Harddrive Master Cylinder Rebuild Kit - 1/2" Dual 07-UP XL — Harley-Davidson Sportster 1200 Custom, Super Low, Iron 883 (2007-2018)

Harddrive master cylinder rebuild kit for V-twin motorcycles, containing seals and internal components to restore OEM and aftermarket front master cylinders to proper operation. Direct replacement for Harley-Davidson and Indian Motorcycle hydraulic brake systems.

Features

• Complete rebuild seal kit
• Fits OEM and aftermarket front master cylinders
• 1/2" bore size

Specifications

• Brand: Harddrive
• Manufacturer Part #: 87898
• UPC: 191361130458
• Weight: 0.09 lbs
• Country of Origin: China (Mainland)

Fitment

Fits V-twin motorcycles with 1/2" front master cylinders, including Harley-Davidson Sportster XL models 2007 and newer.

Frequently Asked Questions

What's included in this rebuild kit?

Seals, cups, and internal springs needed to rebuild a front master cylinder to OEM specification.

Do I need any special tools to install this?

You'll need a master cylinder rebuild tool or bench vise to disassemble and reassemble the cylinder. Some riders prefer professional installation.

Will this work on both OEM and aftermarket master cylinders?

Yes — this kit is compatible with both original equipment and aftermarket front master cylinders in the 1/2" bore size.

Does this fix a leaking master cylinder?

Yes. A rebuild kit replaces worn seals that cause internal or external leaks, restoring the cylinder to proper function.