{"product_id":"raw-water-pump-replaces-3907458-3912019-for-m70-m71-cummins-4b-diesel","title":"Raw Water Pump Replaces 3907458 3912019 For M70 M71 Cummins 4B Diesel","description":"\u003ch2\u003eRaw Water Pump for Cummins 4B Diesel\u003c\/h2\u003e\u003cp\u003eThis raw water pump replaces OEM references 3907458 and 3912019 and circulates cooling water through M70 and M71 marine diesel setups.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis raw water pump is a direct replacement for the 3907458 and 3912019 units used on Cummins 4B diesel marine engines. It moves raw water through the cooling circuit, keeping engine temperatures stable during long runs. Built for boat owners and diesel mechanics needing a dependable raw water pump for M70 and M71 applications.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces OEM part numbers 3907458 and 3912019\u003c\/li\u003e\n\u003cli\u003eDesigned for M70 and M71 Cummins 4B diesel marine use\u003c\/li\u003e\n\u003cli\u003ePump body supports steady raw water flow for engine cooling\u003c\/li\u003e\n\u003cli\u003eSealed bearing design limits water intrusion at the shaft\u003c\/li\u003e\n\u003cli\u003eDirect mount to factory bolt pattern for a drop-in replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Cummins 4B diesel engines\u003c\/li\u003e\n\u003cli\u003efor M70 marine applications\u003c\/li\u003e\n\u003cli\u003efor M71 marine applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMarine engine cooling circuits on inboard diesel boats\u003c\/li\u003e\n\u003cli\u003eImpeller-to-heat-exchanger raw water supply\u003c\/li\u003e\n\u003cli\u003eRoutine raw water pump replacement during service intervals\u003c\/li\u003e\n\u003cli\u003eRefit projects on M70 and M71 diesel builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3907458, 3912019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRaw water pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarine diesel engine cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCummins 4B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM70, M71\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this an original Cummins part? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is an aftermarket replacement pump built to replace OEM part numbers 3907458 and 3912019. It is not manufactured or sold by Cummins.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I reuse the old impeller? \u003cstrong\u003eA:\u003c\/strong\u003e A raw water pump is usually installed with a fresh impeller and gasket. Reusing a worn impeller on this pump type risks overheating and early failure.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":50554667302998,"sku":"ZZ3N01133","price":409.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_79d99490-136c-4776-892d-8f4d9489c46b.jpg?v=1790902728","url":"https:\/\/www.solidspare.com\/products\/raw-water-pump-replaces-3907458-3912019-for-m70-m71-cummins-4b-diesel","provider":"Solid Spare","version":"1.0","type":"link"}