Best Crankcase Ventilation Filters of 2025

The Fleetguard CV52001 Crankcase Filter is a must-have for anyone looking to protect their engine and remove emissions. Its Open Crankcase Ventilation (OCV) system eliminates mist, aerosol vapors, and oil drip in the engine compartment, reducing oil consumption and keeping the engine running smoothly. It fits most 6.7L Cummins engines on 2007+ Ram 2500, 3500, 4500 & 5500, and is compatible with OE numbers CV52001, 4936636 & 68002433AB.

The Doc's Diesel CCV Filter is designed for your 2007.5-2023 Ram 6.7L Cummins. Made from high-quality materials, it resists heat and oil, ensuring durability and longevity. This filter meets or exceeds OEM filtration standards, providing you with peace of mind regarding your vehicle’s performance. You can rely on it for efficient crankcase ventilation, helping to maintain optimal engine function. With a recommended replacement interval of 67,500 miles, it offers convenience by aligning with your vehicle's warranty needs, making maintenance easier for you.

The Dorman Crankcase Ventilation Filter is a cost-effective solution that matches the fit and function of the original equipment filter. It is designed from durable materials to resist heat and oil, ensuring a long service life. Quality tested for a perfect fit, this filter is an ideal replacement for your vehicle. To ensure it fits your exact make, model and trim level, use the garage tool.

The Standard BF37 Ventilation Filter is designed specifically for crankcase ventilation, ensuring optimal engine performance. Weighing just 0.018 kilograms and measuring 3.81 x 9.144 x 5.334 centimeters, its compact size makes it easy to install in your vehicle. This filter plays a crucial role in maintaining a clean air flow within the crankcase, which can enhance engine efficiency and longevity. By using a vehicle-specific fit type, you can be confident that this filter will suit your car perfectly, providing peace of mind and convenience in your maintenance routine.

The Doc's Diesel CCV Filter is built from high-quality materials designed to withstand heat and oil, ensuring durability and reliable performance. It meets or exceeds OEM filtration standards, providing peace of mind that your engine is protected. You can follow the recommended replacement interval of 67,500 miles or as dictated by your vehicle’s warranty, making maintenance straightforward. This filter is compatible with various Ford models from 2016 to 2019, giving you versatility and convenience in your choices.

The PartsFlow Crankcase Filter is designed specifically for 2017-2019 Ford Super Duty models with a 6.7L V8 engine. Its precise fit ensures optimal performance in your vehicle, preventing engine oil and heat from causing damage. Made with durable polypropylene, this filter can handle tough conditions, enhancing your engine's longevity. Additionally, it comes with a 24-month warranty for peace of mind. Before ordering, users are advised to verify the product's appearance and part number for compatibility, ensuring a hassle-free installation.

The Standard BF40 Ventilation Filter is designed to enhance your vehicle's engine performance. With dimensions of approximately 5.83 x 2.32 x 0.66 inches, it fits seamlessly into your engine's air system. Weighing only 0.66 pounds, this lightweight filter is easy to handle and install, providing convenience during maintenance. Sold as a single unit, it ensures you have what you need to keep your engine running smoothly. By effectively filtering crankcase gases, this product helps maintain optimal engine function, which can lead to improved fuel efficiency and reduced emissions.

The Standard BF14 Ventilation Filter is designed to fit a variety of vehicle makes and models, ensuring compatibility with your car. With its compact size, measuring 16.51 cm in height and 13.97 cm in width, it can be easily installed in tight spaces. Weighing only 0.068 kilograms, this filter is lightweight, making handling and installation straightforward for users. Manufactured in Taiwan, it reflects quality and reliability, providing peace of mind as you maintain your vehicle's performance. Choosing the right crankcase ventilation filter can enhance your engine's efficiency and longevity.

The AngyMeck CCV Filter is designed for a wide range of vehicles, including many Dodge Ram and Freightliner models. This compatibility ensures that you can find the right fit for your vehicle, enhancing its performance. The filter's dimensions and construction materials, such as polypropylene and polymers, contribute to its durability and effectiveness in maintaining your engine's health. Additionally, the product comes with a one-year warranty, providing you peace of mind with your purchase. Checking the part number before ordering guarantees that you get the correct filter for your needs.

The FEXON Crankcase Filter is a high-quality replacement designed specifically for Freightliner Cascadia, Columbia, and International ProStar vehicles. Made from durable materials, this filter offers excellent resistance to heat and oil, ensuring optimal performance. It matches the fit and functionality of the original equipment filter, providing peace of mind for your vehicle's maintenance. Additionally, it meets or exceeds OEM standards, giving you confidence in its durability and effectiveness. By choosing this aftermarket option, you can save both time and money while ensuring your crankcase ventilation system operates efficiently.