Will this fit a 2014 fj cruiser with cai?

Yes. This is a "drop-in" filter replacement for the OEM filter. All FJC's from 2010 on use a CAI - stock from the factory.

Will this fit a 2018 4runner trd off road?

Yes, it fit my 2017 4runner TRD off road and it is the same engine in 2018.

What are the dimensions of the actual filter?

The one I purchased has the following measurements. The top of the filter measures 12-3/8" X 9-1/8" The bottom of the filter measures 11-3/4" X 8-7/16" The filter measurements may differ as the frame of the filter is a rubbery material.

How do you clean this filter? Wash it? Vacuum? Both?

You can Tap clean for 85% of original airflow, Vacuum clean for 96%, or Wash for a 100% clean. I would recommend the wash clean using a mild household soap, or using AEM cleaning solution for dry flow filters.

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aFe POWER Magnum FLOW OE Replacement Air Filter w/Pro DRY S Media for Toyota 4Runner 10-24/ FJ Cruiser 10-14 V6-4.0L/ Lexus GX460 10-23 V8-4.6L #31-10208

aFe POWER Magnum FLOW OE Replacement Air Filter w/Pro DRY S Media for Toyota 4Runner 10-24/ FJ Cruiser 10-14 V6-4.0L/ Lexus GX460 10-23 V8-4.6L #31-10208

Product ID: 2411601

Details

Brand
aFe Power
Fit Type
Vehicle Fit
Number of Items
1
OEM Part Number
FRAM Extra
Product Grade
Performance

⚡Optimized airflow for enhanced engine performance

🌀3-layer Pro DRY S synthetic media

🛡️360° polyurethane frame with leak-proof seal

Description

🛠️ Upgrade your ride’s breathability—because your engine deserves the best air!

LIFETIME CONFIDENCE - Backed by a limited lifetime warranty, this filter is engineered to keep up with your drive.
EFFORTLESS MAINTENANCE - Oil-free design means quick, mess-free cleaning—stay on the road, not in the garage.
PRECISION FIT GUARANTEED - Progressive bump seal and 360° polyurethane frame ensure a perfect, leak-free fit every time.
BUILT FOR THE ADVENTUROUS - Recommended for street and light off-road use—because your 4Runner or GX460 deserves versatility.
PERFORMANCE DRIVEN AIRFLOW - Deep-pleated synthetic media maximizes airflow for improved throttle response and engine efficiency.

The aFe POWER Magnum FLOW OE Replacement Air Filter features a 3-layer Pro DRY S synthetic media for superior airflow and filtration, housed in a 360-degree polyurethane frame with a progressive bump seal to ensure a perfect, leak-free fit. Designed specifically for Toyota 4Runner (2010-2024), FJ Cruiser (2010-2014), and Lexus GX460 (2010-2023), it offers hassle-free, oil-free maintenance and is recommended for street and light off-road use. Backed by a limited lifetime warranty, this performance-grade filter enhances engine efficiency and durability.

Specifications

ASIN	B004I67JZG
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#1,032,834 in Automotive ( See Top 100 in Automotive ) #11,826 in Automotive Replacement Air Filters
Brand Name	aFe Power
Customer Reviews	4.7 4.7 out of 5 stars (77)
Fit Type	Vehicle Specific Fit
Global Trade Identification Number	00802959311684
Item Type Name	Air Filter
Manufacturer	aFe Power
Manufacturer Part Number	31-10208
Manufacturer Warranty Description	Limited Lifetime
Model Number	31-10208
OEM Equivalent Part Number	FRAM Extra Guard CA10835
Product Grade	Performance Part
UPC	802959311684
Unit Count	1.0 Count

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