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Duramax Carbon Fiber Air Box Lid
emissions friendly upgrade you'll wish you would've made sooner
When the conditions are at their worst
These are In Stock 24 Available as of 4/29/2026
To help keep your differential oil cleaner
GMC ONLY - PPE Catch Can / Crankcase Ventillation Oil / Water Separation Kit 114023050 L5P Duramax Carbon Fiber Air BoxKIT RECEIVED WILL BE THE CHEVROLET KIT PLUS AN ADDITIONAL BRACKET (GENUINE PPE) TO FIT THE GMC VERY LIMITED STOCK GMC VARIATION IF YOU HAVE A CHEVROLET, please verify part number needed. The 3. 0 Duramax Diesel is designed to route the crankcase vapors back into the intake to be burned rather than venting to the atmosphere. In doing so, the oil and water vapor actually builds up in the charge air cooler as well as makes it way into the intake then
