Beck/Arnley 158-1678 Coolant Temperature Sensor

The Beck/Arnley 158-1678 Coolant Temperature Sensor is a precision engine management component designed to monitor coolant temperature and relay accurate data to your vehicle's engine control unit (ECU). This sensor plays a critical role in fuel mixture optimization, ignition timing, and engine performance across various operating conditions.

Key Features:

• Engineered to meet or exceed original equipment (OE) specifications for form, fit, and function
• Precision thermistor design ensures accurate temperature readings across the full operating range
• Durable construction with corrosion-resistant materials for long service life
• Direct replacement for failed or faulty factory coolant temperature sensors
• Quality-tested through Beck/Arnley's global sourcing network for reliable performance

This sensor mounts directly into the engine cooling system and provides the ECU with real-time coolant temperature data, enabling proper cold-start enrichment, optimal fuel economy, and accurate temperature gauge readings. Beck/Arnley's commitment to foreign nameplate quality ensures this sensor delivers OE-level performance and durability.