fits model: 302.

( Brand: Mercruser Omc ), ( Manufacturer Part Number: 2557/D4JL-9510 ), ( Part Type: Carburetor )
The MERCUSHER OMC 2557/D4JL-9510 D4JL 7M12 7163 302 Holly 4bbl Carburetor is a high-performance marine fuel delivery system, meticulously engineered to meet the demanding requirements of marine applications.
This carburetor is part of the renowned Holly 4-barrel series, known for their robustness and precision. The OMC 2557/D4JL-9510 model is specifically designed for outboard motor engines, offering optimal fuel mixture distribution for smooth and efficient operation.
The carburetor body is constructed from durable, corrosion-resistant materials, ensuring longevity in the harsh marine environment. The 4-barrel design offers increased airflow, allowing for higher horsepower output and improved throttle response.
The 7M12 7163 302 model features a unique vacuum secondary system, which enhances fuel metering and improves engine performance across a wide range of RPMs. The carburetor also includes a built-in choke mechanism for easy cold starts, making it ideal for a variety of weather conditions.
The carburetor is equipped with a 4-barrel Holly-style manual choke, allowing for precise control over the air-fuel mixture during cold startup. The choke features a durable, easy-to-grip handle for convenient operation.
The MERCUSHER OMC 2557/D4JL-9510 D4JL 7M12 7163 302 Holly 4bbl Carburetor is a high-quality, reliable choice for those seeking superior performance and durability in their marine applications. Its combination of robust construction, innovative design, and precise fuel metering makes it a top choice among marine enthusiasts and professionals alike.
The Mercury OMC 2557/D4JL-9510 D4JL 7M12 7163 3302 Holly 4bbl Carburetor is a high-performance marine carburetor, popular for its reliability and power delivery. Here are some pros and cons to consider before making a purchase:
Pros:1. High-performance and fuel-efficient: This carburetor is designed to deliver excellent performance and optimized fuel economy, making it an attractive choice for boat owners.
2. Durable and reliable: The Holly carburetor is known for its robust construction and reliability, which can be crucial in marine applications where conditions can be harsh.
3. Easy-to-tune: The Holly carburetor offers a simple yet effective tuning system, making it easier for boat owners to adjust the settings according to their specific needs.
4. Wide compatibility: This carburetor is compatible with a wide range of Mercury outboard engines, increasing its versatility.
Cons:1. Price: Compared to other carburetors in the market, the Holly carburetor can be relatively expensive.
2. Complexity: While the carburetor is easy-to-tune, its design can be more complex compared to other carburetors, which might intimidate some users.
3. Availability of parts: Some parts for the Holly carburetor may be harder to find, which can make repairs and maintenance more challenging.
In conclusion, the Mercury OMC 2557/D4JL-9510 D4JL 7M12 7163 3302 Holly 4bbl Carburetor is a high-performance marine carburetor that offers excellent fuel efficiency, durability, and reliability. However, its higher price point and potential complexity might be a deterrent for some users. If you are looking for a high-quality carburetor for your Mercury outboard engine and are willing to invest in a more premium option, this carburetor could be a good choice. But, if you are on a tighter budget or prefer a less complex carburetor, you might want to consider other options.
Tested and functions good: There is no damage.: FREE SHIPPING. This is a used D4JL 7M12 # 7163 - 2557/D4JL-9510 302 351 small block OMC Mercruser Holly 4BBL Carburetor original equipment carb for Marine motors with 307/350 and 327 cubic inch, 8 eight cylinder engines.