Magneti Marelli SPA138 Engine Coolant Water Temperature Sensor

The Magneti Marelli SPA138 is a precision-engineered engine coolant temperature sensor designed to provide accurate temperature readings for your vehicle's engine management system. This OE-quality sensor monitors coolant temperature and sends critical data to the ECU to optimize engine performance, fuel efficiency, and emissions control.

Key Features:

• Direct replacement for worn or failed factory temperature sensors
• Precision thermistor design ensures accurate temperature readings across full operating range
• Durable construction withstands exposure to coolant, heat, and vibration
• Helps prevent engine overheating by providing real-time temperature data
• Essential for proper fuel mixture calculation and ignition timing
• OE-quality manufacturing meets or exceeds original equipment specifications

A faulty coolant temperature sensor can cause poor fuel economy, rough idle, hard starting, and illuminated check engine lights. The Magneti Marelli SPA138 restores proper engine temperature monitoring to keep your vehicle running efficiently and reliably.