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Water Pump Impellers (Tohatsu)

Water Pump Impeller - 3C8-65021-2

Brand: Tohatsu

SKU: 3C8-65021-2

$27.75
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The Genuine Tohatsu Water Pump Impeller 3C8-65021-2 is an original replacement cooling-system component designed for compatible Tohatsu outboard motors. Installed inside the water pump housing, its flexible blades circulate cooling water through the engine to maintain operating temperature. Ideal for scheduled servicing or replacing worn and damaged impellers, this genuine OEM part helps restore reliable water flow and protect the engine against overheating.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM water pump impeller.
  • - Designed for compatible factory water pump assemblies.
  • - Flexible blades provide cooling-water circulation.
  • - Helps protect the engine against overheating.
  • - Suitable for routine outboard servicing.
  • - Replacement for worn, cracked or damaged impellers.
  • - Manufactured for the specified OEM pump configuration.

Specifications & Dimensions

  • - Manufacturer: Tohatsu
  • - OEM Part Number: 3C8-65021-2
  • - Ordering Reference: 3C8650212M
  • - Product Type: Water pump impeller
  • - Outside Diameter: 50.4 mm (1.984 in)
  • - Inside / Shaft Diameter: 17.2 mm (0.677 in)
  • - Impeller Height: 20.0–20.2 mm (0.787–0.795 in)
  • - Number of Blades: 6
  • - Blade Material: Flexible neoprene rubber
  • - Drive Type: Key drive

Compatible Tohatsu Outboard Motors

  • 2-Stroke Outboards
  • - M40C – 40HP, selected configurations
  • - M40D – 40HP
  • - M40D2 – 40HP
  • - M50D – 50HP
  • - M50D2 – 50HP
  • - MW50D2 – 50HP, selected configurations
  • 2-Stroke TLDI Outboards
  • - MD40A / MD40B / MD40B2 – 40HP, subject to serial-number verification
  • - MD50A / MD50B / MD50B2 – 50HP, subject to serial-number verification
  • 4-Stroke Outboards
  • - MFS40A – 40HP, selected configurations
  • - MFS50A – 50HP, selected configurations
  • - MFS60A – 60HP, selected configurations

Compatible Mercury & Mariner Outboard Motors

  • - Mercury 40HP – selected 2003–2016 models with serial numbers beginning 0N
  • - Mercury 50HP – selected 2003–2016 models with serial numbers beginning 0N
  • - Mariner 40HP – selected 2003–2016 models with serial numbers beginning 0N
  • - Mariner 50HP – selected 2003–2016 models with serial numbers beginning 0N

Cross-Reference & Superseded Part Numbers

  • Genuine Tohatsu References
  • - 3C8-65021-2 – Current referenced part number.
  • - 3C8-65021-1 – Earlier equivalent listed by aftermarket suppliers.
  • - 3C8-65021-0 – Earlier ordering reference reported by aftermarket suppliers.
  • Mercury / Mariner Cross-References
  • - 47-16154-2
  • Aftermarket Cross-References
  • - Sierra 18-8922
  • - CEF 500379

Suitable Applications

  • - Scheduled outboard water pump servicing.
  • - Replacement of worn or damaged impellers.
  • - Cooling-system repairs.
  • - Water pump rebuilding.
  • - Maintenance of compatible two-stroke, TLDI and four-stroke outboards.
  • - Freshwater and saltwater outboard operation.

Signs the Water Pump Impeller Needs Replacing

  • - Weak or intermittent tell-tale water flow.
  • - Engine overheating.
  • - Cracked, hardened or missing impeller blades.
  • - Excessive blade deformation.
  • - Impeller hub deterioration.
  • - Damaged blades discovered during servicing.
  • - Cooling-water circulation problems traced to the pump.

Shipping

Ships Australia-wide