Indmar 605008 Nylon Straight Fitting – 3/4" x 1"

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Part Number: 605008

Indmar 605008 Nylon Straight Fitting – 3/4" x 1"

Maintain reliable cooling system performance with the Indmar 605008 Nylon Straight Fitting – 3/4" x 1". Designed as a genuine OEM replacement, this straight fitting provides a secure connection between cooling system hoses and water circulation components on compatible marine engines.

Cooling system fittings are critical for maintaining proper water flow through the engine and exhaust system. Over time, fittings can become brittle, cracked, or damaged from constant exposure to heat, vibration, moisture, and engine pressure. Replacing worn hose fittings helps prevent leaks, maintain cooling system efficiency, and support dependable engine performance on the water.

Manufactured to Indmar factory specifications, the 605008 nylon straight fitting is built using durable marine-grade nylon engineered for corrosion resistance and long-term reliability. Its straight-through design allows for efficient water flow while simplifying hose connections in marine cooling system applications.


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 systems where unrestricted water flow and secure hose connections are essential for maintaining proper engine operating 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
  • 3/4" x 1" sizing for compatible hose applications
  • Straight-through design for efficient water circulation
  • Designed for marine cooling and raw water 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 leaks, restricted water flow, or unnecessary strain on cooling system components. Replacing aging fittings helps maintain reliable engine temperatures and dependable performance throughout the boating season.

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.