K&N 33-2129

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.9 out of 5 stars   69 Customer Reviews
List Price: $74.44
Your Price: USD $50.99

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K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty™ and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.

[More Information on K&N Replacement Air Filters]
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Filter Re-Oiling Amount1.85 oz (55 ml)
Height1.188 in (30 mm)
Outside Length12.438 in (316 mm)
Outside Width9.813 in (249 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height17.81 in (452 mm)
Product Box Length11.06 in (281 mm)
Product Box Width1.88 in (48 mm)
Product StylePanel Air Filter
Weight1.8 lb (0.8 kg)

Product Reviews

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Review part 33-2129
Wednesday, August 26, 2015 - Part 33-2129
Excellent Works like a dream Love it Came within a couple days

Gary Taylor
Victoria box, Canada
Friday, August 14, 2015 - Part 33-2129
Good service. Great shipping and receiving time.

Robert Florek
Fort Wayne, IN
Tuesday, August 04, 2015 - Part 33-2129
Immediately improved air intake and power of my auto. Great product.

Gisela Wilson
Tuesday, August 04, 2015 - Part 33-2129
Service was great, I received my filter very timely with out any problems. Drop the filter in and it appears to be preforming good just as expected.

Orlando, Florida
Thursday, July 30, 2015 - Part 33-2129
Excellent product. I noticed a difference as soon as I put the filter in my truck. I wish I would have done it years ago. One thing is for sure is when it's time to replace the filters in my other cars, they will be getting K&N filters.

Sunday, July 26, 2015 - Part 33-2129
The best way to get an air filter is online. You told me the correct one to order, set the price and shipping. I had it in no time. Why did I buy a K&N filter? Well, I am lazy. Back in the 1950's my dad would have to re-oil the filter in our Chevy every so often. I can not remember the interval. Finally cotton filters came into being. They were the greatest thing since sliced bread. Once a year, every 10k miles. Now we are back to oiled filters. And now I only have to get my hands greasy, and knuckles busted once every 50k miles. I do not notice HP increases. But I only change about every 50k miles. Just an old guy I am, and want to enjoy driving, not be kept prisoner by changing filters.

P Skopal
San Antonio, TX
Monday, July 20, 2015 - Part 33-2129
Big improvement, would recommend.

Greeneville, Tennessee