Indmar Thermostat Gasket 3 Bolt Housing

Indmar 3-Bolt Thermostat Housing Gasket

The Indmar 3-Bolt Thermostat Housing Gasket is an OEM replacement gasket designed for compatible Indmar marine engines, including Indmar-powered Malibu Boats from 1996–2018.

This 3-bolt gasket is commonly installed at the bottom of the thermostat housing where it meets the intake manifold. When replacing or servicing your marine engine thermostat, replacing the existing gasket helps create a proper seal and prevent vacuum or water leaks.

Using the correct Indmar OEM thermostat gasket helps ensure proper fitment and reliable sealing for your Indmar marine engine.

Product Details

• Brand: Indmar
• Product Type: Thermostat Housing Gasket
• Housing Type: 3-Bolt
• Application: Indmar Marine Engines
• Boat Compatibility: Indmar-powered Malibu Boats, 1996–2018
• Commonly installed between the thermostat housing and intake manifold
• Overall Length: Approximately 4" from triangle point to back
• Bolt Spacing: Approximately 3-1/4" center-to-center, left to right
• Center Opening: Approximately 1-7/8"
• Sold individually

Installation Note

It is recommended to replace the thermostat housing gasket whenever the thermostat housing is removed or the thermostat is replaced.

Use PTFE thread sealant on the thermostat housing mounting bolts to help prevent vacuum and water leaks.

Always verify the gasket dimensions and compatibility with your specific Indmar engine and thermostat housing before installation.