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Gaskets (Tohatsu)

Thermostat Cap Gasket 353-01032-0

Brand: Tohatsu

SKU: 353-01032-0

$4.45
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The Genuine Tohatsu 353-01032-0 Thermostat Cap Gasket is designed for selected 40HP to 115HP 2-stroke outboard motors. Installed between the thermostat cover and engine housing, this genuine OEM gasket provides a sealing surface to help prevent cooling-water leaks. Ideal for thermostat replacement, cooling system servicing and engine repairs, it helps maintain cooling-system integrity and supports reliable outboard operation under normal operating conditions.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM replacement gasket.
  • - Designed for selected 40HP–115HP 2-stroke outboards.
  • - Helps prevent cooling-water leakage around the thermostat cap.
  • - Provides a factory-specified sealing fit.
  • - Suitable for thermostat replacement and cooling-system repairs.
  • - Helps maintain correct cooling-water circulation.
  • - Ideal for replacing damaged or deteriorated gaskets.
  • - Supplied individually.

Specifications & Dimensions

  • - Manufacturer: Tohatsu
  • - OEM Part Number: 353-01032-0
  • - OEM Ordering Number: 353010320M
  • - OEM Description: Gasket, Thermostat Cap
  • - Product Type: Thermostat cover sealing gasket
  • - Installation Location: Thermostat cap / cylinder crankcase assembly
  • - Engine Type: 2-stroke
  • - Compatible Horsepower: Selected 40HP–115HP engines
  • - Material: Gasket sealing material
  • - Quantity Required: 1 per applicable thermostat assembly

Compatible Tohatsu Outboards

  • 2-Stroke – 40HP to 50HP
  • - M40D2 – 40HP: Documented 2003 model.
  • - M50D2 – 50HP: Documented 2003 model.
  • - M45A2 – 45HP: Listed in the 1986 factory catalogue.
  • - M50C – 50HP: Listed in the 1986 factory catalogue.
  • 2-Stroke – 60HP to 70HP
  • - M60A – 60HP: Listed in the 1986 factory catalogue.
  • - M70A2 – 70HP: Listed in the 1986 factory catalogue.
  • - M70C – 70HP: Documented 2003 model.
  • 2-Stroke – 90HP to 115HP
  • - M90A – 90HP: Documented 1996 factory catalogue.
  • - M115A2 – 115HP: Documented 2003 model.

Cross-Reference & Replacement Part Numbers

  • Genuine Tohatsu OEM
  • - 353-01032-0 – Genuine thermostat cap gasket.
  • - 353010320M – OEM ordering number.
  • - Sierra 18-60920 – Supplier-listed aftermarket cross-reference.

Signs the Thermostat Cap Gasket Needs Replacing

  • - Cooling-water leakage around the thermostat housing.
  • - Gasket is cracked, torn or damaged.
  • - Gasket has hardened or deteriorated.
  • - Visible corrosion around the thermostat cap.
  • - Gasket is permanently compressed.
  • - Water escaping from the cover mating surface.
  • - Gasket damaged during thermostat removal.
  • - Thermostat cover being removed for servicing.

Important Fitment Information

  • - Confirm the engine model and serial number before ordering.
  • - This is a genuine Tohatsu OEM gasket, not an aftermarket replacement.
  • - Designed for selected 40HP–115HP 2-stroke outboards.
  • - Not every outboard within this horsepower range uses the same thermostat gasket.
  • - Check the original gasket shape and mounting hole positions.
  • - Inspect the thermostat cap and mating surfaces for corrosion or damage.
  • - Remove old gasket material before installation.
  • - Do not reuse a torn or permanently compressed gasket.
  • - Tighten thermostat cover bolts to the manufacturer's specified torque.
  • - Check for cooling-water leaks after servicing.
  • - Do not confuse 353-01032-0 with 346-01032-0, which is a different OEM gasket reference.

Shipping

Ships Australia-wide