Description
Product Overview
The KOROP Crankcase Ventilation Filter is a direct replacement for the OEM breather filter used in Cummins 6.7L ISB engines. Constructed from high‑grade metal mesh, the filter provides superior durability and resistance to clogging compared to standard paper elements. It conforms to part numbers CV52001, 68002433AA, 68002433AB, 68002433AC, 4936636, and 904‑418, ensuring a perfect fit for vehicles such as 2008‑2021 Dodge Ram 2500/3500/4500/5500, 2008‑2015 Ford F650/F750, and various Blue Bird school buses. The compact dimensions (16.81 x 7.24 x 3.31 inches) and lightweight design (2.2 lb) make installation straightforward, while the tested certification guarantees performance that meets or exceeds OEM standards.
Usage
Designed for heavy‑duty trucks and commercial vehicles, this filter excels in demanding environments where engine longevity and consistent power delivery are critical. Whether operating on construction sites, long‑haul routes, or school bus fleets, the filter maintains optimal crankcase ventilation, reducing oil blow‑by and preventing harmful deposits. Ideal for fleet managers and owners seeking a reliable, cost‑effective solution that minimizes downtime and supports compliance with emission regulations.

Why Choose Us
KOROP combines rigorous engineering with premium materials to deliver a filter that outperforms generic alternatives. Each unit undergoes strict quality control and is certified to meet OEM specifications, providing confidence in fit and function. The 6‑month warranty and hassle‑free return policy underscore our commitment to customer satisfaction, while the competitive price reflects our efficient manufacturing process without compromising durability.
Key Features
- High‑quality metal mesh construction for extended service life
- Exact OEM fit for Cummins 6.7L ISB engines across multiple vehicle brands
- Improves engine breathing, enhancing performance and fuel efficiency
- Meets or exceeds original part specifications (CV52001, 4936636, etc.)
- Backed by a 6‑month warranty and easy return policy
FAQ
Is this filter compatible with my 2019 Dodge Ram 3500?
Yes, the KOROP filter is designed for all Dodge Ram models equipped with the Cummins 6.7L ISB engine from 2008 to 2021, including the 2019 Ram 3500.
How often should the filter be replaced?
We recommend replacement every 30,000 miles or 24 months, whichever comes first, to maintain optimal ventilation and engine health.
Can I install the filter myself?
Installation is straightforward and requires basic hand tools. Detailed instructions are included, and many users complete the swap in under 30 minutes.
Does the filter affect emissions compliance?
The filter meets OEM emission standards, helping your vehicle stay compliant with EPA regulations.
What warranty does KOROP provide?
The product includes a 6‑month limited warranty covering defects in materials and workmanship, with a full refund or replacement option.




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