Cummins 5.9L / QSB Heat Exchanger 4020101CN 4x25 Replacement Mr Cool
Introducing the Cummins 5.9L / QSB Heat Exchanger 4020101CN 4x25 Replacement Mr Cool, a marine-grade cooling solution from Mr Cool (USA). This heat exchanger is a precise replacement for Cummins 5.9L / QSB engines and is categorized under Heat Exchangers & Coolers. It features a 4" diameter shell and a 25.68" long copper-nickel (CUNI) core to resist erosion in saltwater conditions, delivering long service life in harsh marine environments.
Free delivery Australia-wide on orders over $350. We ship to every marina, port, and coastal town in Australia, including Pittwater, Sanctuary Cove, and Port Lincoln. The Cummins 5.9L / QSB Heat Exchanger 4020101CN 4x25 Replacement Mr Cool is ideal for marine parts, boat parts, and a reliable heat exchangers & coolers solution that keeps engines performing in saltwater conditions. Shop with Big Burjo's Marine for genuine parts and Australian-based support.
Details
Full specifications, features and technical details for this product are listed in the description above. Need help checking compatibility with your vessel, caravan or 4x4? Contact our Gold Coast team on 0416 180 996 or sales@bigburjos.com and we'll confirm fitment before you order.
Shipping & Returns
Shipping (Australia-wide): Orders over $350 AUD ship free. Orders under $350 have a $15 AUD flat-rate delivery fee. Standard delivery takes 3–11 business days depending on your location; express options (1–3 business days) are available at checkout. Orders are dispatched within 1–2 business days.
Returns: We offer a 30-day return policy. Items must be unused and in original packaging. Contact us at sales@bigburjos.com or 0416 180 996 to start a return. See our full Shipping Policy and Refund Policy for details, including your rights under Australian Consumer Law.