MerCarb 2-Barrel Carburetor Repair Kit – Fits MerCruiser 120-898 Engines (Replaces 3302-804845)
MerCarb 2-Barrel Carburetor Repair Kit – Fits MerCruiser 120-898 Engines (Replaces 3302-804845) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
MerCarb 2-Barrel Carburetor Repair Kit – Fits MerCruiser 120-898 En...
Product Details
This MerCarb 2-Barrel Carburetor Repair Kit is designed for various Mercury MerCruiser sterndrive engines, including the 120, 140, 470, 185, 200, and 898 models manufactured between 1983 and 1986. It is specifically intended for older MerCarb 2-barrel carburetors that feature a bottom-fill accelerator pump cavity.
It serves as a direct replacement for Mercury/Quicksilver part number 3302-804845 and Carb Junkys part 19035.
- Engineered for direct-fit installation.
- Compatible with gasoline fuel systems.
- Kit includes all necessary components for a standard rebuild.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.
| Brand | Part Number |
|---|---|
| Mercury / Quicksilver | 3302-804845 |
| Carb Junkys | 19035 |
Engine & Model Compatibility
Confirm your engine model and year in the table below to ensure proper fitment of this repair kit.
Mercury MerCruiser
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| MerCruiser | 120 | 120 | 4-Stroke | 1983–1986 | 3302-804845 | MCM (sterndrive) with older MerCarb 2-bbl |
| MerCruiser | 140 | 140 | 4-Stroke | 1983–1986 | 3302-804845 | MCM (sterndrive) with older MerCarb 2-bbl |
| MerCruiser | 470 | 170 | 4-Stroke | 1983–1986 | 3302-804845 | MCM (sterndrive) with older MerCarb 2-bbl |
| MerCruiser | 185 | 185 | 4-Stroke | 1983–1986 | 3302-804845 | MCM (sterndrive) with older MerCarb 2-bbl |
| MerCruiser | 200 | 200 | 4-Stroke | 1983–1986 | 3302-804845 | MCM (sterndrive) with older MerCarb 2-bbl |
| MerCruiser | 898 | 4-Stroke | 1983–1986 | 3302-804845 | MCM (sterndrive) with older MerCarb 2-bbl | |
| MerCruiser | 175/185/4.3L V6 | 175-185 | 4-Stroke | 1985–1987 | 3302-804845 | Serial Range: 0A221455-0B527954, Original Carb #3304-9353A2 |
Compatible Carburetor Models
| Brand | Carburetor Model | OEM Part No. | Notes |
|---|---|---|---|
| MerCruiser | MerCarb 2-barrel | 1389-8488A2 | Bottom fill accelerator pump cavity |
| MerCruiser | MerCarb 2-barrel | 1389-8489A5 | Bottom fill accelerator pump cavity |
| MerCruiser | MerCarb 2-barrel | 1389-8490A2 | Bottom fill accelerator pump cavity |
| MerCruiser | MerCarb 2-barrel | 1389-9350A2 | Bottom fill accelerator pump cavity |
| MerCruiser | MerCarb 2-barrel | 3304-9353A2 | 175/185/4.3L V6 models |
Technical Specs
- Product Type
- Carburetor Repair Kit
- Installation
- Direct replacement
- Fuel Type
- Gasoline
- Connection
- MerCarb 2-barrel carburetor
- Dimensions
- 24.5″ L × 17.0″ W × 5.0″ H
- Warranty
- Varies by supplier: Mercury Marine/Quicksilver 1 year factory warranty
- Other Technical Attributes
- For MerCarb 2-barrel carburetors with bottom fill accelerator pump cavity
What’s in the Box
- 1 x Carburetor Repair Kit (replaces 3302-804845)
- 1 x Resistant Float
Installation Notes
- Disconnect the boat's battery and shut off the fuel supply valve.
- Carefully remove the flame arrestor, fuel lines, and any linkage attached to the carburetor.
- Remove the mounting bolts and lift the carburetor off the intake manifold.
- Disassemble the carburetor on a clean workbench, taking photos or notes for reassembly.
- Clean all metal components thoroughly with carburetor cleaner. Do not immerse rubber or plastic parts in the cleaner.
- Carefully install the new gaskets, seals, needle, and seat from the kit.
- Reassemble the carburetor, ensuring the new float is set to the manufacturer's specified height.
- Install the rebuilt carburetor onto the manifold using a new base gasket.
- Reconnect all linkages, fuel lines, and the flame arrestor.
- Turn on the fuel supply, reconnect the battery, and start the engine.
- Check for any fuel leaks and adjust the idle speed and mixture screws as necessary for smooth operation.
Troubleshooting & FAQ
How do I know if this kit fits my MerCarb carburetor?
This kit is specifically for older MerCarb 2-barrel models featuring a bottom-fill accelerator pump cavity, typically found on engines from 1983–1987. Check your carburetor's casting numbers and compare them against the compatible model tables on this page to confirm fitment.
What are the common signs that my carburetor needs to be rebuilt?
Symptoms indicating a need for a rebuild include rough or inconsistent idling, engine stalling, hesitation or poor acceleration, visible fuel leaks from the carburetor body, or an unusually strong smell of gasoline.
Does this repair kit include the float?
Yes, this comprehensive kit includes a new, fuel-resistant float, which is a critical component for a successful carburetor rebuild.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, it is batch-inspected for consistency and quality.
Shipping speed & cost?
We ship worldwide quickly—typical transit time is 5–15 days. Standard shipping is free; expedited options will appear at checkout where available.
Warranty & returns?
This product is covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, please contact our support team with your order details. Returns are accepted within our standard window for unused items in their original condition. See our policy page or reach out for instructions.
Safety & Important Info
- Verify images and specifications against your original part before purchasing. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement part, not an OEM component.
- Professional installation is highly recommended for safety and optimal performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and rigorously tested for real-world conditions.
- Fast Global Fulfillment — We offer free standard delivery to most regions, with an average transit time of 5–15 days.
- Manufacturer-Direct Value — Our direct sourcing model ensures fair pricing without compromising on materials or quality control.
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