Description:
PP-130-6548-02 Cummins Onan 130-6548-02 / 130-4433CN / 130-5006CN Heat Exchanger
This Seakamp Heat Exchanger is a marine-grade replacement designed for Cummins Onan marine diesel generator sets fitted with closed-circuit (fresh water cooled) systems, most commonly fitted to the MDKAD, MDKAE, MDKBE family. It also replaces Cummins Onan part #130-4433CN and #130-5006CN.
This unit forms the core of the engine's closed-circuit cooling system, transferring heat from the engine's fresh-water coolant loop to the raw-water (seawater) circuit. Engine coolant flows through the internal tube bundle while seawater circulates around the outer shell, efficiently carrying heat away before the coolant is recirculated through the engine.
Effective coolant temperature control is critical for stable engine operation under load. A correctly functioning heat exchanger helps prevent overheating, protects cylinder heads, liners and gaskets, and supports consistent power output and long service life in demanding marine environments.
Manufactured to match OEM dimensions, port orientation and mounting geometry, the 130-6548-02 is a true direct-fit replacement for the original Cummins Onan component. It installs without modification to existing hoses, brackets or pipework, making it suitable for planned maintenance, corrosion replacement or preventative servicing.
Suits Cummins Onan:
• Cummins Onan MDKAD
• Cummins Onan MDKAE
• Cummins Onan MDKBE
• Cummins Onan MDKBP
• Other Cummins Onan applications using this Seakamp form factor
Replaces / Interchangeable With:
• Cummins Onan: 130-6548-02
• Cummins Onan: 130-4433CN
• Cummins Onan: 130-5006CN
• 130-7986CN
• 130-6548-02CN (CuNi variant of same part)
• 130-4433 (copper variant of same part)
• 130-5006 (copper variant of same part)