Fuel Pump – Fits Johnson/Evinrude 25–140 HP (Replaces 438559)

Fuel Pump – Fits Johnson/Evinrude 25–140 HP (Replaces 438559)

This fuel pump assembly is designed for a wide range of Johnson and Evinrude outboard motors from 25 to 140 HP, including both 2-stroke and 4-stroke engines manufactured between 1976 and 2001. It is a direct replacement for multiple OEM part numbers and is compatible with both Crossflow and Looper engine models.

This part is a direct replacement for Johnson/Evinrude part numbers: 438559, 433390, 398385, 395712, 385784, 398678, 395718, 395107, 394716, 393648, 388555, 383765, 382872, 382843, 381600, 765591, 438557, 0383765, and 0438559.

• Installation Type: External pulse-style pump that uses engine pulse for operation.
• Fuel Compatibility: Designed for use with standard gasoline/petrol.
• Complete Kit: Includes the fuel pump, gasket, filter, and clip for a full replacement.

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 Fuel Pump
• 1 x Gasket
• 1 x Fuel Filter
• 1 x Clip

Installation Guide

1. Safety First: Disconnect the battery and ensure the engine is cool. Work in a well-ventilated area away from sparks or flames.
2. Relieve Fuel Pressure: Follow your engine's service manual to safely relieve pressure from the fuel system.
3. Locate and Disconnect: Identify the old fuel pump. Place a rag underneath to catch spills and carefully disconnect the inlet, outlet, and pulse fuel lines.
4. Remove Old Pump: Unbolt the old pump from the engine block. Note the orientation of the fittings.
5. Install New Pump: Clean the mounting surface and install the new pump using the supplied gasket. Secure the bolts evenly.
6. Reconnect Lines: Attach the fuel lines to the correct ports on the new pump and secure them with clamps.
7. Prime and Inspect: Reconnect the battery. Prime the fuel system according to your engine's manual and thoroughly inspect all connections for leaks before starting the engine.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?
A: The most reliable method is to match your original part number to the numbers in our cross-reference list. Additionally, review the "Compatible Engine Models" table to ensure your specific model, HP, and year range are listed. Pay close attention to notes, such as those regarding V4 and V6 engine types.

Q: My Johnson/Evinrude has a V6 engine. How many pumps do I need?
A: All V6 Crossflow models listed in the compatibility chart require two (2) of these fuel pumps for proper operation. You should replace both at the same time.

Q: What are the common signs of a failing fuel pump?
A: Symptoms of a weak or failing fuel pump include difficulty starting, engine sputtering or stalling (especially at high speeds), rough idling, and a noticeable loss of power.

Q: OEM vs. 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.