KOROP 6.7L Cummins CCV Crankcase Ventilation Filter for 2008–2021 Dodge Ram — Direct-Fit, OEM-Replace

KOROP's direct-fit 6.7 Cummins crankcase ventilation (CCV) filter replaces OEM part numbers CV52001, 68002433AB, 4936636 and 904-418 to restore proper breather function on 6.7L ISB diesel engines.

This replacement crankcase breather element is engineered for vehicles using the Cummins 6.7L ISB powerplant, including Dodge Ram 2500/3500/4500/5500 models from 2008–2021 and a broad range of commercial chassis produced across 2008–2019. Built from durable materials and tested to meet OEM standards, the filter captures blow-by contaminants and helps keep the PCV/CCV system flowing as designed. It ships with a six-month limited warranty and is supplied at a value-priced alternative to dealer parts.

Which vehicles and engines will this CCV filter fit?

This element is made for the Cummins 6.7L ISB diesel found in many heavy-duty trucks and commercial buses. Fitment covers Dodge Ram 2500, 3500, 4500 and 5500 from 2008 through 2021, plus numerous Freightliner, Blue Bird, and Ford chassis listed in manufacturer references.

• Direct fit for 6.7L ISB Cummins engines (2008–2021 Dodge Ram models).
• Compatible with 2008–2015 Ford F650/F750 and select Freightliner/Blue Bird platforms.
• Replaces OEM numbers: CV52001, 68002433AA/AB/AC, 4936636, 904-418.

How does this replacement part help engine performance and maintenance?

A functioning CCV filter captures oil mist and combustion by-products before they re-enter intake or ventilation pathways, helping reduce buildup and maintain crankcase pressure control. Replacing a clogged or degraded element helps sustain proper breathing and can simplify downstream maintenance tasks.

• Removes oil and particulate from crankcase vapors to protect intake components.
• Supports consistent crankcase pressure and PCV operation under load.
• Reduces frequency of related cleaning or component replacement when maintained on schedule.

What quality and warranty assurances come with this KOROP filter?

This filter is manufactured from robust materials and undergoes testing to align with OEM performance expectations. KOROP backs the product with a six-month warranty and a straightforward return policy so you can replace it without dealer pricing.

• Constructed from durable media and housings designed for heavy-duty use.
• Tested to meet or exceed factory fit and filtration characteristics.
• Includes a 6-month limited warranty and easy return/refund options.

How do I install or verify correct fitment for my vehicle?

Installation typically follows the factory CCV/PCV removal steps for the 6.7L ISB; no permanent modifications are required. Always confirm part numbers and vehicle year/engine configuration before ordering and consult a service manual or technician for torque and sealing procedures.

• Verify compatibility using OEM replacement numbers listed on the product page.
• Follow vehicle manufacturer service procedures for CCV element replacement.
• Inspect seals and mating surfaces; replace any worn gaskets during service.

Who is this for: technicians, fleet managers and owners of trucks or buses powered by the Cummins 6.7L ISB who need a cost-effective, tested replacement for a worn or blocked crankcase ventilation filter. If you operate a 2008–2021 Dodge Ram 2500–5500 or the listed commercial chassis and you want a like-for-like CCV breather element with warranty support, this KOROP unit is a practical aftermarket option.