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Water Pump Impellers (Tohatsu)

Water Pump Impeller 3LD-65021-0

Brand: Tohatsu

SKU: 3LD-65021-0

$42.05
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Maintain reliable engine cooling with the Genuine Tohatsu 3LD-65021-0 Water Pump Impeller, designed for selected 9.9HP, 15HP and 20HP EFI 4-stroke outboard motors. This genuine OEM impeller circulates cooling water through the engine to help prevent overheating and maintain consistent operating temperatures. Ideal for scheduled servicing and preventative maintenance, it provides a factory-specified replacement for worn, cracked or damaged water pump impellers.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM replacement impeller.
  • - Factory-specified for MFS9.9E, MFS15E and MFS20E outboards.
  • - Supports reliable engine cooling-water circulation.
  • - Helps maintain consistent engine operating temperatures.
  • - Suitable for routine servicing and preventative maintenance.
  • - Compatible with the original water pump assembly.
  • - Can be purchased individually instead of a complete water pump kit.
  • - Suitable for selected EFI 4-stroke outboards.

Specifications & Dimensions

  • - Manufacturer: Tohatsu
  • - OEM Part Number: 3LD-65021-0
  • - OEM Ordering Number: 3LD650210M
  • - Factory Description: Water Pump Impeller
  • - Product Type: Flexible water pump impeller
  • - Outside Diameter: Approximately 40.7 mm (1.602")
  • - Impeller Height / Width: Approximately 23.35 mm (0.919")
  • - Shaft / Bore Diameter: Approximately 14 mm (0.551")
  • - Drive Type: Keyed shaft
  • - Engine Type: 4-stroke EFI
  • - Compatible Horsepower: 9.9HP, 15HP and 20HP
  • - Material: Flexible elastomer with hub
  • - Blade Count: 8
  • - Quantity Required: 1 per engine

Compatible Tohatsu Outboards

  • 4-Stroke EFI – 9.9HP
  • - MFS9.9E – 9.9HP
  • 4-Stroke EFI – 15HP
  • - MFS15E – 15HP
  • 4-Stroke EFI – 20HP
  • - MFS20E – 20HP

Cross-Reference & Replacement Part Numbers

  • Genuine Tohatsu OEM
  • - 3LD-65021-0 – Genuine water pump impeller.
  • - 3LD650210M – Genuine OEM ordering number.
  • - 3LD-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 distorted impeller blades.
  • - Missing or broken impeller vanes.
  • - Excessive wear around the impeller hub.
  • - Impeller blades have developed a permanent set.
  • - Cooling performance deteriorates during operation.
  • - Impeller damage discovered during lower-unit servicing.
  • - Replacement is due under the manufacturer's maintenance schedule.

Important Fitment Information

  • - Confirm the complete engine model and serial number before ordering.
  • - This is a genuine Tohatsu OEM impeller, not an aftermarket replacement.
  • - Designed for MFS9.9E, MFS15E and MFS20E EFI 4-stroke outboards.
  • - Outside Diameter: Approximately 40.7 mm.
  • - Impeller Height: Approximately 23.35 mm.
  • - Shaft Bore Diameter: Approximately 14 mm.
  • - Do not assume compatibility with earlier MFS9.9, MFS15 or MFS20 engine variants.
  • - The earlier and later water pump repair kits use different associated components.
  • - Inspect the pump liner, guide plate, gasket, drive key and housing during servicing.
  • - Replace damaged or worn pump components as required.
  • - Ensure the impeller key is correctly positioned during installation.
  • - Never operate the water pump dry.
  • - Follow the manufacturer's installation and maintenance instructions.
  • - Confirm proper cooling-water circulation after replacement.

Shipping

Ships Australia-wide