2 Barrel Marine Carburetor for Mercruiser & Rochester Engines - Fit for 2.5L, 3.0L, 4.3L, 5.0L, 5.7L, 4 CYL V8 Models with Electric Choke, Jets, Long Linkage & Gaskets - Replaces OEM #3310-864940A01

This product is a **Marine Carburetor** for **Rochester Mercruiser 2 Barrel Carburetor Mercarb** engines, including **3.0L, 5.7L, 2.5L, 4.3L, 5.0L V8 350** engines. It's an improved version of the original, designed to fix all possible problems and help your boat run at peak performance. The carburetor is a replacement for **Mercruiser Stern Drive** and **Mercury Marine**. It fits most **2.5L and 3.0L 2 barrel 4 cylinder engines**, and also works on **V8 5.0L 305**, and **5.7L 350 Mercruiser** engine with 2 barrel mercarb. The base bolt pattern is **3 3/4 x 2 inches**. It comes with an **Electric Choke** and **Side Fuel Inlet**, a short linkage mounted on the carburetor, and an unmounted long linkage.The part numbers are **3310-864940A01, 3310864940A01, 8M0045397**. It's made of high-quality aluminum alloy, capable of withstanding high heat, pressure, corrosion, acid, and alkali substances.The package includes:- 1x Carburetor for Mercruiser 3.0L 2.5L 4 CYL Engines- 3 x Gaskets- 1x Brass fitting- 1 x Replacement throttle arm- 4 x Jets- 1 x Air filter bolt- 1 x Bolt- 7 x nutThe jets pre-installed size is **#70.9**, and the 4 jets in the figure are used for custom purpose.Please match the model and part number before purchasing and compare the pictures with your old carburetor. If you are uncertain about the item, feel free to contact the us for confirmation.

• Replacement Parts: The carburetor replaces parts number 3310-864940A01, 3310864940A01, 8M0045397. It comes with an electric choke and side fuel inlet. It has a short linkage installed and a long linkage included in the box
• Compatibility: This carburetor is a replacement for Mercruiser Stern Drive and Mercury Marine. It fits most 2.5L and 3.0L 2 barrel 4 cylinder engines. The base bolt pattern is 3 3/4 x 2 inches. The pre-installed jets size is #70.9, and there are 4 additional jets for custom purposes
• Material: The carburetor is made of high-quality aluminum alloy, which can withstand high heat, pressure, corrosion, acid, and alkali substances, ensuring durability and longevity
• Package Contents: The package includes the carburetor, gaskets, a brass fitting, a replacement throttle arm, jets, an air filter bolt, a bolt, and nuts. This means it comes with everything needed for installation and maintenance
• Before Purchase: Please check pictures and size with base bolt pattern measuring 3 3/4 x 2 inches for more details. Carefully verify whether the carburetor you need to replace matches this item specifications
• Engine Applications: Compatible with multiple engine configurations including 2.5L, 3.0L 4 cylinder engines, as well as V8 5.0L 305 and 5.7L 350 Mercruiser engines with 2 barrel mercarb configuration
• Customization Options: Pre-installed jets are sized at #70.9, with 4 additional jets included in the package for custom tuning and performance adjustments to meet specific engine requirements