1912301 Rear Brake Master Cylinder for Polaris Sportsman 400 450 500 570 800

Product Overview

This aftermarket replacement rear brake master cylinder is intended for the listed Polaris Sportsman 400, 450, 500, 570, and 800 applications and references part number 1912301. A brake master cylinder converts lever or pedal input into hydraulic pressure that operates the rear brake system. It is used when servicing or replacing the corresponding rear brake master cylinder on the listed models.

Key Features & Performance

• Functions as the rear brake master cylinder within the machine braking system
• Converts applied brake input into hydraulic pressure for the rear brake circuit
• References part number 1912301 for identification and comparison
• Supplied for the listed Polaris Sportsman 400, 450, 500, 570, and 800 applications
• Used when servicing or replacing a worn or malfunctioning rear brake master cylinder

Fitment & Compatibility

• for Polaris Sportsman 400 applications
• for Polaris Sportsman 450 applications
• for Polaris Sportsman 500 applications
• for Polaris Sportsman 570 applications
• for Polaris Sportsman 800 applications

Common Uses

• Replacing a worn, leaking, damaged, or malfunctioning rear brake master cylinder
• Servicing the rear brake hydraulic system during routine maintenance
• Restoring normal rear brake function after the original component has failed

Technical Specifications

• Product Type: Rear Brake Master Cylinder
• Part Number(s): 1912301
• Model Application(s): Polaris Sportsman 400, 450, 500, 570, 800

Frequently Asked Questions

Q: What does a rear brake master cylinder do? A: A rear brake master cylinder converts lever or pedal input into hydraulic pressure that operates the rear brake system.

Q: How should fitment be verified? A: Compare the complete existing part number and the complete equipment model designation against part number 1912301 and the listed Polaris Sportsman models before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.