4-Stroke Water Pump Service Kit with Housing for Mercury Mariner 40–115 HP – Replaces 46-43024A7 and 46-8M0113799
4-Stroke Water Pump Service Kit with Housing for Mercury Mariner 40–115 HP – Replaces 46-43024A7 and 46-8M0113799 is backordered and will ship as soon as it is back in stock.
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4-Stroke Water Pump Service Kit with Housing for Mercury Mariner 40–115 HP – Replaces 46-43024A7 and 46-8M0113799 is backordered and will ship as soon as it is back in stock.
Product Details
This is a 4-stroke water pump service kit with housing for selected Mercury and Mariner outboard engines. It is intended to service the water pump assembly and replace the existing pump housing and related service components where the listed model and engine details match.
The product is listed for Mercury Mariner 40–115 HP applications, including Bigfoot, carbureted, EFI, Bodensee, and specified 1,596 cc, 1,731 cc, 996 cc, and 1,741 cc configurations. Always compare the complete engine model and serial number with your original equipment before ordering.
- 4-stroke water pump service kit with housing.
- Designed for selected Mercury and Mariner outboard applications.
- Aftermarket references include GLM Marine 12094 and Sierra Marine 18-3214.
Part Number Matrix
The following references are associated with this service kit. Reference numbers are provided for identification and should not be treated as confirmation for every engine configuration.
| Brand | Part Number | Reference Type |
|---|---|---|
| Mercury / Mariner | 46-43024A7 | OEM reference |
| Mercury / Mariner | 46-8M0113799 | OEM reference |
| Mercury / Mariner | 43024A5, 43024A6, 43026T9, 46-43024A09 | Additional listed OEM references |
| GLM Marine | 12094 | Aftermarket reference |
| Sierra Marine | 18-3214 | Aftermarket reference |
| Honda | 19021-ZW1-003 | Additional listed reference; confirm application separately |
Engine & Model Compatibility
Fitment below follows this listing. Mercury and Mariner model families can use different pump assemblies across years and serial ranges, so verify the full model designation and serial number before installation.
| Brand | Engine / Configuration | Rated HP | Stroke | Application Details |
|---|---|---|---|---|
| Mercury / Mariner | Bigfoot, 4-cylinder carbureted | 40 | 4-Stroke | Bigfoot application |
| Mercury / Mariner | Bodensee, 4-cylinder Bigfoot | 45 | 4-Stroke | Bodensee Bigfoot application |
| Mercury / Mariner | Bigfoot; carbureted or EFI, 996 cc | 50 | 4-Stroke | Includes listed carbureted, EFI, and Bigfoot configurations |
| Mercury / Mariner | Bigfoot; carbureted or EFI, 996 cc | 60 | 4-Stroke | Includes listed carbureted, EFI, and Bigfoot configurations |
| Mercury / Mariner | 1,596 cc or 1,731 cc | 75 | 4-Stroke | Use the engine model and serial number to confirm |
| Mercury / Mariner | 1,596 cc or 1,731 cc | 90 | 4-Stroke | Use the engine model and serial number to confirm |
| Mercury / Mariner | 1,741 cc or 1,731 cc | 115 | 4-Stroke | Use the engine model and serial number to confirm |
Technical Specs
- Product Type
- 4-stroke water pump service kit with housing
- Application
- Selected Mercury and Mariner outboard engines
- Rated Horsepower Range
- 40–115 HP, subject to the specific engine configuration
- Stroke
- 4-Stroke
- Installation
- Replacement service installation; follow the engine manufacturer’s service procedures
- Aftermarket References
- GLM Marine 12094; Sierra Marine 18-3214
What’s in the Box
This product is a water pump service kit with housing. This listing does not provide a definitive item-by-item package quantity, so compare the supplied components with the original pump assembly before installation.
Installation Notes
- Confirm the complete engine model, horsepower, stroke, and serial number before beginning work.
- Disconnect the battery and follow the engine manufacturer’s safety procedures.
- Remove the lower unit according to the service manual for your exact engine.
- Disassemble the existing water pump assembly and inspect the driveshaft, water tube, pump plate, and mating surfaces.
- Clean the mating surfaces and install the replacement housing and service components supplied for the application.
- Reassemble the water pump and lower unit using the manufacturer’s specified tightening sequence and torque values.
- Verify that the driveshaft, shift shaft, and water tube are correctly aligned before securing the lower unit.
- Run the engine with an appropriate flushing device and confirm a steady cooling-water telltale stream before normal operation.
Troubleshooting & FAQ
How do I know if this kit fits my engine?
Check that your Mercury or Mariner engine is a listed 4-stroke application in the 40–115 HP range, then verify the exact model and serial number against the manufacturer’s parts information. Horsepower alone is not sufficient to confirm fitment.
What are the signs of a worn water pump?
A weak or missing telltale stream, overheating warnings, or visible deterioration of the existing pump components can indicate that the water pump requires service. Diagnose the cooling system before replacing parts.
Does this product include the water pump housing?
Yes. This listing identifies it as a 4-stroke water pump service kit with housing.
Is this an OEM part?
This listing is for an aftermarket service kit. The OEM numbers shown in the reference table are compatibility and identification references, not a statement that the supplied kit is manufactured by Mercury, Mariner, or Honda.
Do the reference numbers guarantee interchangeability?
No. Reference numbers can apply to different model, year, serial-number, or configuration ranges. Confirm the complete engine application and compare the original pump assembly before ordering.
Safety & Important Info
- Use the exact model and serial number to confirm fitment before purchase.
- Do not rely on horsepower alone when selecting a water pump service kit.
- Follow the manufacturer’s service manual for lower-unit removal, installation, and torque specifications.
- Professional installation is recommended if you are not familiar with outboard lower-unit or water-pump service.
About Sea Sierra
- Marine Parts Selection — Replacement components for common outboard service requirements.
- Application-Focused Listings — Product descriptions are organized around engine model and part-reference information.
- Service Support — Verify your engine details and original component before ordering or installing.
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