Crankcase Breather Filter
Hover over the image to zoom in
Share this:

Purolator Crankcase Breather Filter

Part No. B20009 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

A new crankcase breather allows your engine to breath and reduce crankcase pressure.
Back To Top
Height:1.5 in
Length:3.95 in


by PowerReviews
PurolatorCrankcase Breather Filter

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top

(3 of 6 customers found this review helpful)


Does the job


from North Carolina

About Me Auto Enthusiast, Casual Driver, Mechanic, Truck Enthusiast

Level 5


  • Easy To Install


    Best Uses

    • Everyday Driving
    • Replacement
    • Restoration

    Comments about Purolator Crankcase Breather Filter:

    Comes with the clip and fits my 4bbl small block chevy perfectly. Happy with the purchase and the buy online with instore pick up.

    Comment on this reviewHelp Icon(earn points)

    Do you have questions about this product?(earn points for answers!)


    Ask a question, get answers from real customers and in-house experts. Or contact Customer Care by email or call 1-877-238-2623.

    2 Questions | 2 Answers
    Displaying questions 1-2
    • Q:

      How do you attach the clip?
      Asked on 5/9/2016 by gb from United States

      1 answer



        Hi Jb, I'm happy to help you! Just as you did with the air filter, use the owner's manual to find your crankcase breather filter. If it is encased in a housing, remove the clips to access the filter. You need to determine if the filter is the only thing needing replacement or if the inner holder goes as well. Use a screwdriver to separate the two if you only need to replace the breather filter. Remove the old filter. Installation is simple. Attach the new breather filter with retaining clips. Just make sure the placement is correct. Put the filter back into its housing, then reattach the cover on the filter hosing. Make sure everything is securely in place before operating your car.

        Answered on 5/12/2016 by Solomon from AAP
    • Q:

      does this come with the clip or do i have to purchase separately?
      Asked on 10/3/2013 by ko from petersburg, va

      1 answer



        Hi Ko, the Purolator Breather (Part No. B20009) does not include the clip. For any further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.

        Answered on 10/4/2013 by Steve from AAP
    Displaying questions 1-2

    Do you have a question about this product? 

    Create or view your online garage

    Check out the specials in our monthly flyer

    Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.