2-Stroke Water Pump Repair Kit with Housing for Mercury Mariner Outboards – Reference 46-96148A8

Product Details

This aftermarket 2-stroke water pump repair kit with housing is designed for selected Mercury and Mariner outboards from 65 HP through 225 HP. It is intended to service the water pump assembly on listed applications and includes a replacement water pump housing together with the service components supplied for the application.

This listing covers the Mercury and Mariner models listed below. Confirm the exact model, horsepower, cylinder configuration, and serial-number range of your outboard before ordering, because water pump components can vary between otherwise similar engines.

• 2-stroke water pump service kit with housing.
• For selected Mercury and Mariner outboards from 65 HP to 225 HP.
• Aftermarket replacement intended for the listed water pump applications.
• Compare the existing housing, impeller, and related components with the product image before installation.

Reference Numbers

The following manufacturer and aftermarket reference numbers are listed for identification and cross-reference purposes. They are not the internal product identifier for this listing.

Mercury and Mariner Outboard Compatibility

Use the following application list as a starting point, then verify the full model designation and serial number against your engine service information.

Technical Specifications

Product type

2-stroke water pump service kit with housing

Application

Selected Mercury and Mariner outboards

Rated horsepower range

65 HP to 225 HP, subject to the specific application list

Housing included

Yes; supplied as part of the water pump service kit

Product status

Aftermarket replacement

Engine type

2-stroke outboard applications

What's in the Box

• Water pump housing
• Water pump service components supplied for the listed application

Component styles and exact quantities can vary by application. Match the existing water pump assembly and the product image before ordering.

Installation Notes

1. Disconnect the battery, stop the engine, and allow all components to cool before beginning work.
2. Support the outboard securely and remove the lower unit according to the manufacturer's service instructions.
3. Remove the existing water pump components and note the orientation of the impeller, housing, gaskets, and related parts.
4. Clean the mating surfaces and inspect the pump base, driveshaft, water tube, and fasteners for wear or damage.
5. Install the replacement housing and supplied service components in the correct order for your exact engine model.
6. Use the manufacturer's specified sealants, lubricants, clearances, and fastener torque values.
7. Reinstall the lower unit, refill any drained lubricant as required, and confirm that the water tube and shift mechanism are correctly aligned.
8. Test the cooling system with an appropriate water supply and check for a strong tell-tale stream and any leaks.

Troubleshooting and FAQ

Safety and Important Information

• Verify the exact engine model, horsepower, configuration, and serial number before purchase.
• Do not operate an engine that is overheating or has inadequate cooling-water flow.
• Follow the manufacturer's service manual for disassembly, torque values, lubrication, and testing.
• Professional installation is recommended if you are not familiar with outboard lower-unit and water-pump service.
• This is an aftermarket replacement and is not manufactured by Mercury Marine or Mariner.

About Sea Sierra

• Marine Replacement Parts — We supply aftermarket components for selected marine applications.
• Application-Focused Listings — Product information is organized around engine model and service requirements.
• Support Before Installation — Compare your original component and application details before ordering or fitting a replacement.