POLARIS 1240701 Pro Xd Airbox Intake Air Box 4000D

( Part Type: Intake Box ), ( Manufacturer Part Number: 1240701 )

Review POLARIS Pro Xd Airbox Intake Air Box fits CREW 2021

Introducing the Polaris 1240701 21 Pro XD 4000D Crew Airbox Intake, a high-performance solution designed specifically for Polaris 21 Pro XD 4000-series utility vehicles. This intake system is an essential upgrade for optimizing engine performance, delivering more power and improved air filtration.

The intake box is constructed from durable, injection-molded poly material, ensuring a precise fit and long-lasting durability. Its large, 4000cc capacity allows for increased airflow, enabling the engine to breathe more efficiently and deliver more power. The intake box is designed to accommodate up to six filters, providing excellent air filtration and ensuring clean air enters the engine.

The intake box incorporates a high-flow, conical air filter design that offers increased surface area and improved filtration efficiency. The filters are easily accessible, making maintenance a simple and quick process. This intake system also features a unique, tool-less design that makes installation and removal a breeze.

The Polaris 1240701 21 Pro XD 4000D Crew Airbox Intake is not only a performance upgrade but also a stylish one. Its sleek, black design complements the look of the Polaris 21 Pro XD utility vehicles, adding a touch of sophistication and style.

In summary, the Polaris 1240701 21 Pro XD 4000D Crew Airbox Intake is an essential upgrade for Polaris 21 Pro XD 4000-series utility vehicles, delivering increased power, improved air filtration, and a stylish appearance. Its durable construction, large capacity, and user-friendly design make it a must-have for anyone looking to get the most out of their utility vehicle.

Pros and Cons of buying a Polaris 1240701 21 Pro XD 4000D Crew Airbox Intake

The Polaris 1240701 21 Pro XD 4000D Crew Airbox Intake is an aftermarket upgrade designed to improve the performance and durability of the Polaris Pro XD 4000D Crew Cab utility vehicle. In this analysis, we will discuss the advantages and disadvantages of purchasing this airbox intake.

1. Enhanced engine performance: The Polaris 21 Pro XD 4000D Crew Airbox Intake is designed to provide your engine with more air, leading to increased horsepower and torque. This can result in faster acceleration and improved overall performance.

2. Improved filtration: The airbox intake features a large, high-capacity filter that can trap more dirt, dust, and debris than the stock filter. This can help prevent engine damage and extend the life of your engine.

3. Durable construction: The airbox intake is made from high-quality materials, including a reinforced polymer intake tube and a UV-resistant, injection-molded airbox. This ensures that the intake can withstand harsh conditions and last for a long time.

4. Easy installation: The airbox intake can be installed in about an hour with common hand tools, making it a relatively simple upgrade for most DIY enthusiasts. No major modifications are required.

1. Cost: The Polaris 1240701 21 Pro XD 4000D Crew Airbox Intake is a premium aftermarket upgrade, and the cost may be a deterrent for some buyers.

2. Requires tuning: In order to fully unlock the performance gains of the airbox intake, you may need to have your vehicle tuned by a professional. This can add to the overall cost of the upgrade.

3. Potential noise increase: The larger intake and filter may create slightly more engine noise, which some users may find unpleasant.

The Polaris 1240701 21 Pro XD 4000D Crew Airbox Intake is an excellent upgrade for those looking to enhance the performance and durability of their Polaris Pro XD 4000D Crew Cab utility vehicle. With improved filtration, enhanced engine performance, and durable construction, this intake offers numerous benefits. However, the cost, potential need for tuning, and slightly increased noise may be drawbacks for some buyers. Ultimately, the decision to purchase the airbox intake depends on your individual needs, budget, and preferences.

If you are looking for a significant performance boost for your Polaris Pro XD 4000D Crew Cab and are willing to invest in the upgrade, the Polaris 1240701 21 Pro XD 4000D Crew Airbox Intake is a solid choice. However, if cost is a concern, or if you are not sure about the benefits of the intake, it may be worth considering alternative upgrades or waiting for a sale or discount.

part # 1240701 prices

• $49.99-$99.99

specifications filterblank:

• for models: Crew
• for makes: Polaris
• for years: 2021
• part type: Intake Box
• manufacturer part number: 1240701

general filterblank:

• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Air Filters
• condition: Used

shipping filterblank:

• service: Standard
• cost: $0.00
• class: Standard
• type: Fixed
• transit: 3-7 Days

payments filterblank:

• credit card: Discover
• wallet: Apple-pay
• other

offer filterblank:

• availability: In Stock
• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home
• started: March 11, 2026

returns filterblank:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

seller filterblank:

• # reviews: 98794
• rating: 99.8%

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