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Set Your 2021 Toyota 4Runner Catalog
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Air Intake Filters for 2021 Toyota 4Runner


Showing 1 to 7 (of 7 total)
AEM Performance Replacement Panel Air Filter for 2021 Toyota 4Runner
In Stock
Starting @ $58.79
Fits 2021 Toyota 4Runner SUV
Limited 4WD, Limited RWD, SR5 4WD, SR5 RWD, Trail, SR5 Premium 4WD, SR5 Premium RWD, Trail Premium, TRD PRO, TRD OFF ROAD, TRD OFF ROAD Premium, Limited Nightshade 4WD, Limited Nightshade RWD, Nightshade 4WD, Nightshade RWD, Venture, Trail Special Ed. 4WD, Trail Special Ed. RWD, TRD Sport 4WD, TRD Sport RWD, 40th Anniversary Special Ed.
Dryflow Filter
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DC Sports Air Filter
In Stock
Starting @ $38.00
Fits 2021 Toyota 4Runner :
*Universal Fitment Available
Performance Top, 2.50" Inlet
Performance Top, 2.75" Inlet
Performance Top, 3.0" Inlet
Performance Top, 3.50" Inlet
Standard Flat Top, 2.50" Inlet
Standard Flat Top, 2.75" Inlet
Standard Flat Top, 3.0" Inlet
Standard Flat Top, 3.50" Inlet
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Mishimoto Performance Air Filter
In Stock
Starting @ $24.95
Fits 2021 Toyota 4Runner :
*Universal Fitment Available
2.75" Inlet
3.0" Inlet
Re-Oil Kit
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Weapon R Secret Weapon Air Filter
In Stock
Starting @ $54.95
Fits 2021 Toyota 4Runner :
*Universal Fitment Available
2.5" Inlet, 6.5" Wide, 6.5" Tall
2.75" Inlet, 6.5" Wide, 6.5" Tall
3.0" Inlet, 6.5" Wide, 6.5" Tall
3.0" Inlet, 6.5" Wide, 6.5" Tall, Stealth Black
3.5" Inlet, 6.5" Wide, 6.5" Tall
4.0" Inlet, 6.5" Wide, 6.5" Tall
Optional Ram Air Kit Only
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Takeda Pro Dry S Air Filter
In Stock
Starting @ $74.97
Fits 2021 Toyota 4Runner :
*Universal Fitment Available
2.75" Inlet, 5.0" Height, 6.0" Base
3.5" Inlet, 5.0" Height, 6.0" Base
4.5" Inlet, 5.0" Height, 6.0" Base
5.5" Inlet, 4.5" Height, 7.0" Base
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Injen Super-Nano Air Filter
In Stock
Starting @ $71.95
Fits 2021 Toyota 4Runner :
*Universal Fitment Available
2.50" Inlet
2.75" Inlet, 4.5" Height
2.75" Inlet, 5.0" Height
3.0" Inlet
3.25" Inlet, 4.5" Height
3.50" Inlet
4.50" Inlet
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AEM Dryflow Air Filter
In Stock
Starting @ $58.79
Fits 2021 Toyota 4Runner :
*Universal Fitment Available
2.5" Inlet, Short Neck, 5.0" Element
2.75" Inlet, Short Neck, 5.0" Element
3.0" Inlet, Short Neck, 5.0" Element
3.25" Inlet, Short Neck, 5.0" Element
3.5" Inlet, Short Neck, 5.0" Element
4.0" Inlet, Short Neck, 5.0" Element
4.5" Inlet, Short Neck, 5.0" Element
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Showing 1 to 7 (of 7 total)
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