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Water Pump Impellers (Tohatsu)

Water Pump Impeller 3SS-65021-0

Brand: Tohatsu

SKU: 3SS-65021-0

$65.90
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Maintain reliable engine cooling with the Genuine Tohatsu 3SS-65021-0 Water Pump Impeller, designed for selected 75HP to 140HP 4-stroke outboard motors. This genuine OEM impeller circulates cooling water through the engine to help prevent overheating and maintain consistent operating temperatures. Manufactured for the specified factory water pump assembly, it is ideal for scheduled servicing, preventative maintenance and replacing worn, cracked or damaged impellers.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM water pump impeller.
  • - Factory-specified fit for selected 75HP–140HP 4-stroke outboards.
  • - Six-blade impeller design.
  • - Helps maintain reliable cooling-water circulation.
  • - Supports consistent engine operating temperatures.
  • - Designed for the original water pump housing and drive arrangement.
  • - Suitable for scheduled outboard servicing and preventative maintenance.
  • - Direct replacement for the same OEM part number.
  • - Supplied individually.

Specifications & Dimensions

  • - Manufacturer: Tohatsu
  • - OEM Part Number: 3SS-65021-0
  • - OEM Ordering Number: 3SS650210M
  • - Factory Description: Water Pump Impeller
  • - Product Type: Outboard cooling-water pump impeller
  • - Outside Diameter: 86.5 mm (3.406")
  • - Impeller Width / Height: 35 mm (1.378")
  • - Shaft / Bore Diameter: 22 mm (0.866")
  • - Number of Blades: 6
  • - Drive Type: Keyed shaft
  • - Engine Type: 4-stroke
  • - Compatible Horsepower: 75HP, 90HP, 100HP, 115HP and 140HP
  • - Impeller Material: Flexible marine-grade elastomer
  • - Quantity Required: 1 per engine

Compatible Tohatsu Outboards

  • 4-Stroke – 75HP to 100HP
  • - MFS75A – 75HP
  • - MFS90A – 90HP
  • - MFS100A – 100HP
  • 4-Stroke – 115HP to 140HP
  • - MFS115A – 115HP
  • - MFS140A – 140HP

Cross-Reference & Replacement Part Numbers

  • Genuine Tohatsu OEM
  • - 3SS-65021-0 – Genuine water pump impeller.
  • - 3SS650210M – Genuine OEM ordering number.
  • - 3SS-65021-0M – Alternative supplier formatting.

Signs the Water Pump Impeller Needs Replacing

  • - Reduced or intermittent cooling-water flow.
  • - Engine overheating or temperature warning activation.
  • - Cracked, hardened or damaged impeller blades.
  • - Missing, broken or distorted vanes.
  • - Excessive wear around the impeller hub.
  • - Impeller blades have developed a permanent set.
  • - Cooling performance deteriorates during operation.
  • - Impeller replacement is due under the manufacturer's maintenance schedule.

Important Fitment Information

  • - Confirm the exact engine model and serial number before ordering.
  • - This is a genuine Tohatsu OEM impeller, not an aftermarket replacement.
  • - Outside Diameter: 86.5 mm.
  • - Impeller Height: 35 mm.
  • - Shaft Bore Diameter: 22 mm.
  • - Blade Count: 6.
  • - Designed for selected MFS75A, MFS90A, MFS100A, MFS115A and MFS140A outboards.
  • - Do not confuse this impeller with 3C7-65021-1, which is intended for different engines.
  • - Inspect the pump liner, guide plate, gaskets, O-rings and drive key during servicing.
  • - Replace damaged pump components as required.
  • - Ensure the drive key is correctly positioned during installation.
  • - Never operate the water pump dry.
  • - Follow the manufacturer's servicing and installation procedures.
  • - Confirm correct cooling-water circulation after replacement.

Shipping

Ships Australia-wide