Carburetor Service Kit – Fits Mercury Mariner 40HP, 45HP, 50HP 4-Cylinder Outboards (Replaces 1395-9024)
Carburetor Service Kit – Fits Mercury Mariner 40HP, 45HP, 50HP 4-Cylinder Outboards (Replaces 1395-9024) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This Carburetor Service Kit – Fits Mercury Mariner 40HP, 45HP, 50HP 4-Cylinder Outboards (Replaces 1395-9024) is designed for rebuilding Walbro carburetors with a side-mounted integral fuel pump. It fits various Mercury and Mariner 40HP, 45HP, and 50HP 4-cylinder outboard engines manufactured from 1980 to 1986 and beyond.
This kit is a direct interchange for Mercury 1395-9024/9024, Sierra 18-7215, and GLM 40640.
- Installation Method: Direct replacement
- Application: Outboard engines
- Includes essential gaskets and seals for a complete carburetor rebuild
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury | 1395-9024 |
| Mercury | 9024 |
| Sierra | 18-7215 |
| GLM | 40640 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Fits select Mercury and Mariner outboards. Verify serial numbers and carburetor codes where noted to ensure correct fitment.
| Brand | Model | Rated HP | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Mercury/Mariner | 40HP 4-Cylinder | 40 | 1987 and up | 1395-9024 | WMA-4 carburetor |
| Mercury/Mariner | 45HP 4-Cylinder | 45 | 1987 and up | 1395-9024 | WMA-4 carburetor |
| Mercury/Mariner | 45HP 4-Cylinder | 45 | 1980–1986 | 1395-9024 | Serial numbers 5531630 through 0B110788 |
| Mercury/Mariner | 45HP 4-Cylinder | 45 | 1395-9024 | Serial numbers 7143688 through 0A719280 | |
| Mercury/Mariner | 45HP 4-Cylinder | 45 | 1395-9024 | Serial numbers 8063985 and up | |
| Mercury/Mariner | 45HP 4-Cylinder | 45 | 1395-9024 | Serial numbers 9248006 through 9466691 | |
| Mercury/Mariner | 50HP 4-Cylinder | 50 | 1986 and up | 1395-9024 | WMA-1, WMA-3 carburetor |
| Mercury/Mariner | 50HP 4-Cylinder | 50 | 1395-9024 | Serial numbers 5531630 and up | |
| Mercury/Mariner | 50HP 4-Cylinder | 50 | 1395-9024 | Serial numbers 7143688 and up | |
| Mercury/Mariner | 50HP 4-Cylinder | 50 | 1395-9024 | Serial numbers 8063985 and up | |
| Mercury/Mariner | 50HP 4-Cylinder | 50 | 1395-9024 | Serial numbers 9248006 and up |
Technical Specs
- Product Type
- Carburetor Service Kit
- Installation
- Direct replacement
- Fuel Type
- Gasoline
- Application
- Outboard engines with Walbro carburetor with side-mounted integral fuel pump
- Dimensions
- 7.13" H x 6.0" W x 0.13" L
- Other Technical Attributes
- For rebuilding Walbro carburetor with side-mounted integral fuel pump
What’s in the Box
- Gaskets and seals for Walbro carburetor service (1395-9024)
Installation Notes
- Disconnect the battery and fuel lines, ensuring the work area is well-ventilated.
- Remove the engine cowling to access the carburetor.
- Carefully detach the old carburetor, noting the linkage and hose connections.
- Disassemble the carburetor on a clean workbench, keeping track of all small components.
- Clean all metal parts with a suitable carburetor cleaner. Do not soak rubber or plastic parts.
- Inspect jets, floats, and needles for wear or damage.
- Replace old gaskets, seals, and other worn components using the new parts from the kit.
- Reassemble the carburetor, ensuring all parts are correctly seated.
- Remount the rebuilt carburetor onto the engine, reattaching linkages and fuel lines.
- Reconnect the battery, prime the fuel system, and start the engine to check for leaks and adjust idle speed as needed.
Troubleshooting & FAQ
How do I know if this kit fits my specific engine model?
This kit is designed for Mercury/Mariner 40–50HP 4-cylinder outboards with Walbro carburetors featuring a side-mounted fuel pump. The most reliable way to confirm fitment is to check your engine's serial number and carburetor code against the ranges listed in the Engine & Model Compatibility table.
What are the signs that my carburetor needs servicing with this kit?
Common symptoms include hard starting, rough idling, stalling, poor acceleration, or black smoke from the exhaust. These often indicate clogged passages, air leaks from failed gaskets, or a malfunctioning fuel pump, all of which can be addressed with this service kit.
The parts in the kit look slightly different from my old ones. Is this normal?
Minor cosmetic differences can occur between OEM and aftermarket parts due to different manufacturing processes. However, the critical dimensions and material specifications are designed to match or exceed OEM standards. As long as the part numbers match and it's the correct application, it should function correctly.
Is any special tool required for installation?
Standard mechanical tools are generally sufficient. However, a jet removal tool and carburetor cleaner spray are highly recommended. Always work in a clean, organized space to avoid losing small components like clips and springs.
How often should a carburetor be rebuilt?
There is no fixed interval. It depends on fuel quality, operating conditions, and storage practices. If you notice performance issues or if the engine has been sitting for an extended period with untreated fuel, a rebuild is a good preventative measure.
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.
Payment & Security
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