Description
The K&N Universal Air Filter – 42mm is a K&N motorcycle part or accessory for the application identified below. The confirmed fitment, construction, package and product reference details are gathered here to help prevent an incorrect purchase.
Before ordering, compare the exact part reference, dimensions, motorcycle model and model year with the component being replaced or upgraded.
- K&N universal clamp-on air filter with a 42mm inlet, suited to larger carbs and throttle bodies on custom, cafe racer and race-prep machines
- 42mm flange size for direct clamp-on fitment
- High-flow pleated cotton gauze media
- Washable and reusable, so no repeat filter bills
- Rubber base and clamp for a positive seal
- Compact shape works where airbox space is tight
Before ordering, confirm the motorcycle model, model year and exact variant where fitment is relevant. Compare the part reference, dimensions, mounting points and connections with the original component.




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