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K&N 33-2456 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 33-2456 Air Filter fits some Infiniti QX56, Infiniti QX80, Nissan Armada, and Nissan Patrol 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
Filter Re-Oiling Amount2.16 oz (64 ml)
Height1 in (25 mm)
Outside Length13.25 in (337 mm)
Outside Width12.438 in (316 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height3.31 in (84 mm)
Product Box Length19.88 in (505 mm)
Product Box Width12.5 in (318 mm)
Product StylePanel Air Filter
Weight1.9 lb (0.9 kg)

K&N 33-2456 Air Filter Product Reviews

Friday, December 23, 2016 - Part 33-2456
Part was a perfect fit. Great service and fast shipping.

Josh Kadyschuk
Winnipeg, Canada
Wednesday, July 27, 2016 - Part 33-2456
K&N is a great filter. I have bought a K&N air filter for every vehicle I own.

Hayward, California
Thursday, March 31, 2016 - Part 33-2456
This is my second K&N Filter and I truly love it. Thank you for making a wonderful and money saving product.

Anthony Williams
Fountain, Colorado
Monday, February 1, 2016 - Part 33-2456
Great product!

Larry DeAngelis
Springfield, New Jersey
Friday, October 17, 2014 - Part 33-2456
I am a former KN filter customer from the 80's motorcycle. Thinking about switch over for my 13 QX56

Austin Txas
Monday, February 24, 2014 - Part 33-2456
It gave me the horsepower I was looking for . Great buy for the money.

Monday, January 20, 2014 - Part 33-2456
Smoother and quicker pickup with the new air filter.