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Review on GM Genuine Parts 20837 ๐Ÿ”ง Radiator: Reliable and Authentic Cooling Solution by Andy Mitts

Revainrating 4 out of 5

Works as it should

Fits perfectly in the 2000 Blazer 4x4. It integrates both the engine oil cooler and the transmission cooler. It's not possible to install a faucet, making a future coolant change a bit messier. That's the reason for 4 stars instead of 5. I also noticed that the core itself was a bit thinner than the OEM heatsink, but that doesn't seem to affect cooling. It still works great even if it's mid 90's.

Pros
  • Lots of positive emotions
Cons
  • Some cons