Carburetor Rebuild Kit – Fits Johnson/Evinrude 4–15 HP (Replaces 398453)

Carburetor Rebuild Kit – Fits Johnson/Evinrude 4–15 HP (Replaces 398453)

This carburetor rebuild kit is designed for a wide range of Johnson/Evinrude outboard motors from 4 to 15 HP (2-stroke), manufactured between 1974 and 1993 (model years vary). It provides the essential components needed to restore your carburetor to optimal performance.

This kit is a direct replacement for multiple OEM and aftermarket part numbers, including Sierra 18-7223, EMP 1300-01427, GLM 40550, Mallory 9-37101, and Johnson/Evinrude 386698, 391305, 391937, 398452, 398453, and 439072.

• Includes all necessary gaskets, seals, and needle assemblies for a standard rebuild.
• Compatible with standard marine gasoline.
• Installation can be completed with basic hand tools.

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 Sierra 18-7106 Needle Packing, High & Low Speed
• 1 x Sierra 18-7093 Needle & Seat Assembly (For 3R Models Only)
• 1 x Sierra 18-7094 Needle & Seat Assembly (For 4RE & 4RL Models Only)
• 1 x Sierra 18-2908 Float Bowl Gasket
• 1 x Float Arm Hinge Pin
• 4 x Gaskets
• 1 x Spring Clip
• 1 x Packing Washer
• 1 x Valve O-Ring
• 1 x Shut-Off Valve Roll Pin
• Note: Float is not included and must be purchased separately if needed (see Sierra P/N 18-7210).

Installation Guide

1. Safety First: Ensure the engine is off, cool, and disconnected from the fuel supply.
2. Remove Carburetor: Carefully disconnect the fuel lines and linkage, then unbolt and remove the carburetor from the engine.
3. Disassemble: Place the carburetor on a clean surface. Carefully disassemble it, taking photos or notes of how components are arranged. Pay close attention to small parts like springs and clips.
4. Clean Components: Thoroughly clean all metal components with a quality carburetor cleaner. Do not spray cleaner on non-metal parts. Ensure all passages are clear of debris.
5. Install New Parts: Replace the old gaskets, seals, O-rings, needle, and seat with the new components from this kit. Ensure each part is seated correctly.
6. Reassemble: Carefully reassemble the carburetor, referencing your notes or photos to ensure correct placement of all parts. Do not overtighten screws.
7. Reinstall: Mount the rebuilt carburetor back onto the engine, reconnect all linkages and fuel lines, and check for leaks before starting the engine.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my engine?
A: The best way is to match your engine's model and year to the 'Compatible Engine Models' table above. You should also cross-reference your existing carburetor's part number with the numbers in the 'Part Number Cross-Reference' list to ensure a match.

Q: What are common signs that my carburetor needs to be rebuilt?
A: Symptoms include difficulty starting, poor or rough idling, stalling at low speeds, engine hesitation upon acceleration, fuel leaking from the carburetor, or black smoke from the exhaust.

Q: Does this kit include the float?
A: No, the float is not included in this particular rebuild kit. If your float is damaged or saturated with fuel, it must be purchased separately. The compatible Sierra part number is 18-7210.

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.