
864943 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $365.00 | Top Pick! Condition is Remanufactured, Marine carburetor 2 barrel rochester replaces mercarb 3310-864943A01 5.7L 350, FREE SHIPPING | 99.6% |
![]() | $365.00 | Condition is Remanufactured, MARINE RBLT CARB 2 BARREL ROCHESTER REPLACES MERCARB 864943A01 5.7L 350, FREE SHIPPING | 100.0% |
![]() | $365.00 | Condition is Remanufactured, MARINE RBLT CARB 2 BARREL ROCHESTER REPLACES MERCARB 3310-864943A01 5.7L 350, FREE SHIPPING | 100.0% |
![]() | $365.00 | Condition is Remanufactured, Marine carburetor 2 barrel rochester replaces mercarb 864943A01 5.7L 350, FREE SHIPPING | 99.6% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $14.99 | Condition is New, Carburetor Rebuild Kit Set For Rochester Mercruiser 3310-806080A2 3310-864943A01, FREE SHIPPING | ![]() |
![]() | $59.95 | Condition is New, ELECTRIC CHOKE THERMOSTAT- MERCURY MARINE MERCRUISER CARBURETOR MerCarb 2 Barrel, shipping cost = $5.95 | 100.0% |



The Rochester 864943 Marine Carburetor Barrel, also known as Mercarb, is specifically designed for 5.7L 350 engines used in marine applications. This carburetor barrel is a crucial component in the engine's fuel delivery system, ensuring a smooth and efficient combustion process.
The Mercarb 5.7L 350 marine carburetor barrel is made from high-grade materials, ensuring durability and resistance to corrosion, a common issue in marine environments. The barrel is equipped with a primary venturi that allows for optimal air-fuel mixture creation. This mixture is then metered through the barrel's secondary venturi, further ensuring efficient combustion.
The barrel features a built-in accelerator pump, which provides additional fuel during acceleration, ensuring smooth power delivery. The pump is adjustable, allowing for fine-tuning to meet the specific needs of your engine and operating conditions.
The Mercarb 5.7L 350 marine carburetor barrel is also equipped with a choke mechanism, allowing for easy cold starts. The choke can be adjusted for various engine sizes, ensuring efficient operation in a wide range of temperatures.
The barrel is designed to easily integrate with other marine carburetor components, including the air cleaner, throttle body, and linkage. This makes installation straightforward and hassle-free, even for DIY enthusiasts.
In summary, the Rochester 864943 Marine Carburetor Barrel is a high-quality, durable, and efficient component for 5.7L 350 engines used in marine applications. Its features, including the primary and secondary venturis, adjustable accelerator pump, and choke mechanism, ensure optimal performance and ease of use.
Pros of buying a Rochester 864943 Marine Carburetor Barrel MerCarb 5.7L 350:1. Compatibility: The carburetor is specifically designed for 5.7L 350 engines, ensuring a perfect fit and optimal performance.
2. Durability: Made from high-quality materials, the barrel is built to withstand the harsh marine environment, offering long-term reliability.
3. Easy Installation: The MerCarb design simplifies the installation process, making it easier for both amateur and professional mechanics.
4. Improved Performance: The carburetor can enhance the engine's performance, providing better fuel efficiency and throttle response.
Cons of buying a Rochester 864943 Marine Carburetor Barrel MerCarb 5.7L 350:1. Price: The carburetor may be more expensive than some other options, which could be a drawback for budget-conscious consumers.
2. Availability: Depending on your location, finding a retailer or online store that carries this specific model may be challenging.
3. Maintenance: Carburetors require regular maintenance to keep them running at their best, which could add to the overall cost of ownership.
Conclusion:If you have a 5.7L 350 engine and are looking for a reliable, high-performance carburetor, the Rochester 864943 Marine Carburetor Barrel MerCarb is a solid choice. While it may be slightly more expensive than some alternatives and requires regular maintenance, its durability, compatibility, and easy installation make it a worthwhile investment for many boat owners.
Recommendation:If the price and availability are not significant concerns, we recommend considering the Rochester 864943 Marine Carburetor Barrel MerCarb 5.7L 350 for your 5.7L 350 engine. Its performance enhancements and long-term reliability make it a great addition to your boat's engine system.
Details:
The carburetor is made in the USA and perfect for your inboard engine components. This new old stock Marine carburetor with 2 barrels is a great replacement for your mercarb system. Please look at numbers and pictures to make sure it is correct this not returnable sold as. Made by Rochester, it is designed for your 5.7l 350 engine and has a manufacturer part number of 864943.
The brand of the carburetor is Rochester and it specifically designed for Marine use. It is compatible with a variety of boats and easy to install.
specifications inboardfuel:
- for models: Marine, 350
- brand: Rochester
- mpn: 864943
- part type: Carburetor Mercarb
- country/region of manufacture: United States
seller inboardfuel:
- city: middle river, maryland
- rating: 100.0%
- # reviews: 639
returns inboardfuel:
- policy: no returns
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
shipping inboardfuel:
- class: expedited
- service: usps priority mail
- carrier: usps
- type: calculated
- transit: 5-10 days
offer inboardfuel:
- started: june 8, 2024
- in stock #: 5
- availability: in stock
- options: ship-to-home
- best offers: true
- sold #: 29
- price: $365.00
- item condition:
- Remanufactured
- New
payments inboardfuel:
- credit card: visa
- wallet: apple-pay
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