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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
K&N 4.0L V6 Gas Cold Air Intake 57-9034 For 4Runner57 series OEM air box intake systems include a washable, reusable High Flow Air Filter paired with a CAD designed high airflow intake tube, and is designed to be a simple, cost effective performance upgrade. The included oiled cotton filter is a direct replacement for your factory filter, drops easily into the factory air box, can go up to 50,000 miles between filter services under normal highway driving conditions, and offers K&N's industry leading
57-series OEM air box intake systems include a washable, reusable High-Flow Air Filter™ paired with a CAD-designed high airflow intake tube, and is designed to be a simple, cost-effective performance upgrade. The included oiled cotton filter is a direct replacement for your factory filter, drops easily into the factory air box, can go up to 50,000 miles between filter services under normal highway driving conditions, and offers K&N's industry-leading engine protection. Each 57-series OEM air box intake system is designed for specific vehicle applications to ensure a precise fit, and can typically be installed in less than 90 minutes with only standard hand tools. Buy with confidence under the K&N® 10-Year/Million Mile Limited Warranty™. Legal in all 50 States.
- Guaranteed to increase horsepower and torque
- Roto-molded HDPE intake tube paired with a direct replacement High-Flow Air Filter™
- Designed to improve throttle response and engine sound
- Engineered to provide high airflow and exceptional filtration
- Filter only requires cleaning every 50,000 miles under normal highway driving conditions
- Typical installation can be completed in 90 minutes or less with simple hand tools
- 10-Year/Million Mile Limited Warranty™
- 50 State legal
| Estimated Horsepower Gain |
5.84 HP @ 5400 RPM |
| Replacement Filter |
33-2438 |
| Air Filter | Red |
| Air Filter Material | Cotton Gauze |
| Product Style |
57 Series FIPK |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Cross-Linked Polyethylene |
| Street Legal In All US States | Yes |
| Weight | 6 lb (2.7 kg) |
| Mounting Hardware Included | Yes |
| Warranty | 1,000,000 Miles/10 Year |
TOOLS NEEDED: Wrench, Extension, Flat Blade Screwdriver, Allen Wrench
INSTALLATION TIME: 60-90 Minutes
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Good filter kit
Size: 2017-2025 FD-4625 & FL2124S Fuel Filter Set
Been using this parts since 2 years ago. Never have any issues. I recommend it.
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Fit as advertised
Size: 2020-2023 Set & Air & Cabin Air Filter
Everything fit as it should no issues with installation.
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Reviewed in the United States on March 3, 2026
★★★★★ 5
Great Set
Size: 2017-2025 FD-4625 Fuel Filter Set
Worked perfectly with my 2019 Ford F-350.
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Reviewed in the United States on January 18, 2026
★★★★★ 4
Oil filter did not fit
Size: 2017-2025 FD-4625 & FL2124S Fuel Filter Set
The oil filter would not tighten all the way down. I have a 2017 F250 6.7l. The fuel filters worked but oil filter did not want to tighten all the way down.
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Reviewed in the United States on August 3, 2023
★★★★★ 5
No issues
Size: 2017-2025 FD-4625 Fuel Filter Set
Ive been running these aftermarket filters without any issues. They arent oem but no issues.
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Reviewed in the United States on May 28, 2026