JAVIK Left Front Brake Master Cylinder for Polaris ATVs — 3/4" Bore, 19mm Piston, Left-Side Fit

JAVIK's Left Front Brake Master Cylinder is a direct-fit replacement designed to restore reliable front braking on compatible Polaris ATVs.

This left-side front brake master cylinder replaces OEM number 2010238 (interchangeable with 2010196, 2010233, 1910684, 2050078, 2050072) and fits a wide range of Polaris models including Sportsman, Scrambler, Magnum, Trail Blazer, Xpedition, Xplorer, ATP, Forest and other ATV series listed by year. Built to match the original dimensions—3/4 bore, 19mm piston, 10x1mm banjo bolt and sized for 7/8" handlebars—it arrives as a single front master cylinder ready for installation. The part is offered without a manual but is intended for straightforward swap-in replacement by anyone familiar with basic ATV brake maintenance.

Which Polaris models will this master cylinder fit?

This JAVIK unit covers many Polaris ATVs produced across the late 1990s through the 2010s. It supports Sportsman models (335, 400, 450, 500, 600, 700, 800 variations), Scrambler 500, Magnum 325/330/500, Trail Blazer 250/330/400, Xpedition 325/425, Xplorer series, ATP 330/500, and several utility/forestry platforms.

• Confirmed OEM reference: 2010238 and listed replacement numbers.
• Fitment spans model years from mid-1990s up to 2015 for specific lines.
• Supports both recreational and utility Polaris ATV variants.

How does the part match original specifications?

JAVIK engineered this master cylinder to mirror factory dimensions so brake lever feel and hydraulic function remain consistent. Key measurements match common Polaris front brake masters to ensure hose, banjo bolt, and lever compatibility.

• 3/4" bore with a 19 mm piston for expected hydraulic travel.
• Banjo bolt thread: 10x1 mm to align with standard brake lines.
• Designed for 7/8" handlebars and direct mounting points on left-side assemblies.

What should I expect during installation and maintenance?

Installation is straightforward for anyone with basic ATV service experience; the unit ships as a single left front master cylinder and requires common hand tools. After mounting, bleed the brake circuit to remove air and verify lever firmness before riding.

• Does not include a printed instruction manual—follow Polaris service procedures.
• Plan to bench-bleed or vehicle-bleed to ensure correct hydraulic pressure.
• Inspect hoses and banjo bolt crush washers during installation and replace if worn.

What kind of support and warranty does JAVIK provide?

JAVIK offers customer service support and a limited warranty to address post-sale concerns or fitment questions. Contact the seller for troubleshooting or replacement requests within the warranty period.

• 24-hour customer service access for part questions or compatibility checks.
• One-year warranty against manufacturing defects under normal use.
• Customer support recommended if unsure about fitment before installation.

Who is this for: This replacement master cylinder is intended for Polaris ATV owners, mechanics, and service shops looking to repair or refresh the left front braking system on compatible Sportsman, Scrambler, Magnum, Trail Blazer, Xpedition, Xplorer, ATP and other listed models. Choose this part if you need an OEM-referenced swap that matches original bore, piston, and banjo specifications and you’re comfortable performing a brake bleed and basic reassembly.