K&N 57-1521 Performance Air Intake Kit for 1991-1995 Jeep Wrangler 4.0L I6

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 90 minutes. Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California. See the product specifications for CARB status on each part for a specific vehicle. K&N's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty. Associated products: RC-4630DK Air Filter Wrap, RU-4630 Universal Clamp-On Air Filter, 99-5000 Filter Care Service Kit Aerosol

• K&N Million Mile Limited Warranty
• Will not void vehicle warranty

Upgrade the airflow to your 1991-1995 Jeep Wrangler with the K&N 57-1521 Performance Intake Kit. Designed for Jeep applications equipped with the 4.0L inline-six engine, this cold air intake system uses a high-density polyethylene rotationally molded tube to help increase airflow to the engine. K&N guarantees an increase in horsepower and torque when the system is properly installed.

The intake includes a washable and reusable K&N High-Flow Air Filter with oiled cotton filter media. Its oversized conical design can provide service intervals of up to 100,000 miles under normal highway driving conditions, helping reduce long-term maintenance requirements. A custom heat shield helps isolate the filter and intake tract from high temperatures within the engine bay, supporting cooler, denser intake air. Installation can typically be completed in less than 90 minutes using common hand tools.

The K&N 57-1521 is covered by the K&N Million Mile Limited Warranty and is designed not to void the vehicle warranty. This product is EPA compliant and carries California Air Resources Board Executive Order D-269-22. It is approved for sale and use on pollution-controlled vehicles in applicable California applications. The system is also compatible with associated products including the RC-4630DK Air Filter Wrap, RU-4630 Universal Clamp-On Air Filter, and 99-5000 Filter Care Service Kit Aerosol.

Fitment: Fits 1991, 1992, 1993, 1994, and 1995 Jeep Wrangler models equipped with the 4.0L inline-six engine. Verify vehicle application details before ordering.

What's Included: Rotationally molded HDPE intake tube, washable and reusable high-flow air filter, custom heat shield, clamps, mounting hardware, and installation components.

Features:

• High-Flow Air Intake: Increases airflow to the engine to support improved horsepower and torque.
• Rotationally Molded Construction: Durable high-density polyethylene intake tube is engineered for consistent airflow and long-term use.
• Reusable Conical Filter: Oiled cotton filter media is washable and reusable, with service intervals of up to 100,000 miles under normal highway driving conditions.
• Heat Shield Protection: Custom heat shield helps reduce exposure to hot engine-bay air and supports cooler intake temperatures.
• Easy Installation: Complete system can typically be installed in less than 90 minutes.
• Warranty Coverage: Backed by the K&N Million Mile Limited Warranty and designed not to void the vehicle warranty.
• Emissions Compliance: EPA compliant and covered by California Air Resources Board Executive Order D-269-22.
• Vehicle Fitment: Designed for 1991-1995 Jeep Wrangler models with the 4.0L inline-six engine.

Fitments:
1991 Jeep Wrangler Base
1991 Jeep Wrangler Islander
1991 Jeep Wrangler Renegade
1991 Jeep Wrangler Sahara
1992 Jeep Wrangler Base
1992 Jeep Wrangler Islander
1992 Jeep Wrangler Renegade
1992 Jeep Wrangler Sahara
1993 Jeep Wrangler Base
1993 Jeep Wrangler Renegade
1993 Jeep Wrangler Sahara
1994 Jeep Wrangler Renegade
1994 Jeep Wrangler Sahara
1994 Jeep Wrangler SE
1995 Jeep Wrangler Sahara
1995 Jeep Wrangler SE

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-269-22
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1