{"product_id":"fuel-water-separator-kit-3-8-replaces-moeller-33320-10-sierra-18-7775-1-for-marine-gas-engines","title":"Sierra 18-7775-1 Fuel Water Separator Kit, 3\/8 Inch Aluminum Bracket, Replaces Moeller 33320-10","description":"\u003cp\u003eThe Sierra 18-7775-1 Fuel Water Separator Kit is a complete fuel filtration solution built to remove over 99.8% of emulsified water from gasoline before it reaches your engine. Designed to protect sensitive inboard, sterndrive, and outboard fuel injection systems, this kit supports a flow rate of 90 gallons per hour, keeping fuel delivery steady even under heavy demand.\u003c\/p\u003e\u003cp\u003eThe kit includes a universal-design, 3\/8 inch aluminum fuel water separator bracket (Sierra Part Number 18-7775) that is precision machined and powder coated for corrosion resistance and long-term durability. It pairs with a long, 4.35 inch tall fuel water separator filter (Sierra Part Number 18-7845) rated at 21 microns, plus two 3\/8 inch pipe plugs (Sierra Part Number 18-4264) for a complete, ready-to-install assembly.\u003c\/p\u003e\u003cp\u003eThis is a universal-fit kit suited to boat fuel systems, and it cross-references directly to Moeller 33320-10 and Mallory 9-37852, making it a straightforward replacement when those parts wear out or need upgrading. All components are covered under Sierra's Customer Satisfaction Warranty.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-7775-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fuel Water Separator Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracket Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracket Design:\u003c\/strong\u003e Universal, precision machined, powder coated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Length:\u003c\/strong\u003e 4.35 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Micron Rating:\u003c\/strong\u003e 21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Plug Thread Size:\u003c\/strong\u003e 3\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Plug Quantity:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e 90 gallons per hour (GPH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Removal Efficiency:\u003c\/strong\u003e Over 99.8% of emulsified water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.29 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Service Type:\u003c\/strong\u003e Boats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit Type:\u003c\/strong\u003e Universal fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Cross Reference:\u003c\/strong\u003e Mallory 9-37852, Moeller 33320-10\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThis is a universal-fit kit for boat fuel systems, suitable for inboard, sterndrive, and outboard fuel injection applications. Verify compatibility with your specific fuel system before ordering.\u003c\/p\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cp\u003eMallory 9-37852, Moeller 33320-10\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is included in the Sierra 18-7775-1 kit?\u003c\/strong\u003e The kit contains one 3\/8 inch aluminum fuel water separator bracket (Sierra Part Number 18-7775), one 4.35 inch tall fuel water separator filter (Sierra Part Number 18-7845), and two 3\/8 inch pipe plugs (Sierra Part Number 18-4264).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this kit fit outboard and sterndrive engines?\u003c\/strong\u003e Yes, the 18-7775-1 kit is a universal-fit fuel water separator designed for use on inboard, sterndrive, and outboard fuel injection systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM parts does the Sierra 18-7775-1 replace?\u003c\/strong\u003e It cross-references to Mallory 9-37852 and Moeller 33320-10, so it can be used as a direct replacement for either of those part numbers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much water can this filter remove from fuel?\u003c\/strong\u003e Over 99.8% of emulsified water is removed from gasoline by the filter included in the Sierra 18-7775-1 kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the flow rate of the Sierra 18-7775-1 fuel water separator?\u003c\/strong\u003e 90 gallons per hour is the rated flow, which is enough to feed high-demand fuel-injected marine engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat micron rating is the filter in this kit?\u003c\/strong\u003e The included fuel water separator filter (Sierra Part Number 18-7845) carries a 21 micron rating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the mounting bracket made from?\u003c\/strong\u003e The bracket (Sierra Part Number 18-7775) is precision-machined, powder-coated aluminum, chosen for corrosion resistance in marine environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-7775-1 kit weigh?\u003c\/strong\u003e The complete kit weighs 2.29 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-7775-1 covered by a warranty?\u003c\/strong\u003e Yes, this kit is covered under Sierra's Customer Satisfaction Warranty against defects in workmanship and materials.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-7775-1 bracket a universal design?\u003c\/strong\u003e Yes, the bracket included in this kit uses a universal design intended for broad compatibility across boat fuel systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many pipe plugs come with this kit and what size are they?\u003c\/strong\u003e Two 3\/8 inch pipe plugs (Sierra Part Number 18-4264) are included with the 18-7775-1 kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy should I install a fuel water separator like the 18-7775-1?\u003c\/strong\u003e This kit is recommended to prevent damage to sensitive inboard, sterndrive, and outboard fuel injection systems by filtering emulsified water out of the fuel before it reaches the engine.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988387737819,"sku":"SIE-18-7775-1","price":49.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/Untitled-1__57650.1753840682.500.750.jpg?v=1785189185","url":"https:\/\/www.goodvibesmarina.com\/products\/fuel-water-separator-kit-3-8-replaces-moeller-33320-10-sierra-18-7775-1-for-marine-gas-engines","provider":"Good Vibes Marina","version":"1.0","type":"link"}