Carburetor Rebuild Kit – Fits MerCruiser Weber 4-Barrel V8 (Replaces 809065)
Carburetor Rebuild Kit – Fits MerCruiser Weber 4-Barrel V8 (Replaces 809065) 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 Rebuild Kit – Fits MerCruiser Weber 4-Barrel V8 (Replaces 809065) contains the necessary components to restore your marine carburetor to optimal performance. It is designed for MerCruiser V8 engines equipped with Weber 4-barrel carburetors, specifically models 9661S and 9770S, manufactured between 1992 and 1995.
It serves as a direct replacement for Mercury/MerCruiser 809065, Sierra 18-7749, GLM 76170, CP Performance 700-76170, and EMP 1300-03644.
- Installation: Suitable for DIY or professional installation.
- Fuel Type: Designed for gasoline engines.
- Fitment: Specifically for Weber 4-Barrel Carburetors.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.
| Brand | Part Number |
|---|---|
| Mercury/MerCruiser | 809065 |
| Sierra | 18-7749 |
| GLM | 76170 |
| CP Performance | 700-76170 |
| EMP | 1300-03644 |
Engine & Model Compatibility
Confirm your engine model and year in the table below to ensure proper fitment.
| Brand | Model | Years | OEM Part No. | Notes |
|---|---|---|---|---|
| MerCruiser | 5.7L Bravo V8 | 1992–1995 | 809065 | Serial Range: 0D617328-0F600999, Original Carb #3310-806970A1, MFG Model #9770SA WEBER |
| MerCruiser | 350 Magnum Alpha V8 | 1992–1995 | 809065 | Serial Range: 0D617328-0F600999, Original Carb #3310-806970A1, MFG Model #9770SA WEBER |
Technical Specs
- Product Type
- Carburetor Rebuild Kit
- Installation
- DIY or Professional
- Fuel Type
- Gasoline
- Dimensions
- 30.0″ L x 20.0″ W x 4.0″ H
- Fitting Type
- Weber 4-Barrel Carburetor
- Other Technical Attributes
- For Weber models 9661S and 9770S
What’s in the Box
- Gaskets, Seals, and Rebuild Components to service one carburetor (Replaces OEM 809065)
Installation Notes
- Disconnect the battery and safely detach fuel lines, preventing any fuel spillage.
- Remove the carburetor from the engine's intake manifold.
- Disassemble the carburetor on a clean, organized workbench, taking photos at each stage for reference.
- Thoroughly clean all metal components using a quality carburetor cleaner; avoid soaking non-metal parts.
- Carefully remove all old gaskets and seals, ensuring the mating surfaces are perfectly clean and smooth.
- Install the new components from the kit, using your photos or a service manual as a guide.
- Reassemble the carburetor, making sure all screws are tightened to the manufacturer's specified torque.
- Reinstall the carburetor on the engine using a new base gasket.
- Reconnect fuel lines and the battery terminal.
- Start the engine, carefully check for any fuel leaks, and adjust idle and mixture settings as required.
Troubleshooting & FAQ
How do I know if this kit fits my carburetor?
This kit is specifically for Weber 4-barrel carburetors (models 9661S and 9770S) found on MerCruiser V8 engines from 1992–1995. It is also compatible with engines within the serial number range 0D617328 to 0F600999. Always verify your carburetor model and serial number before purchasing.
What are the signs my carburetor needs a rebuild?
Common symptoms include difficulty starting, rough idling, frequent stalling, black exhaust smoke (indicating a rich fuel mixture), poor acceleration, or visible fuel leaks from the carburetor body.
Is a special tool required for installation?
Standard hand tools (screwdrivers, wrenches) are generally sufficient. A can of carburetor cleaning solvent and compressed air are also highly recommended to properly clean small passages. No other proprietary tools are typically needed.
What is the main difference between this kit and an OEM version?
Our aftermarket kit is engineered to meet or exceed original equipment (OEM) specifications for fit and function. It provides all the essential gaskets and seals for a standard rebuild but at a more accessible price.
How often should a marine carburetor be rebuilt?
Service intervals can vary based on hours of use, fuel quality, and storage practices (especially during winter). As a general guideline, consider a rebuild every 3-5 years or whenever performance issues arise.
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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