









This impeller fits a variety of small, portable outboard engines:
| Manufacturer | Horsepower (HP) Range | Engine Type |
| Tohatsu/Nissan | 2HP up to 6HP | 2-Stroke & 4-Stroke models |
| Mercury/Mariner | 2HP up to 6HP | 2-Stroke & 4-Stroke models (typically with a black leg) |
Common Compatible Tohatsu/Nissan Models:
2-Stroke: M3.5B2, M4C, M5B, M2.5A2, M3.5A2.
4-Stroke: MFS2C, MFS2.5C, MFS3.5C, MFS4C, MFS5C, MFS6C.
The impeller is a 6-blade, flexible design made of neoprene or a similar robust marine rubber.
Number of Blades: 6
Outer Diameter (OD): ~33.6mm
Impeller Height/Depth (H): ~14.35mm
Shaft/Hub Diameter (ID): ~10.4mm
This part is widely cross-referenced with other manufacturer and aftermarket numbers:
Tohatsu/Nissan: 369-65021-1M, 369-65021-0
Mercury/Mariner: 47-16154-3, 47-16154, 47-8M0204676
Sierra: 18-3098
OMC/Evinrude/Johnson: 5040180 (Older BRP reference)
| Item Part Number | 369-65021-1 | |
| Part | Water Pump Impeller | |
| Fitment | 3 5B2 MODEL ONLY GEAR CASE DRIVE SHAFT Nissan 2 5hp — 2003 Nissan 3 5hp — 2003 Tohatsu 2 5hp — 2003 Tohatsu 3 5hp — 2003 ASSEMBLY KIT Nissan 2 5hp — 2009 , 2010 Nissan 2hp — 2007 , 2008 , 2009 Nissan 3 5hp — 2004 , 2005 , 2009 , 2010 Nissan 4hp — 2006 , 2007 , 2008 , 2009 Nissan 5hp — 2003 , 2009 Nissan 6hp — 2002 , 2007 , 2008 , 2009 Tohatsu 2 5hp — 2009 Tohatsu 2hp — 2009 Tohatsu 3 5hp — 2004 , 2008 , 2009 Tohatsu 4hp — 2002 , 2006 , 2008 , 2009 Tohatsu 5hp — 2002 , 2003 , 2005 , 2008 Tohatsu 6hp — 2002 | ASSEMBLY KIT PARTS Tohatsu 2 5hp — 2012 , 2013 , 2015 , 2018 , 2019 , 2020 Tohatsu 3 5hp — 2012 , 2013 , 2015 , 2019 , 2020 , 2021 , 2022 Tohatsu 4hp — 2012 , 2013 , 2014 , 2015 , 2016 , 2017 , 2018 , 2019 Tohatsu 5hp — 2012 , 2013 , 2014 , 2015 , 2017 , 2020 , 2021 Tohatsu 6hp — 2013 , 2014 , 2016 , 2017 , 2018 , 2020 , 2022 ASSEMBLY KITS Nissan 2 5hp — 2003 , 2006 Nissan 2hp — 2006 Nissan 3 5hp — 2003 , 2006 Nissan 4hp — 2005 Nissan 5hp — 2005 Nissan 6hp — 2005 Tohatsu 2 5hp — 2003 , 2006 Tohatsu 3 5hp — 2003 , 2006 Tohatsu 4hp — 2005 Tohatsu 5hp — 2005 Tohatsu 6hp — 2005 |
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| Brand | Unbranded |
|---|---|
| Sub-Type | Water Pump Impeller |
| Manufacturer Part Number | 369-65021-1 |
| Unit Quantity | 1SET=2PCS |
| Tohatsu/Nissan/Mercury/Mariner | 2HP up to 6HP 2-Stroke & 4-Stroke models |
| Tohatsu/Nissan OEM Numbers: | 369-65021-1M, 369-65021-0 |
| Country/Region of Manufacture | Taiwan |
| Number of Blades: | 6 |
| Tohatsu/Nissan 2-Stroke Models | M3.5B2, M4C, M5B, M2.5A2, M3.5A2 |
| Tohatsu/Nissan 4-Stroke Models | MFS2C, MFS2.5C, MFS3.5C, MFS4C, MFS5C, MFS6C. |
| Mercury/Mariner: | 47-16154-3, 47-16154, 47-8M0204676 |
| OMC/Evinrude/Johnson: | 5040180 |

