MERCURY 866295-C Mpi Gm Vortec Engine Throttlebody Throttle Body 5.0 V8

( Manufacturer Part Number: 866295-C ), ( Part Type: Engine Throttle ), ( Country Of Origin: United States )

Review MERCURY 5.0 Mpi V8 Gm Vortec Engine Throttlebody Throttle Body fits MERCRUISER MARINE 305

The Mercury 866295-C throttle body is a crucial component of the Mercruiser 5.0 MPI 305 V8 GM Vortec marine engine. This throttle body, manufactured by Mercury Marine, is designed to provide precise fuel delivery and throttle control for optimal engine performance.

The Mercury 866295-C throttle body features an electronic throttle control system, which allows for smooth and responsive acceleration. It is equipped with a 360-degree electronic position sensor that provides real-time feedback to the engine control module, ensuring precise throttle positioning and efficient fuel delivery.

The throttle body boasts a robust construction, with a cast aluminum housing that is resistant to corrosion and wear. It is also designed to be easily accessible for maintenance, with a removable top cover that provides easy access to the internal components.

The Mercury 866295-C throttle body is compatible with a wide range of Mercury and Mercruiser applications, making it a versatile choice for boat owners. It is also designed to meet the latest emissions regulations, ensuring that your marine engine is not only performing optimally but also meeting environmental standards.

Installation of the Mercury 866295-C throttle body is straightforward, with clear installation instructions provided by Mercury Marine. It is recommended that the installation is carried out by a qualified marine technician to ensure proper installation and calibration of the throttle body.

In summary, the Mercury 866295-C throttle body is a high-performance and reliable component that is essential for the optimal operation of the Mercruiser 5.0 MPI 305 V8 GM Vortec marine engine. Its electronic throttle control system provides precise fuel delivery and throttle control, while its robust construction ensures durability and ease of maintenance. With its compatibility with a wide range of applications and emissions compliance, the Mercury 866295-C throttle body is a smart investment for any boat owner.

The Mercury 866295-C/Mercruiser 5.0 MPI 305 V8 GM Vortec marine engine throttle body is a crucial component for controlling the engine's RPM and fuel delivery system. Here are some pros and cons that might help you make an informed decision about purchasing this throttle body.

1. Fuel-efficient: This throttle body is designed to work with the engine's Multi-Port Fuel Injection (MPI) system, which optimizes fuel delivery for improved efficiency and reduced emissions.

2. Durable: The Vortec marine engine is known for its durability and reliability, and the same holds true for this throttle body. It is made of high-quality materials and is designed to withstand the rigors of marine use.

3. Easy installation: The throttle body comes with all necessary hardware and is relatively easy to install, making it a popular choice among DIYers and professional technicians.

4. OEM Quality: This throttle body is a direct OEM replacement, ensuring a perfect fit and function.

1. Expensive: Compared to aftermarket alternatives, this OEM throttle body can be quite pricey.

2. Limited Compatibility: This throttle body is specifically designed for the Mercury/Mercruiser 5.0 MPI 305 V8 GM Vortec marine engine, making it less versatile for those with different engine models.

3. Potential for Leaks: As with any throttle body, there is a risk of leaks, which can lead to costly repairs and downtime.

The Mercury 866295-C/Mercruiser 5.0 MPI 305 V8 GM Vortec marine engine throttle body is a high-quality component that offers excellent fuel efficiency, durability, and easy installation. However, it comes with a hefty price tag and is only compatible with specific engine models. Ultimately, the decision to purchase this throttle body depends on your budget, engine model, and priority for OEM parts.

If you own a Mercury/Mercruiser 5.0 MPI 305 V8 GM Vortec marine engine and prioritize OEM parts, this throttle body is an excellent choice. However, if you are looking for a more cost-effective alternative, consider exploring aftermarket options from trusted manufacturers. Remember to double-check the compatibility before making a purchase.

Details:

Look at pictures closely and ask any questions, I try to describe parts as best can. Mounting hardware is only included if it shown in the pictures. Part was removed from a MerCruiser 5.0 MPI 305 V8 GM Vortec Marine Engine. I will do my best to resolve the issue.

Shelf 28-4-7-B. Please look at all pictures and read entire before buying. Condition: Good used condition. What you see in the pictures is what get.

Thanks -Mike.

part #: 866295 prices

• $162.16-$207.90

specifications otsterndriv:

• for models: Marine, 305, Mercruiser
• for makes: Mercury
• mpn: 866295-c
• part type: Engine Throttle
• country of origin: United States

seller otsterndriv:

• city: Huron, Ohio
• rating: 99.6%
• # reviews: 119832

offer otsterndriv:

• sold: 0
• options: Ship-to-home
• started: March 18, 2026
• availability: In Stock
• quantity: 1

general otsterndriv:

• condition: Used
• Boat Parts > Sterndrive Motors Components > Other

payments otsterndriv:

• credit card: Visa
• other
• wallet: Apple-pay

shipping otsterndriv:

• service: FedEx Ground / FedEx Home Delivery, USPS Ground Advantage, USPS Priority Mail
• type: Calculated
• carrier: FedEx, USPS
• cost: $22.94
• transit: 2-6 Days
• class: Standard, Expedited

returns otsterndriv:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

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