Stant 74049 Engine Coolant Temperature Sensor

Stant 74049 Coolant Temperature Sensor

The Stant 74049 coolant temperature sensor is an OEM-approved replacement built with premium materials and calibrated resistance for precise temperature signal output. It is a direct-fit engine coolant temperature sensor for select Chevrolet and GMC applications, including Chevrolet Corvette, Tahoe, S10, G20, G30, P30, and GMC Yukon, G2500, G3500.

Key Features

• OEM-approved premium materials for dependable engine cooling system service
• Factory-tested resistance calibrated to tight precision tolerances
• Clean, simple design with fewer components for easier installation
• Lightweight and cost-effective replacement for the original sensor
• Compatible with select 1995-1999 Chevrolet and GMC vehicles

Product Details

Stant Coolant Temperature Sensor 74049 is engineered for accurate coolant temperature reporting to the engine management system. That signal helps the vehicle monitor operating temperature and maintain proper fuel and ignition control. This part number 74049 is a practical replacement choice for drivers servicing a 1995-1996 Chevrolet Corvette coolant temperature sensor, a 1995 Chevrolet Tahoe coolant temperature sensor, or a 1995-1999 Chevrolet P30 coolant temperature sensor application.

The Stant coolant temperature sensor line focuses on straightforward OE-style replacement parts with calibrated electrical performance and a compact design. For buyers searching part number 74049, this sensor supports direct replacement needs across Chevrolet and GMC cooling-system service applications.

Vehicle Fitment

• Fits 1995-1999 Chevrolet P30, N/A
• Fits 1995-1996 Chevrolet Corvette, N/A
• Fits 1995-1996 Chevrolet G30, N/A
• Fits 1995 Chevrolet G20, N/A
• Fits 1995 Chevrolet S10, N/A
• Fits 1995 Chevrolet Tahoe, N/A
• Fits 1995-1996 GMC G3500, N/A
• Fits 1995 GMC G2500, N/A
• Fits 1995 GMC Yukon, N/A

Common Issues This Sensor Can Address

• Incorrect coolant temperature readings on the dash or scan tool
• Hard starting or rough running caused by inaccurate temperature input
• Check engine light related to coolant temperature sensor performance
• Fuel mixture or idle control problems tied to faulty temperature data
• Cooling system monitoring errors after sensor wear or electrical drift

Installation Notes and Tips

Verify the connector style and sensor location on the vehicle before installation. Inspect the cooling system for leaks, corrosion, or damaged wiring, and replace any contaminated coolant as needed. Clear diagnostic trouble codes after installation and confirm the engine reaches normal operating temperature without new faults.

Quality Assurance

Stant builds this coolant temperature sensor with OEM-approved materials and factory-tested resistance calibration to support consistent electrical performance. The simplified design reduces unnecessary complexity while keeping the part practical for service replacement.