Aftermarket Rear Brake Drum Cover w/ Dust Seal for 1988–2000 Honda TRX300 & TRX300FW FourTrax 2x4 / 4x4 – Replaces 40520‑HC4‑000, 40520‑HM7‑610

OVERVIEW

This aftermarket rear brake drum cover is engineered to restore precise wheel cylinder sealing and consistent stopping power on aging Honda ATVs. Crafted from heavy‑duty cast metal, it functions as a protective barrier that shields internal braking hardware from trail debris, moisture, and impact damage. Designed specifically for Honda FourTrax models, this direct‑replacement piece delivers reliable thermal management and structural integrity without the premium markup of factory components.

ENGINEERING & PERFORMANCE

Precision casting guarantees a seamless interface with the hub assembly, maintaining uniform pressure distribution and preventing dust infiltration during high‑load stops. The robust metallic construction resists warping, corrosion, and fatigue cycling far longer than degraded original equipment. A factory‑style dust gasket mounts securely during production, enabling a true bolt‑on conversion that satisfies OEM tolerance thresholds for sustained dual‑sport and trail use.

KEY FEATURES

• Direct replacement for the OEM rear brake drum cover
• Pre‑installed dust seal for streamlined installation
• Heavy‑duty cast construction rated for extended field service
• Precision‑machined mounting surfaces for accurate alignment
• Broad compatibility across all TRX300 2x4 and TRX300FW 4x4 platforms
• Engineering matches or surpasses original manufacturer specifications
• Budget‑friendly alternative to Honda dealership inventory
• Taiwan manufactured under controlled quality processes

TECHNICAL SPECIFICATIONS

• Brand: ArmorTech
• Part Name: Rear Brake Drum Cover
• Component Type: Brake Drum Cover
• Material: Heavy‑duty cast construction
• Supported Years: 1988–2000
• Compatible Trims: TRX300 2x4, TRX300FW 4x4
• OEM Cross Reference: 40520‑HC4‑000, 40520‑HM7‑610

FITMENT

• Honda TRX300 2x4 (1988–2000)
• Honda TRX300FW 4x4 (1988–2000)

WHY RIDERS CHOOSE THIS

Mechanics and trail riders turn to this replacement when stock covers develop hairline fractures, seized bolts, or compromised seals that reduce braking efficiency. The accurately machined cast body restores clean hub clearance and maintains consistent pedal travel, while the included gasket eliminates custom cutting or seal seating delays. By delivering factory‑level dimensional accuracy at a fraction of OEM cost, this cover ensures predictable deceleration and reduced maintenance intervals on older FourTrax platforms designed for rugged off‑road duty.