Quicksilver 891663001 Air Temperature Sensor Assembly

The Quicksilver 891663001 is a genuine OEM air temperature sensor assembly designed for Mercury Marine and Mariner outboard engines. This electronic temperature sensor provides accurate air temperature readings that are critical for optimal engine performance and fuel management in marine applications.

Key Features:

• Genuine Mercury Marine OEM part for reliable performance
• Electronic temperature sensor with precise monitoring capabilities
• Durable construction built to withstand harsh marine environments
• Direct replacement part for seamless installation
• Compatible with Mercury, Mariner, and MerCruiser engines

Applications:

• Mercury Verado outboards (75-400 HP, 4-stroke)
• Mariner Verado outboards (135-300 HP)
• Fits charge cooler and intake manifold assemblies on various engine models
• Used on both Gen I and Gen II configurations

This temperature sensor assembly is an essential component for maintaining proper engine operation. It monitors air temperature in the charge cooler and intake manifold system, allowing the ECU to adjust fuel injection parameters for optimal performance, fuel efficiency, and reduced emissions. Factory replacement part backed by Mercury Marine's quality standards.