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33-5042
$44.99 USD
MSRP $70.69 36.4% Off
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K&N 33-5042 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   7 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 33-5042 Air Filter fits some Mazda CX-3 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
Height1.031 in (26 mm)
Outside Length9 in (229 mm)
Outside Width8.438 in (214 mm)
Package Contents1 Air Filter
Package Quantity1
Product StylePanel Air Filter
Weight1 lb (0.5 kg)
Filter Re-Oiling Amount1.04 oz (31 ml)
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)

K&N 33-5042 Air Filter Product Reviews

Thursday, October 26, 2017 - Part 33-5042
Air filter 33-5052 is very good and K&N service is excellent.

Andras Mohos
Vaughan, Canada
Tuesday, September 12, 2017 - Part 33-5042
Excellent, arrived quickly and easily installed. I've K&N filters for all my vehicles (motorcycles and cars) for over 20 years. This one, for my new Mazda CX-3, is the latest. As for every other filter, fitment and performance are excellent. Well worth the cost.

Jos Heiloo
Purmerend, Netherlands
Wednesday, July 12, 2017 - Part 33-5042
I've been buying K&N filters for all my vehicles (motorcycles and cars) for over 10 years. This one, for my new Mazda CX-3, is just the latest. As for every other filter, fitment and performance are flawless. Well worth the cost.

Stefano Sarao
Pero, Italy
Wednesday, May 31, 2017 - Part 33-5042
Very happy with the product. I could feel increase in acceleration and power. :)

Rúben Sigurbjörnsson
Reykjavik, Iceland
Monday, October 10, 2016 - Part 33-5042
Excellent, arrived quickly and easily installed.

Walker Buist
Fort Collins, Colorado
Saturday, September 10, 2016 - Part 33-5042
Perfect fit and good quality, but long time delivery.

Hubjer
Beligum
Wednesday, September 7, 2016 - Part 33-5042
The ordering process was seamless and filter fit my vehicle perfectly.

Richard M. Glass
Peoria, Arizona