The factory thermostat in the transmission cooler thermal block on 2019-2024 Ram 6.7L Cummins trucks can stick closed. When it does, fluid stops flowing through the cooler and the transmission runs hot. Randy's JuiceBox 2.0 takes the place of that thermostat with a one-piece billet aluminum bypass, so fluid always goes through the cooler.
It's a quick install, and you'll lose about half a quart of transmission fluid or less. Check and top off the fluid once the truck is up to operating temperature.
| Part number | 68RFE-G101 |
|---|---|
| Manufacturer | Randy's Transmissions |
| Material | One-piece billet aluminum |
| Transmission | 68RFE or Aisin AS69RC |
| Weight (per Randy’s) | 2 lb |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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