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2007-2016 Jeep Wrangler JK 2.8L Common-Rail Diesel Engine Upgraded With K&N Air Filter

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K&N reusable air filter for 2007-2016 Jeep Wrangler JK models with a 2.8-liter

The K&N reusable air filter for 2007-2016 Jeep Wrangler JK models with a 2.8-liter common-rail diesel engine is built with K&N’s special tight weave cotton gauze for extra protection

The third generation 2007-2016 Jeep Wrangler, commonly known as the Wrangler JK, can be equipped with an optional 2.8L common-rail diesel four-cylinder engine. The common rail diesel (CRD) engine is produced by VM Motori Cento in Ferrara, Italy and produces excellent torque ratings that rival the 3.6-liter Pentastar V6. However, the Jeep Wrangler 2.8L diesel L4 promises increased fuel efficiency and increased fuel range. Diesel engine technology is more commonly accepted outside of the United States, and as a result the Jeep Wrangler cannot be equipped with the 2.8L CRD engine in the U.S.

The 2007-2015 Jeep Wrangler diesel  air filter is 98.95% efficient overall

Filtration efficiency test results, following the internationally recognized ISO 5011 protocol with ISO coarse test dust, show that the 2007-2016 Jeep Wrangler diesel air filter is 98.95% efficient overall

Owners of 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 and 2016 Jeep Wrangler JK 2.8L diesel models can equip their CRD powered SUV with a replacement diesel air filter from the authority in washable air filters, K&N. This reusable air filter is designed to fit into the stock air filter box of 2007-2016 Jeep Wrangler JK models with a 2.8-liter common-rail diesel engine without any need for modifications. K&N replacement air filters are made with specially woven cotton gauze. Because cotton, by nature, is more breathable than paper, a K&N replacement diesel air filter can flow more air than a typical paper air filter. More air can result in increased performance and better acceleration.

The Jeep Wrangler JK cannot be equipped with the 2.8L CRD engine in the U.S.

Diesel engine technology is more commonly accepted outside of the United States, and as a result the Jeep Wrangler JK cannot be equipped with the 2.8L CRD engine in the U.S.

It would be false to assume that an increase in airflow with a K&N diesel air filter comes at the expense of filtration efficiency and engine protection. K&N engineers place filtration efficiency and dirt retention as a priority when developing a diesel air filter. This diesel air filter uses design elements that go above and beyond our standard automotive air filters. K&N knows that a Jeep Wrangler JK diesel could be subjected to some of the most extreme conditions on the planet. This is why K&N used our special tight weave cotton gauze sandwiched between wire mesh to form extra deep 1-1/4” pleats. Four layers of 1-1/4” deep pleated tight-weave cotton filter media allows diesel air filter 33-5023 to outflow the stock air filter, hold a lot of dirt for long service intervals, and offer 98.95% overall filtration efficiency.

K&N performs filtration efficiency testing following the ISO 5011 protocol with ISO coarse test dust to guarantee that our air filters will provide high airflow without sacrificing engine protection. Calling this test dust coarse is almost absurd, as 22% of the dust is rated at 10 microns or less. To provide perspective, a human blood cell is typically between 6 and 8 microns across. Detailed filtration test results for diesel air filter 33-5023 are available for viewing.

Perhaps more exciting than the increased performance that comes with a K&N replacement diesel air filter is the fact that they are also a washable and reusable air filter. The ability to wash and reuse a K&N air filter means that it will pay for itself over time. The K&N diesel air filter for 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 and 2016 Jeep Wrangler JK 2.8L diesel models can be washed and made like new using one of the K&N Recharger air filter service kits. Please visit the K&N Air Filter Cleaner & Filter Cleaning Accessories page on KNfilters.com to view available air filter cleaner and oil products.

The K&N air filter for 2007-2016 Jeep Wrangler JK models with a 2.8-liter common-rail diesel engine is backed by the K&N Million Mile Limited Warranty. Replacement air filter 33-5023 is designed to provide increased performance, reusability, and long air filter service intervals without any need for modifications or tuning for the following Jeep Wrangler JK diesel models:

2016 Jeep Wrangler 2.8L L4 Diesel
2015 Jeep Wrangler 2.8L L4 Diesel
2014 Jeep Wrangler 2.8L L4 Diesel
2013 Jeep Wrangler 2.8L L4 Diesel
2012 Jeep Wrangler 2.8L L4 Diesel
2011 Jeep Wrangler 2.8L L4 Diesel
2010 Jeep Wrangler 2.8L L4 Diesel
2009 Jeep Wrangler 2.8L L4 Diesel
2008 Jeep Wrangler 2.8L L4 Diesel
2007 Jeep Wrangler 2.8L L4 Diesel

K&N diesel air filter 33-5023 is designed as a direct air filter cross reference for the following part numbers:

Jeep 53034019AD

K&N air filters for Jeep Wrangler models can be found on the Jeep Wrangler Air Filters page. K&N products for other vehicles can be found using the Vehicle Search Tool. To find a K&N dealer near you, use Search for K&N Dealer.


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit knfilters.com.