Indmar 565963 Replacement #10-32 x 5/16 Screw

Indmar 565963 Replacement #10-32 x 5/16 Screw

Secure your marine cooling system components properly with the Indmar 565963 Replacement #10-32 x 5/16 Screw. Designed as a genuine OEM replacement fastener, this screw is commonly used in raw water pump and cooling system assemblies on Indmar marine engines where precise fitment and reliable fastening are essential.

Marine engine hardware is constantly exposed to vibration, moisture, heat, and corrosion. Over time, screws and fasteners can become damaged, stripped, or corroded during routine maintenance and impeller service. Replacing worn hardware with the correct OEM-spec fastener helps maintain proper assembly alignment and dependable cooling system performance.

Manufactured to Indmar factory specifications, the 565963 screw features the correct thread pitch and dimensions for compatible pump assemblies and cooling system components. Designed as a direct replacement, it helps simplify maintenance and ensures reliable installation during raw water pump repairs and impeller replacement service.

Common Water Pump Fitments

The Indmar 565963 replacement screw is commonly used on select Indmar raw water pump assemblies, including:

• Indmar 685001 raw water pump
• Indmar 685001-1 raw water pump
• Indmar 685001-2 raw water pump
• Indmar 685001-5 raw water pump
• Johnson Pump assemblies used on Indmar engines
• Sherwood raw water pump applications on select Indmar platforms

These water pump systems are frequently found on engines including:

• Indmar Assault 5.7L
• Indmar Monsoon 325
• Indmar Monsoon 340
• Indmar Assault 325
• Indmar 5.0L MPI
• Indmar 5.7L MPI
• Select Indmar Raptor engine applications

These engines are commonly installed in:

• Supra Launch series
• Supra Sunsport and SA models
• Moomba Mobius LSV
• Moomba Mojo and Kaiyen
• Malibu Wakesetter models with Indmar engines
• MasterCraft boats equipped with Indmar power packages

Fitment may vary depending on pump revision and engine serial number, so confirming compatibility with part number 565963 before ordering is recommended.

Key Features

• Genuine Indmar OEM replacement screw
• #10-32 x 5/16 sizing for precise fitment
• Designed for raw water pump and cooling system applications
• Helps secure pump covers and related components properly
• Marine-grade construction for durability and corrosion resistance
• Direct-fit replacement for straightforward installation

Why Replace Cooling System Hardware?

Corroded or damaged fasteners can lead to improper sealing, stripped threads, or loose pump components that affect cooling system reliability. Using the correct OEM replacement hardware helps maintain secure assembly fitment and dependable pump operation.

If you’re servicing an Indmar raw water pump or cooling system, the 565963 replacement screw delivers the OEM-quality fit and reliability needed for proper marine engine maintenance.