{"product_id":"water-pump-housing-kit-for-mercruiser-alpha-i-mr-sterndrives-replaces-18-3517","title":"Engineered Marine Products Water Pump Kit with Housing 46-00090, Replaces Mercury Quicksilver 18-3517 for MerCruiser MR\/Alpha One","description":"\u003cp\u003eThis water pump kit with housing from Engineered Marine Products is a complete replacement assembly built to restore reliable cooling system performance on applicable MerCruiser sterndrives. The kit includes an impeller service kit along with a molded plastic pump housing, giving installers the core components needed to rebuild the water pump in a single purchase rather than sourcing the housing and impeller separately. Engineered Marine Products manufactures the kit to OEM standards, positioning it as a direct aftermarket equivalent to the Mercury Quicksilver 18-3517 water pump housing used across a range of MerCruiser MR and Alpha One configurations.\u003c\/p\u003e\u003cp\u003eThe housing is made of plastic for corrosion resistance in the raw-water cooling circuit, and the kit ships as a single unit (Number of Items: 1) backed by a 1 year manufacturer warranty. It is intended for boat owners and marine technicians performing routine water pump maintenance or replacing a worn or cracked housing to prevent overheating.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Engineered Marine Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 46-00090\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Pump Kit with Housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e Impeller Service Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Items:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.71 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 840080467931\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 year manufacturer warranty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces (OEM):\u003c\/strong\u003e 18-3517\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMerCruiser MR, serial numbers 2495186-2763441\u003c\/li\u003e\n\u003cli\u003eMerCruiser MR, units without a flush screw in the gear housing, serial numbers 2763442-6854392\u003c\/li\u003e\n\u003cli\u003eMerCruiser MR\/Alpha One, serial numbers 6854393-0D594568\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e18-3517\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the 46-00090 water pump kit include?\u003c\/strong\u003e The kit includes a plastic pump housing along with an impeller service kit, giving you the core parts needed to rebuild a MerCruiser water pump in one purchase.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs 46-00090 a direct replacement for the Mercury Quicksilver 18-3517?\u003c\/strong\u003e Yes, this Engineered Marine Products kit replaces Mercury Quicksilver part number 18-3517.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the housing made of?\u003c\/strong\u003e The pump housing in kit 46-00090 is made of plastic.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does this water pump kit weigh?\u003c\/strong\u003e The Engineered Marine Products 46-00090 water pump kit weighs 0.71 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich MerCruiser models does 46-00090 fit?\u003c\/strong\u003e It fits MerCruiser MR units in the serial number range 2495186-2763441, MR units without a flush screw in the gear housing in the range 2763442-6854392, and MR\/Alpha One units in the range 6854393-0D594568.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this an OEM or aftermarket part?\u003c\/strong\u003e The 46-00090 kit is an aftermarket part manufactured by Engineered Marine Products, engineered to OEM standards as a replacement for Mercury Quicksilver 18-3517.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the kit come with a warranty?\u003c\/strong\u003e Yes, Engineered Marine Products backs the 46-00090 water pump kit with a 1 year manufacturer warranty.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many pieces come in the box?\u003c\/strong\u003e The 46-00090 kit ships as a single item that contains the housing and the impeller service kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need to replace the housing every time I service my water pump?\u003c\/strong\u003e This depends on the condition of your existing housing, but kit 46-00090 provides a new plastic housing along with the impeller service kit so both can be replaced together.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the OEM cross-reference number for this part?\u003c\/strong\u003e Part 46-00090 replaces Mercury Quicksilver number 18-3517.\u003c\/p\u003e","brand":"EMP","offers":[{"title":"Default Title","offer_id":48991289540827,"sku":"EMP-46-00090","price":46.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/EMP-46-00090-Mercury-MerCruiser-Water-Pump-Kit-with-Housing__15461.1722498483.500.750.jpg?v=1785188957","url":"https:\/\/www.goodvibesmarina.com\/products\/water-pump-housing-kit-for-mercruiser-alpha-i-mr-sterndrives-replaces-18-3517","provider":"Good Vibes Marina","version":"1.0","type":"link"}