JAVIK Brake Master Cylinder for Polaris RZR & Ranger 570–1000 — Aluminum Direct-Fit OEM#1911515

If your Polaris RZR, Ranger, ACE, General or Brutus is showing soft pedal feel, loss of braking response, or a leaking master cylinder, this JAVIK unit is built to restore hydraulic function without modifying the brake system. The part is cast from aluminum alloy for corrosion resistance and strength, comes as a single complete master cylinder assembly, and covers dozens of model-year fitments so you can replace the original quickly.

Which Polaris models and years does this part fit?

This master cylinder fits a wide range of Polaris side-by-sides across Ranger, RZR, ACE, General and Brutus families. Check the exact model and year against the list below before ordering to ensure compatibility.

• Ranger: 400 (2010–2014), 500 (2007–2019), 570 (2014–2019), 700 (2007–2009), 800 (2010–2017), 900 (2011–2014), and many Crew/XP variants.
• RZR: 570 (2012–2019), 800 (2008–2014), 900/1000 ranges, S and XP variants spanning 2009–2019.
• ACE, Sportsman ACE, General 1000, Brutus and Brutus HD model years listed in product details.
• Confirm fitment with your OEM part number or vehicle VIN when possible.

How does this JAVIK master cylinder compare to the original OEM part?

The JAVIK assembly is manufactured to match the OEM mounting points, ports and overall dimensions, and it lists OEM#1911515 as well as several replacement numbers it covers. The aluminum alloy construction resists corrosion and supports highway and off-road demands without major weight increase.

• Direct-fit design compatible with factory brake lines and hardware.
• Matches OEM mounting and hydraulic port locations for plug-and-play installation.
• Aluminum alloy body offers improved corrosion resistance versus some cast-iron units.
• Replaces multiple Polaris OEM numbers (see replacement list in product details).

What should I expect during installation and maintenance?

Installation is straightforward for anyone familiar with brake system work: mount the cylinder, reconnect brake lines and bleed the system to remove air. The part ships alone (no manual) so have basic tools, a bleed kit, and reference to a service manual or how-to guide for torque specs and bleeding procedure.

• Package contains one JAVIK Brake Master Cylinder; instruction manual not included.
• Recommended tools: basic hand tools, torque wrench, brake bleeder kit.
• Bleed brakes after installation to ensure solid pedal and proper hydraulic pressure.
• If unsure, have a trained technician install and verify braking performance.

What warranty or support does JAVIK provide?

JAVIK backs this master cylinder with a one-year warranty and offers 24-hour customer service for fitment and product concerns. Reach out through the seller platform if you encounter fit, finish or performance issues so they can assist quickly.

• 1-year limited warranty from JAVIK for manufacturing defects.
• 24-hour customer support—contact via your order page or seller messaging.
• Service options may include replacement or troubleshooting guidance.

Who is this for: This JAVIK Brake Master Cylinder is aimed at Polaris owners, mechanics and fleet managers who need a reliable, direct-fit replacement for worn or leaking master cylinders across RZR, Ranger, ACE, General and Brutus models. It suits DIYers with brake-bleeding experience and professional shops that want a cost-effective alternative matching OEM specifications.