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Crankcase Breather 63-1138
Reference 10102250
K&N Harley-Davidson 63-1138 high-performance AirCharger intake system kit that significantly improves your motorcycle’s performance and power. Compatibility depends on the specific application, including models equipped with lower fairings. Filter height: 133 mm.
436,36 € incl. VAT
Available [5 in stock] Shipped on 1/20/26. , expected delivery date 1/22/26
Payment 3x available from 150€ of purchase
K&N AirCharger air intakes replace the restrictive stock OE air cleaner with a K&N High-Flow Air Filter and a mandrel-bent aluminum intake tube. This efficient design provides your Harley with significantly more airflow, resulting in additional power. These intake kits come with a billet aluminum throttle-body mounting plate as well as mounting hardware.
Features of the 63-1138 crankcase breather
- Guaranteed horsepower increase
- Designed to improve throttle response and engine sound
- Mandrel-bent aluminum intake tube
- Washable, reusable lifetime air filter
- Lasts up to 100,000 miles before requiring service (depending on driving conditions)
- Easy to install, typically in 90 minutes or less
- Filter height: 133 mm
The last air filter your engine will ever need
K&N guarantees its filters for 10 years or one million kilometers. Why? Because the filters are built to last as long as your engine. Handcrafted in the United Kingdom and the United States using the finest materials, K&N OE replacement air filters are washable and reusable.
We recommend cleaning and oiling your filter every 80,000 kilometers before reinstalling it in the engine, or about once a year depending on how you ride. It will be like new!
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