{"product_id":"sierra-18-7789-fuel-filter-21-micron-interchangeable-with-evinrude-johnson-and-volvo-penta","title":"Sierra 18-7789 Fuel Filter – 21 Micron, Interchangeable with Evinrude\/Johnson and Volvo Penta","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Sierra 18-7789 Fuel Filter delivers reliable filtration for marine fuel systems. Designed as a versatile drop-in replacement, it aligns with a range of popular OEM part numbers and fits many Evinrude, Johnson, and Volvo Penta installations. The filter is rated at 21 microns, a balance that captures contaminants while maintaining steady fuel flow.\u003c\/p\u003e\n\u003ch2\u003eInterchangeability and compatibility\u003c\/h2\u003e\n\u003cp\u003eEngineers designed the Sierra 18-7789 to partner with established OEM components. It is interchangeable with Evinrude\/Johnson parts 502906 and 5009676, as well as Volvo Penta parts 3852413, 3862228, and 3851218-2. This broad compatibility helps simplify parts planning for mixed-brand boats and reduces inventory needs.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e21-micron filtration to help keep fuel clean and protect fuel delivery components.\u003c\/li\u003e\n\u003cli\u003eDrop-in replacement that preserves original system fit and connections.\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds the specified performance of the OEM parts it replaces.\u003c\/li\u003e\n\u003cli\u003eWide interoperability across popular marine brands, lowering parts clutter.\u003c\/li\u003e\n\u003cli\u003eDurable construction suited for demanding marine use and environmental exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-life use cases\u003c\/h3\u003e\n\u003cp\u003eWhether you’re preparing for a weekend cruise, fishing trip, or seasonal storage, a reliable fuel filter can contribute to smooth starts and steady engine operation. The Sierra 18-7789 offers consistent filtration in salt and fresh water environments and helps reduce the risk of clogged lines caused by common contaminants found in stored fuel.\u003c\/p\u003e\n\u003ch3\u003eWhat to expect after installation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eImproved fuel quality through finer filtration without sacrificing flow.\u003c\/li\u003e\n\u003cli\u003eQuick, straightforward replacement with standard fittings.\u003c\/li\u003e\n\u003cli\u003eBetter peace of mind from OEM-like performance in a widely compatible filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction and durability\u003c\/h3\u003e\n\u003cp\u003eBuilt to withstand the rigors of marine use, the Sierra 18-7789 employs robust filtration media designed for steady performance across temperature and vibration. Its 21-micron rating offers a practical balance between debris capture and reliable fuel flow, helping support consistent engine operation on longer trips.\u003c\/p\u003e\n\u003ch3\u003eMaintenance and care tips\u003c\/h3\u003e\n\u003cp\u003eSchedule routine checks as part of regular service intervals. When replacing, ensure proper sealing and compatible fittings. Dispose of used filters per local regulations and store spare units in a cool, dry place for ready maintenance.\u003c\/p\u003e\n\u003cp\u003eNote: Always follow your engine manufacturer’s guidelines for fuel system maintenance. This filter is intended as a compatible replacement that aligns with established OEM part numbers and performance targets.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the Sierra 18-7789 Fuel Filter compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Sierra 18-7789 fuel filter is compatible with Evinrude\/Johnson parts 502906 and 5009676, and Volvo Penta parts 3852413, 3862228, and 3851218-2.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the 21-micron rating affect filtration?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 21-micron rating indicates fine filtration of contaminants in marine fuel, helping reduce debris in the line without restricting fuel flow.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":42465375322197,"sku":"B000N9MTW0","price":28.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/sierra-18-7789-fuel-filter-closeup.jpg?v=1778005619","url":"https:\/\/plentytorque.co.uk\/products\/sierra-18-7789-fuel-filter-21-micron-interchangeable-with-evinrude-johnson-and-volvo-penta","provider":"PlentyTorque","version":"1.0","type":"link"}