K&N High Flow Air Filter - HD-1212 Replacement — Harley-Davidson Forty-Eight, Iron 883, Sportster 1200 Custom (2012-2021)

K&N HD-1212 high-flow air filter for V-twin motorcycles, featuring multi-layer woven cotton gauze media and a pleated design that drops directly into the OEM airbox. Washable and reusable, pre-oiled and ready to install without fuel management tuning.

Features

• Multi-layer woven cotton gauze media
• Pleated design for large filtration surface area
• Application-specific sealing bead for precise OEM fit
• Washable and reusable — pre-oiled
• Long service intervals between cleanings
• No fuel management modifications required
• Made in the USA

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

Fitment

Fits V-twin motorcycles with compatible OEM airbox designs. Verify your bike's airbox size before ordering to ensure proper fitment.

Frequently Asked Questions

Do I need to retune my fuel management system?

No — K&N designed this filter to work with stock fuel maps. Retuning is normally not required.

Is this washable and reusable?

Yes. The cotton gauze element can be cleaned and re-oiled multiple times using K&N's filter service kit.

How often do I need to clean it?

Inspect every oil change. Clean when visibly dirty — typically every 50,000 miles in normal riding conditions.

Will this fit my airbox directly?

Yes — the application-specific sealing bead ensures a precise fit into OEM airboxes without modifications.

What's included?

The filter arrives pre-oiled and ready to install. No additional cleaning or preparation needed.