5001595 Water Pump Repair Kit for Johnson Evinrude | JLM Marine

Water Pump Repair Kit for Johnson Evinrude Outboards – 120-140 HP

This comprehensive water pump repair kit is engineered for Johnson and Evinrude outboard engines from 120 HP to 140 HP (1993–2001). It includes essential cooling and fuel system components to restore optimal engine performance and prevent overheating or fuel delivery issues.

This kit directly replaces OEM part number 5001595 and provides a complete maintenance solution with water pump components, thermostats, fuel filter, anodes, and drain screw gaskets—everything needed for a thorough service interval.

• Complete kit with water pump repair components, dual thermostats with gaskets, fuel filter, and sacrificial anodes
• Covers critical cooling and fuel system maintenance in one package
• Designed for mid-range Johnson/Evinrude V4 and V6 outboards from the 1990s–2000s

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

This complete service kit includes the following components:

• 435929 / 5001595 – Water Pump Repair Kit × 1
• 436195 – Thermostat × 2
• 329830 – Thermostat Gasket × 2
• 398319 – Fuel Filter × 1
• 436745 – Anode × 1
• 433580 – Anode × 1
• 311598 – Drain Screw Gasket × 2
• 24OP149 – Gear Oil Pump × 1

Installation Guide

1. Preparation: Disconnect the battery and flush the engine with fresh water. Remove the lower unit according to your service manual.
2. Access the Water Pump: Unbolt and remove the old water pump housing from the mid-section. Carefully extract the impeller and inspect the housing for scoring or corrosion.
3. Install New Water Pump Components: Lubricate the new impeller with glycerin or soapy water, then install it with blades facing the correct rotation direction. Replace the pump housing, plate, and gaskets from the kit.
4. Replace Thermostats: Remove the thermostat covers on the cylinder head, discard old thermostats and gaskets, then install the two new thermostats (436195) with fresh gaskets (329830). Torque fasteners to specification.
5. Install Fuel Filter: Locate the inline fuel filter, release clamps, and replace with the new filter (398319). Ensure hose connections are secure and clamps are tight.
6. Replace Anodes: Remove old sacrificial anodes from the engine block and lower unit, clean threads, and install the two new anodes (436745 and 433580). Do not overtighten.
7. Drain Screw Gaskets: If servicing the gear case, replace the drain and vent plug gaskets (311598) to prevent leaks.
8. Gear Oil Service: Use the included gear oil pump (24OP149) to refill the lower unit with the manufacturer-recommended gear lube until oil appears at the vent hole.
9. Reassemble Lower Unit: Align the drive shaft and water tube, then bolt the lower unit back onto the mid-section. Torque all fasteners per service manual specifications.
10. Final Checks: Reconnect the battery, start the engine on a flushing adapter or in a test tank, and verify strong water flow from the telltale. Check for fuel or water leaks around all replaced components.
11. Test Run: Idle the engine for several minutes, monitoring temperature and cooling system function. Perform a brief on-water test to confirm full operational performance.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Johnson or Evinrude engine?
A: Check the compatibility table above for your engine's HP rating and year. Models from 120–140 HP manufactured between 1993–2001 (with F suffix for 1993–1994 units) are covered. Cross-reference your original part number (5001595) or consult your engine's service manual.

Q: How often should I replace the water pump and these components?
A: Water pump impellers should be replaced every 2–3 years or 200–300 hours of operation, whichever comes first. Thermostats, anodes, and fuel filters should be inspected annually and replaced as needed based on wear or contamination.

Q: What are the signs my water pump or thermostats are failing?
A: Common symptoms include weak or no water flow from the telltale, engine overheating, steam from the powerhead, reduced performance, or alarm activation. Low or inconsistent cooling flow indicates impeller failure or thermostat malfunction.

Q: Can I install this kit myself, or do I need a marine mechanic?
A: Experienced DIYers with proper tools and a service manual can complete this installation. However, professional installation is recommended if you're unfamiliar with lower unit removal or cooling system service to ensure correct assembly and torque specifications.

Q: Does this kit include the water pump housing, or just internal parts?
A: This kit (5001595) includes the water pump repair components—impeller, gaskets, seals, and wear plate. Verify your housing condition; if it's scored or damaged, you may need to source a housing separately.

Q: Is this an OEM part or aftermarket?
A: 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.

Q: How fast do you ship and how much does it cost?
A: 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.

Q: What is your warranty and return policy?
A: 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.