438556 Fuel Pump Assembly for Evinrude Johnson | JLM Marine

Fuel Pump Assembly for Evinrude Johnson 20-140 HP Outboard Motors

This brand new fuel pump assembly is designed for Johnson Evinrude outboard motors ranging from 20 HP to 140 HP. It is compatible with most non-VRO models spanning from 1968 to 1996, as well as OMC Quiet Rider 90/115 HP Sea Drive 1.6L engines. Whether you're maintaining a classic outboard or performing a rebuild, this fuel pump ensures reliable fuel delivery for consistent engine performance.

This aftermarket replacement directly replaces OEM part number 438556 and cross-references with multiple Johnson Evinrude part numbers including 433387, 398387, 388268, 385781, 394543, 382354, 395713, 398338, and 432451. It also supersedes Sierra Marine 18-7352 and EMP part #1399-07352, providing broad coverage for a wide range of outboard models.

• Complete assembly includes fuel pump, gasket, and 2 cable ties
• Fits most Johnson Evinrude VRO Fuel Pump Rebuild Oil Fuel Pumps
• Direct replacement for non-VRO models from 1968 to 1996

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 Serial Number Guide.

Technical Specifications

Package Contents

This fuel pump assembly package includes the following components:

• 1 × Fuel Pump
• 1 × Gasket
• 2 × Cable Ties

Installation Guide

1. Disconnect the battery and turn off the fuel supply valve to ensure safety during installation.
2. Remove the old fuel pump by disconnecting fuel lines and unbolting the mounting hardware. Note the orientation of fuel line connections.
3. Clean the mounting surface thoroughly to remove old gasket material and debris.
4. Position the new gasket on the mounting surface, ensuring proper alignment with mounting holes.
5. Install the new fuel pump by aligning it with the mounting studs and securing it with bolts. Tighten bolts in a cross-pattern to ensure even pressure.
6. Reconnect fuel lines to the appropriate inlet and outlet ports. Use the provided cable ties to secure hoses if needed.
7. Double-check all connections for proper seating and tightness to prevent fuel leaks.
8. Reconnect the battery and turn on the fuel supply valve.
9. Prime the fuel system by squeezing the primer bulb until it becomes firm.
10. Start the engine and allow it to idle for a few minutes. Inspect for any fuel leaks around the pump and connections.
11. Test the engine under normal operating conditions to verify proper fuel delivery and performance.
12. If any leaks or irregular operation occur, shut down immediately and recheck all connections and seals.

Troubleshooting & FAQ

Q: How do I confirm this fuel pump fits my engine?
A: Check the compatible engine models table above to verify your engine's HP and year range. Ensure your model is listed as non-VRO or matches the specified VRO rebuild applications. Cross-reference your original part number with the part number table provided.

Q: What are the signs that my fuel pump needs replacement?
A: Common symptoms include difficulty starting, engine stalling or hesitation under load, loss of power at higher RPMs, poor fuel economy, and visible fuel leaks around the pump. If the primer bulb won't hold pressure or collapses during operation, the fuel pump may be failing.

Q: How often should I replace the fuel pump?
A: Fuel pump lifespan varies based on usage and maintenance. Inspect your pump annually for cracks, leaks, or diaphragm deterioration. Replace it every 3-5 years as preventative maintenance or immediately if you notice performance issues or fuel leaks.

Q: What's the difference between this aftermarket pump and the OEM version?
A: This aftermarket pump is manufactured to OEM specifications using comparable-grade materials and is functionally equivalent to the OEM part. The main differences are branding and price—aftermarket pumps offer the same reliability at a more competitive cost.

Q: Can I install this pump myself or do I need a professional?
A: If you have basic mechanical skills and follow the installation guide carefully, you can install this pump yourself. However, professional installation is recommended to ensure proper sealing, fuel line connections, and to avoid potential fuel system issues.

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.