After your purchase, you will receive step-by-step instructions via email for a hassle-free installation
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2017-2024 L5P 6.6L Duramax Diesel GMC Sierra 2500 3500 HD
2017-2024 L5P 6.6L Duramax Diesel Chevrolet Silverado 2500 3500 HD
Crew cab short bed & crew cab long bed. This will not fit the 3500/4500/5500 Cab&Chassis commercial style truck.
CCV stands for “Crankcase Ventilation”. On all diesels, and especially the L5P, the CCV is connected to a valve cover to extract the combustion gasses that have entered the crankcase via bypassing the piston rings, and other gasses as the result of oil aeration. The CCV system connects to the factory intake or intake manifold, in the case of diesels – the intake air horn. The factory intake air horn draws a vacuum across the CCV system by way of Bernoulli’s principle to pull crankcase gases out of the engine and reburn them in the motor. The problem is often as a diesel wears out they end up with a lot of blow by and oil injection into the inlet of the turbo. The truck consumes this oil as part of emissions standards and best practices of crankcase evacuation.
The purpose of this upgrade is to improve the reliability of the existing L5P CCV system, which is prone to failure due to plastic cracking over time, and to prevent high-temperature charge air from the turbo from entering the intake air horn through the factory CCV system.
The CCV upgrade system, once installed, allows for more efficient removal of oil from the CCV supply line using two integrated differential drop devices in the CCV block. This method, commonly used in marine and high-output diesel applications, is passive and has no moving parts. It helps maintain a clean intake track and prevents hot air and oil from entering the system.
The factory CCV system tends to fail over time, and when it does, it allows boost pressure from the CCV to enter the intake track through the intake air horn. Additionally, it is not serviceable, and replacing it requires removing the entire driver’s side valve cover, including injectors and fuel lines, which is time-consuming and costly.
Removing the factory CCV component eliminates a potential failure point and provides a more convenient and safe oil fill location at the front of the motor. It also separates the CCV system from the oil fill port for safety reasons.
At DPFDeletepipe, we recognize how crucial timely delivery is for our customers who are eager to enhance their vehicles with performance parts. Our commitment to expedited shipping is designed to ensure a smooth and efficient delivery process. We strive to dispatch all orders within two business days, though it’s important to remember that shipping times may occasionally be influenced by external factors.
Get ready for a streamlined upgrade experience! Here’s what you can expect:
Please note that these delivery times are estimates and may vary due to unforeseen circumstances. Each item is shipped by a different postal service, ensuring timely arrivals.
We genuinely appreciate your patience and understanding should we face any unexpected hurdles along the way.
Thank you for choosing DPFDeletepipe. Our enthusiasm for performance vehicles drives our dedication to providing exceptional customer service, including doing everything in our power to ensure your order arrives on time and as expected. If you have any questions about your order or our shipping policy, please don’t hesitate to reach out. Our team is here to assist and ensure your experience with us is nothing short of excellent.

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CyberX Diesel is a performance parts shop dedicated to diesel truck enthusiasts who demand power, efficiency, and reliability.