Water Pump Impeller Kit 5001595 – Fits Johnson/Evinrude 75-250 HP (Replaces 435929, 777802)

Water Pump Impeller Kit 5001595 – Fits Johnson/Evinrude 75-250 HP

This comprehensive water pump repair kit is designed for a wide range of Johnson and Evinrude V4, V6, and V8 outboard engines from 75 to 250 HP (1993-2009), including E-TEC models. It provides a direct-fit replacement solution to restore your engine's cooling system performance.

This kit directly replaces Johnson/Evinrude part numbers 5001595, 435929, and 777802, as well as aftermarket equivalents like Sierra 18-3315-2, Mallory 9-48200, and GLM 12000.

• Includes the complete impeller housing with a durable stainless steel liner.
• All required gaskets, seals, and hardware are provided for a full service.
• Kit comes with installation instructions and a tube of gear lube.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson & Evinrude Serial Number Guide.

Technical Specifications

Package Contents

• 1 x Impeller Housing Cup (0338486)
• 1 x Impeller Housing Cover (0338893)
• 1 x Impeller & CAM Assembly (5001593)
• 1 x Plate (0338485)
• 1 x Impeller Housing to Plate Seal (0331353)
• 1 x Impeller Housing Plate Gasket (0338484)
• 1 x Impeller Key (0331107)
• 1 x Water tube to exhaust Housing Grommet (0314008)
• 1 x Grommet (0320943)
• 1 x Grommet (0338601)
• 1 x O-Ring (0331188)
• 1 x Spacer to Impeller O-Ring (5" Longer Model) (0302035)
• 1 x Screw (0306643)
• 1 x Impeller Housing to gearcase - Y Screw (0302325)
• 1 x Gear lube (included with kit)
• 1 x Instructions (included with kit)

Installation Guide

1. Disconnect the battery and shift the outboard into neutral.
2. Remove the propeller from the propeller shaft.
3. Drain the gearcase lubricant by removing the upper and lower drain screws.
4. Unbolt and carefully lower the gearcase (lower unit) from the engine's driveshaft housing.
5. Remove the bolts securing the old water pump housing to the gearcase.
6. Lift off the old housing and remove the impeller, wear plate, gaskets, and seals.
7. Thoroughly clean the mating surfaces on the gearcase and driveshaft.
8. Install the new gaskets, wear plate, and key onto the driveshaft.
9. Coat the new housing interior with a thin layer of soapy water and slide the new impeller onto the driveshaft, turning the shaft clockwise to seat the vanes correctly.
10. Press the new housing down over the impeller while aligning the bolt holes. Tighten the bolts to the manufacturer's specified torque.
11. Reinstall the lower unit, ensuring the driveshaft, shift shaft, and water tube are correctly aligned.
12. Refill the gearcase with fresh marine gear lube before testing.

Troubleshooting & FAQ

How do I confirm this kit fits my specific engine?
The best way is to match your engine's model, horsepower, and year to the detailed compatibility chart above. This kit fits a very broad range of Johnson/Evinrude outboards from 75-250 HP built between 1993 and 2009, but checking your exact model is crucial for a guaranteed fit.

What are the signs of a failing water pump impeller?
Common symptoms include the engine overheating, especially at idle or low speeds, and a weak or non-existent water stream from the "tell-tale" outlet on the motor. A brittle or cracked impeller discovered during routine maintenance is also a clear sign for replacement.

How often should I replace the water pump kit?
For optimal reliability, it is recommended to inspect the impeller annually and replace the entire water pump kit every 1-2 years or 100-200 hours of use. This interval can be shorter if you frequently operate in sandy or silty water.

Does this kit include the housing?
Yes, this is a complete repair kit. It includes the impeller, the upper housing with a stainless steel liner, the lower plate, and all necessary gaskets, o-rings, and hardware for a full replacement.

OEM vs. Aftermarket?
This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

How fast do you ship and how much does it cost?
We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

What is your warranty and return policy?
This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.