Top view of a gold-colored thermostat dial set to 160 degrees, featuring a circular design with a central adjustment knob.
Brass thermostat with a 160-degree temperature setting, featuring a round dial and mounting holes for installation.
Top view of a gold-colored thermostat dial set to 160 degrees, featuring a circular design with a central adjustment knob.
Brass thermostat with a 160-degree temperature setting, featuring a round dial and mounting holes for installation.

Indmar 160°F Thermostat (OEM 985009) for 5.7L LCR Engines

985009

Genuine Indmar 160° thermostat for 5.7L GM-based marine engines, including the LCR. Ensures reliable cooling and consistent engine temps. Built for raw-water cooled systems.

$56.72
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Estimated Ship Date: Jul 16

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Keep your Indmar engine running at peak performance with the genuine Indmar 160°F thermostat (OEM Part #985009). Built for 5.7L GM-based marine engines such as the LCR, this thermostat helps maintain proper operating temperature for improved efficiency, reduced overheating risk, and longer engine life. Designed for raw-water cooled setups, it features durable marine-grade materials made to handle harsh on-water conditions.

Features & Benefits

  • Genuine OEM Indmar thermostat – Part #985009
  • 160°F temperature rating for proper engine warm-up and stable operating temps
  • Marine-grade construction for corrosion resistance and reliability
  • Designed specifically for raw-water cooled systems

Fitment Note
Always verify your engine model and cooling system type before ordering. Not intended for closed-cooled applications or LTR, LT1, and LS engines.

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