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K&N Crankcase Breather

Product may vary from photo(s).

Everyday Low Price: $27.99

Gold Club Price: What's This? The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info $25.19

J&P Part: 402-040

Rating: Read Reviews


This product was proudly made in the USA Made In The USA

K&N Crankcase Breather

Fitment Note: Fits 3/8" breather hose with chrome top and stud mount.

• Protects lower end with a high flow filter built with a steel base plate and 3/8″ hose fitting

Product Specs

  • Diameter: 3/8″
  • Finish: Chrome
  • Height: 1-1/2″
  • Manufacturer Part Number: 621090
  • Material: Cotton Fiber
  • Sold in Units: Each


Fitment Note: Fits 3/8" breather hose with chrome top and stud mount.

Note: This item is a universal/custom fit component, and does not have any direct standard/OEM model application. Some items may require modification and an advanced level of mechanical skill and/or knowledge for installation.

Customer Reviews

 forlowsk Posted:

It fit perfectly on my 1982 Wide Glide (FXWG). Works great! I am very happy. J&P nailed it again!

 eminor7 Posted:

K&N is still the best quality and performance filter in my opinion.

 tony mcdonald Posted:

good stuff

 wapow Posted:

really nice

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