Part Number: 605004
Indmar 605008 Nylon Straight Fitting – 1/2" x 5/8"
Keep your marine cooling system operating reliably with the Indmar 605008 Nylon Straight Fitting – 1/2" x 5/8". Designed as a genuine OEM replacement, this straight hose fitting provides secure water line connections and helps maintain proper cooling system circulation throughout the engine.
Cooling system fittings are essential for directing water flow between the engine, manifolds, heater systems, and raw water components. Over time, fittings can become brittle, cracked, or damaged due to constant exposure to heat, vibration, moisture, and engine pressure. Replacing worn fittings helps prevent leaks, maintain cooling efficiency, and support dependable engine performance.
Manufactured to Indmar factory specifications, the 605008 nylon straight fitting is built from durable marine-grade nylon engineered for corrosion resistance and long service life in demanding freshwater and saltwater environments. Its straight-through design promotes unrestricted water flow while providing reliable hose connections in tight engine compartments.
Common Engine & Boat Fitments
The Indmar 605008 nylon straight fitting is commonly used on select Indmar marine engine cooling systems, including:
- Indmar Assault 5.7L
- Indmar Monsoon 325
- Indmar Monsoon 340
- Indmar Assault 325
- Indmar 5.0L MPI
- Indmar 5.7L MPI
- Indmar Raptor 6.2L applications
These engines are frequently found in:
Supra Models
- Supra Launch 20SSV
- Supra Launch 21V
- Supra SA
- Supra SL
- Supra SE
Moomba Models
- Moomba Mobius LSV
- Moomba Mojo
- Moomba Kaiyen
- Moomba Makai
- Moomba Max
Additional applications may include Malibu and MasterCraft boats equipped with compatible Indmar engine packages.
The 605008 fitting is commonly used in raw water and engine cooling hose assemblies where secure hose routing and uninterrupted water circulation are critical for maintaining proper engine temperatures.
Fitment may vary depending on engine serial number and cooling system configuration, so confirming compatibility with part number 605008 before ordering is recommended.
Key Features
- Genuine Indmar OEM nylon straight fitting
- 1/2" x 5/8" sizing for compatible hose applications
- Straight-through design for efficient water flow
- Designed for marine cooling and water circulation systems
- Marine-grade nylon construction for durability and corrosion resistance
- Helps maintain leak-free cooling system performance
- Direct-fit replacement for straightforward installation
Why Replace Cooling System Fittings?
A damaged fitting can lead to coolant leaks, restricted water flow, or unnecessary strain on cooling system components. Replacing aging hose fittings helps maintain reliable engine cooling and dependable performance on the water.
If you’re servicing an Indmar-powered Supra, Moomba, Malibu, or MasterCraft, the 605008 nylon straight fitting delivers the OEM-quality fit and durability your cooling system depends on.