K&n Air Filter Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
K&n Air Filter sales on Amazon US totaled 16,000 units in July 2026 (▼ 21.2% vs. the prior month), generating an estimated $711,661 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 61.3% of unit volume and 46.6% of revenue, while a typical listing is priced at $52.40. The keyword itself pulled 21,478 Amazon queries over the same period (▼ 2.1% MoM).
Zooming out to the 12-month window ending July 2026, the k&n air filter Top 50 moved 165,900 units and $7,495,080 in cumulative sales — an average of 13,825 units and $624,590 per month. Monthly throughput topped out at 20,300 units in June 2026 and dipped to 9,050 in January 2026, leaving the latest reading 18.5% higher than August 2025.
K&n Air Filter Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
16K
▼ 21.2% MoM
Monthly Revenue 2026/07
$711.7K
▼ 10.9% MoM
Top 10 Market Share 2026/07
61.3%
K&n Air Filter Market Share & Sales Concentration on Amazon US — July 2026
The most-sold k&n air filter listing on Amazon US in July 2026 is ASIN B0DC3XRCGM (Brand: K&N), which sold 2,000 units at $16.79 apiece — equal to 12.5% of every unit tracked in this report and 2.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 9,800 units and $331,620 in July 2026 — 61.3% of unit volume and 46.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'K&n Air Filter' on Amazon
July 2026
Is 61.3% Top 10 share highly concentrated?
Ask AI to evaluate competition, market structure, and entry opportunities using ’s tracked Amazon sales, ranking, and keyword data.
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Top 5 Volume Share breakdown
B0DC3XRCGM
K&N Engine Air Filter:Long Life 18,000 Mile Replacement AirFilter:Compatible with 2002-2026 Ford/Lincoln Truck and SUV(F150, F150 Raptor,Expedition,Navigator, F250, F350, F450, F550, F650),KNA-2385
2K
▼ 33.3%vs. prior month
$39K
latest month
12-month trend
B0DHHLNFWR
K&N Engine Air Filter: Long Life 18,000 Mile Replacement Air Filter: Compatible 2010-2026 Toyota/Lexus/Mitsubishi (Highlander, RAV4, Sienna, Avalon, Camry, ES 350, NX300, Rx350, L200, Triton) KNA-2443
1K
▼ 50.0%vs. prior month
$19.4K
latest month
12-month trend
B0DC3CLHBF
K&N Engine Air Filter: Long Life 18,000 Mile Replacement Air Filter: Compatible with 2019-2026 Chevy/GMC Truck (Silverado 1500, Sierra 1500), KNA-5083
1K
▲ 0.0%vs. prior month
$19.4K
latest month
12-month trend
B0DC3TM5H6
K&N Engine Air Filter: Long Life 18,000 Mile Replacement Air Filter: Compatible with 1999-2020 Chevy/GMC Truck/SUV V6/V8 (Silverado, Suburban, Tahoe, Sierra, Yukon, Avalanche), KNA-2129
1K
▲ 0.0%vs. prior month
$19.6K
latest month
12-month trend
B07LD3YLYX
K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 2019-2026 Cadillac/Chevy/GMC: Escalade, Silverado, Suburban, Tahoe, Sierra, Yukon, 33-5083
900
▼ 10.0%vs. prior month
$55.9K
latest month
12-month trend
B07T4F4W5G
K&N LIFETIME Cabin Air Filter: Washable, Clean Air for your Cabin, VF2071 | Compatible with 2012-2026 Acura/Buick/Chervolet/Cadillac: (See Product Description for Select Models)
900
▼ 10.0%vs. prior month
$35K
latest month
12-month trend
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Trending K&n Air Filter Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B00F1FKSD8 leads positive momentum with ▲ 100.0% MoM growth on 100 units, with B001C4OB8U close behind at ▲ 50.0% MoM on 300 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B00F1FKSD8
K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 2013-2023 FORD/LINCOLN: Edge,Fusion, GT, Continental, MKX, MKZ,Nautilus, 33-5000
Price
$55.19
Rating
4.8
Reviews
1K
Latest month sales
B001C4OB8U
K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 2007-2026 Ford/Lincoln/Mazda: (See Product Description for Select Models) 33-2395
Price
$55.19
Rating
4.8
Reviews
1.6K
Latest month sales
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