Cummins Oil Catch Can

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Cummins Oil Catch Can FAQ

An oil catch can intercepts oily vapors from the crankcase before they enter the intake, preventing carbon buildup on valves, turbos, and intercoolers. Cummins engines benefit greatly due to high blow‑by rates.

Our catch can fits both 5.9L (1998.5‑2007) and 6.7L (2007‑2024) Cummins engines in Dodge Ram 2500/3500 trucks. Verify your exact model year before purchase.

By keeping the intake tract clean, it maintains optimal airflow, reduces turbo lag, improves fuel economy, and extends the life of intake components and sensors.

Check every 3,000‑5,000 miles or at each oil change. Under heavy towing or high‑boost driving, you may need to drain more frequently. The transparent bowl makes inspection easy.

Yes, and it’s recommended. A catch can complements delete kits by further reducing intake contamination, especially when the factory CCV system is rerouted or deleted.

A catch can filters oil vapor; a CCV delete/reroute kit removes or redirects the entire crankcase ventilation system. Many users install both for maximum protection.