DAOKACUO 213-4777 Coolant Temperature Sensor – Fits Buick Cadillac Chevy GMC

Upgrade your GM vehicle with a trusted coolant temperature sensor

The DAOKACUO 213-4777 coolant temperature sensor is designed to replace the original part across a broad range of Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, and Suzuki models. With cross-reference options 213-4777, 12639899, and 2134777, you’ll find a direct fit that supports seamless swaps across many years and trims.

Quality you can rely on

Engineered for durability, this sensor uses high‑quality materials and OEM‑style construction to withstand daily driving. All units are 100% tested before shipment, and packaging is secure to protect the sensor in transit. The result is stable operation and a consistent signal to your engine management system.

• Reliable, stable performance in diverse driving conditions.
• Direct replacement with no calibration or programming required.
• Durable materials that meet or exceed OEM standards.
• Secure, protective packaging to prevent damage on delivery.

What you gain on the road

Replacing a faulty coolant temperature sensor can help your engine manage coolant flow and temperature readings more accurately. While results can vary by vehicle and condition, many drivers notice smoother operation and more consistent temperature data, which supports efficient engine management.

• Improved engine management and diagnostic reliability.
• Quicker installation with a tool‑free design and clear, OEM‑style connectors.
• Broad compatibility with multiple GM brands across model years.

Installation essentials

1. Use a diagnostic tool to identify fault codes and confirm the defective component.
2. Disconnect the wiring harness from the old sensor.
3. Install the new replacement part and secure the connectors.
4. Clear fault codes and test engine operation.

Notes on compatibility

Before ordering, confirm that the connectors and plugs match your existing setup to avoid a wrong purchase. This sensor is intended as a direct replacement for a wide list of models across Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, and Suzuki as described in the specs.

Reference numbers included: 213-4777, 12639899, 2134777.