Best Crankcase Ventilation Filters in 2026

Bosch HEPA Premium Cabin Air Filters are designed and tested to meet High Efficiency Particulate Air (HEPA) standards based on ISO 29463-3:2011 and provide filtration efficiency of 99.97% at 0.3 microns

This efficiency provides ultimate protection in trapping particulates that can enter your vehicle and provides the cleanest air possible for you and your family

Melt-blown electrostatic layer and very dense media provide greater trapping capabilities; Additional static cotton layer added to the HEPA media provides higher capacity

✔【Ideal Replacement】: If the filter is not serviced,a greasy would be built-up on the turbo compressor wheel ,Then lowers the efficiency. This crankcase ventilation filter matches the fit and function of the original equipment filter, designed from quality materials. Replacement is recommend after more than 65,000 miles.

✔【Cost-Effective】: Direct Replacement,Perfect Fit,The crankcase ventilation with great price can save your money and it is equal with original equipment quality.All products 100% tested before shipping

✔【Compatible With】: The Crankcase Filter Breather Replacement for 2007- 2020 Dodge Ram 2500 3500 4500 5500 6.7L;Cummins ISB6.7 engines 2007 up;Freightliner;Blue Bird;For Ford F650/750 International Trucks.Please check the year/make/model refer to product description carefully to make sure it's fits.

Comes with 14" diameter, 3" element and 3-3/4" overall height

3/8" deeper flange for use with all Edelbrock carburetors

Perfectly fits with Signature Series valve covers

【REPLACEMENT】If your vehicle leaks oil, high idle speed, engine performance declines, etc., a failed crankcase filter might be the problem. This ISX15 crankcase breather is manufactured to the OE specification to provide factory-fresh appearance and direct-fit, exactly OEM design to replace your defective filter

【LONG LIFE-SPAN】Long life-span matters, that is why the housing of our cummins ventilation filter is crafted from reinforce material, features high resistance against temperatures and better durability, meanwhile effectively remove oil vapor and restore good driving performance

【REPLACES#】904-7904, 99340, CB57, 3685528, CV50617, CV50634, CV50633. Please make sure the part number before purchase! The Kenworth crankcase element has been tested to ensure trouble-free installation and performance

SMP BF38 Standard Crankcase Ventilation Filter

Part number: BF38

Fit type: Vehicle Specific

The CV50628 is a High-efficiency crankcase aerosol filter.

The Fleetguard CV 50628 crankcase ventilation filter is designed to reduce oil consumption and minimize environmental waste.

FG CV50628 Crankcase Ventilation Coalescer Element used on Cummins ISC/ISL engines.

REPLACE PART NUMBER: 2530029, 9999999. Please check the part number and pictures to verify this is the part you need.

THE BEST PRICE & QUALITY: Reasonable price with OEM quality, saves your money from car dealership.

EASY INSTALLATION: Direct replacement for a proper fit and easy installation, meets or exceeds OEM standards, 100% tested before shipping.

Compatible/Replacement for Ram 2500 3500 4500 5500 6.7L 2007.5-2020 and Any vehicle using the 6.7L ISB Engines.

Cross reference: CV52001,68002433AA,68002433AB,68002433AC,4936636,5263190.

Why this filter is needed:The ISB crankcase filter cummins 6.7 6.7L diesel engine employs a closed crankcase ventilation system.If the filter is not serviced,a greasy would be built-up on the turbo compressor wheel.Then lowers the efficiency.

CRANKCASE VENTILATION FILTER - TOP quality Crankcase Ventilation Filter, this crankcase filter is designed from quality materials for resistance to heat and oil, this crankcase ventilation filter matches the fit and function of the original equipment filter, is designed from quality materials for resistance to heat and oil

COMPATIBLE WITH FOLLOWING VEHICLES - Crankcase Ventilation Filter fit for Freightliner Cascadia Columbia International ProStar, please check the fitment in the product description below

REPLACE PART NUMBERS - ‎3691476, 904-7904, 99340, CB57, 3685528, CV50617, CV50634 Please check the part numbers whether it suits your vehicle before purchasing.

BMC Filters are constructed using a process called "Full Moulding" developed by the BMC F1 R&D team

BMC air filters are designed and produced to ensure a higher air flow than OEM air filters

The filtering material is composed of a special cotton gauze soaked with low-viscosity oil to give you the best air permeability

【Compatible Vehicles-1】Fits for all vehicles equipped with 6.7L Crankcase Ventilation Filters

BMC Filters are constructed using a process called "Full Moulding" developed by the BMC F1 R&D team

BMC air filters are designed and produced to ensure a higher air flow than OEM air filters

The filtering material is composed of a special cotton gauze soaked with low-viscosity oil to give you the best air permeability

【Replacement Part Number】 - #FL-2077 FL2070. Before ordering, please confirm compatibility and weather are suitable for your vehicle!

【Compatible Vehicle】 - This Crankcase Ventilation Filter Engine Breather Element Separator compatible with 2016-2019 Ford F650 F750 6.7L V8 DIESEL.

【High Quality】 - Our Engine Oil Filter Separator made of high-performance material that are completely corrosion-resistant, wear-resistant, heat-resistant, strong impact resistance, and good overall performance. It’s equivalent parts fully comply with the original manufacturer's specifications and functions.

[IDEAL REPLACEMENT] This crankcase ventilation filter matches the fit and function of the original equipment filter.

[DURABLE CONSTRUCTION] This crankcase filter is designed from quality materials for resistance to heat and oil.

[FIT] Fit for 2008-2014 Peterbilt/Volvo/Kenworth Diesel.

【OE Number】FL-2077.

【Fitment】Our crankcase ventilation filter is compatible with Ford F650 F750 6.7L V8 Diesel 2016-2019.

【Features】※The filter can effectively filter oil contaminants and improve engine performance. ※ This crankcase ventilation filter is made of high quality plastic material case, durable, safe and reliable.

☝100% brand new and high quality.

☝1/4 inch quick fitting for easy connection.

☝Limits water pressure to protect equipment.

[OEM]: 15845-RPY-G01, Pls carefully verify your year & make & model in the product description or check your parts pictures & parts No. with ours before purchasing, so as to prevent buying wrong and unnecessary expenses. If your not sure or don't know, please contact us.

[Compatible]: Compatible with Honda(More models are below)

[Premium Quality]:Cheap and cheerful, easy to install with related installation video, durable, engineered from high-quality materials to improve reliability and durability.

OEM Replacement Part Number: 2049069100, 2049069200

Compatible with: Mercedes-Benz A B CLASS

Please refer to the product information and vechile models OEM Part Number of suitable vehicles and restrictions as well as other product-specific information. If you have anything pls contact us.

Bosch HEPA Premium Cabin Air Filters are designed and tested to meet High Efficiency Particulate Air (HEPA) standards based on ISO 29463-3:2011 and provide filtration efficiency of 99.97% at 0.3 microns

This efficiency provides ultimate protection in trapping particulates that can enter your vehicle and provides the cleanest air possible for you and your family

Melt-blown electrostatic layer and very dense media provide greater trapping capabilities; Additional static cotton layer added to the HEPA media provides higher capacity

Compatible with: Replacement for Ram 2500 3500 4500 5500 6.7L 2007.5-2020 and Any vehicle with the 6.7L ISB Engines.

Replace OE number: CV52001, 68002433AA, 68002433AB, 68002433AC, 4936636, 5263190.

Why this filter is needed: The ISB 6.7L diesel engine employs closed crankcase ventilation systems. If the filter is not serviced, a greasy would be built upon the compressor wheel. Then lowers the efficiency.

Compatible with: Replacement for Ram 2500 3500 4500 5500 6.7L 2007.5-2020 and Any vehicle with the 6.7L ISB Engines.

Replace OE number: CV52001, 68002433AA, 68002433AB, 68002433AC, 4936636, 5263190.

Why this filter is needed: The ISB 6.7L diesel engine employs closed crankcase ventilation systems. If the filter is not serviced, a greasy would be built upon the compressor wheel. Then lowers the efficiency.