Part Number: 605030
Indmar 605030 Nylon Elbow Fitting – 1" x 1-1/4"
Maintain dependable cooling system performance with the Indmar 605030 Nylon Elbow Fitting – 1" x 1-1/4". Designed as a genuine OEM replacement, this elbow fitting provides secure hose connections and efficient water routing for high-flow marine cooling system applications.
Large-diameter cooling system fittings play a critical role in maintaining unrestricted raw water circulation through the engine, manifolds, ballast systems, and exhaust components. Over time, fittings can become brittle, cracked, or weakened from exposure to heat, vibration, pressure, and moisture inside the engine compartment. Replacing worn hose fittings helps prevent leaks, maintain cooling efficiency, and support reliable engine operation.
Manufactured to Indmar factory specifications, the 605030 nylon elbow fitting is built using durable marine-grade nylon engineered for corrosion resistance and long-term reliability in demanding freshwater and saltwater environments. Its angled elbow design allows for cleaner hose routing in tight spaces while supporting smooth, unrestricted water flow.
Common Engine & Boat Fitments
The Indmar 605030 nylon elbow fitting is commonly used on select Indmar marine engine cooling systems, including:
- Indmar Assault 5.7L
- Indmar Monsoon 340
- Indmar Raptor 6.2L
- Indmar Raptor 6.2L Supercharged
- Indmar 6.0L MPI applications
- Select Ford Raptor-based Indmar engine packages
These engines are frequently found in:
Supra Models
- Supra SA
- Supra SL
- Supra SE
- Supra SR
Moomba Models
- Moomba Mojo
- Moomba Kaiyen
- Moomba Makai
- Moomba Max
Additional applications may include Malibu and MasterCraft boats equipped with compatible Indmar engine packages.
The 605030 fitting is commonly used in raw water and engine cooling hose systems where high-volume water flow and dependable hose routing are essential for maintaining proper engine temperatures and cooling system efficiency.
Fitment may vary depending on engine serial number and cooling system configuration, so confirming compatibility with part number 605030 before ordering is recommended.
Key Features
- Genuine Indmar OEM nylon elbow fitting
- 1" x 1-1/4" sizing for large-diameter hose applications
- Angled elbow design for efficient hose routing
- Designed for marine cooling and raw water systems
- Marine-grade nylon construction for durability and corrosion resistance
- Helps maintain reliable water circulation and leak-free 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 fittings helps maintain dependable cooling performance and reliable operation throughout the boating season.
If you’re servicing an Indmar-powered Supra, Moomba, Malibu, or MasterCraft, the 605030 nylon elbow fitting delivers the OEM-quality fit and durability your cooling system depends on.