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33-2129
$50.99 USD
MSRP $77.99 34.6% Off
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K&N 33-2129 Air Filter

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   201 Customer Reviews
  • 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®
The K&N 33-2129 Air Filter fits some Cadillac Escalade, Chevrolet Avalanche, Chevrolet Avalanche 1500, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, Chevrolet Silverado 2500, Chevrolet Silverado 3500, Chevrolet Suburban, Chevrolet Suburban 1500, Chevrolet Suburban 2500, Chevrolet Tahoe, GMC Sierra, GMC Sierra 1500, GMC Sierra 1500 Classic, GMC Sierra 2500, GMC Yukon, GMC Yukon XL, and GMC Yukon XL 1500 models. See vehicle applications link for details.
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 the majority of vehicles 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]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Height1.188 in (30 mm)
Outside Length12.438 in (316 mm)
Outside Width9.813 in (249 mm)
Package Contents1 Air Filter
Package Quantity1
Warranty1,000,000 Miles/10 Year
Product StylePanel Air Filter
Weight1.8 lb (0.8 kg)
Filter Re-Oiling Amount1.85 oz (55 ml)
Product Box Height17.81 in (452 mm)
Product Box Length11.06 in (281 mm)
Product Box Width1.88 in (48 mm)

K&N 33-2129 Air Filter Product Reviews

Wednesday, June 13, 2018 - Part 33-2129
Better gas miileage than new aftermarket paper filter.

Michael Durst
Los Angeles, California
Wednesday, May 23, 2018 - Part 33-2129
Product arrived in a timely manor, easy to install, and vehicle does have better performance. Very satisfied with the overall experience.

Everett Ford
Tulare, California
Friday, May 18, 2018 - Part 33-2129
Have used them before, won't use anything else not even stock. I have a 2014 Silverado 5.7 liter engine. Have serviced at dealer tell them have K&N filter no problems.

Roger L Batchelder
Wichita, Kansas