K&N High Flow Air Filter HD-1212 Replacement - Harley-Davidson Sportster
About K&N
K&N pioneered the washable, reusable cotton-gauze air filter and has been building intake products since 1969. On a V-twin, an intake swap is usually step one of the classic uncork — filter, exhaust, then tune.
Give your Harley-Davidson Sportster the air it needs to breathe with the K&N HD-1212 High Flow Air Filter. This replacement filter is designed to drop directly into your OEM airbox, providing a significant increase in airflow for improved engine efficiency and a snappier throttle response.
Why riders pick this
- Increases engine airflow for better performance
- Multi-layer cotton gauze media for superior filtration
- Washable and reusable design for lasting value
- Direct fit into OEM airbox without modifications
- Pre-oiled and ready to install
- Designed for long service intervals
The K&N HD-1212 features multi-layer woven cotton gauze media, meticulously pleated to maximize filtration surface area. This construction not only allows more air to reach your engine but also ensures excellent filtration, protecting your V-twin while uncorking its potential. It's a fundamental upgrade for any Sportster rider chasing more power and better performance.
Built for Performance and Longevity
- Multi-layer woven cotton gauze media optimizes airflow and filtration efficiency
- Pleated design offers a larger filtration area, extending service intervals
- Application-specific sealing bead ensures a precise, secure fit in the OEM airbox
- Washable and reusable element for long-term cost savings and consistent performance
- Pre-oiled and ready for hassle-free installation
Uncork Your Sportster's Potential
Upgrading to the K&N HD-1212 High Flow Air Filter is a simple, bolt-on modification that typically doesn't require any fuel management adjustments. It's engineered to integrate seamlessly with your bike's stock system, making it an ideal first step in performance enhancement. Enjoy the benefits of increased airflow and a filter that you can clean and reuse for the life of your motorcycle.
Specifications
- Brand: K&N
- Manufacturer Part #: HD-1212
- UPC: 024844347299
- Dimensions: 8.5 in x 8.5 in x 3.62 in
- Weight: 0.95 lbs
Common questions
Will installing this air filter require a fuel system retune?
No, K&N designed this high-flow air filter to work effectively with your Sportster's stock fuel management system, and retuning is generally not required.
Is this K&N filter washable and reusable?
Yes, the cotton gauze element of this filter is fully washable and reusable. You can clean and re-oil it multiple times, extending its lifespan.
What Sportster models does this air filter fit?
This filter fits various Harley-Davidson Sportster models, including Forty-Eight, Iron 883, and Sportster 1200 Custom. Please confirm fitment for your specific year and model using our Shop by Bike tool.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | K&N |
| TYPE | Air Filters |
| SKU | 721212 |
| WEIGHT | 0.95 lb |
