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E-4521DK
$14.99 USD
MSRP $18.99 21.1% Off
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K&N E-4521DK Air Filter

Filter Wraps > Air Filter Wrap
  • This product wraps your air filter with an additional pre-filter
  • Extends service interval of your K&N filter
  • Durable silicone treated polyester material with stitched elastic openings
  • Water repellent treatment typically lasts 1 to 2 years
The K&N Drycharger® is a silicone treated, polyester wrap that is made to cover K&N Air Filters or Personal Watercraft Flame Arrestors. These Drychargers, which are similar to the K&N Prechargers, contain uniform micron sized openings that allow high air flow. Yet, due to the Drychargers silicone treated polyester wrap, the amount of water that reaches the air filter or flame arrestor is limited.

[More Information on DryCharger Wraps]

Available Information

Product Specifications

Air Filter ShapeRound
Closed TopNo
ColorBlack
Height2 in (51 mm)
Inside Diameter7 in (178 mm)
Material UsedSilicone Treated Polyester
Package Contents1 Drycharger Wrap
Package Quantity1
Product Box Height1 in (25 mm)
Product Box Length7 in (178 mm)
Product Box Width4.88 in (124 mm)
Product StyleFilter Wrap - Round Straight
Weight0.2 lb (0.1 kg)
Wrap TypeDrycharger

Customer Feedback

Be the first to review part E-4521DK
I rate the service and customer service at 5. However, the listing and cross reference information given per the EB site is a little misleading on description. I was looking for a K&N filter for a Kohler K161T 7 hp engine. It is a 1971 vintage and though it would be a nice touch compared to a paper pleated filter. The size E4400 must fit a later model Kohler K161 instead. The filter was the right ID and OD, but simply too tall for my given air box. If it could have come in a size at a height 1.5 inches it would have probably been a go. I included the original Kohler air filter part number in the return if you have or can make one to suit. Mike

C. Michael Hawkins
Huntersville, North Carolina
Everyone tells me K&N products are the best so I got these to replace Kohler oil filter. I was just a little disappointed because the filter end does not fit into my Kohler cap so I need to find another tool. Other than that, I think the quality of K&N is great and the price is very good too.

Yuming Tung
New York
I use all K&N in my vehicles. They improve performance and mileage. I just put one in the 2520 John Deere, it makes more sense to clean a filter than to constantly replace one.

Gary Janovsky
Tennessee