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Thermostats (Tohatsu)

Thermostat – 3SS-01030-0

Brand: Tohatsu

SKU: 3SS-01030-0

$112.75
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The Genuine Tohatsu Thermostat 3SS-01030-0 is an original replacement cooling system component for selected Tohatsu 75HP to 140HP four-stroke outboard motors. Designed to regulate coolant circulation through the engine, this thermostat helps maintain the correct operating temperature during warm-up and normal operation. Ideal for replacing sticking, corroded or malfunctioning thermostats, it supports efficient engine cooling and reliable outboard performance.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM replacement thermostat.
  • - Designed for selected 75HP–140HP four-stroke engines.
  • - Helps maintain correct engine operating temperature.
  • - Regulates cooling water circulation.
  • - Supports efficient engine warm-up and cooling.
  • - Suitable for routine cooling system maintenance.
  • - Factory-specified replacement component.
  • - Supplied individually, not as a thermostat kit.

Compatible Tohatsu Outboard Motors

  • Four-Stroke Outboards
  • - MFS75A – 75HP
  • - MFS90A – 90HP
  • - MFS100A – 100HP
  • - MFS115A – 115HP
  • - MFS140A – 140HP

Cross-Reference & Superseded Part Numbers

  • Genuine Tohatsu References
  • - 3SS-01030-0 – Genuine thermostat.
  • - 3SS010300 – Unhyphenated OEM reference.

Suitable Applications

  • - Engine thermostat replacement.
  • - Four-stroke cooling system servicing.
  • - Repairs to overheating or overcooling problems caused by a faulty thermostat.
  • - Replacement of corroded or sticking thermostats.
  • - Restoration of the original cooling system configuration.
  • - Preventative maintenance where inspection identifies thermostat deterioration.

Signs the Thermostat Needs Replacing

  • - Engine overheating.
  • - Engine operating below normal temperature.
  • - Thermostat sticking open or closed.
  • - Corrosion or mineral deposits around the thermostat.
  • - Damaged thermostat spring or valve mechanism.
  • - Irregular engine operating temperature.
  • - Thermostat failing the manufacturer's temperature test.

Shipping

Ships Australia-wide