K&N Engineering 57-2529-1 Performance Cold Air Intake Kit for 2001-2004 Ford Explorer and Ford Ranger 4.0L V6

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: RF-1048DK Air Filter Wrap, RF-1048DR Air Filter Wrap, RU-1048 Universal Clamp-On Air Filter, 99-5000 Filter Care Service Kit Aerosol

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

The K&N Engineering 57-2529-1 Performance Cold Air Intake Kit is designed for select 2001-2004 Ford Explorer, Ford Ranger, and Mazda B4000 models equipped with the 4.0L V6 engine. Its high-density polyethylene rotationally molded intake tube increases airflow to the engine, helping deliver a guaranteed improvement in horsepower and torque. The system is engineered as a direct-fit upgrade for efficient installation and dependable performance.

The intake includes an oversized conical K&N High-Flow Air Filter made with washable, reusable oiled cotton filter media. Under normal highway driving conditions, the filter can provide service intervals of up to 100,000 miles. A custom heat shield helps isolate the intake from hot engine-bay air, supporting cooler, denser airflow during operation. Most installations can be completed in less than 90 minutes using common hand tools.

The K&N Engineering 57-2529-1 is backed by the K&N Million Mile Limited Warranty and is designed not to void the vehicle warranty. It is EPA compliant and carries California Air Resources Board Executive Order D-269-28 for applicable vehicle applications. Always verify emissions requirements and application-specific compliance before installation. This product may contain chemicals known to the State of California to cause cancer or reproductive harm.

Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: 57-2529-1
• Product Type: Performance cold air intake kit
• Vehicle Application: Select Ford Explorer, Ford Ranger, and Mazda B4000 models
• Engine Application: 4.0L V6
• Intake Tube Material: High-density polyethylene, rotationally molded
• Air Filter Type: Washable and reusable oiled cotton conical filter
• Emissions Status: EPA compliant; CARB EO D-269-28

What's Included

The box includes the K&N performance intake tube, washable high-flow air filter, custom heat shield, mounting hardware, and installation components required for the applicable vehicle application.

Features:

• High-Flow Air Intake: Rotationally molded HDPE tubing increases airflow to the engine and supports improved horsepower and torque.
• Reusable Cotton Filter: Oversized conical oiled cotton media is washable, reusable, and designed for service intervals of up to 100,000 miles under normal highway conditions.
• Engine-Bay Heat Protection: Custom heat shielding helps reduce exposure to hot engine-bay air for more consistent intake performance.
• Vehicle-Specific Installation: Direct-fit components are engineered for select 2001-2004 Ford Explorer, Ford Ranger, and Mazda B4000 4.0L V6 applications and can typically be installed in less than 90 minutes.

Fitments:
2001 Ford Explorer Eddie Bauer
2001 Ford Explorer Limited
2001 Ford Explorer Postal
2001 Ford Explorer XL Fleet
2001 Ford Explorer XLS
2001 Ford Explorer XLT
2001 Ford Explorer Sport Base
2001 Ford Explorer Sport Trac Base
2001 Ford Ranger Edge
2001 Ford Ranger XL
2001 Ford Ranger XLT
2001 Mazda B4000 DS
2001 Mazda B4000 SE
2002 Ford Explorer Sport Base
2002 Ford Explorer Sport Trac XL
2002 Ford Ranger Edge
2002 Ford Ranger XL
2002 Ford Ranger XLT
2002 Mazda B4000 Base
2002 Mazda B4000 DS
2003 Ford Explorer Sport XLS
2003 Ford Explorer Sport XLT
2003 Ford Explorer Sport Trac XLS
2003 Ford Explorer Sport Trac XLT
2003 Ford Ranger Edge
2003 Ford Ranger XL
2003 Ford Ranger XLT
2003 Mazda B4000 Base
2003 Mazda B4000 DS
2003 Mazda B4000 SE
2004 Ford Explorer Sport Trac XLS
2004 Ford Explorer Sport Trac XLT

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-269-28
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1