Carburetor Rebuild Kit – Fits Johnson/Evinrude V4 85-140 HP, V6 150-235 HP (Replaces 439076, 392550)
Carburetor Rebuild Kit – Fits Johnson/Evinrude V4 85-140 HP, V6 150-235 HP (Replaces 439076, 392550) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Carburetor Rebuild Kit – Fits Johnson/Evinrude V4 85-140 HP, V6 150...
Carburetor Rebuild Kit – Fits Johnson/Evinrude V4 85-140 HP, V6 150-235 HP (Replaces 439076, 392550) is backordered and will ship as soon as it is back in stock.
Product Details
This Carburetor Rebuild Kit – Fits Johnson/Evinrude V4 85-140 HP, V6 150-235 HP (Replaces 439076, 392550) provides all essential components to restore fuel delivery and performance in a wide range of Johnson/Evinrude outboard engines. It covers V4 Crossflow models from 1977–1983, V6 Crossflow models from 1976–1993, and various small engines from 1986 and newer.
The kit serves as a direct interchange for OEM part numbers 439076, 392550, 398586, 434888, and 435443, as well as aftermarket references like Sierra 18-7046 and Mercury Marine 879055A01.
- Easy Installation: Designed as a direct replacement for the original components.
- Complete Service: Includes necessary gaskets, diaphragms, O-rings, and the needle & seat assembly for a full rebuild.
- Quality Manufacturing: Produced in an ISO9002 certified facility to meet stringent quality standards.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| OMC/Johnson/Evinrude | 439076 / 0439076 |
| OMC/Johnson/Evinrude | 392550 / 0392550 |
| OMC/Johnson/Evinrude | 398586 / 0398586 |
| OMC/Johnson/Evinrude | 434888 / 0434888 |
| OMC/Johnson/Evinrude | 435443 / 0435443 |
| Sierra | 18-7046 |
| Mercury Marine | 879055A01 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This kit is designed for a wide range of Johnson/Evinrude 2-stroke outboard engines, including V4, V6, and smaller displacement models.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Johnson/Evinrude | V4 Crossflow | 85 | 2-Stroke | 1977, 1980–1983 | 439076 |
| Johnson/Evinrude | V4 Crossflow | 90 | 2-Stroke | 1977, 1980–1983 | 439076 |
| Johnson/Evinrude | V4 Crossflow | 100 | 2-Stroke | 1977, 1980–1983 | 439076 |
| Johnson/Evinrude | V4 Crossflow | 115 | 2-Stroke | 1977, 1980–1983 | 439076 |
| Johnson/Evinrude | V4 Crossflow | 125 | 2-Stroke | 1977, 1980–1983 | 439076 |
| Johnson/Evinrude | V4 Crossflow | 140 | 2-Stroke | 1977, 1980–1983 | 439076 |
| Johnson/Evinrude | V6 Crossflow | 150 | 2-Stroke | 1979–1990 | 439076 |
| Johnson/Evinrude | V6 Crossflow | 155 | 2-Stroke | 1984–1993 | 439076 |
| Johnson/Evinrude | V6 Crossflow | 175 | 2-Stroke | 1977–1991 | 439076 |
| Johnson/Evinrude | V6 Crossflow | 185 | 2-Stroke | 1984 | 439076 |
| Johnson/Evinrude | V6 Crossflow | 200 | 2-Stroke | 1976–1983 | 439076 |
| Johnson/Evinrude | V6 Crossflow | 235 | 2-Stroke | 1978–1984 | 439076 |
| Johnson/Evinrude | Small Engines | 6 | 2-Stroke | 1986+ | 439076 |
| Johnson/Evinrude | Small Engines | 8 | 2-Stroke | 1986+ | 439076 |
| Johnson/Evinrude | Small Engines | 9.9 | 2-Stroke | 1989+ | 439076 |
| Johnson/Evinrude | Small Engines | 15 | 2-Stroke | 1989+ | 439076 |
| Johnson/Evinrude | Small Engines | 20 | 2-Stroke | 1991–1997 | 439076 |
Technical Specs
- Product Type
- Carburetor Rebuild Kit
- Installation
- Direct Replacement
- Fuel Type
- Gasoline
- Components
- Gaskets, Diaphragms, O-rings, Needle & Seat Assembly
- Material
- OEM-specification rubber, cork, and metal components
- Production Standards
- ISO9002 certified factory
- Warranty
- 1 Year against manufacturing defects
- Other Technical Attributes
- Aftermarket replacement (non-OEM)
What’s in the Box
- 1 x Carburetor Rebuild Kit (439076)
Installation Notes
- Disconnect the battery and shut off the fuel supply. Place a rag under the carburetor to catch any spilled fuel.
- Carefully remove the air silencer/cover and disconnect all fuel lines, throttle linkages, and choke linkages from the carburetor. Note their positions for reassembly.
- Unbolt and remove the carburetor from the intake manifold.
- Disassemble the carburetor on a clean workbench, taking care to organize all parts. Remove old gaskets, seals, the needle, and seat.
- Clean all metal components thoroughly with carburetor cleaner, ensuring all jets and passages are clear of debris. Do not use cleaner on rubber or plastic parts.
- Install the new components from the rebuild kit, including gaskets, diaphragms, o-rings, and the needle/seat assembly.
- Reassemble the carburetor, ensuring all screws are tightened to the correct torque specifications.
- Reinstall the carburetor onto the engine, reconnecting linkages and fuel lines.
- Reconnect the battery, turn on the fuel supply, and prime the system. Check for leaks before starting the engine.
Troubleshooting & FAQ
How do I know if my carburetor needs rebuilding?
Common signs include hard starting, rough idling, stalling, hesitation on acceleration, black smoke from the exhaust, or fuel leaking from the carburetor body. These symptoms suggest that internal components have worn out or passages are clogged.
Does this kit fit both V4 and V6 engines?
Yes, this kit is designed to service a wide range of Johnson and Evinrude V4 (85-140 HP) and V6 (150-235 HP) Crossflow engines within the specified year ranges. Always check the compatibility table to confirm your exact model and year.
Will this kit fix an engine that won't start?
If the starting issue is caused by a faulty carburetor (e.g., clogged pilot jet, incorrect fuel level from a bad needle/seat), this kit can resolve the problem. However, starting issues can also be caused by ignition, compression, or other fuel system problems.
Is any special tool required for installation?
Standard mechanic's tools (screwdrivers, wrenches, sockets) are typically sufficient. A can of carburetor cleaner and a clean workspace are highly recommended. No specialty tools are usually necessary.
How often should a carburetor be rebuilt?
There is no fixed interval. It depends on usage, fuel quality, and storage conditions (especially with ethanol-blended fuels). It's best to rebuild it when performance issues arise. Regular use of a fuel stabilizer can extend the life of the components.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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