0434728 0438562 Fuel Pump for Evinrude Johnson | JLM Marine

Fuel Pump Assembly – Fits Johnson Evinrude 9.9–140 HP Outboards

This aftermarket fuel pump assembly is engineered to fit a wide range of Johnson Evinrude outboard motors from 9.9 HP to 140 HP, covering model years from the late 1960s through the mid-1990s. Designed for non-VRO systems, this pump ensures reliable fuel delivery for 2-stroke engines across multiple horsepower ratings and configurations.

Direct replacement for OEM part numbers 0434728, 0438562, and 0777779, as well as aftermarket equivalents from Sierra (18-7351), EMP (1399-07351), and Mallory (9-35351).

• Complete assembly includes fuel pump and gasket for immediate installation
• Compatible with most non-VRO Johnson Evinrude 2-stroke outboards
• Aftermarket quality built to OEM specifications

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 × Fuel Pump
• 1 × Gasket

Installation Guide

1. Disconnect the fuel line from the engine and relieve any residual fuel pressure in the system.
2. Remove the mounting bolts securing the old fuel pump to the engine block.
3. Carefully detach the old pump and remove the old gasket material from the mounting surface.
4. Clean the mounting area thoroughly to ensure a proper seal with the new gasket.
5. Position the new gasket onto the mounting surface, aligning all bolt holes.
6. Place the new fuel pump over the gasket and align it with the mounting holes.
7. Hand-tighten the mounting bolts, then torque them to manufacturer specifications in a cross pattern.
8. Reconnect the fuel lines to the pump inlet and outlet fittings, ensuring secure connections.
9. Prime the fuel system by squeezing the primer bulb until it becomes firm.
10. Start the engine and inspect all connections for fuel leaks while the engine is running.
11. If leaks are detected, shut down the engine immediately and retighten connections as needed.

Troubleshooting & FAQ

Q: How do I confirm this fuel pump fits my Johnson Evinrude engine?
A: Check the compatibility table above for your engine's horsepower and model year. This pump fits most non-VRO Johnson Evinrude 2-stroke outboards from 9.9 HP to 140 HP. You can also cross-reference your original OEM part number (0434728, 0438562, or 0777779) with the part numbers listed.

Q: Will this work on VRO-equipped engines?
A: No, this fuel pump is designed for non-VRO systems only. VRO (Variable Ratio Oiling) engines require a different pump assembly that integrates oil injection functionality.

Q: What are the signs that my fuel pump needs replacement?
A: Common symptoms include difficulty starting the engine, loss of power at high RPM, engine sputtering or stalling under load, fuel leaks around the pump body, or the engine failing to maintain consistent idle speed.

Q: How often should I replace the fuel pump?
A: Fuel pumps typically last several seasons with proper maintenance. Replace the pump if you notice performance issues, visible damage, cracking diaphragms, or fuel leaks. Inspect gaskets annually and replace them during routine maintenance.

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