M MATI Brake Master Cylinder for Kawasaki Mule & Teryx — OEM-fit with Reservoir & Banjo Bolt

This replacement brake master cylinder assembly (manufacturer part numbers 43015-1683, 43015-1682, 43015-1551) includes the reservoir and banjo bolt and is built to the same basic dimensions and mounting points as the original unit. It’s intended for a wide range of Kawasaki Mule and Teryx models from the late 1980s through 2023, offering an affordable way to return consistent pedal feel and hydraulic pressure when the original master shows wear, leaks, or internal seal failure.

Which Kawasaki models does this M MATI master cylinder fit?

This assembly fits many Kawasaki side-by-side models across multiple years. Verify your machine’s part number or compare the mounting and brake line fittings to ensure compatibility before ordering.

• KAF300 Mule 500/520/550: 1991–2004
• KAF400 Mule 600/610/SX: 2005–2023
• KAF450 Mule 1000: 1988
• KAF540 Mule 2010/2020/2030: 1990–1991
• KAF620 Mule series 2500–4010: 1993–2023
• KAF950 Mule Diesel 2510/3010/4010: 2000–2013
• KRT750/KRF750 Teryx/Teryx4 750: 2008–2013
• KRT800/KRF800 Teryx/Teryx4 800: 2014–2023

How does this replacement restore braking performance?

The M MATI replacement is manufactured to match OEM dimensions and includes the reservoir and banjo bolt so it integrates directly into the vehicle’s existing brake lines. Replacing a worn or leaking master cylinder re-establishes correct hydraulic pressure and pedal feel.

• Replaces failed seals and worn bore surface to stop leaks
• Restores consistent pedal travel and pressure delivery
• Ships with reservoir and banjo bolt for straightforward installation
• Engineered for durable performance with precision manufacturing

What should I check before installing the M MATI master cylinder?

Confirm compatibility with your model and inspect brake lines and calipers for damage before fitting the new unit. Always bleed the brake system after installation to remove air and verify correct operation under safe conditions.

• Compare part numbers 43015-1683 / 43015-1682 / 43015-1551 to your original
• Inspect hoses, fittings, and calipers for wear or leaks
• Use correct brake fluid and follow a complete bleed procedure
• Do not use on Mule PRO KAF820/KAF1000 or Teryx KRX/KRF1000 editions

What comes in the box and what support is available?

One complete brake master cylinder assembly arrives securely packaged for protection. M MATI offers a one-year product service window—contact customer support if you have fitment or manufacturing concerns.

• Package: Brake Master Cylinder Assembly x 1 in protective box
• Includes reservoir and banjo bolt for direct substitution
• Replacement part cross-references: 43015-1552, 43015-1398, 43015-1355
• Warranty/service support available for one year after purchase

Who is this for: The M MATI Brake Master Cylinder is aimed at Kawasaki owners, professional mechanics, and fleet maintainers who need an economical OEM-spec replacement for leaking or worn master cylinders on Mule and Teryx side-by-sides (see fitment list). It’s ideal when you want a direct-fit assembly that minimizes downtime and restores hydraulic braking performance without modifying original brake plumbing. If you ride a Mule PRO KAF820/KAF1000 or a Teryx KRX/KRF1000 edition, this unit is not compatible—confirm model fitment before ordering.