Water Pump Kit for MerCruiser Bravo Sterndrives – Replaces 46-807151A14 and 46-807151A7
Water Pump Kit for MerCruiser Bravo Sterndrives – Replaces 46-807151A14 and 46-807151A7 is backordered and will ship as soon as it is back in stock.
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Water Pump Kit for MerCruiser Bravo Sterndrives – Replaces 46-80715...
Water Pump Kit for MerCruiser Bravo Sterndrives – Replaces 46-807151A14 and 46-807151A7 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket water pump kit is designed for MerCruiser Bravo sterndrive applications and replaces Mercury references 46-807151A14 and 46-807151A7. The kit is intended for service of the Bravo seawater pump and includes the wear plates, impeller, body gasket, and water pump gasket listed below.
Use the original pump and part number references to confirm compatibility before ordering. The catalog relationship for this kit identifies the application as MerCruiser Bravo; it does not establish fitment for every MerCruiser inboard engine, TRS sterndrive, Alpha application, or every housing configuration.
- Replacement water pump service kit for MerCruiser Bravo applications.
- Includes an impeller, two wear plates, a body gasket, and a water pump gasket.
- Use the listed OEM references and the original component configuration when confirming fitment.
Part Number Matrix
These references are provided for identification and replacement lookup. A number appearing in a catalog does not by itself confirm fitment for every engine configuration.
| Brand or Reference | Part Number | Role |
|---|---|---|
| Mercury | 46-807151A14 | Replacement reference |
| Mercury | 46-807151A7 | Replacement reference |
| Aftermarket kit reference | 18-3150 | Water pump kit reference |
Compatibility
The available catalog listing identifies this water pump kit for MerCruiser Bravo applications. Confirm the engine and drive configuration, original pump design, and original part number before installation.
| Brand | Application | Confirmed Reference | Fitment Note |
|---|---|---|---|
| MerCruiser | Bravo sterndrive | 46-807151A14 | Catalog-listed replacement application; verify the complete configuration before ordering. |
| MerCruiser | Bravo sterndrive | 46-807151A7 | Catalog-listed replacement application; verify the complete configuration before ordering. |
Technical Specifications
- Product Type
- Water pump service kit
- Application
- MerCruiser Bravo sterndrive applications
- Kit Reference
- 18-3150
- OEM Replacement References
- 46-807151A14 and 46-807151A7
- Housing or Pump Assembly
- Not included as a complete pump housing assembly; verify the existing pump body and housing before ordering.
What's in the Box
- 1 x Wear Plate, reference 94576
- 1 x Wear Plate, reference 94916
- 1 x Impeller, reference 47-59362
- 2 x Body Gasket, reference 27-94914
- 1 x Water Pump Gasket, reference 27-805215-1
Important: This is a service kit, not a complete water pump assembly. The available kit listing does not include a pump housing, mounting screws, washers, O-rings, or a complete assembled pump.
Installation Notes
- Disconnect the battery and close the raw-water intake seacock before beginning service.
- Remove the existing pump components according to the engine and drive manufacturer's service procedure.
- Record the order and orientation of the existing wear plates, impeller, and gaskets before removal.
- Clean the mating surfaces and pump cavity, removing debris and old gasket material without damaging the sealing surfaces.
- Compare the replacement components with the removed parts and confirm that the pump configuration matches the Bravo application.
- Install the wear plates, impeller, body gasket, and water pump gasket in the correct positions. Lubricate the impeller only with a lubricant approved for marine water-pump service.
- Reassemble the pump using the manufacturer's specified tightening sequence and torque values. Do not reuse damaged fasteners or sealing components.
- Reopen the raw-water intake, reconnect the battery, start the engine, and inspect the pump and hose connections for leaks.
- Stop the engine immediately if the pump does not prime, leaks, or shows signs of overheating.
Troubleshooting & FAQ
How do I confirm that this kit fits my engine?
Confirm that your application uses a MerCruiser Bravo seawater pump and that the original pump or service record references 46-807151A14 or 46-807151A7. Also compare the existing pump configuration and all included components before ordering. Model name alone is not sufficient for final fitment confirmation.
Is this a complete water pump assembly?
No. This listing is a service kit containing the wear plates, impeller, body gasket, and water pump gasket. The pump housing or complete assembled pump is not included.
Does this kit fit Alpha or TRS applications?
The available catalog listing identifies the kit for Bravo applications only. Do not assume Alpha, TRS, inboard, or other MerCruiser fitment without matching the original part number and pump configuration.
What are common signs of a worn seawater pump?
Possible symptoms include reduced cooling-water flow, higher-than-normal operating temperature, overheating, visible leakage near the pump, or damaged and worn impeller or wear-plate surfaces. Diagnose the complete cooling system before replacing parts.
How often should the impeller be replaced?
Inspect the impeller and related sealing surfaces during scheduled marine cooling-system service. Replacement intervals depend on operating hours, storage conditions, water quality, and the engine manufacturer's recommendations.
Is this an OEM part?
This listing is for an aftermarket replacement service kit, not a Mercury-branded OEM component. The Mercury numbers are provided as replacement references.
Safety & Important Information
- Verify the original part number, Bravo configuration, component dimensions, and pump layout before purchase and installation.
- Disconnect the battery and close the raw-water intake before servicing the pump.
- Use the manufacturer's service instructions and torque specifications for your specific engine.
- Professional installation is recommended when the pump configuration or application is uncertain.
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