For 1999-2004 JEEP Grand Cherokee 4.7L V8 2000-2002 Dodge Durango 3.7L V6 Air Intake Kit

Compatible Vehicles:

Note: Please verify your engine type before purchase. This kit is designed for the 4.7L V8 (Jeep) and both 3.7L V6 / 4.7L V8 (Dodge) engines.

Frequently Asked Questions About the Jeep Grand Cherokee 4.7L and Dodge Air Intake Kit

Q1: What vehicles and engines does this dual-filter air intake kit fit?

A1: The product page lists direct compatibility with 1999–2004 Jeep Grand Cherokee models equipped with the 4.7L V8. It also lists select 2000–2002 Dodge Durango and Dodge Dakota applications with a 3.7L V6 or 4.7L V8. Because Dodge engine availability varied by model year, verify the VIN, engine displacement, throttle-body connection, and factory intake layout before ordering.

Q2: Will this fit a 1999–2004 Jeep Grand Cherokee WJ with the 4.7L V8?

A2: Yes. This air intake kit is designed for 1999, 2000, 2001, 2002, 2003, and 2004 Jeep Grand Cherokee WJ models equipped with the 4.7L V8. Trim level and four-wheel-drive system are generally less important than confirming the correct engine and original-style intake arrangement.

Q3: Does this intake fit a Jeep Grand Cherokee with the 4.0L inline-six?

A3: No. The listed Jeep application is the 4.7L V8, not the 4.0L inline-six. The two engines use different throttle-body positions, intake routing, hose connections, and mounting points. Choose an intake specifically designed for the 4.0L engine rather than modifying this kit.

Q4: Will it fit a 2002–2004 Jeep Grand Cherokee 4.7L High Output engine?

A4: The product page states that the kit fits all listed 1999–2004 Grand Cherokee models with the 4.7L V8, which includes applicable 4.7L High Output models. Before purchasing, compare the factory intake connections and under-hood layout with the product images, especially if the vehicle has an aftermarket throttle body or previous intake modifications.

Q5: Does this kit fit a 2000–2002 Dodge Durango or Dodge Dakota?

A5: The page lists select 2000–2002 Dodge Durango and Dakota applications with 3.7L V6 and 4.7L V8 engines. However, engine availability differed across years and models, so do not select the kit based on the year alone. Confirm the engine code and compare the factory throttle-body, breather-hose, and intake-pipe arrangement before installation.

Q6: What is the benefit of the dual-filter design?

A6: The Y-pipe feeds two dry conical filters instead of one filter, providing more total filter surface area and an aggressive under-hood appearance. The larger combined surface area can reduce restriction when the filters are clean. Real-world airflow still depends on filter condition, intake temperature, pipe routing, and the airflow demand of the engine.

Q7: How much horsepower will this cold air intake add?

A7: The product page describes potential horsepower gains but does not provide a verified dyno figure. On a mostly stock 4.7L V8 or 3.7L V6, the most noticeable changes may be a stronger induction sound and sharper throttle response rather than a dramatic increase in peak horsepower. Results depend on engine condition, exhaust flow, temperature, fuel, ECU adaptation, and testing method.

Q8: Is this intake worth installing on a stock Jeep Grand Cherokee 4.7L?

A8: It can be worthwhile for an owner who wants a louder V8 induction note, reusable filters, simplified intake tubing, and a more customized engine-bay appearance. The factory WJ airbox already draws outside air effectively, so this open-filter system should be viewed as a sound, appearance, and throttle-response upgrade rather than a guaranteed major power modification.

Q9: Does this air intake require an ECU tune?

A9: No ECU tune is listed as necessary for this bolt-on kit. A compatible vehicle should normally operate on the factory calibration when all sensors, breather hoses, couplers, and clamps are installed correctly. A tune may support other major modifications, but it should not be used to compensate for an intake leak or incorrect sensor installation.

Q10: Can this intake cause a check engine light, rough idle, or hesitation?

A10: A correctly installed intake should not normally cause these problems. Common installation-related causes include a loose coupler, disconnected breather hose, damaged intake-air-temperature sensor, incorrect sensor placement, or an air leak near the throttle body. If a warning light appears, read the diagnostic code and inspect every intake connection before replacing parts.

Q11: Will the dual-filter intake make the engine louder?

A11: Yes. The two open filters make the intake sound more noticeable than the enclosed factory airbox. Expect a mild air-rushing sound during light acceleration and a deeper induction roar under heavy throttle. The intake changes engine-bay sound; it will not create the same exterior tone as a muffler or cat-back exhaust.

Q12: Does this kit include a heat shield?

A12: No. The product page states that the kit does not include a heat shield. Because the filters are open to the engine bay, intake temperatures may rise while the vehicle is idling or moving slowly. Temperatures can improve once the vehicle is moving, but owners in hot climates should maintain realistic expectations about heat soak.

Q13: Is the intake suitable for off-road driving, rain, and water crossings?

A13: Normal rain should not be a problem when the filters are securely mounted and protected by the hood and bodywork. However, the open filters should not be submerged or exposed to deep water because drawing liquid water into the engine can cause severe damage. For frequent water crossings or very dusty trails, the sealed factory airbox may provide better environmental protection.

Q14: Are the two red air filters washable and reusable?

A14: Yes. The kit uses dry cotton-gauze filters that are washable, reusable, and do not require filter oil. The product page recommends inspection and cleaning approximately every 10,000–15,000 miles, with shorter intervals in dusty conditions. Use low-pressure compressed air or mild soap and water, and allow both filters to dry completely before reinstalling them.

Q15: What parts are included with the intake kit?

A15: The kit includes a black powder-coated aluminum Y-pipe, two red dry air filters, reducer and straight couplers, hose clamps, a breather hose, filter-mounting hardware, and the other components shown on the product page. The main intake pipe measures approximately 3.5 inches in diameter and 550 mm in length.

Q16: How difficult is the installation?

A16: The product page estimates a 45–60 minute installation using common hand tools. The kit is designed to replace the factory airbox and intake hose without cutting or drilling. Identify every hose and sensor before removing the original system, and keep the factory intake until the new kit has been test-fitted and checked for proper operation.

Q17: What should I inspect after installing the air intake?

A17: Confirm that both filters are secure, every clamp is tight, the breather hose is connected, and the Y-pipe does not contact hot or moving components. Start the engine and listen for hissing, whistling, or an unstable idle. After a short test drive and several heat cycles, recheck the couplers and mounting hardware for movement.