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Water Pump Impeller Repair Kit for DT15 DT20 DT25 DT30 DT35 DT40 Outboard
Water Pump Impeller Repair Kit for DT15 DT20 DT25 DT30 DT35 DT40 Outboard
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Product Overview
This water pump impeller repair kit is designed as a replacement cooling system service kit for compatible DT 15HP, 20HP, 25HP, 30HP, 35HP, and 40HP outboard motors.
It replaces part numbers 17400-96400, 17400-96401, 17400-96402, 17400-96404, and Sierra 18-3242. The water pump impeller helps circulate cooling water through the outboard engine to maintain proper operating temperature during marine use.
A worn, cracked, or damaged impeller may cause weak water flow, overheating, poor cooling performance, or possible engine damage. This repair kit is suitable for routine outboard cooling system maintenance or replacing worn water pump components.
Please compare the part number, impeller inner diameter, gasket shape, housing design, and product photos with your original parts before ordering.
Product Compatibility
| Compatible Model / HP | Application |
|---|---|
| DT15 / 15HP | Outboard water pump repair |
| DT20 / 20HP | Cooling system impeller replacement |
| DT25 / 25HP | Water pump service kit replacement |
| DT30 / 30HP | Compatible when part number matches |
| DT35 / 35HP | Outboard cooling system maintenance |
| DT40 / 40HP | Water pump impeller repair |
⚠️ Please confirm your original part number matches 17400-96400, 17400-96401, 17400-96402, 17400-96404, or Sierra 18-3242 before purchase.
Specifications
| Item | Details |
| Product Type | Water Pump Impeller Repair Kit |
| Replacement Part Numbers | 17400-96400 / 17400-96401 / 17400-96402 / 17400-96404 |
| Cross Reference | Sierra 18-3242 |
| Compatible Models | DT15 / DT20 / DT25 / DT30 / DT35 / DT40 |
| Compatible Horsepower | 15HP / 20HP / 25HP / 30HP / 35HP / 40HP |
| Impeller Inner Diameter | 17mm / 0.66" |
| Application | Outboard cooling water pump repair |
| Condition | 100% Brand New |
Key Features
- Water pump impeller repair kit for compatible DT 15HP-40HP outboard motors
- Replaces 17400-96400, 17400-96401, 17400-96402, 17400-96404, and Sierra 18-3242
- Helps restore cooling water flow and reduce overheating risk
- Suitable for routine outboard water pump maintenance
- Built for durability and long service life in marine operating conditions
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Fitment FAQ
Will this part fit my specific model and year?
This water pump impeller repair kit may fit compatible DT 15HP, 20HP, 25HP, 30HP, 35HP, and 40HP outboard motors. Fitment depends on the original part number, impeller size, gasket shape, and water pump housing design rather than horsepower alone.
Do I need to match the OEM part number?
Yes. For this water pump repair kit, matching the part number is strongly recommended. Please confirm your original part number matches 17400-96400, 17400-96401, 17400-96402, 17400-96404, or Sierra 18-3242 before ordering.
What models or situations does this part not fit?
This kit may not fit DF series outboard motors, different horsepower applications, or water pump systems with a different impeller inner diameter, gasket shape, housing design, or part number. It is not recommended if your original part number does not match.
What should I check before ordering?
Before ordering, check your outboard model, horsepower, original part number, impeller inner diameter, gasket shape, water pump housing design, and product photos. Make sure your original water pump components match this repair kit.