Installation Time
(approx) 10 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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K&N Drop-In Replacement Air Filter (03-09 4.0L 4Runner)
Item TR1026
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Washable Reusable High-Flow Air Filters Feature State-Of-The-Art Design Of Layered Oiled Cotton Media
- Engineered To Improve Airflow And Capture Contaminants
- Designed To Provide Increase In Horsepower And Acceleration
- Reusable Engine Air Filter Engineered To Last The Entire Lifespan Of Vehicle
- No-Hassle Lifetime Limited Warranty
- Drop-In Replacement Filters Designed To Install Easily Into Factory Air Box Without Modification
- Manufactured With Durable Premium Materials And State-Of-The-Art Construction Methods
- Four Layers Of Premium Cotton Gauze Treated With Specially-Designed Tacking Agent
- Cleans Every 75,000 Miles Under Normal Highway Driving Conditions
- Reusable Filter Saves Money Compared To Multiple Disposable Filters
- Easy Installation Pre-Oiled And Ready To Drop Into Factory Air Box
- Reduces Waste By Replacing Disposable Filters And Packaging
- Panel Air Filter Shape
- Height 1.563 In (40 Mm)
- Package Contains 1 Air Filter
- Washable Yes
- Air Filter Material Cotton Gauze
- Product Style Unique Air Filters
- Flanges None
- Outside Length 14.063 In (357 Mm)
- Outside Width 6.563 In (167 Mm)
- Weight 1.1 Lb (0.5 Kg)
- Filter Re-Oiling Amount 1.27 Oz (38 Ml)
- Product Box Dimensions 14.56 In Length, 8.31 In Width, 1.75 In Height
- Filter Line High-Flow
- Overall Filter Efficiency Up To 99% Efficiency
- Warranty No-Hassle Lifetime Limited
- Fits 03-09 4.0L 4Runner
Description
High Performance Replacement. The K&N Drop-In Replacement Air Filter is designed to improve airflow and capture contaminants, enhancing engine horsepower and acceleration. This washable, reusable filter is engineered to last the entire lifespan of your vehicle while providing reliable engine protection from harmful particles.
Construction and Appearance. Made from four layers of premium cotton gauze treated with a specially-designed tacking agent, the filter offers superior filtration efficiency of up to 99%. Its panel shape and precise dimensions ensure an exact fit for the factory air box. Crafted with durable materials and advanced construction methods, it delivers rugged longevity.
Installation. This pre-oiled filter is ready for easy drop-in installation without drilling or modification, fitting directly into the factory air box for a hassle-free upgrade.
Warranty. Backed by a no-hassle lifetime limited warranty for peace of mind.
Application. Specifically fits the 03-09 4.0L 4Runner model, ensuring precise compatibility without the need for modifications.
K&N 33-2281
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Air Filter
4.7
Customer Reviews (500+)
Questions & Answers
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Will It Fit My 4Runner
- Limited - 03, 04, 05, 06, 07, 08, 09
- Sport - 03, 04, 05, 06, 07, 08, 09
- SR5 - 03, 04, 05, 06, 07, 08, 09
