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Home > Universal Air Filter > Car Engine air Filte ID 3.5 Inch Clamp Automotive Air Filter Manufacturers AotoKoop

Car Engine air Filte ID 3.5 Inch Clamp Automotive Air Filter Manufacturers AotoKoop

Upgrade your vehicle's intake with this high-performance air filter, engineered for direct compatibility. Designed by leading automotive air filter manufacturers, this cold air intake filter fits 3", 3.5", and 4" inlet systems. The package includes two reducing sleeves (76mm and 63mm) for a universal fit, making installation straightforward.

Product Dimensions: Height: 6.5" (165mm), Width: 5.9" (151mm), Tapered Side: 5.1" (130mm). Please reference the detailed diagram and verify your available space before purchasing this performance air filter.

Engineered for Performance: Utilizing advanced filtration media from a professional air filter manufacturer, this turbo air filter delivers superior airflow compared to standard paper filters, resulting in increased power and acceleration. Remember, clogged engine air filters are a common cause of reduced vehicle performance.

Eco-Friendly & Reusable: This washable car engine air filter is a sustainable choice, designed to be cleaned and reused, significantly reducing waste from disposable filters.

Superior Engine Protection: This performance air filter pushes the limits of protection by effectively shielding your engine from harmful contaminants, making it an optimal choice for maintaining engine health.

Easy Installation: As one of the easiest and most cost-effective performance upgrades, this pre-oiled cold air intake filter features a simple clamp-on design for quick gains.

Trust in the quality of professional automotive air filter manufacturers for your engine air filters. This turbo air filter is built to optimize airflow, protect your engine, and enhance your driving experience.

SKU: 2025-AF-3s1-r
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
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  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • Description

Key attributes

OE NO.
Universal Warranty 1 year
Place of Origin
Guangdong, China
Car Model
Universal
Purpose
for engine high flow air filter
Condition
New
Items Included
Clamp Size 3 sizes in 1: 76mm/3inch, 89mm/3.5inch, 101mm/4.0
Brand Name
AotoKoop (No Logo) Model Number AK-AF3781
Product Name
High Flow Air Filter
Material
Non-woven
Fitment
Universal
Certificate
100% Tested
Style
Cone Quality High-Quality
Function
Cold Air Intake Cleaner Color Blue, Red
MOQ
1PCS Type High-Quality Air Filters


Packaging and delivery

Selling Units
Single item Single package size 17X17X20 cm
Single gross weight
0.600 KG

Functional Application and Intended Users

Designed for automotive engineers and maintenance professionals focused on performance, the AotoKoop 4 Inch inlet cold air intake filter offers a reliable solution compatible with 3", 3.5", and 4" clamp-on systems. It serves as an upgrade or replacement part for vehicles requiring improved airflow without compromising engine protection. The universal fitment, aided by included reducing sleeves, supports seamless integration across multiple engine layouts. This cold intake air filter targets workshops and performance shops prioritizing throttle response optimization and durability in modified and stock engine configurations, delivering a practical balance between power gains and filtration reliability.

Technical Specifications and Appliance Metrics

This airflow enhancement device employs non-woven filtration media engineered to surpass the airflow rates characteristic of standard paper filters. Measuring approximately 6.5 inches in height with a compact shorty cone design, it ensures compatibility even within constrained engine bays. The kit includes reducing sleeves designed for 76mm and 63mm fits, facilitating adaptability to common inlet sizes. Pre-oiled and reusable, this cold air intake component supports sustainability by reducing replacement frequency. Its clamp-on design simplifies installation workflows, minimizing labor and downtime, while maintaining consistent filtration performance across operating conditions.

Industry Use Cases and Value Proposition

Within automotive service and aftermarket sectors, this air cold intake unit elevates intake efficiency in performance-enhancement procedures and routine maintenance cycles. It is especially applicable for technicians executing performance builds that require consistency in airflow and contamination control. The washable and reusable characteristics yield long-term cost savings and compliance with environmental considerations. Furthermore, the availability of blue and red color options supports integration with various engine bay aesthetics, suitable for professional customization projects and inventory standardization in cold air intake manufacturers’ product lines.


Product Advantages

Advanced Structural Design and System Integration

The AotoKoop filter’s modular construction with reducing sleeves exemplifies adaptability, enabling it to accommodate multiple inlet diameters ranging from 3” to 4”. Its shorty cone architecture optimizes spatial efficiency, addressing engine bay constraints commonly encountered in modern vehicles. The use of non-woven filtration media enhances structural integrity and filtration area, increasing the media’s exposure to incoming airflow for superior throughput. The clamp-on system ensures simplified mechanical fastening, reducing complexity when interfacing with existing intake tubing. This cold air intake tube design reflects thoughtful engineering aimed at universal compatibility and streamlined retrofit operations.

Enhanced Performance and Operational Efficiency

Operationally, this filter supports improvements in throttle response through elevated airflow, outperforming disposable filters by permitting higher volumetric efficiency. The washable feature ensures sustained performance over time, minimizing recurring costs and reducing waste streams typical of replacement filters. The pre-oiled media facilitates immediate deployment with optimized particle capture effectiveness from initial installation. Additionally, this system offers flexibility for technicians needing quick swap capabilities between vehicles with compatible inlet sizes, enhancing workflow adaptability in performance tuning environments. The product thus delivers consistent air cold intake performance combined with ease of use and maintenance economy.


Use Scenarios

Implementation in Automotive Workshop Performance Upgrades

Within professional automotive repair and modification environments, this cold intake air filter is frequently deployed to replace factory-installed components or upgrade air induction systems. Its compatibility with a broad range of clamp-on diameters permits technicians to rapidly configure intake setups tailored to specific vehicle models or aftermarket parts combinations. The washable, reusable design reduces inventory turnover and aligns with workshop sustainability protocols. Installation workflows benefit from the shorty cone form factor that fits compact engine bays, improving accessibility and reducing vehicle service time. This product therefore integrates effectively into performance upgrade pipelines focused on maximizing engine breathing efficiency while maintaining contamination control.

Integration in Fleet Maintenance and Engine Optimization Programs

Fleet operators and service providers can incorporate this cold air intake filter to extend scheduled maintenance intervals and enhance engine longevity across varied vehicle types. The universal fitment enabled by included reducing sleeves supports standardized parts management and simplifies logistics in servicing vehicles with differing intake diameters. Its high-flow media contributes to optimized combustion processes, improving fuel efficiency and emissions compliance. Additionally, the clamp-on design affords rapid filter replacements during routine inspections, minimizing operational downtime. This solution thus aligns with fleet management objectives targeting cost-effective engine performance optimization and consistent environmental adherence.





About Us

AotoKoop.com specializes in providing high-quality car modification products for automotive enthusiasts and businesses. Our product range primarily includes automotive engine silicone hoses and related components. We supply bulk orders and customized products tailored to diverse requirements.

Our extensive catalog features Silicone Hoses, Vacuum Hoses, Truck Hoses, Cold Air Intake Filters, Aluminum Pipes, Intercoolers, Radiators, Oil Cooler Hoses & End Fittings, Exhaust Pipes, Exhaust Tips, and more. These products support vehicles from European, American, Japanese, and Korean markets.

With over five years operating an official AotoKoop Brand Store on Amazon, we have garnered positive reviews for our commitment to quality and durability. Bulk customers may receive free samples to assess product standards before ordering.

For reliable performance parts backed by over a decade of production expertise, contact us now for your custom quote!


FAQ

What sizes does the AotoKoop cold air intake filter fit?

The AotoKoop cold air intake filter supports inlet sizes of 3", 3.5", and 4" (76mm, 89mm, and 101mm). It includes reducing sleeves (76mm and 63mm) to ensure compatibility with standard 3" cone air filters and clamp-on systems across these dimensions.

Is the AotoKoop cold air intake filter washable and reusable?

Yes, this cold air intake filter is made with washable, non-woven filtration media designed for reuse. Its washable feature reduces replacement waste while maintaining filtration efficiency for long-term engine protection.

Can the color options of this air intake filter be customized?

The filter is available in two color options: blue and red. These choices enable visual customization of the engine bay aesthetics, aligning with various vehicle styles and preferences without compromising functionality.

How simple is the installation of this cold air intake tube filter?

Installation is straightforward with the included clamp-on design and pre-oiled filter media. The package’s reducing sleeves facilitate easy fitment on various inlet sizes, making it suitable for quick upgrades or replacements on compatible vehicles.

$5.74 $27.99
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  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
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  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
  • AotoKoop 4 Inch Inlet Cold Air Intake Filter, fit 3.5 Clamp on and 3" Cone Air Filter, Shorty Air Filter for Car
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