Bronco OEM‑Type Foam Air Filter for Arctic Cat 250 / 300 & Kymco Mongoose MXU 250 300 (2004‑2025)

OVERVIEW

This replacement is engineered to shield engine components from airborne dust and trail debris while maintaining steady intake volume during daily operation. Designed as an OEM-style one-stage air filter, it utilizes a durable synthetic foam center core paired with a precision-molded rubber sealing gasket to block contaminants from entering the intake tract. It serves as a direct upgrade for select Arctic Cat and Kymco all-terrain vehicle platforms.

ENGINEERING & PERFORMANCE

The single-stage foam matrix traps particulate matter efficiently without creating excessive backpressure, which sustains stable airflow and predictable throttle response under load. The high-density polymer structure withstands sustained exposure to heat and moisture while resisting compression over long service periods. Engineered to factory blueprints, the unit delivers model-specific sizing that aligns precisely with stock intake housings for an airtight, leak-free seal.

KEY FEATURES

• OEM-type 1-stage foam filter design
• Durable multi-layer foam construction
• Optimized particle filtration with unrestrictive airflow characteristics
• Direct replacement for Arctic Cat OEM part number 3303-704
• Economically priced K&N cross-reference equivalent to KY-2504
• Integrated rubber sealing gasket prevents unmetered air entry
• Drop-in installation requires no fabrication or tools

TECHNICAL SPECIFICATIONS

• Brand: Bronco
• Part Name: OEM-Type Foam Air Filter
• Filter Type: Air Filter
• Material: 1-Stage Synthetic Foam Media
• Supported Years: 2004–2025
• Compatible Trims: Arctic Cat 250/300 series, Kymco Mongoose MXU 250/300 series

FITMENT

• Arctic Cat Alterra 300 (2017–2022)
• Arctic Cat 250 2x4 (2006–2009)
• Arctic Cat DVX 250 (2006–2009)
• Arctic Cat 300 2x4 Auto (2010)
• Kymco Mongoose 250 (2004–2009)
• Kymco MXU 250 (2004–2009)
• Kymco MXU 300 (2004–2009)

WHY RIDERS CHOOSE THIS

Riders rely on this foam air filter for its proven capacity to trap fine silica and track mud without choking off the engine’s volumetric efficiency on dusty trails. The rigid one-stage foam architecture resists caking and maintains consistent permeability throughout repeated service cycles, ensuring uninterrupted fresh air reaches the combustion chamber. Factory-symmetrical geometry guarantees a secure interface with original intake housings, eliminating the vacuum leaks that often plague poorly manufactured aftermarket units. This blend of rugged contaminant control and precise dimensional compatibility simplifies routine maintenance while extending critical engine lifespan.