Supersedes 369-65021-0 • OEM Water Pump Impeller Keep your outboard running cool and reliable with the Genuine Tohatsu Water Pump Impeller 369-65021-1, replacing the earlier 369-65021-0. Manufactured to genuine OEM specifications, this premium impeller provides maximum cooling water flow, dependable engine cooling, and long service life. Replacing the impeller at the recommended service interval helps prevent overheating and protects your engine from costly damage. It is ideal for scheduled maintenance or complete water pump rebuilds.
Water Pump Impellers (Tohatsu)
Water Pump Impeller 369-65021-1
Brand: Tohatsu
SKU: 369-65021-1
$30.50
Key benefits
Dimensions
- Outside Diameter - 33.6 mm
- Inside Diameter - 10.25 mm
- Height - 14.3 mm
- Number of Blades - 6
- Material - Marine Grade Neoprene Rubber
- Drive Type - Key Drive
Key Benefits
- Genuine Tohatsu OEM replacement
- Direct replacement for 369-65021-0
- Premium marine-grade neoprene rubber
- Maximum cooling water flow
- Precision moulded for an exact OEM fit
- Suitable for freshwater and saltwater use
- Helps prevent overheating and engine damage
- Ideal for routine servicing and water pump rebuilds
Compatible Tohatsu Outboard Motors
- 2-Stroke Models
- M2.5A
- M2.5A2
- M3.5A
- M3.5A2
- M3.5B
- M3.5B2
- M4C
- M5B
- M5BS
- 4-Stroke Models
- MFS2A
- MFS2B
- MFS2C
- MFS2.5A
- MFS2.5B
- MFS2.5C
- MFS3.5A
- MFS3.5B
- MFS3.5C
- MFS4 (verify serial number)
- MFS5 (all variants)
- MFS6A2
- MFS6B
- MFS6C
- MFS6D
Compatible Mercury & Mariner Outboards (Tohatsu Manufactured)
- Suitable for many Japanese-built Mercury and Mariner outboards manufactured by Tohatsu, including
- Mercury
- 2HP (selected models)
- 2.5HP
- 3.3HP
- 3.5HP
- 4HP Four Stroke
- 5HP Two Stroke
- 5HP Four Stroke
- 6HP Four Stroke
- Mariner
- 2.5HP
- 3.3HP
- 3.5HP
- 4HP Four Stroke
- 5HP Two Stroke
- 5HP Four Stroke
- 6HP Four Stroke
- Important: Mercury and Mariner sourced engines from multiple manufacturers. Always verify your engine model and serial number before ordering.
Cross Reference Part Numbers
- Tohatsu 369-65021-1
- Tohatsu 369-65021-0
- Tohatsu 369-65021-2
- Mercury 47-161543
- Mercury 47-16154-3
- Mercury 161543
- Sierra 18-3098
- Mallory 9-45302R
- CEF 500377
- Evinrude 5040180, 05040180
Signs Your Impeller Needs Replacing
- Weak or no tell-tale water stream
- Engine overheating
- High engine temperature alarm
- Reduced cooling water flow
- Impeller more than two years old
- Outboard stored for extended periods
- Water pump serviced during annual maintenance
Why Replace Your Water Pump Impeller?
- The water pump impeller is one of the most important service items on any outboard motor. As the rubber blades age, they harden, crack, or break apart, reducing cooling water flow. Replacing the impeller every 2–3 years or every 100 operating hours, or according to your manufacturer's recommended maintenance schedule, helps prevent overheating, protects internal engine components, and ensures dependable performance on the water.
Shipping
Ships Australia-wide