Best Automotive Performance Breather Filters in 2026

Proven protection for up to 10,000 miles

Engineered for use with conventional or synthetic motor oil

A special blend of fibers and resin creates a proprietary filter media that captures 95% of dirt particles that can cause harmful engine wear

EASY INSTALLATION: Engine oil filter comes with Suregrip non-slip surface making it easy to remove and implement your filter without slippery mess ups. Perfect for the DIYer like yourself, just screw new filter on until gasket reaches base contact and tighten.

DURABLE DUAL LAYER: Compare to standard oil filters, FRAM Ultra Synthetic provides 99%+ filtration efficiency with pleated media that entraps all kinds of dirt and exhaust for a cleaner output.

SUPERIOR ENGINE PROTECTION: FRAM car oil filter is composed of a slick silicone anti-drainback valve, delivering superior start-up engine protection with up to 3X the hot oil resistance. Keep your filter clean without the dangerous mess.

For all valve covers with 1-1/4 inch filler-breather holes

OEM replacement grommets

Designed for use with OE specifications for fit and function

ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.

EASY INSTALLATION: Pre-oiled and built with simple clamp-on design. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.

SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.

Extensive R&D

Precision built

Proven performance

REPLACEMENT Crankcase Ventilation Filter -restores drivability.

FITMENT - Any Vehicle Using The Cummins 6.7L ISB Engine . 2008-2021 Dodge Ram 2500 3500 4500 5500 , 2008-2015 Ford F650 / F750 , 2008-2018 Blue Bird All American FE/RE, 2008-2018 Blue Bird Vision School Bus, 2012-2017 Freightliner 108SD, 2008-2019 Freightliner B2, 2008-2009 Freightliner Cargo/M2, 2008-2013 Freightliner M2 106, 2008-2017 Freightliner MB Line/MC Line, 2011-2014 Freightliner MCL, 2008-2018 Freightliner MT45, 2008-2017 Freightliner MT55.

REPLACES# CV52001 , 68002433AA 68002433AB 68002433AC , 4936636 , 904-418

【Perfect substitute】 The air filter is a perfect replacement for those outdated intake system, give your car a new life.

【More air】 Help with more air flowing into the engine machine to improve throttle response and enhance horsepower.

【increase power】 The filter will improve overall air filtration, horse power, torque and gas mileage over stock filters.

Package Dimensions: 6.35 H x 14.478 L x 9.652 W (centimetres)

Package Weight: 0.25 pounds

Fit type: Vehicle Specific

weideer 100% Brand New, High Performance Air Filter

Mounting Hole Dia:12mm/ 0.47",Size:50 x 58mm/1.96 x 2.28in

Function:The car air cleaner is installed in front of the carburetor or intake pipe to filter out dust and sand particles in the air, ensures that enough clean air enters the cylinder.

Feature a one-piece aluminum backing plate/carb support bracket

APPLICABLE GEARBOX TYPES: MT/manual gearboxes are available in red, blue, silver and black. Inner Diameter: Approx. 13mm/0.5". Outer Diameter: Approx. 50mm/2 inches. Applicable gearbox type: MT/manual gearbox.

EXCELLENT FUNCTION: The car air filter can increase the intake air flow, filter the impurities in the air, make the engine breathe more smoothly, prevent the dust suspended in the air from being sucked into the cylinder, and reduce the wear of the piston group and the cylinder.

UNIQUE DESIGN: The unique shape reduces the intake resistance of the engine and improves the intake volume and volumetric efficiency per unit time when the engine is running. Before installing in the carburetor or intake pipe, filter dust and sand from the air to ensure enough clean air enters the cylinder.

🚗12mm breather filters with chrome plated  top plates and shields for beauty and durability improve air induction efficiency drastically by curt

🚗Designed to reduce the resistance of the engine air intake and improve per unit time air intake and volumetric efficiency when engine running and increase engine power and torque output

🚗Easy to install: bolt on the machine directly. Washing the air filter to keep it clean could be reusable

Mounting Hole Dia: 12mm/ 0.47",Size:50 x 58mm/1.96 x 2.28in

Function: The car air cleaner is installed in front of the carburetor or intake pipe to filter out dust and sand particles in the air, ensures that enough clean air enters the cylinder.

Easy to use: Easy to install, the universal air filter can be secured tightly onto your vehicle pipe, and you can adjust to required size with flat head screwdriver.

【Perfect Substitute】 The air filter is a perfect replacement for those outdated intake system, give your car a new life.

【More Air】 Help with more air flowing into the engine machine to improve throttle response and enhance horsepower.

【Increase Power】 The filter will improve overall air filtration, horse power, torque and gas mileage over stock filters.

Inner diameter: 12mm. Replacement high performance air filter, universal fits for Predator 212cc Coleman CT200U CT200U-EX BT200X Baja Warrior MB200 GX200 196cc 6.5 hp mini bike,motorcycle, ATV, go kart and so on

Double-layer screen,stop 99% of dirt particles for more air flowing into the engine, the breather filter increases horsepower and torque for maximum

Simple clamp-on models in black and chrome finishes. Easy to install. Bolt the valve cover breather on directly to the machine for work

Crankcase Breather filter w/ chrome cap - 1.5" (38mm) inlet i.D.

Real horsepower only from vibrant

Excellent quality as you would expect from vibrant

Proven protection for up to 10,000 miles

Engineered for use with conventional or synthetic motor oil

A special blend of fibers and resin creates a proprietary filter media that captures 95% of dirt particles that can cause harmful engine wear

Proven protection for up to 10,000 miles

Engineered for use with conventional or synthetic motor oil. Silicone anti-drain back valve helps ensure safe engine start up

A special blend of fibers and resin creates a proprietary filter media that captures 95% of dirt particles that can cause harmful engine wear