OTC Tools 5039 Charged Air Cooler Tester.
- Easy way to find air leaks in the charged air cooler systems
- Used on class 7 and 8 class truck engines
- Large 2-1/2″ 0-60 PSI pressure gauge
- Includes regulator and relief valve and two safety cables
- Quick disconnect air fittings that attach to a 3″ 3-1/2″ or 4″ cooler hose
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