How Well Do You Know Jeeps? Take Our Quiz and Find Out

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K&N air intake system 57-1506-2

The K&N air intake system 57-1506-2 is guaranteed to increase power to 1993-1998 Jeep Grand Cherokee 5.3L engines by an estimated 24.7 horsepower.

1. What was the first time a GM engine powered a Jeep? Yes, although it was called the Jeep Dauntless V6, it was a cast-iron block Buick V6 engine developed from the (ahead of its time) Buick 215 CID all-aluminum V8. In 1967 GM sold the tooling to the 225 CID V6 to Jeep, as car buyers were mostly interested in V8s. Jeep then sold the engine back in 1974 to GM as AMC had purchased Jeep and didn’t require two six cylinder engines. BTW, the all-aluminum V8 went to Rover where it was in service for many years. And believe it or not, K&N still carries oil filters for the Dauntless V6, HP-2003.

K&N oil filter HP-2003

Did you know that there was once a Jeep with a GM engine? It was called the Dauntless V6 and K&N makes engine oil and fuel filters for it.

2. What role did the founder of Willys have in the development of the Jeep? None. John Willys, the founder of the company that popularized the Jeep, didn’t live to see the company’s most famous creation that carried his name. He died in 1935. And the correct pronunciation of his name is Willis, not Willies.

3. It’s known that Willys did not develop the original “Jeep” concept, but who did? The first concept of a Jeep was designed in 1938 by Karl Probst of the minuscule American Bantam Company of Butler, PA. The government liked what they saw but in no way was American Bantam capable of supplying wartime needs. Instead the production contracts went to Ford and Willys, who combined produced over 600,000 Jeeps during WWII. Owners of these Jeeps often look to replace the troublesome oil bath air filters and frequently select K&N filters ranging from a simple universal air filter to home-brewed cold-air intake systems with an oversized K&N conical air filter.

K&N snorkel air intake system 63-1573

K&N’s newest Jeep product is the 63-1573 intake system with snorkel for 2012-2016 3.6L Jeep Wranglers.

4. How many separate companies have owned the Jeep brand? 1944–1953: Willys-Overland, 1953–1970: Kaiser-Jeep, 1970–1987: AMC, 1987–1998: Chrysler, 1998–2007: DaimlerChrysler AG, 2007–2009: Chrysler LLC, 2009–Present: Chrysler Group LLC - Fiat Group Automobiles/Fiat Chrysler Automobiles. (That’s seven). And come next, K&N’s coverage for Jeep vehicles will extend back 50 years.

K&N air intake system 77-1553KP

Your 2007-2011 Wrangler with the 3.8L can benefit from added air and engine protection thanks to the 77-1553KP from K&N.

5. Did any other companies manufacture Jeeps? One example from Japan is the Mitsubishi-produced CJ-3B, built under license from 1953 to 1998. Over the years, the Japanese manufacturer updated the vehicle considerably, introducing its own engines, and even adding a four-door station wagon to the line. Owners of these unusual Mitsi Jeeps known for their hard-to-find parts have found a great alternative to the factory air filter in the K&N E-3650.

6. In 1996 Jeep fans rejoiced when the traditional front end styling returned with the introduction of the 1997 TJ model. Gone are the less-than-popular rectangular lamps of the previous YJ series. The redesign came in the midst of the retro-car movement, along with cars and trucks no longer with us, like the Ford Thunderbird, Chrysler PT Cruiser, and Chevy SSR. If you’re lucky enough to own a Jeep TJ, K&N makes oil and air filters cold air intake kits, like the 57-1514-1 Air Intake System for the 1997 – 2006 Jeep TJ 4.0L, which adds and estimated 12.1 horsepower to the TJ in K&N’s chassis testing.

K&N air intake system 57-1514-1

The 4.0L engines in 1997-2006 Jeeps was a popular option. K&N offers the 57-1514-1 intake system to help your 4.0L V-6 breather better.

7. What’s the highest a Jeep has climbed? Back in 2007, a team driving two Jeeps Wranglers set the Guinness Record for the highest climb by a 4x4, reaching the rim of the 21,804-foot-high Ojos del Salado volcano in Chile. When we see how much power cars lose as they reach the top of Pike’s Peak, we’re certainly it must have been slow going from the team in the 3.8 L V6 Wrangler at an even greater height. If your driving is mostly at lower altitudes, but still feed the need for some add whoosh, check out the K&N air intake system 77-1553KP for 2007 through 2015 Jeep Wranglers.

K&N air filter E-3650

If K&N doesn’t make an intake system for your Jeep, there is probably a replacement filter for it, like this E-3650 for Mitsubishi-built Jeeps.

8. What does a Jeep Forward Control, the flat-faced cab-over pickup, built by Jeep from 1956 to 1965, have to do with a hot dog? It was styled by famed industrial designer Brooks Stevens. You may not recognize his name, but you know his other designs: the 1949 Harley Davidson FL Hydra-Glide, the 1962 Studebaker Hawk Gran Turismo, even the Jeep Wagoneer. But perhaps most famously, Stevens is known for his design of the Oscar Mayer Weinermobile.

9. As you probably know, K&N makes cold air intake systems as well as air filters, oil filters, fuel filters, cabin filters and more. But did you know that one of the greatest increases in horsepower for a K&N intake kit is when fitted to a Jeep. Any guess which? When installed on the 5.2 L Grand Cherokee, model years 1993 through 1998, the system adds an estimated 24.7 horsepower at the rear wheels in K&N’s testing. If you own a 1990s era Grand Cherokee you need to check out K&N 57-1506-2.

10. Was there ever a Jeep that shared an engine with a Porsche? You bet. In 1976, America Motors then the owners of Jeep, installed a 2.0 L four cylinder OHC engine purchased from VW-Audi for use in its DJ-5G Postal Jeep along with some AMC passenger cars. Porsche used the same engine, but with fuel injection and electronic ignition, in the Porsche 924. Chances are you don’t own a DJ-5G but if you own a Porsche 924, check out what K&N offers for your car. Not surprisingly, the DJ-5G utilizes the same K&N HP-2004 as the Porsche 924.

This isn’t all either. K&N makes air filters, intake systems, and oil filters for thousands of Jeep models, like the new snorkel air intake system 63-1573 for 2012-2016 Jeep Wranglers with the 3.6L engine. Simply use the K&N search by vehicle tool to find out what products K&N makes for your vehicle. If you don’t see anything listed for your Jeep, use the online product request form and give K&N a suggestion of product you think should be made.


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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 50 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