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K&N Replacement Element for RK-3929 Custom Air Filter
K&N Replacement Element for RK-3929 Custom Air Filter
K&N Replacement Element for RK-3929 Custom Air Filter
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K&N Replacement Element for RK-3929 Custom Air Filter

Marsoni M251S
Sale price$104.99
Pay 4 payments of $26.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
K&N Replacement Element for RK-3929 Custom Air FilterSKU: E 3040 UPC: 024844199348 K&N E 3040 Replacement Element for RK 3929 Custom Air Filter Fits 2004 2021 Harley Davidson Sportster The K&N E 3040 is a washable reusable oval air filter that replaces the element in RK 3929 custom air cleaner assemblies on select 2004 2021 Harley Davidson Sportster models. It delivers higher airflow for gains in horsepower and acceleration while protecting your engine with four layer cotton gauze filtration. Covered by
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1721 reviews
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Product Reviews
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Verified Purchase
Blue Reviews
Whiting, US
★★★★★ 3
Not sure how sparkly
Color: Gold
Smells good, with only a slight chemical part to it that goes away. The sparkle was harder to see, but maybe that’s because it was windy when I sprayed it and it wasn’t very sunny.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2025
A
Verified Purchase
A
Lexington, US
★★★★★ 2
Maybe it will arrive. Or maybe not.
Color: Gold
Smells great, but never on time. This time I didn't receive at all, for what I needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
S
Verified Purchase
Suleyka Torres
Natrona Heights, US
★★★★★ 5
Me encanta
Color: Glint Rainbow
Me encanto volveria a comprar
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
Y
Verified Purchase
Yss
Whiting, US
★★★★★ 5
better results
Color: Glint Pink
I really like the packaging; you don't need to open it and spill everything—with a simple touch, you have the product. I love it and would buy it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
S
Shelby
New York, US
★★★★★ 2
Not very much dispenses with pumps
Color: Glint Rainbow
This gives out very small puffs of glitter when depressing the pump. The glitter is as expected, but it would be more efficient to just open the dispenser with how little this pumps out. I'll probably just use this for crafts instead of body and hair. It doesnt really stick either because it is a dry powder
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

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