WIX 42731 Nos Box Air Filter

( Brand: Wix ), ( Part Type: Box Filter ), ( Compatible Equipment Type: Ford ), ( Unit Type: Unit ), ( Manufacturer Part Number: 42731 ), ( Country/region Of Manufacture: United States )

Review WIX Genuine Nos Air Filter Open Box Free Shipping

Introducing the Wix 42731 NOS Air Filter Box, a crucial component for ensuring optimal engine performance in applications where a stock air filter may not suffice. Designed for use with Nitrous Oxide Systems, this high-performance air filter box is engineered to provide enhanced air flow and filtration for increased power and improved engine response.

The Wix 42731 NOS Air Filter Box is constructed from robust, high-density polyethylene material, ensuring durability and resistance to the harsh conditions often encountered in racing or high-performance applications. The box features a large, conical air filter element with a pleated design, which provides a larger filtering surface area and increased filtration efficiency. This results in a cleaner air supply to the engine, reducing the intake of contaminants and improving combustion efficiency.

The air filter element is designed to be easily accessible for cleaning or replacement, with a simple, tool-less design that allows for quick and convenient maintenance. The box also includes a secure mounting system, ensuring a stable and vibration-free installation, even during high-speed operation.

The Wix 42731 NOS Air Filter Box is available in various sizes to suit a wide range of applications, from small 4-cylinder engines to large V8 powerplants. Its universal design makes it an excellent choice for custom builds, hot rods, and race cars, where the need for high-performance air filtration is essential.

In summary, the Wix 42731 NOS Air Filter Box is a high-performance, durable, and efficient solution for enhancing air flow and filtration in applications where a stock air filter may not be sufficient. Its large, conical air filter element, robust construction, and easy-to-maintain design make it an essential component for anyone seeking to maximize engine performance and power output.

Buying a Wix 42731 air filter box has its own set of advantages and disadvantages that are essential to consider before making a purchase.

1. OEM Quality: The Wix 42731 air filter box is an Original Equipment Manufacturer (OEM) part, which means it is manufactured by the same company that originally produced it for your vehicle. It is designed to fit perfectly and function optimally.

2. Improved Engine Performance: A clean air filter allows for better airflow into the engine, resulting in improved engine performance, increased fuel efficiency, and a longer engine life.

3. Convenient Replacement: The Wix 42731 air filter box is a direct replacement for the original part, making it a convenient and straightforward upgrade.

4. Long Lasting: The Wix 42731 air filter box is designed to last long, providing excellent filtration for an extended period, reducing the need for frequent replacements.

1. Cost: OEM parts like the Wix 42731 air filter box can be more expensive than aftermarket alternatives. However, the increased cost is often justified by the superior quality and fit.

2. Limited Availability: While the Wix 42731 air filter box is widely available, it may not be as easily accessible as aftermarket alternatives, making it less convenient for some customers.

In conclusion, the Wix 42731 air filter box is an excellent choice for those seeking OEM quality, improved engine performance, and a long-lasting filter. Despite the higher cost and limited availability, the advantages often outweigh the disadvantages.

Recommendation: If you prioritize OEM quality, superior filtration, and a perfect fit for your vehicle, the Wix 42731 air filter box is a solid investment. However, if you are on a tight budget or prefer the convenience of readily available aftermarket alternatives, you may want to consider other options. Ultimately, the decision depends on your specific needs and priorities.

Details:

This is a Genuine Wix NOS Air Filter with part number 42731 and contains an Open Box. The original box is in poor condition and contains dust.

part #: 42731 prices

• $47.99-$110.80

specifications heavyaccoutrement:

• brand: Wix
• part type: Box Filter
• compatible equipment type: Ford
• unit type: Unit
• manufacturer part number: 42731
• country/region of manufacture: United States

returns heavyaccoutrement:

• policy: No Returns

payments heavyaccoutrement:

• wallet: Apple-pay
• other
• credit card: Diners-club

general heavyaccoutrement:

• condition: New Open box
• Heavy Equipment, Parts Attachments > Heavy Equipment Parts Accessories > Hardware Parts

seller heavyaccoutrement:

• # reviews: 2712
• rating: 100.0%
• city: Stormville, New York

offer heavyaccoutrement:

• best offers: True
• sold: 0
• availability: In Stock
• started: September 20, 2025
• quantity: 1
• options: Ship-to-home

shipping heavyaccoutrement:

• transit: 4-9 Days
• cost: $0.00
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• type: Calculated

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