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K&N Powersports Performance Air Filters
Air Filter Element, RK Series, Replacement, Oiled, Cotton Gauze, Red, 8.63 in. Long, 6.38 in. Wide, 2.13 in. Tall, for use on Harley-Davidson®, Each
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Estimated Ship Date: Nov 27, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
E-3975
Part Type:
Product Line:
Summit Racing Part Number:
KNN-E-3975
Item Number:
2203787
UPC:
024844245014
Air Filter Type:
Oiled
Air Filter Length (in.):
8.63
Air Filter Width (in.):
6.38
Air Filter Height (in.):
2.13
Air Filter End Cap Material:
Steel
Air Filter End Cap Color:
Natural
Filter Material:
Cotton gauze
Filter Color:
Red
Quantity:
Sold individually.
Notes:
Replacement air filter for applications using K&N RK Series air cleaner assemblies.
K&N Powersports Performance Air Filters
The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K&N RK Series air cleaner assemblies for Harley-Davidson® motorcycles. The air filter is covered by the famous K&N Million-Mile Limited Warranty.
•Replacement air filter for specific RK Series air cleaner assemblies
•Designed to boost horsepower and rate of acceleration
•Washable and reusable
•High air flow filter media provides exceptional filtration
•Million Mile Limited Warranty®
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