The Sierra 18-7948 fuel water separator filter is a 10 micron spin-on replacement filter designed to remove water and harmful contaminants from marine petrol fuel systems. Commonly used as a replacement for PCM R080020 and Racor S3227 fuel filters, the Sierra 18-7948 provides reliable filtration performance while maintaining fuel flow to protect carburettors, fuel pumps and fuel injection components.
Designed for demanding marine environments, this fuel filter helps reduce water contamination and particulate matter before it reaches critical engine components, improving fuel system reliability and helping extend engine life.
Suitable for early 1990s PCM engines fitted with spin-on fuel filters and many marine fuel systems using compatible Racor-style fuel water separator assemblies. Always compare your existing filter, thread size and part number before ordering.
What does the Sierra 18-7948 replace?
The Sierra 18-7948 replaces PCM R080020, Racor S3227, Racor S3228TUL, Honda 17670-ZW1-801AH, Mercury 35-886638, Mercury 35-8M0103096 and other compatible marine fuel filters.
What micron rating is this fuel filter?
The Sierra 18-7948 is a 10 micron fuel water separator filter designed for marine fuel systems.
Will this fit my PCM engine?
This filter is commonly used on early 1990s PCM engines fitted with spin-on fuel filters. Always confirm your existing part number before ordering.
Is this a fuel water separator filter?
Yes. The Sierra 18-7948 is designed to remove water and contaminants from marine petrol fuel systems.
The Sierra 18-7948 fuel water separator filter provides dependable fuel filtration performance and helps protect marine fuel systems from water contamination and harmful debris.
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