MERCURY 881666 Camshaft Position Sensor

( Manufacturer Part Number: 881666 ), ( Part Type: Camshaft Sensor ), ( Country Of Origin: United States )

Review MERCURY Genuine Camshaft Position Sensor New fits MERCRUISER

The Mercury 881666 Mercruiser Camshaft Position Sensor is an essential component of your marine engine's ignition system. This sensor is specifically designed for Mercury outboard engines and is responsible for providing accurate and reliable information about the position of the camshaft to the engine control module.

The Mercury 881666 sensor is a compact, yet robust device, with a cylindrical shape and a diameter of approximately 1.2 inches (30mm). It is made of high-quality materials, including a stainless steel housing, to ensure durability and resistance to harsh marine conditions. The sensor also features a watertight design, making it suitable for continuous use in wet environments.

The Mercury 881666 sensor utilizes a magnetic pickup to detect the position of the camshaft. The sensor is designed to be installed on the camshaft, with the pickup facing the camshaft lobes. When the lobes pass by the sensor, they generate a magnetic field that is detected by the pickup, providing a signal to the engine control module.

The Mercury 881666 sensor is designed to work in a wide range of temperatures, from -40 F to 257 F (-40 C to 125 C). This makes it suitable for use in various marine environments and conditions. The sensor also features a built-in diagnostic function, which allows it to communicate with the engine control module to provide real-time information about its operating status.

Installing the Mercury 881666 sensor is a straightforward process, and it comes with all necessary hardware for a standard installation. The sensor is designed to be a direct replacement for the original equipment sensor, making it an ideal choice for Mercury outboard engine owners looking for a reliable and cost-effective solution.

In summary, the Mercury 881666 Mercruiser Camshaft Position Sensor is a high-quality, reliable, and robust component designed to provide accurate and reliable information about the position of the camshaft to the engine control module. Its compact size, durable construction, and wide temperature range make it suitable for use in various marine environments, making it an essential accessory for Mercury outboard engine owners.

Mercury 881666 Mercruiser Camshaft Position Sensor: A Comprehensive Analysis

The Mercury 881666 Mercruiser Camshaft Position Sensor is an essential component in the ignition system of Mercury outboard motors. Its primary function is to monitor the position of the camshaft and provide the necessary information to the engine control module for optimal engine performance. In this analysis, we will discuss the pros and cons of buying this camshaft position sensor, ending with a conclusion and recommendation.

1. Enhanced Engine Performance: A faulty camshaft position sensor can lead to poor engine performance, misfiring, and rough idling. Replacing the defective sensor with a new one can improve the overall performance of the engine.

2. Improved Fuel Efficiency: A properly functioning camshaft position sensor ensures the engine is running at its most efficient level, which can result in better fuel economy.

3. OEM Quality: Mercury is a reputable brand, and the 881666 Mercruiser Camshaft Position Sensor is an original equipment manufacturer (OEM) part. This means it is designed specifically for Mercury outboard motors and ensures a proper fit and function.

1. Cost: The Mercury 881666 Mercruiser Camshaft Position Sensor can be an expensive replacement, especially when compared to aftermarket alternatives. However, the cost is justified due to its OEM quality and specific design for Mercury outboard motors.

2. Availability: Depending on the location and availability, it may take some time to source and receive the Mercury 881666 Mercruiser Camshaft Position Sensor. Local dealers or authorized repair centers may have it in stock, but online retailers might offer faster shipping options.

The Mercury 881666 Mercruiser Camshaft Position Sensor is a crucial component in the proper functioning of Mercury outboard motors. While it may come with a higher cost compared to aftermarket alternatives, its OEM quality and specific design for Mercury outboards make it a worthwhile investment for optimal engine performance and improved fuel efficiency.

If you own a Mercury outboard motor and are experiencing issues related to engine performance or rough idling, consider replacing the camshaft position sensor with the Mercury 881666 Mercruiser Camshaft Position Sensor. Ensure you purchase it from a trusted retailer or authorized Mercury dealer to guarantee OEM quality and proper fitment. Additionally, consider checking local inventory or online marketplaces for availability and pricing options.

Details:

Genuine Mercury MerCruiser Camshaft Position Sensor, Part Number 881666, Please verify compatibility with a dealer before purchase.

part #: 881666 prices

• $35.99-$202.68

specifications otsterndriv:

• for models: Mercruiser
• for makes: Mercury
• mpn: 881666
• part type: Camshaft Sensor
• country of origin: United States

offer otsterndriv:

• availability: In Stock
• started: January 17, 2026
• quantity: 2
• options: Ship-to-home
• sold: 0

returns otsterndriv:

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

payments otsterndriv:

• credit card: Mastercard
• wallet: Google-pay
• other

seller otsterndriv:

• rating: 99.7%
• city: Elizabethton, Tennessee
• # reviews: 10463

general otsterndriv:

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

shipping otsterndriv:

• transit: 6-12 Days
• service: USPS Ground Advantage, USPS Priority Mail
• type: Fixed
• cost: $0.00
• carrier: USPS
• class: Standard, Expedited

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