K&N 33-2140-1 High-Flow Air Filter for 1999-2004 Ford F-150 Lightning 5.4L V8

Vehicle Fitment

• 1999-2004 Ford F-150 Lightning (SVT, 5.4L V8 Supercharged)
• 2002-2003 Ford F-150 Harley-Davidson Edition (5.4L V8)

Fitment Notes

• Designed as a direct drop-in replacement for factory airbox - no cutting or trimming required.
• Replaces OEM Ford part number XL3Z9601AA.
• Fits SVT Lightning models from 1999-2004 and Harley-Davidson Edition F-150 from 2002-2003 only.
• Does not fit standard F-150 non-Lightning/non-Harley Davidson trim levels.

Features

• Layered oiled cotton gauze media engineered to increase horsepower and acceleration.
• Multi-layer cotton gauze sandwiched between epoxy-coated aluminum wire screens for durability.
• Specially formulated K&N filter oil creates a tacky barrier to trap fine contaminants.
• Washable and reusable - serviceable up to 50,000 miles before cleaning is required.
• Drop-in design installs directly into the stock factory airbox with no modifications.
• Pre-oiled and ready to install straight out of the box.
• Compatible with OEM vehicle electronics - no tune or fuel management changes required.
• Backed by K&N's No-Hassle Million Mile Limited Warranty.

Specifications

• Part Number: 33-2140-1
• Filter Style: Panel (Drop-In OE Replacement)
• Filter Material: Cotton Gauze
• Frame Design: Flexible
• Outside Length: 12.813 in (325 mm)
• Outside Width: 7.688 in (195 mm)
• Height: 0.875 in (22 mm)
• Weight: 0.9 lb (0.4 kg)
• Filter Re-Oiling Amount: 1.52 oz (45 ml)
• OEM Replacement For: Ford XL3Z9601AA
• Color: Red

Included Components

• 1x K&N 33-2140-1 Panel Air Filter (Pre-Oiled)

Product Description

The K&N 33-2140-1 is a direct-fit, high-flow replacement air filter engineered specifically for the 1999-2004 Ford F-150 SVT Lightning and the 2002-2003 F-150 Harley-Davidson Edition, both equipped with the 5.4L V8. It replaces the restrictive factory paper element with a reusable cotton gauze panel filter, delivering improved airflow to help unlock more horsepower and sharper throttle response - all while maintaining effective filtration.

Installation is as simple as removing the stock filter and dropping this K&N unit into the existing factory airbox - no cutting, trimming, or modifications needed. The filter ships pre-oiled and is fully washable, designed to last the life of the vehicle with proper maintenance every 50,000 miles. It replaces OEM Ford part XL3Z9601AA and is backed by K&N's Million Mile Limited Warranty.