The Sierra International 18-7845 is presented as a compact, reliable fuel filter for personal watercraft, offering 90 GPH flow and 21-micron filtration, with two inlet/outlet lengths: 435 mm and 1,105 mm. It is noted for easy installation, secure fittings, and consistent performance, average rating 4.8/5. Key questions: Is it compatible with the specific engine fuel line? What maintenance interval suits heavy use? More practical details follow.
Key Takeaways
- Medium-duty replacement rated 21 microns, suitable for personal watercraft requiring moderate filtration.
- Delivers consistent 90 GPH flow, maintaining engine fuel supply without restriction.
- Compact plastic housing (4.35 in diameter) available in 435 mm or 1105 mm lengths for model fitment.
- Generally positive user feedback (average 4.8/5) citing straightforward fit for compatible Mercury and Yamaha models.
- Installation requires correct orientation, secure connections, and O-ring inspection to prevent leaks.
Key Specifications and Compatibility
A clear summary: the Sierra International 18-7845 is a medium-duty replacement fuel filter designed for personal watercraft, offering a 90 GPH flow rate and a 21-micron filtration rating.
The unit measures long — 435 or 1105 mm — with a 4.35 in diameter, weighs 0.16 oz, and uses plastic housing.
Compatibility: replaces Mercury 35-802893Q, Yamaha ABB-FUELF-IL-TR; fit type is vehicle specific.
Q: How often replace? A: Consider replacement frequency based on hours, fuel quality, and environment.
Installation tips: verify correct orientation, secure connections, inspect O-rings, and test for leaks before operation.
Performance and Customer Feedback
Performance observations for the Sierra International 18-7845 balance measurable filtration capability with strong user satisfaction: it delivers 90 GPH flow at 21-micron filtration, fits long configurations of 435 mm or 1105 mm, and uses a 4.35 in diameter plastic housing.
Objective reviews cite reliable performance metrics and favorable user experiences. How does it perform in service? Consistent flow, expected micron retention, and easy fitment for compatible models.
Objective reviews praise steady performance: consistent flow, true-to-spec micron retention, and straightforward fitment for compatible systems.
Considerations include material durability and installation access.
Key reported points:
- High flow rate maintained
- Effective 21-micron filtration
- Compact 4.35 in diameter
- Positive user ratings (4.8/5)
- Fit for specified lengths
Warranty, Returns, and Buying Considerations
One clear point for buyers to note is that warranty coverage and return options for the Sierra International 18-7845 are straightforward but require attention to source and timing.
The manufacturer’s warranty details are available on request; ask Teleflex Automotive for terms, coverage length, and claim process.
Amazon’s 30-day return policy applies, and does not affect legal withdrawal rights.
What to check before buying?
- Fit: 435 or 1105 mm length, 4.35 in diameter, 21 micron.
- Source: authorized seller, OEM references MERCURY 35-802893Q, YAMAHA ABB-FUELF-IL-TR.
How to document a claim? Keep receipt, ASIN B0009TO4FE, photos.
Frequently Asked Questions
Can I Install This Filter Myself Without Special Tools?
Yes. He can perform DIY installation; tool requirements are minimal — basic hand tools, clamps, and fuel-safe pliers suffice. Caution is advised: relieve fuel pressure, use safety gear, and follow vehicle-specific instructions or a mechanic if uncertain.
Is the Filter Reusable or Washable?
No; it is not reusable or washable. The respondent notes fuel filter maintenance requires replacement of this disposable element rather than cleaning. Reusable filters differ in design and are specified separately from disposable models.
Does It Come With Installation Instructions or Hardware?
No, it does not include installation instructions or hardware. The manufacturer expects users to follow typical installation process guidance from service manuals; compatibility details and OEM references help determine correct fit and necessary fittings.
Are There Known Issues With Ethanol-Blended Fuels?
Yes. Like a cautious lighthouse, reports note ethanol effects can degrade seals and reduce fuel stability; users should monitor for swelling, clogging, and shorter service life, and use ethanol-compatible additives or more frequent filter replacement schedules.
What Is the Recommended Replacement Interval in Hours?
The recommended replacement interval is typically every 100–200 operating hours; technicians note replacement recommendations vary by use and fuel quality. Filter lifespan often shortens with ethanol blends, heavy debris, or poor storage conditions, so inspect regularly.
Conclusion
The Sierra International 18-7845 offers dependable filtration: 21-micron media, 90 GPH flow, and two length options, 435 mm or 1105 mm, for direct fitment. Users report easy installation, secure connections, and consistent performance, with a 4.8/5 average rating. Is it right for the reader? Yes, if equipment specs match and space allows; check inlet/outlet diameters and mounting clearance. Like a pocket watch in a modern boat, it blends proven function with compact design.
