Carburetor Rebuild Kit – Fits Johnson/Evinrude 1.5–20 HP (Replaces 439071, 0439071, 383052)

Carburetor Rebuild Kit – Fits Johnson/Evinrude 1.5–20 HP (Replaces 439071, 0439071, 383052)

This carburetor rebuild kit is designed for Johnson/Evinrude 1.5 HP to 20 HP, 2-stroke outboard motors manufactured between 1952 and 1990. It provides all the essential components needed to restore your carburetor to optimal performance, addressing common issues like poor engine performance, fuel leaks, and hard starts.

This kit is a direct replacement for a wide range of part numbers, ensuring broad compatibility with various engine models within the specified horsepower range, including 3 HP, 5 HP, 5.5 HP, 6 HP, 7.5 HP, 10 HP, 15 HP, 18 HP, and 20 HP engines.

• Installation Type: Direct replacement for OEM components.
• Fuel Compatibility: Designed for use with gasoline.
• Comprehensive Kit: Includes gaskets, diaphragms, needle, seat, and other necessary parts for a complete rebuild.

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 kit includes the following components for a complete carburetor overhaul:

• Gaskets
• Needle and seat assembly
• Float clip
• Diaphragms
• O-rings
• Other essential components for a complete rebuild
• Note: Some versions of this kit may include a float. Please review product images to confirm the exact contents of the package you will receive.

Installation Guide

1. Safety First: Disconnect the battery and ensure the fuel supply is shut off before beginning work.
2. Remove Carburetor: Carefully detach the fuel lines and linkages, then unbolt and remove the carburetor from the engine.
3. Disassemble: Working in a clean area, disassemble the carburetor. Lay out the parts in order to aid in reassembly.
4. Clean Components: Thoroughly clean all metal parts with a quality carburetor cleaner to remove varnish, gum, and dirt. Do not use cleaner on rubber or plastic components.
5. Install New Parts: Carefully replace the old gaskets, diaphragms, needle, seat, and seals with the new components from the kit.
6. Reassemble: Reconstruct the carburetor, ensuring all parts are correctly seated and screws are tightened to the proper torque.
7. Reinstall Carburetor: Mount the rebuilt carburetor back onto the engine, reattaching linkages and fuel lines.
8. Test and Adjust: Reconnect the battery, turn on the fuel supply, and start the engine. You may need to adjust the idle speed and air/fuel mixture screws for smooth operation.

Troubleshooting & FAQ

How do I confirm this kit fits my engine?

First, verify your engine's horsepower and year fall within the 1.5-20 HP, 1952-1990 range. Then, compare your existing carburetor's part number to those listed in our Part Number Cross-Reference table. This kit is a direct replacement for OEM part 439071 and others listed.

What are the signs that my carburetor needs a rebuild?

Common symptoms include difficulty starting the engine, rough or unstable idling, stalling at low speeds, hesitation or poor acceleration, and visible fuel leaks from the carburetor body.

Does this kit include a float?

This comprehensive kit contains all necessary gaskets, diaphragms, o-rings, and the needle/seat assembly for a full rebuild. While some versions include a float, its presence may vary. Please check the product images to confirm the contents of the specific kit you are ordering.

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.