{"product_id":"bcbc-mwp-521-engine-water-pump","title":"BCBC MWP-521 Engine Water Pump","description":"\u003ch2\u003eEngine Water Pump Overview\u003c\/h2\u003e\u003cp\u003eThe Melling MWP-521 engine water pump is a standard replacement part built for heavy-duty cooling system service. It is engineered with a cast iron housing, plastic impeller, and serpentine belt drive to match the stock application requirements across a wide range of commercial vehicles and medium-duty trucks.\u003c\/p\u003e\u003cp\u003eFits 2003-2020 Gillig Low Floor, N\/A. Fits 2014-2020 International 4300, N\/A. Fits 2018-2020 International 4700, N\/A. Fits 2019-2020 International MV607, N\/A. Fits 2016-2020 Kalmar Ottawa T2, N\/A. Fits 2020 Kenworth T370, N\/A. Fits 2020 Temsa Bus TS30, N\/A. Fits 2017 Temsa Bus TS30, N\/A. Fits 2012-2015 Temsa Bus TS30, N\/A. Fits 2016-2020 Thomas Saf-T-Liner, N\/A. Fits 2003-2005 Thomas Saf-T-Liner, N\/A. Fits 2017-2020 Thomas Transit Liner, N\/A. Fits 2003-2005 Thomas Transit Liner, N\/A. Fits 2014-2019 Autocar LLC. Xpert, N\/A. Fits 2012 Autocar LLC. Xpert, N\/A. Fits 2010-2019 Autocar LLC. Xspotter Off Road, N\/A. Fits 2011-2019 Autocar LLC. Xspotter On Road, N\/A. Fits 2008-2019 Blue Bird All American FE, N\/A. Fits 1998-2005 Blue Bird All American FE, N\/A. Fits 2008-2019 Blue Bird All American RE, N\/A. Fits 1999-2004 Blue Bird All American RE, N\/A. Fits 2008-2019 Blue Bird Vision School Bus, N\/A. Fits 2016-2019 Capacity Of Texas Sabre 5, N\/A. Fits 2011-2019 Capacity Of Texas TJ5000, N\/A. Fits 2011-2019 Capacity Of Texas TJ6500, N\/A. Fits 2016-2019 Capacity Of Texas TJ9000, N\/A. Fits 2014 Capacity Of Texas TJ9000, N\/A. Fits 2011 Capacity Of Texas TJ9000, N\/A. Fits 2006-2019 El Dorado E-Z Rider II Max, N\/A. Fits 2012-2019 Freightliner 108SD, N\/A. Fits 2008-2019 Freightliner B2, N\/A. Fits 2007-2019 Freightliner M2 106, N\/A. Fits 1995-2019 Freightliner MB Line, N\/A. Fits 2005-2019 Freightliner MC Line, N\/A. Fits 2001 Freightliner MC Line, N\/A. Fits 1998-2019 Freightliner MT45, N\/A. Fits 1999-2019 Freightliner MT55, N\/A. Fits 2013-2019 Freightliner S2C, N\/A. Fits 2018-2019 Freightliner S2RV, N\/A. Fits 2005-2019 Freightliner XB Straight Rail, N\/A. Fits 2018-2019 Freightliner XBA, N\/A. Fits 2015-2016 Freightliner XBA, N\/A. Fits 2008-2019 Freightliner XC Modular Rail, N\/A. Fits 2005-2019 Freightliner XC Raised Rail, N\/A. Fits 2005-2019 Freightliner XC Straight Rail, N\/A. Fits 2001-2003 Freightliner XC Straight Rail, N\/A. Fits 2016-2019 International 4300LP, N\/A. Fits 2016-2019 International 7300, N\/A. Fits 2016-2018 IC Corporation 1300 FBC, N\/A. Fits 2015-2018 IC Corporation CE Commercial, N\/A. Fits 2015-2018 IC Corporation CE School Bus, N\/A. Fits 2016-2018 IC Corporation HC Integrated Commercial, N\/A. Fits 2017 Blue Bird SHL All American, N\/A. Fits 2011-2017 Freightliner XC Lowered Rail, N\/A. Fits 2015-2017 New Flyer Xcelsior, N\/A. Fits 2013-2017 Spartan Motors School Bus, N\/A. Fits 2012-2015 Freightliner XB Line, N\/A. Fits 2009 Freightliner XB Line, N\/A. Fits 1995-2005 Freightliner XB Line, N\/A. Fits 2013-2014 Capacity Of Texas TJ7000, N\/A. Fits 2011 Capacity Of Texas TJ7000, N\/A. Fits 2014 Freightliner MCL, N\/A. Fits 2011 Freightliner MCL, N\/A. Fits 2000-2013 Ford F-650, N\/A. Fits 2000-2013 Ford F-750, N\/A. Fits 2010-2012 Nova Bus Corporation Low Floor 40, N\/A. Fits 2011-2012 Ram 2500, N\/A. Fits 2011-2012 Ram 3500, N\/A. Fits 2011-2012 Ram 4500, N\/A. Fits 2011-2012 Ram 5500, N\/A. Fits 2009-2011 Crane Carrier Low Entry, N\/A. Fits 1993-2006 Crane Carrier Low Entry, N\/A. Fits 1991 Crane Carrier Low Entry, N\/A. Fits 2011 Freightliner S2, N\/A. Fits 2008-2009 Freightliner S2, N\/A. Fits 2011 Roadmaster Rail R-Raised Rail, N\/A. Fits 2008-2010 Country Coach Motorhome Inspire, N\/A. Fits 2008-2010 Country Coach Motorhome Intrigue, N\/A. Fits 2009-2010 Country Coach Motorhome Magna, N\/A. Fits 2000-2010 Dodge Ram 2500, N\/A. Fits 2000-2010 Dodge Ram 3500, N\/A. Fits 2008-2010 Dodge Ram 4500, N\/A. Fits 2008-2010 Dodge Ram 5500, N\/A. Fits 2010 El Dorado Transmark RE, N\/A. Fits 2004-2008 El Dorado Transmark RE, N\/A. Fits 1994-2002 El Dorado Transmark RE, N\/A. Fits 2009-2010 Orion Bus Orion VII, N\/A. Fits 2003-2007 Orion Bus Orion VII, N\/A. Fits 2007-2010 Sterling Truck Acterra, N\/A. Fits 2003 Sterling Truck Acterra, N\/A. Fits 2008-2010 Sterling Truck Bullet 45, N\/A. Fits 2008-2010 Sterling Truck Bullet 55, N\/A. Fits 2004-2009 Freightliner MT35, N\/A. Fits 2007-2009 Kalmar Ottawa 4 X 2, N\/A. Fits 2007-2009 Kalmar Ottawa 6 X 4, N\/A. Fits 2002-2009 Roadmaster Rail A-Straight Rail, N\/A. Fits 2008-2009 Roadmaster Rail AE-Stacked Rail, N\/A. Fits 2009 Van Hool Urban Bus, N\/A. Fits 2007-2009 Workhorse R26, N\/A. Fits 2008 American LaFrance Condor, N\/A. Fits 1992-2008 El Dorado Escort RE, N\/A. Fits 2005-2008 Freightliner XB Raised Rail, N\/A. Fits 1995-2008 Kenworth T300, N\/A. Fits 2008 Spartan Motors Mountain Master, N\/A. Fits 1993 Spartan Motors Mountain Master, N\/A. Fits 2007 Blue Bird SHL Commercial, N\/A. Fits 1996-2003 Blue Bird SHL Commercial, N\/A. Fits 2003-2007 El Dorado E-Z Rider, N\/A. Fits 2007 El Dorado Transmark XHF, N\/A. Fits 1999-2007 Freightliner FC80, N\/A. Fits 2007 International 8600 SBA, N\/A. Fits 2006-2007 Kalmar YT30, N\/A. Fits 2006-2007 Kalmar YT50, N\/A. Fits 2006-2007 Kalmar YT60T, N\/A. Fits 2007 Peterbilt 220, N\/A. Fits 1999-2007 Sterling Truck SC8000 Cargo, N\/A. Fits 1992-2006 Blue Bird Commercial Bus, N\/A. Fits 2001-2005 Freightliner XC, N\/A. Fits 2000-2005 Kenworth K300, N\/A. Fits 1993-1996 Kenworth K300, N\/A. Fits 1988-2005 Ottawa YT30, N\/A. Fits 1991-2005 Ottawa YT50, N\/A. Fits 1989 Ottawa YT50, N\/A. Fits 1993-2005 Ottawa YT60T, N\/A. Fits 1990 Ottawa YT60T, N\/A. Fits 1989-2004 Blue Bird TC2000, N\/A. Fits 2004 Crane Carrier Equipment Carrier, N\/A. Fits 1999-2002 Crane Carrier Equipment Carrier, N\/A. Fits 1999-2004 Freightliner FC70, N\/A. Fits 1996-2004 Freightliner FS65, N\/A. Fits 2004 Kenworth W900, N\/A. Fits 2000-2002 Kenworth W900, N\/A. Fits 1997-1998 Kenworth W900, N\/A. Fits 1995 Kenworth W900, N\/A. Fits 1993 Kenworth W900, N\/A. Fits 1993-2003 Blue Bird SHL TC2000, N\/A. Fits 1996-2003 El Dorado E-Z Rider, N\/A. Fits 1995-2003 Freightliner FL50, N\/A. Fits 1991-2003 Freightliner FL60, N\/A. Fits 1991-2003 Freightliner FL70, N\/A. Fits 1991-2003 Freightliner FL80, N\/A. Fits 2003 Hyundai HMD 230, N\/A. Fits 2003 Hyundai HMD 260, N\/A. Fits 2001-2003 Peterbilt 270, N\/A. Fits 2003 Roadmaster Rail S-Monocoque, N\/A. Fits 2003 Spartan Motors Alpine, N\/A. Fits 1995-1999 Spartan Motors Alpine, N\/A. Fits 2003 Spartan Motors Gladiator, N\/A. Fits 1992 Spartan Motors Gladiator, N\/A. Fits 2001-2003 Sterling Truck Acterra 6500, N\/A. Fits 2001-2003 Sterling Truck Acterra 7500, N\/A. Fits 2001-2003 Sterling Truck Acterra 8500, N\/A. Fits 1999-2003 Sterling Truck L7500, N\/A. Fits 1999-2003 Sterling Truck SC7000 Cargo, N\/A. Fits 2002 Gillig City Transit, N\/A. Fits 1995 Gillig City Transit, N\/A. Fits 1997-2002 Kenworth T2000, N\/A. Fits 2000-2002 Kenworth T600A, N\/A. Fits 1997-1998 Kenworth T600A, N\/A. Fits 1994-1995 Kenworth T600A, N\/A. Fits 1997-2002 Kenworth T800, N\/A. Fits 1995 Kenworth T800, N\/A. Fits 2002 Peterbilt 378, N\/A. Fits 1998-2000 Peterbilt 378, N\/A. Fits 1993 Peterbilt 378, N\/A. Fits 1999-2002 Peterbilt 379, N\/A. Fits 2002 Peterbilt 387, N\/A. Fits 2001-2002 Sterling Truck Acterra 5500, N\/A. Fits 2001 Freightliner FLD120, N\/A. Fits 1999 Freightliner FLD120, N\/A. Fits 1997 Freightliner FLD120, N\/A. Fits 1997-2001 Orion Bus Orion II, N\/A. Fits 2000-2001 Peterbilt 357, N\/A. Fits 1999-2001 Sterling Truck L7501, N\/A. Fits 1999-2000 Bering MD23M, N\/A. Fits 1997-2000 Blue Bird TC1000, N\/A. Fits 1998-2000 Peterbilt 200, N\/A. Fits 1993-1996 Peterbilt 200, N\/A. Fits 1993-1999 Ford F-800, N\/A. Fits 1999 Freightliner FLL086, N\/A. Fits 1995 Freightliner FLL086, N\/A. Fits 1997-1999 Spartan Motors BC, N\/A. Fits 1998-1999 Spartan Motors BV, N\/A. Fits 1999 Spartan Motors CV, N\/A. Fits 1996-1999 Spartan Motors EXP-2001, N\/A. Fits 1999 Sterling Truck L8501, N\/A. Fits 1998 Chance Coach Transit Bus Street Car, N\/A. Fits 1992-1993 Chance Coach Transit Bus Street Car, N\/A. Fits 1987-1990 Chance Coach Transit Bus Street Car, N\/A. Fits 1984-1985 Chance Coach Transit Bus Street Car, N\/A. Fits 1995-1998 Ford B-800F, N\/A. Fits 1995-1998 Ford F-800 LPO, N\/A. Fits 1997-1998 Ford L8501, N\/A. Fits 1998 Freightliner FLD112, N\/A. Fits 1994 Freightliner FLD112, N\/A. Fits 1998 Spartan Motors Advantage, N\/A. Fits 1997 Chance Coach Transit Bus AH-28, N\/A. Fits 1994 Chance Coach Transit Bus AH-28, N\/A. Fits 1993-1997 Ford CF7000, N\/A. Fits 1997 Ford CF8000, N\/A. Fits 1992-1997 Ford F-700, N\/A. Fits 1993-1997 Ford LN7000, N\/A. Fits 1997 Kenworth T450, N\/A. Fits 1997 Ontario Bus Orion II, N\/A. Fits 1997 Spartan Motors Forward Control, N\/A. Fits 1995-1996 Ford P-800, N\/A. Fits 1994-1996 Spartan Motors BC2000, N\/A. Fits 1990-1996 Spartan Motors Bus Chassis, N\/A. Fits 1993-1996 Spartan Motors EC2000, N\/A. Fits 1996 Spartan Motors KC1000, N\/A. Fits 1994 Spartan Motors KC1000, N\/A. Fits 1994-1995 Chance Coach Transit Bus RT-52, N\/A. Fits 1991-1992 Chance Coach Transit Bus RT-52, N\/A. Fits 1989 Chance Coach Transit Bus RT-52, N\/A. Fits 1985 Chance Coach Transit Bus RT-52, N\/A. Fits 1995 Freightliner FLB, N\/A. Fits 1990-1995 Oshkosh Motor Truck Co. M Line, N\/A. Fits 1994-1995 Oshkosh Motor Truck Co. P, N\/A. Fits 1992-1995 Oshkosh Motor Truck Co. S Line, N\/A. Fits 1995 Oshkosh Motor Truck Co. T Line, N\/A. Fits 1995 Oshkosh Motor Truck Co. V Line, N\/A. Fits 1990-1992 Oshkosh Motor Truck Co. V Line, N\/A. Fits 1992-1995 Oshkosh Motor Truck Co. X Line, N\/A. Fits 1993-1995 Spartan Motors Metro Star, N\/A. Fits 1994 Crane Carrier Recycling Equipment, N\/A. Fits 1990-1992 Crane Carrier Recycling Equipment, N\/A. Fits 1991-1994 Crane Carrier School Bus, N\/A. Fits 1992-1994 Ford B-600, N\/A. Fits 1992-1994 Ford B-700, N\/A. Fits 1992-1994 Ford F-600, N\/A. Fits 1993-1994 Ford F-600 LPO, N\/A. Fits 1993-1994 Ford F-700 LPO, N\/A. Fits 1993-1994 Spartan Motors WC2000, N\/A. Fits 1993 Spartan Motors Intermediate, N\/A. Fits 1988-1992 Spartan Motors Motorhome, N\/A. Fits 1990-1991 Chance Coach Transit Bus AMTV-PM, N\/A. Fits 1991 Crane Carrier Centurion, N\/A. Fits 1991 Crane Carrier Drill Rig, N\/A. Fits 1991 Crane Carrier IFL, N\/A. Fits 1991 Gillig Motorhome, N\/A. Fits 1991 Gillig Shuttle Bus, N\/A. Fits 1991 Ottawa Firetruck, N\/A. Fits 1991 Thomas Bus, N\/A. Fits 1990-1991 Thomas School Bus, N\/A. Fits 1988-1990 Federal Motors Federal Motors, N\/A. Fits 1989 Hino FF19, N\/A. Fits 1989 Oshkosh Motor Truck Co. V, N\/A. Fits 1986-1988 Hino FFC1, N\/A.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard replacement engine water pump for stock cooling system service.\u003c\/li\u003e\n\u003cli\u003eCast iron housing with a plastic impeller for durable, application-matched construction.\u003c\/li\u003e\n\u003cli\u003eSerpentine belt drive with a belt-style pulley and bolted attachment method.\u003c\/li\u003e\n\u003cli\u003eLeak tested under conditions that simulate engine operating conditions.\u003c\/li\u003e\n\u003cli\u003eIncludes a gasket or seal for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMelling MWP-521 is a mechanical engine water pump built for stock replacement use in commercial, bus, and medium-duty truck applications. The cast iron housing, standard rotation, and OEM flow rate support factory-style cooling system operation, while the 7-vane plastic impeller is matched to the listed applications. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., 172286, 182286) for the same application.\u003c\/p\u003e\u003cp\u003eThe MWP-521 is listed for a broad range of vehicles, including Ford F-650 and Ford F-750, as well as Dodge Ram 2500 and Dodge Ram 3500. It is also used across many Freightliner, Blue Bird, International, and Kenworth platforms, making it a relevant search match for buyers looking for a Melling water pump MWP-521 for heavy-duty cooling system repair.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant circulation problems caused by a worn pump assembly.\u003c\/li\u003e\n\u003cli\u003eOverheating from reduced coolant flow.\u003c\/li\u003e\n\u003cli\u003eNoise or leakage from a failing mechanical water pump.\u003c\/li\u003e\n\u003cli\u003eCooling system service needs on stock replacement applications.\u003c\/li\u003e\n\u003cli\u003eFitment matching for Melling MWP-521 applications on commercial vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify pulley style, drive type, and mounting hole count before installation. This pump uses a serpentine belt drive, bolted mounting, and standard rotation, so matching the original configuration is important. The product data notes installation warnings, and no instructions or mounting hardware are included.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMelling states that each water pump is built to production standards using quality materials and individually leak tested to simulate real engine operating conditions. The MWP-521 is a standard replacement part identified by part number MWP-521.\u003c\/p\u003e","brand":"BCBC","offers":[{"title":"Default Title","offer_id":53721584533685,"sku":"BCBC-MWP-521","price":82.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ML_MWP521_Fro.jpg?v=1794124895","url":"https:\/\/www.partcatalog.com\/products\/bcbc-mwp-521-engine-water-pump","provider":"PartCatalog","version":"1.0","type":"link"}