fits make: Buick, Chevrolet, Pontiac. year: 1976–2003.

( Brand: Echlin ), ( Manufacturer Part Number: TS4015 ), ( Part Type: Switch Engine Sensor )
The Echlin TS4015 and TS4052 Engine Coolant Temperature Sensor Switches are essential components for maintaining optimal engine performance in 1976-2003 Buick, Chevrolet, and Pontiac vehicles. These sensors are designed to monitor the engine coolant temperature and send signals to the vehicle's engine control system to adjust fuel injection, ignition timing, and other critical engine functions.
The Echlin TS4015 and TS4052 Coolant Temperature Sensor Switches are compact, robust, and reliable. They are made of high-quality materials that can withstand the harsh conditions of the engine compartment, including extreme temperatures and vibrations. The sensors have a corrosion-resistant housing to protect against rust and corrosion, ensuring a long service life.
The TS4015 and TS4052 Coolant Temperature Sensor Switches feature a precise temperature sensor that provides accurate and reliable temperature readings to the engine control system. The sensor is designed to respond quickly to changes in coolant temperature, allowing the engine control system to make timely adjustments to maintain optimal engine performance.
Installation of the Echlin TS4015 and TS4052 Coolant Temperature Sensor Switches is straightforward and can be done by a DIY enthusiast or a professional mechanic. The sensors come with clear installation instructions, and the required tools are readily available at most auto parts stores.
In summary, the Echlin TS4015 and TS4052 Engine Coolant Temperature Sensor Switches are essential components for maintaining optimal engine performance in 1976-2003 Buick, Chevrolet, and Pontiac vehicles. They are made of high-quality materials, are compact and robust, and feature a precise temperature sensor for accurate temperature readings. Installation is straightforward, and these sensors will provide reliable service for many miles to come.
Pros of buying a 1976-2003 Buick, Chevrolet, Pontiac engine coolant temperature sensor switch (TS4015 or TS4052, or Echlin equivalent):1. Availability: These switches are relatively common and widely available from various automotive parts suppliers, both online and in physical stores.
2. Cost-effective: Compared to buying a new sensor, a used or remanufactured switch can be a more cost-effective solution, especially if the original part is no longer being produced or is expensive.
3. Functionality: Assuming the switch is in good working condition, it should reliably detect the engine coolant temperature and send the correct signal to the engine control unit, which can help prevent engine overheating and other related issues.
Cons of buying a 1976-2003 Buick, Chevrolet, Pontiac engine coolant temperature sensor switch (TS4015 or TS4052, or Echlin equivalent):1. Quality concerns: When buying used or remanufactured parts, there may be concerns about the quality of the switch, such as wear and tear, corrosion, or damage.
2. Compatibility issues: It is important to ensure that the switch is compatible with the specific make, model, and year of the vehicle, as well as with the engine control unit.
3. Risk of failure: Even if the switch is in good condition when purchased, it is still a used part and may fail at some point in the future.
Conclusion: Buying a 1976-2003 Buick, Chevrolet, Pontiac engine coolant temperature sensor switch (TS4015 or TS4052, or Echlin equivalent) can be a cost-effective solution, but it is important to consider the potential risks and to thoroughly inspect the part before installing it. It may be worth considering buying a new switch from the original manufacturer or a trusted aftermarket supplier to ensure quality and compatibility. Ultimately, the decision to buy a used or new switch should be made based on the individual needs and budget of the vehicle owner.
Boxes TS4052 1 each and TS4015 3 each. Come with new plugs. All gm original take outs with Napa boxes.
There were no problems with these.