M MATI Front Brake Master Cylinder — Left Handlebar (Part 0502-387) for Arctic Cat ATVs, Direct-Fit

M MATI left-handlebar front brake master cylinder replaces worn units on select Arctic Cat ATVs and Bearcat models, restoring reliable lever pressure and durable service life.

This direct-fit replacement master cylinder (Manufacturer Part # 0502-387) is engineered to match OEM mounting and hydraulic performance for a range of Arctic Cat models. Built with corrosion-resistant materials and precision machining, it’s intended to deliver consistent brake feel and longer operational life compared with degraded original components. Confirm vehicle fitment before ordering to ensure compatibility.

Which models does this master cylinder fit?

This part fits multiple Arctic Cat ATVs and Bearcat snowmobile models across late-1990s and early-2000s model years. It covers front-left handlebar brake applications for several engine sizes and model lines listed by the manufacturer.

• Arctic Cat ATV 250 (1999–2003)
• Arctic Cat ATV 300 (1998–2003)
• Arctic Cat ATV 375 (2002)
• Arctic Cat ATV 400 and 500 (1998–2003)
• Bearcat 454 snowmobile (1996–1998)

How does this replacement match original equipment performance?

The master cylinder is manufactured to the part number 0502-387 and engineered to meet the same hydraulic geometry as the original unit, helping maintain the intended lever travel and pressure. Materials and machining are selected to reduce wear and resist corrosion for prolonged service life.

• Precision bore and piston sizing to preserve hydraulic response
• Durable seals and housing materials for extended leak-free operation
• Direct-fit mounting points for straightforward installation

What should I check before installing this part?

Verify the replacement’s part number and listed compatible model years against your vehicle’s VIN or service manual to avoid fitment issues. Inspect brake lines, fittings, and fluid condition; replace or service related components as needed for safe reassembly and optimal braking.

• Confirm OEM or service manual part cross-reference (0502-387 and listed replacements)
• Examine hoses and banjo bolts for wear or leaks
• Use the correct DOT brake fluid and bleed system per manufacturer guidance

How long will the unit last and what after-sale service is offered?

Longevity depends on riding conditions and maintenance, but the cylinder is built with improved corrosion resistance and materials aimed at extending service life over worn originals. The seller provides a one-year service window—contact them for product issues within that timeframe.

• Manufactured to resist moisture and wear for longer life
• One-year product support for defects or fitment concerns
• Recommended periodic brake inspections for safety and durability

Who is this for: This master cylinder is suitable for Arctic Cat owners, ATV mechanics, and restoration enthusiasts who need a left-handlebar front brake replacement for select 1990s–2000s models. It’s aimed at riders who want a direct-fit, serviceable component that restores brake lever feel and reliability without modifying the vehicle. Always confirm compatibility with your specific model year and consult a qualified technician for installation and brake system bleeding.