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United Kingdom, Belfast
1 Level
720 Review
38 Karma

Review on Enhance Cooling Performance with GM Genuine Parts 15-1119 Air Conditioning System Valve Core by Dave Willis

Revainrating 5 out of 5

OEM best for air conditioning

I tried these cheap Chinese Schrader types and after a few days they leak freon. Removal was also difficult as they are loose fitting and are non-magnetic so cannot be removed. OEM Schrader valves fit better in the Mastercool installation tool and seal on the first try. On closer inspection the threads are deeper and the plastic O-ring looks like a different material compared to the clear Chinese imports which don't seal well.

Pros
  • Stylish and modern design
Cons
  • Blank