K&N Code: KNRU2989

K&N FILTER UNI F54mm x DB102/76mm DT89/64mm x H102mm (4 per

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K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes.



  • K&N universal air filters are washable and reusable.



  • Base Outside Length 4 in (102 mm)
  • Base Outside Width 3 in (76 mm)
  • Air Filter Material Cotton Gauze
  • Flange Inside Diameter 2.125 in (54 mm)
  • Flange Length 0.625 in (16 mm)
  • Flange Offset 0.438 in (11 mm)
  • Flange Type: Offset
  • Height 4 in (102 mm)
  • Top Outside Length 3.5 in (89 mm)
  • Top Outside Width 2.5 in (64 mm)
  • Top Style: Rubber
  • Top Material: None
  • Air Filter Shape: Oval Straight
  • Flanges: 1
  • This Product Includes 4 Filters

Products marked as "In Stock" are stored in our different distribution centers. These products will ship within 1-3 business days.

Items are then sent by courier, we use Courierpost & Posthaste which will take 1-3 days to arrive depending on your location and the size of the parcel.

While we will do our best to ship from the distribution center closest to you, not all items will always be in stock in every location at all times.  In some cases we will split the order and ship each package out to you individually and in other cases we may need to consolidate the items in one location to ship out as one package.  We utilize our best judgment in an attempt to get the products to you as quickly as possible.

Our returns policy lasts 90 days. If 90 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Additional non-returnable items:
- Gift cards
- Downloadable software products
- Some health and personal care items

To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.

There are certain situations where only partial refunds are granted (if applicable)
- Any item not in its original condition, is damaged or missing parts for reasons not due to our error
- Any item that is returned more than 90 days after delivery