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enhanced performance acdelco professional 12t121d engine coolant thermostat (with gasket) - optimal 187 degree control logo

Enhanced Performance ACDelco Professional 12T121D Engine Coolant Thermostat (with Gasket) - Optimal 187 Degree Control Review

4

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Average

Revainrating 3 out of 5  
Rating 
3.0
🌡️ Engine Cooling & Climate Control, 🛠️ Replacement Parts

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Description of Enhanced Performance ACDelco Professional 12T121D Engine Coolant Thermostat (with Gasket) - Optimal 187 Degree Control

Control the flow of coolant through the radiator to enable the engine to reach and maintain its normal operating temperature. Professional, premium aftermarket replacement engine coolant thermostat. Provides the performance and dependability you expect from ACDelco. Manufactured to meet expectations for fit, form, and function.

Reviews

Global ratings 4
  • 5
    2
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    2

Type of review

Revainrating 5 out of 5

NOT 🚫 FOR C5 Corvette

🚫 Not suitable for C5 Corvette. C5 consists of 1 pc. The thermostat and housing are one and cannot be separated. I have a 2003 50th Anniversary Corvette.

Pros
  • Easy to read control panel
Cons
  • No instructions

Revainrating 5 out of 5

Bought this "OE thermostat " because I needed mine.

I bought this "OE Thermostat" because I wanted my car to be original. Turns out it's a MotoRad thermostat. Just buy a MotoRad thermostat for a few dollars less. The same thing!

Pros
  • Certified
Cons
  • Nothing

Revainrating 1 out of 5

Factory parts at a bargain price

There's nothing quite like genuine parts. The aftermarket thermostat made my truck's temperature erratic. I'm a little excited. A little over half on the meter. This factorial thermostat sits right at 180 degrees and keeps the temperature below half the mark on the gauge.

Pros
  • Great for me
Cons
  • Clarity