{"product_id":"cummins-5-9l-isb-qsb-oil-cooler-3x-9-3975986cn-1-3-4-replacement-part","title":"Cummins 5.9L ISB\/QSB Oil Cooler 3\"x 9\" 3975986CN 1.3\/4'' Replacement Part","description":"\u003cp\u003eCummins 5.9L ISB\/QSB Oil Cooler 3\"x 9\" Replacement Part (3975986CN) from Mr Cool (USA) is a dedicated heat exchanger \u0026amp; cooler built for Cummins 5.9L ISB\/QSB marine engines. Its copper-nickel (CuNi) bundle delivers durable, corrosion-resistant cooling in saltwater environments. The unit measures 3 inches by 9 inches with a 1-3\/4 inch connection, making it a straightforward replacement for oils cooling loops in the transmission\/oil circuit. Part numbers: 3975986CN.\u003c\/p\u003e\n\n\u003cp\u003eBig Burjo's Marine ships everywhere across Australia: delivery to every marina, port, coastal town in Australia, from Gold Coast Broadwater to Manly Harbour and Hervey Bay. Free delivery Australia-wide on orders over $350. This heat exchanger \u0026amp; cooler is a strong option in our marine parts range, alongside boat parts and heat exchangers \u0026amp; coolers, offering reliable oil cooling for saltwater use. A trusted replacement part for Cummins 5.9L ISB\/QSB engines, it keeps temperatures in check on long passages.\u003c\/p\u003e","brand":"Mr Cool (USA)","offers":[{"title":"Default Title","offer_id":42989005766754,"sku":"MRC3975986CN","price":1028.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/6935\/2034\/files\/product_7714456240226_clean.png?v=1780502073","url":"https:\/\/bigburjos.com\/products\/cummins-5-9l-isb-qsb-oil-cooler-3x-9-3975986cn-1-3-4-replacement-part","provider":"Big Burjo's Marine","version":"1.0","type":"link"}