K&N 59-3364 Marine Flame Arrestor / High-Flow Air Filter (5.125" Flange)

Application Fitment

• Universal marine & custom-intake applications (e.g., boats, marine engines, custom builds)

Features

• Marine-approved flame arrestor - compliant with safety standards for marine engine use
• Washable, reusable cotton-gauze filter media with epoxy-bonded screen - long service life and excellent filtration
• Round-straight "flame arrestor" design smooths airflow and helps protect engine from back-fire/flash hazards
• High-flow design - improves air intake volume and can increase horsepower/torque on marine or custom engines
• Polished stainless-steel top cap - corrosion-resistant and durable for marine environments
• Pre-oiled filter - ready for installation out of the box
• Simple hose-clamp installation - no special tools required; mounts to standard 5.125" flange
• Washable/reusable - reduces long-term maintenance costs compared to disposable filters

Specifications

• Flange inside diameter (ID): 5.125 in (130 mm)
• Air filter shape: Round / straight-flame-arrestor style
• Outer filter diameter: 9.0 in (229 mm)
• Filter element height: 2.75 in (70 mm)
• Total assembled height (with top cap): ~4.5 in (114 mm)
• Filter media: Oiled cotton-gauze with epoxy-bonded screen
• Top cap material: Polished stainless steel
• Weight: ~1.9 lb (0.9 kg)
• Mounting: Centered single-flange, 0° flange angle
• Maintenance: Wash and re-oil - filter is washable/reusable

Included Components

• 1x Round flame-arrestor air filter (5.125" flange, stainless-steel top)

Product Description

The K&N 59-3364 is a versatile marine-approved flame arrestor and high-flow air filter designed for use in boats, marine engines, or custom air-intake applications that accept a 5.125-inch flange. Its round, straight-through design with a stainless-steel top and premium cotton-gauze filtration medium helps deliver increased airflow while maintaining robust filtration and flame-arrestor safety - ideal for marine environments or high-performance engines requiring ample air volume.

Because the filter is pre-oiled, washable and reusable, maintenance is simple and cost-effective over time compared to disposable marine filters. Installation is straightforward: clamp the 59-3364 onto any compatible 5.125-inch intake tube or manifold using a standard hose clamp - no cutting or special tools needed. For boat owners or custom-intake builders seeking reliable airflow, durable construction, and flame-protection compliance in a reusable package, 59-3364 is a dependable choice.