439073 431897 Carburetor Repair Rebuild Kit for Johnson Evinrude | JLM Marine

Carburetor Repair Rebuild Kit – Fits Johnson/Evinrude 6-20 HP Outboards (1986-1996)

This carburetor repair rebuild kit is engineered to restore optimal fuel delivery and performance for Johnson and Evinrude 6 HP, 8 HP, 9.9 HP, 15 HP, and 20 HP outboard engines manufactured between 1986 and 1996. Designed as a direct replacement for OEM part numbers 439073 and 431897, this kit includes all essential components to refresh your carburetor and eliminate common issues such as rough idling, poor acceleration, and fuel leaks.

This aftermarket kit replaces multiple OEM and aftermarket part numbers, including 0439073, 0431897, Sierra 18-7219, GLM 40600, and 1300-08691, ensuring broad compatibility across Johnson/Evinrude model years.

• Complete rebuild kit with all necessary gaskets, diaphragms, and components
• Restores carburetor function and improves fuel efficiency
• Direct-fit replacement for multiple OEM and aftermarket part numbers

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 carburetor rebuild kit includes:

• Carburetor Rebuild Kit × 1

You will receive exactly what is shown in the product images. Please verify that all components match your existing carburetor parts before installation.

Installation Guide

1. Disconnect the fuel line and remove the carburetor from the engine following your service manual instructions.
2. Disassemble the carburetor carefully, noting the position of each component for proper reassembly.
3. Remove all old gaskets, diaphragms, and seals from the carburetor body and float bowl.
4. Clean all carburetor passages and jets using carburetor cleaner spray and compressed air to remove any deposits or debris.
5. Inspect all metal components for wear, corrosion, or damage; replace the carburetor if internal parts are excessively worn.
6. Install new gaskets and diaphragms from the rebuild kit, ensuring they are properly seated and aligned.
7. Reassemble the carburetor in reverse order, carefully torquing all screws to manufacturer specifications.
8. Reinstall the carburetor on the engine and reconnect the fuel line and linkages.
9. Prime the fuel system and check for leaks around all gasket surfaces before starting the engine.
10. Start the engine and allow it to warm up, then adjust idle mixture and speed screws as needed for smooth operation.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my carburetor?
A: Cross-reference the OEM part numbers (439073, 431897, 0439073, 0431897) with your existing carburetor's stamped number. Also verify your engine model and year match the compatibility table above, and compare the kit components shown in our product images with your carburetor's internal parts.

Q: What are the signs that my carburetor needs rebuilding?
A: Common symptoms include difficulty starting, rough or inconsistent idling, poor acceleration, excessive fuel consumption, fuel leaking from gasket surfaces, and black smoke from the exhaust. If cleaning the carburetor doesn't resolve these issues, a rebuild is typically needed.

Q: How often should I rebuild my carburetor?
A: Rebuild intervals depend on usage, fuel quality, and storage conditions. Typical recommendations are every 2-3 years for recreational use, or whenever you experience performance issues. Always rebuild if the engine has been stored for extended periods with fuel in the carburetor.

Q: Can I reuse any of the old gaskets or seals?
A: No, always replace all gaskets, diaphragms, and seals with the new components provided in the rebuild kit. Reusing old parts will likely result in fuel leaks and poor performance.

Q: Do I need any special tools to install this kit?
A: Basic hand tools (screwdrivers, wrenches) are sufficient for most carburetor rebuilds. Carburetor cleaner, compressed air, and a clean workspace are highly recommended for proper cleaning and assembly.

Q: Is this an OEM or aftermarket part?
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.