K&N Round Air Filter (E-3971)
SKU: 42037242595

K&N Round Air Filter (E-3971)

Sale price$58.46 Regular price$64.95
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

K&N Round Air Filter (E-3971)K&N off road replacement air filters are ideal for extended use in dirty and dusty off road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air flow with excellent filtration. Designed to provide increased horsepower and acceleration Specifically developed for Off Road, Motocross, ATVs, UTVs and Side

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration.
  • Designed to provide increased horsepower and acceleration
  • Specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides
  • Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals
  • Multiple layers of woven cotton gauze media offers excellent filtration
  • Fits directly into OEM air box with application specific sealing bead ensuring a precise fit
  • No fuel management modifications are required to obtain increased performance
  • Washable & reusable, most are pre-oiled and ready to ride
  • One Year Limited Warranty
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 42037242595

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4.3 ★★★★★
Based on 2240 reviews
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Verified Purchase
Natalie Fratz
San Leandro, US
★★★★★ 4
Husbands Favorite!
Scent: Bourbon & Oak, Size: 16 Fl Oz (Pack of 1)
This brand is my husband's favorite! He uses the shampoo/conditioner and the body wash. He says it lathers and suds up pretty well. The smell is great and lasts a good while. The only thing is he wishes it came in a bigger bottle.
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Reviewed in the United States on February 25, 2026
S
Verified Purchase
Stephen K
Waukegan, US
★★★★★ 5
Next Level "Hotel" smells
Scent: Bourbon & Oak, Size: 16 Fl Oz (Pack of 1)
I have been searching for a shampoo that not only leaves my hair feeling clean, but also smells great. Cremo has frequently checked a lot of boxes, and this shampoo is no exception.I adore the bourbon and oak scent. Despite giving some hotel shampoo vibes, it smells great once in the air, and I feel good showering with it. It leaves my hair feeling clean and no oily, but still soft. I have thicker hair, but this works in easily. Bottle came perfect, no leaks! Only complaint is I would like a larger bottle with a pump to user easier in the shower!
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Reviewed in the United States on April 6, 2026
B
Verified Purchase
Brandon
Pawtucket, US
★★★★★ 5
Great
Scent: Bourbon & Oak, Size: 16 Fl Oz (Pack of 1)
I love this stuff. Smells great. Lasts awhile if you don't have a ton of hair. Been using it for a long while now. No scalp irritation No complaints.price is fair.
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Reviewed in the United States on May 23, 2026
J
Verified Purchase
Jeff Dandos
Whiting, US
★★★★★ 5
Pretty good shampoo conditioner blend
Scent: Bourbon & Oak, Size: 16 Fl Oz (Pack of 1)
Smells good, nice and soft afterwards. Would buy it again.
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Reviewed in the United States on April 6, 2026
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Verified Purchase
Heidi Jacobsen
Louisville, US
★★★★★ 5
Refreshing
Amazing! Love the smell
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Reviewed in the United States on May 8, 2026

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