters are designed to be direct replacements of OEM filters. This fuel filter is specifically designed for the marine environment and today's ethanol blended fuels. Sierra canister fuel filters are epoxy coated to prevent corrosion inside the canister from reaching your fuel system. It is recommended to replace fuel filters every 50 hours of operation or at a minimum of once per year, preferably at winterization.

• 21 Micron Replacement Filter
• OMC Thread
• Thread Pitch: 1"-12

Interchangeable with:

• Crusader
• 98041
• EMP
• 35-37803
• GLM
• 24930
• Johnson/Evinrude Outboard
• 502905
• Mallory
• 9-37803

Sierra 18-7846 21 Micron Fuel Water Separator Filter FAQs

What is the micron rating of the Sierra 18-7846 fuel water separator filter?

The Sierra 18-7846 is a 21-micron replacement fuel water separator filter.

What thread pitch does the Sierra 18-7846 filter use?

The Sierra 18-7846 fuel water separator filter has a 1"-12 thread pitch.

Is the Sierra 18-7846 designed for marine fuel systems?

Yes, the Sierra 18-7846 fuel water separator filter is designed for the marine environment and today’s ethanol-blended fuels.

How often should I replace the Sierra 18-7846 fuel filter?

Replace the Sierra 18-7846 fuel filter every 50 hours of operation or at least once per year, preferably during winterization.

Does this fuel water separator filter have an epoxy coated canister?

Yes, Sierra canister fuel filters are epoxy coated to help prevent corrosion inside the canister from reaching the fuel system.

What part numbers interchange with Sierra 18-7846?

The Sierra 18-7846 fuel filter interchanges with Crusader 98041, EMP 35-37803, GLM 24930, Johnson/Evinrude 502905, and Mallory 9-37803.

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