Part Number: 605048
Part Number: 605048
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Protect your marine engine during routine maintenance and winterization with the Indmar 605048 Engine Drain Plug 1/4". Designed as a genuine OEM replacement, this drain plug helps seal engine block and cooling system drain ports to maintain proper coolant retention and dependable engine operation.
Engine drain plugs are critical components in marine cooling systems, especially during seasonal maintenance and winterization service. Over time, drain plugs can become corroded, damaged, or difficult to seal due to repeated removal, heat cycles, and exposure to moisture. Replacing worn drain plugs helps prevent coolant leaks and ensures reliable sealing performance throughout the boating season.
Manufactured to Indmar factory specifications, the 605048 engine drain plug is built using durable marine-grade materials designed to withstand harsh freshwater and saltwater environments. Engineered as a direct-fit replacement, it provides dependable fitment and straightforward installation for compatible Indmar engine applications.
The Indmar 605048 1/4" engine drain plug is commonly used on select Indmar marine engines, including:
These engines are frequently found in:
Additional applications may include Malibu and MasterCraft boats equipped with compatible Indmar engine packages.
The 605048 drain plug is commonly used in engine block and cooling system drain locations where secure sealing is essential for proper cooling system operation and seasonal maintenance.
Fitment may vary depending on engine serial number and cooling system configuration, so confirming compatibility with part number 605048 before ordering is recommended.
Drain plugs are frequently removed during winterization and cooling system service, which can eventually lead to damaged threads or sealing surfaces. Replacing worn plugs helps maintain leak-free operation and protects your engine cooling system from avoidable issues.
If you’re servicing an Indmar-powered Supra, Moomba, Malibu, or MasterCraft, the 605048 engine drain plug delivers the OEM-quality fit and dependable sealing performance your engine depends on.