K-N FILTERS RO-4118 Royal Enfield Air Filter High 024844384232

( Brand: K-n Filters ), ( Manufacturer Part Number: RO-4118 ), ( Model: HIGH-FLOW ), ( Part Type: Filter ), ( Base Color: Black ), ( Base Color 2: Red ), ( Features: Washable ), ( Filter Height: 5.625 ), ( Filter Media Material: Cotton Gauze ), ( Filter Shape: Cylinder ), ( Inside Diameter: 2.125 ), ( Units: Each ), ( Alt Mpn 1: 1011-4563 ), ( Alt Mpn 2: Knnro-4118 ), ( Category 1: Air Filters / Cleaners ), ( Average Delivery Time: 2-3 Days ), ( Package Weight: 2.0000 ), ( Package Length: 7.30 ), ( Package Width: 4.80 ), ( Manufacturer Warranty: 90 Days ), ( UPC: 024844384232 )

Review K N FILTERS Air Filter Royal Enfield

Introducing the RO-4118 Air Filter, a high-performance replacement part designed specifically for Royal Enfield motorcycles. This air filter is engineered to provide optimal engine protection and enhanced airflow, ensuring a smoother and more efficient riding experience.

The RO-4118 Air Filter is made from pleated cotton gauze material, which boasts a high filtration efficiency of up to 99%. This means that it effectively traps even the smallest of particles, such as dust, pollen, and exhaust fumes, preventing them from entering the engine and causing damage. This not only prolongs the engine's lifespan but also improves its overall performance.

The filter's unique design includes a layered structure that allows for increased surface area, which in turn leads to improved airflow. The filter's large surface area enables a greater volume of air to pass through, ensuring that the engine receives an adequate supply of clean air for optimal combustion.

The RO-4118 Air Filter is also easy to install, making it a convenient choice for riders looking to maintain their Royal Enfield motorcycle. It comes with a reusable oil bath air filter housing, which can be cleaned and reused, making it a cost-effective solution for those who prefer to save on replacement parts.

The filter's robust construction ensures that it can withstand the rigors of regular use, making it a reliable choice for riders. Its sturdy design also ensures that it remains securely in place, even during high-speed rides or off-road adventures.

In summary, the RO-4118 Air Filter is a high-performance replacement air filter designed specifically for Royal Enfield motorcycles. Its superior filtration efficiency, increased airflow, and robust construction make it an essential accessory for any Royal Enfield rider looking to optimize their riding experience and protect their engine from damage.

RO-4118 air filters, manufactured by ROX Filters, are commonly used in Royal Enfield motorcycles due to their ability to enhance engine performance and increase filtration efficiency. Here are some pros and cons of buying a RO-4118 air filter for your Royal Enfield:

1. Improved Engine Performance: RO-4118 air filters have a larger filtering surface area, which allows for better airflow and improved engine performance. This results in increased power and torque.

2. Enhanced Filtration: The RO-4118 air filter has a higher filtration efficiency than the stock air filter. This means that it can trap more dirt and dust particles, keeping the engine cleaner and reducing the need for frequent oil changes.

3. Longer Filter Life: The RO-4118 air filter has a longer filter life than the stock air filter. This is due to its larger filtering surface area and higher filtration efficiency, which allows it to last longer before needing to be replaced.

4. Better Fuel Economy: By improving engine performance and keeping the engine cleaner, the RO-4118 air filter can help improve fuel economy.

5. Easy Installation: The RO-4118 air filter is easy to install and requires no modifications to the motorcycle.

1. Higher Cost: The RO-4118 air filter is more expensive than the stock air filter. This may be a consideration for some riders who are on a budget.

2. Potential for Increased Noise: Some riders have reported that the RO-4118 air filter can increase engine noise due to the improved airflow.

3. Requires Regular Maintenance: While the RO-4118 air filter has a longer filter life than the stock air filter, it still requires regular maintenance. This includes cleaning or replacing the filter at recommended intervals.

The RO-4118 air filter offers several benefits for Royal Enfield riders, including improved engine performance, enhanced filtration, longer filter life, and better fuel economy. However, it comes with a higher cost and the potential for increased noise. Ultimately, the decision to purchase a RO-4118 air filter depends on your budget, riding style, and priorities. If you value improved performance and filtration, and are willing to pay a higher price, then the RO-4118 air filter may be a worthwhile investment. If you are on a budget or prefer a quieter ride, then the stock air filter may be a better option for you.

If you are looking for improved engine performance, enhanced filtration, and a longer filter life for your Royal Enfield, then the RO-4118 air filter is a good option to consider. However, keep in mind that it comes with a higher cost and the potential for increased noise. Before making a purchase, weigh the pros and cons carefully and consider your budget and riding priorities. If you are unsure, consult with a professional mechanic or Royal Enfield dealer for advice.

Details:

PART TYPE Air Fuel. FILTER SHAPE Cylinder. FILTER height 5.625. K N Filters Air Filter - Royal Enfield RO-4118:: High Flow Replacement Filter Pleated media provides a large filtration area offering long service intervals.

Combined shipping available. Designed to increase horsepower and torque. FLANGE POSITION None. Multi-layers of woven cotton gauze media offer excellent filtration.

Made in the USA. American-made for over 50 years. 100% satisfaction guaranteed. Application-specific sealing bead ensures an airtight fit.

Washable, reusable, pre-oiled and ready to ride.

part #: ro4118 prices

• $106.99-$159.91

specifications scoofilters:

• brand: K-n Filters
• mpn: Ro-4118
• model: High-flow
• part type: Filter
• base color: Black
• base color 2: Red
• features: Washable
• filter height: 5.625
• filter media material: Cotton Gauze
• filter shape: Cylinder
• inside diameter: 2.125
• units: Each
• alt mpn 1: 1011-4563
• alt mpn 2: Knnro-4118
• category 1: Air Filters / Cleaners
• average delivery time: 2-3 Days
• package weight: 2.0000
• package length: 7.30
• package width: 4.80
• manufacturer warranty: 90 Days
• upc: 024844384232

payments scooFilters:

• wallet: Google-pay
• credit card: Mastercard
• other

seller scooFilters:

• # reviews: 474785
• city: Hilliard, Ohio
• rating: 99.0%

general scooFilters:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Air Filters
• condition: New

offer scooFilters:

• availability: In Stock
• quantity: 10
• started: August 27, 2025
• options: Ship-to-home
• sold: 0

returns scooFilters:

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

shipping scooFilters:

• service: FedEx Ground / FedEx Home Delivery, FedEx 2Day, FedEx Standard Overnight
• carrier: FedEx
• class: Standard, Expedited, One-day
• cost: $0.00
• transit: 2-6 Days
• type: Calculated

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