Water Pump Repair Kit Without Housing for Mercury/Mariner 40–300 HP – Replaces 47-43026Q06
Water Pump Repair Kit Without Housing for Mercury/Mariner 40–300 HP – Replaces 47-43026Q06 is backordered and will ship as soon as it is back in stock.
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Water Pump Repair Kit Without Housing for Mercury/Mariner 40–300 HP...
Water Pump Repair Kit Without Housing for Mercury/Mariner 40–300 HP – Replaces 47-43026Q06 is backordered and will ship as soon as it is back in stock.
Product Details
This Water Pump Repair Kit Without Housing is an aftermarket service kit for selected Mercury and Mariner outboard water-pump applications. It is supplied without the water-pump housing and is intended to replace worn internal water-pump service components when the existing housing remains serviceable.
The listed applications cover selected Mercury/Mariner 2-stroke models from 60 to 225 HP and selected 4-stroke models from 40 to 300 HP, including Bigfoot, Optimax, and Verado configurations. Model, engine type, and serial-number conditions must be checked before ordering.
- Water-pump repair kit supplied without the pump housing.
- For selected Mercury and Mariner outboard applications.
- Suitable for listed 2-stroke and 4-stroke service applications.
- Aftermarket replacement; not manufactured by Mercury Marine.
Part Number Matrix
The following manufacturer and aftermarket numbers are listed as reference numbers for this repair-kit application. They are not the internal product identifier.
| Brand | Reference Number |
|---|---|
| Mercury Marine | 47-8M0100526 |
| Mercury Marine | 47-8M0100527 |
| Mercury Marine | 47-43026Q06 |
| Mercury Marine | 47-43026Q5 |
| Mercury Marine | 47-43026T6 |
| Mercury Marine | 47-43026T7 |
| Mercury Marine | 47-43026T8 |
| Mercury Marine | 47-43026T10 |
| Mercury Marine | 47-43026T11 |
| Chrysler Force | 47-43024A7, 47-43024A4, 47-43024A5, 47-43024A6, 47-43024T9 |
| GLM Marine | 12043 |
| Sierra Marine | 18-3214, 18-3265 |
| Mallory Marine | 9-48313 |
| Honda | 19021-ZW1-003, 06192-ZW1-305 |
Engine & Model Compatibility
Compatibility is application-specific. Keep the engine family, horsepower, stroke, model configuration, and serial-number range together when confirming fitment. The following applications are listed by the product source.
Mercury/Mariner 2-Stroke Applications
| Brand | Model or Configuration | Rated HP | Stroke | Application Notes |
|---|---|---|---|---|
| Mercury/Mariner | Bigfoot, 3-cylinder | 60 | 2-Stroke | Bigfoot application |
| Mercury/Mariner | Jet | 65 | 2-Stroke | Jet application |
| Mercury/Mariner | 3-cylinder | 70–90 | 2-Stroke | Includes listed 70, 75, 80, and 90 HP applications |
| Mercury/Mariner | 3-cylinder Optimax | 75, 115 | 2-Stroke | Optimax applications |
| Mercury/Mariner | Jet | 80 | 2-Stroke | Jet application |
| Mercury/Mariner | 4-cylinder | 100–125 | 2-Stroke | Listed 4-cylinder applications |
| Mercury/Mariner | V-200 EFI/DFI, 3.0 L | 200 | 2-Stroke | EFI/DFI configuration |
| Mercury/Mariner | V-225 Carbureted or EFI, 3.0 L | 225 | 2-Stroke | Carbureted and EFI configurations |
Mercury/Mariner 4-Stroke Applications
| Brand | Model or Configuration | Rated HP | Stroke | Application Notes |
|---|---|---|---|---|
| Mercury/Mariner | Carbureted Bigfoot, 4-cylinder | 40 | 4-Stroke | Bigfoot configuration |
| Mercury/Mariner | Bodensee Bigfoot, 4-cylinder | 45 | 4-Stroke | Bigfoot configuration |
| Mercury/Mariner | Bigfoot, carbureted or EFI, 996 cc | 50–60 | 4-Stroke | Listed 50 and 60 HP configurations |
| Mercury/Mariner | Outboard, 1596 cc or 1731 cc | 75–90 | 4-Stroke | Listed 75 and 90 HP applications |
| Mercury/Mariner | Outboard, 1741 cc or 1731 cc | 115 | 4-Stroke | Listed 115 HP applications |
| Mercury/Mariner | 4-cylinder Verado | 135–200 | 4-Stroke | Listed 135, 150, 175, and 200 HP configurations |
| Mercury/Mariner | 6-cylinder Verado | 200–300 | 4-Stroke | Listed 200, 225, 250, 275, and 300 HP configurations |
Horsepower ranges alone do not confirm compatibility. Compare the complete engine model and serial information with your existing water-pump components before installation.
Technical Specifications
- Product Type
- Water pump repair kit
- Housing
- Not included
- Application
- Selected Mercury/Mariner 2-stroke and 4-stroke outboards
- Installation
- Replacement service installation using the existing pump housing when suitable
- Product Status
- Aftermarket replacement
What’s in the Box
- 1 x Water pump repair kit for the listed applications
- Water-pump housing not included
Component contents and quantities should be compared with the service requirements of your exact engine application before installation. This listing does not include a complete water-pump housing assembly.
Installation Notes
- Disconnect the battery and make sure the engine is stopped and cool.
- Support the engine and remove the lower unit according to the applicable manufacturer service procedure.
- Remove the water-pump cover and inspect the existing housing, wear surfaces, drive key, and water passages.
- Remove the worn service components and clean all mating surfaces thoroughly.
- Install the supplied repair-kit components in the correct order for your engine model.
- Confirm that the impeller is seated correctly and that the blades follow the normal direction of rotation.
- Reinstall the existing pump housing only if it is suitable for reuse and free from excessive wear or damage.
- Reinstall the lower unit, ensuring correct alignment of the driveshaft, shift shaft, and water tube.
- Follow the manufacturer’s torque specifications and refill the gearcase lubricant as required.
- Run the engine with an appropriate water supply and verify a strong tell-tale stream before returning the boat to service.
Use the service manual for the exact engine model. If the existing housing is damaged or excessively worn, a separate housing or complete water-pump assembly may be required.
Troubleshooting & FAQ
Does this repair kit include the water-pump housing?
No. This product is supplied without the water-pump housing. The existing housing must be inspected and suitable for reuse, or replaced separately if damaged or worn.
Is this kit for both 2-stroke and 4-stroke engines?
Yes, the listed product applications include selected Mercury/Mariner 2-stroke engines from 60 to 225 HP and selected 4-stroke engines from 40 to 300 HP. The exact model and configuration must match the application list.
Will this kit fit every Mercury or Mariner engine within the horsepower range?
No. Horsepower is only one fitment condition. Engine family, stroke, configuration, model details, and serial-number information can change the required water-pump parts. Confirm all available identification details before ordering.
Is this an OEM Mercury Marine part?
No. This is an aftermarket replacement repair kit. The manufacturer and aftermarket numbers shown above are reference numbers used to help identify the intended application.
What are common signs that a water-pump service is needed?
Possible signs include a weak or missing tell-tale stream, overheating warnings, reduced cooling performance, or visibly damaged, brittle, or worn pump components. Stop operating an overheating engine and diagnose the cooling system before further use.
How often should a water-pump impeller be serviced?
Service intervals depend on the engine manufacturer’s recommendations, operating hours, storage conditions, and exposure to saltwater, sand, or silt. Inspect and replace service components according to the applicable engine service schedule.
Safety & Important Information
- Verify the complete engine model, stroke, configuration, and serial information before purchase.
- Compare the replacement parts with the original components before installation.
- The water-pump housing is not included.
- Do not operate an engine that is overheating or lacks a proper cooling-water stream.
- Professional installation is recommended when lower-unit removal or cooling-system diagnosis is required.
About Sea Sierra
- Marine Replacement Parts — Practical aftermarket components for routine service and repair applications.
- Application-Focused Fitment — Product information is organized around engine family, horsepower, stroke, and configuration.
- Service Support — Always verify the exact engine application and installation requirements before ordering.
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