Availability
Air Filter Element, Performance, Cotton Gauze, Oiled, Red, Round Tapered, 5.38 in. OD, 4.00 in. ID, 8.00 in. Tall, Chrome Cap, Each
Part Number: KNN-RC-4580
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Filter Element, Performance, Oval Tapered, Cotton Gauze, Oiled, Red, 18.75 in. Long, 5.00 in. Wide, 3.81 in Tall, Carbon Fiber Cap, Each
Part Number: KNN-RP-5135
Not Yet Reviewed
Estimated Ship Date: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
Air Filter Element, Performance, Round Tapered, Cotton Gauze, Oiled, Red, 5.38 in. OD, 4.00 in. ID, 7.00 In Tall, Carbon Fiber Cap, Each
Part Number: KNN-RP-4970
Not Yet Reviewed
Air Filter Element, Performance, Round Tapered, Cotton Gauze, Oiled, Red, 5.38 in. OD, 4.00 in. ID, 6.50 In Tall, Carbon Fiber Cap, Each
Part Number: KNN-RP-4980
Air Filter Element, Performance, Oval Tapered, Cotton Gauze, Oiled, Red, 12.0 in. Long, 6.0 in. Wide, 6.0 in. Tall, Carbon Fiber Cap, Each
Part Number: KNN-RP-5070
Not Yet Reviewed
Air Filter Element, Performance, Oval, Dual Flange, Cotton Gauze, Oiled, Red, 10.00 in. Long, 5.13 in. Wide, 5.50 in Tall, Carbon Fiber Cap, Each
Part Number: KNN-RP-6101
Not Yet Reviewed
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Air Cleaner Top, X-Stream Airflow, 14 in. Round, Aluminum Frame, Black, Cotton Gauze Element, Oiled, Red, Each
Part Number: KNN-66-1401
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner Top, X-Stream Airflow, 14 in. Round, Steel Frame, Chrome, Cotton Gauze Element, Oiled, Red, Each
Part Number: KNN-66-1401XP
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner Assembly, Velocity Stack, Round, 9 in. O.D., 5 in. I.D., Stainless Top, Chrome, 5.13 in. Inlet, Cotton Gauze, Red, 10.00 in. Tall, Each
Part Number: KNN-58-1191
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner Top, X-Stream Airflow, 9 in. Round, Plastic Frame, Black, Cotton Gauze Element, Oiled, Red, Each
Part Number: KNN-66-0901
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner Top, X-Stream Airflow, 11 in. Round, Plastic Frame, Black, Cotton Gauze Element, Oiled, Red, Each
Part Number: KNN-66-1101
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner Top, X-Stream Airflow, 16 in. Round, Plastic Frame, Black, Cotton Gauze Element, Oiled, Red, Each
Part Number: KNN-66-1601
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner, Aluminum, 16 in. Diameter, Machined Finish, 1.50 in. Dropped Base, Embossed K&N Logo, 7.313 in. Inlet, for Dominator Carburetor, Each
Part Number: KNN-85-6852
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner Assembly, Velocity Stack, Round, 9 in. O.D., 7.5 in. I.D., Stainless Top, Chrome, 7.31 in. Inlet, Cotton Gauze, Red, 10 in. Tall, Each
Part Number: KNN-58-1210
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner, Street Metal Series, 10 in. Long, Oval, Black Top, Finned, Cotton Gauze Filter, Red, 2.38 in. Tall, for use on Harley-Davidson®, Kit
Part Number: KNN-RK-3952
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner Top, X-Stream Airflow, 14 in. Round, Aluminum Frame, Black, Cotton Gauze Element, Oiled, Red, Each
Part Number: KNN-66-1400R
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner Assembly, Velocity Stack, Round, 9 in. O.D., 8 in. I.D., Stainless Top, Polished, 5.13 in. Inlet, Cotton Gauze, Red, 8.25 in. Tall, Each
Part Number: KNN-58-1190
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Air Cleaner, Street Metal Series, 10 in. Oval, Black Top, Finned, Cotton Gauze Filter, Red, 2.38 in. Tall, for use on Harley-Davidson®, Kit
Part Number: KNN-RK-3956
Not Yet Reviewed
Estimated Ship Date: Dec 12, 2025 if ordered today
Estimated Ship Date: Dec 12, 2025 if ordered today
Air Cleaner, Street Metal Series, Unique, Black Top, Finned, Raised Base, Cotton Gauze Filter, Red, 2.63 in. Tall, for use on Harley-Davidson®, Kit
Part Number: KNN-RK-3955
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Air Cleaner, Street Metal Series, Unique, Black Top, Gloss, Raised Base, Cotton Gauze Filter, Red, 2.63 in. Tall, for use on Harley-Davidson®, Kit
Part Number: KNN-RK-3950
Not Yet Reviewed
Estimated Ship Date: Dec 12, 2025 if ordered today
Estimated Ship Date: Dec 12, 2025 if ordered today
Air Cleaner Top, X-Stream Airflow, 14 in. Round, Plastic Frame, Red Powdercoat, Cotton Gauze Element, Oiled, Red, Each
Part Number: KNN-66-1401XR
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Air Cleaner, RK Series, Oval, Aluminum, Black Gloss, Cotton Gauze Filter, Red, 2.19 in. Tall, for use on Harley-Davidson®, Kit
Part Number: KNN-RK-3942
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Air Cleaner Assembly, Oval, 3.16 in. Inlet, 2.06 in. Tall, Steel, Chrome Finish, Cotton Gauze, Oiled, Red, Each
Part Number: KNN-56-9025
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Air Cleaner, RK Series, 7.5 in. Round, Aluminum, Chrome Top, Black Base, Cotton Gauze Filter, Red, 2.13 in. Tall, for use on Harley-Davidson®, Kit
Part Number: KNN-RK-3934
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Air Cleaner, RK Series, Teardrop, Aluminum, Chrome Top, Black Base, Cotton Gauze Filter, Red, 2.25 in. Tall, for use on Harley-Davidson®, Kit
Part Number: KNN-RK-3932
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
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