Mercury Nissan Tohatsu Water Pump Impeller with Key 47-161541 for 25-40 HP EFI Outboard
Mercury Nissan Tohatsu Water Pump Impeller with Key 47-161541 for 25-40 HP EFI Outboard
Product Overview
Water pump impeller with integrated key for Mercury and Nissan Tohatsu four-stroke outboards from 25 HP to 40 HP. It measures 44 mm external diameter, 20 mm high with a 17 mm shaft, and is moulded from neoprene with a reinforced nylon hub. It replaces Mercury 47-161541 and 47-16154-1, Nissan Tohatsu 345-65021-0 and 3R0-65021-0, plus Sierra 18-8923, AMIC 777-345 and CEF 500382. Fits the 25, 30, 35 and 40 HP four-stroke EFI motors, where the older impeller design and the EFI version are not interchangeable.
Specifications & Attributes
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Water Pump Impeller with Key |
| Engine Type | Mercury Mariner, Nissan Tohatsu 4-stroke outboard |
| Horsepower Range | 25-40 HP |
| Material | Neoprene with nylon hub |
| External Diameter | 44 mm (1.73 in) |
| Height | 20 mm (0.79 in) |
| Internal Shaft Diameter | 17 mm (0.67 in) |
| Packaging | 15 x 18 x 3 cm (5.9 x 7.1 x 1.2 in) |
OEM Cross Reference
| Brand | OEM Part Numbers |
|---|---|
| Mercury | 47-161541, 47-16154-1 |
| Nissan Tohatsu | 345-65021-0, 345650210, 345650210M |
| Nissan Tohatsu — alt | 3R0-65021-0, 3R0650210, 3R0650210M |
| Sierra | 18-8923 |
| AMIC | 777-345 |
| CEF | 500382 |
Compatible Engines
Fits the following four-stroke EFI outboards:
| Brand | Horsepower | Models |
|---|---|---|
| Mercury / Mariner | 25, 30, 35, 40 HP | Four-stroke EFI |
| Mercury / Mariner | 25, 30 HP | Four-stroke EFI 25/30 |
| Nissan / Tohatsu | 25, 30, 35, 40 HP | Four-stroke |
| Force | 25, 30, 35, 40 HP | Four-stroke |
What's Included
| Component | Qty |
|---|---|
| Water Pump Impeller with Key | 1 |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | Standard |
| Packaging | Sealed retail packaging |
Before You Buy
- Verify your engine model or serial number before ordering
- Fits Mercury Mariner, Nissan Tohatsu and Force 25-40 HP four-strokes
- Designed for the four-stroke EFI models — check against your old impeller shape
- Impeller measures 44 mm external diameter with a 17 mm shaft
- Lubricate the impeller with soapy water before fitting
- 30-Day Easy Returns
- Free Worldwide Shipping
- OEM Quality Without the Markup
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Boat Owners' Review
Before You Buy
Frequently Asked Questions
What is your refund policy?
We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.
See our full Refund Policy for complete details.
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See our full Shipping Policy.
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