Crown Auto Brake Master Cylinder

2008–2017 Jeep Wrangler All, 2012–2017 Jeep Wrangler 3.6L V6, 2008–2011 Jeep Wrangler 3.8L V6

Part #: 68048757AA

Overview

The Crown Auto Brake Master Cylinder is a direct replacement part designed specifically for Jeep Wrangler models from 2008 to 2017, including all trims and engine variants such as the 3.6L V6 (2012–2017) and 3.8L V6 (2008–2011). This master cylinder is engineered to restore optimal braking performance by ensuring proper hydraulic pressure within the brake system. It is an ideal solution for Jeep owners seeking a reliable, OEM-quality replacement without the need to replace the reservoir, as this unit is supplied without one.

Built to meet or exceed original equipment specifications, this master cylinder offers dependable stopping power and long-lasting durability. It is perfect for those performing brake system repairs or upgrades who want a hassle-free installation using existing hardware.

Key Features

Designed with precision and quality in mind, the Crown Auto Brake Master Cylinder delivers consistent performance and reliability. Key features include:

• Direct replacement for factory master cylinder, ensuring perfect fit and function
• Compatible with 2008–2017 Jeep Wrangler models, including 3.6L and 3.8L V6 engines
• Reservoir not included; designed to use your existing brake fluid reservoir
• Manufactured to meet or exceed OEM standards for durability and performance
• Utilizes existing mounting hardware for straightforward installation
• Restores proper hydraulic pressure for improved brake responsiveness
• Corrosion-resistant internal components for extended service life
• Backed by a 12-month warranty for peace of mind

Construction & Design

The Crown Auto Brake Master Cylinder is constructed from high-quality materials engineered to withstand the demanding conditions of daily driving and off-road use. The cylinder body is crafted from durable metal alloys that resist corrosion and wear, ensuring long-term reliability. Precision machining and tight tolerances guarantee smooth piston operation and consistent hydraulic pressure delivery.

Its design integrates seamlessly with the Jeep Wrangler’s brake system, maintaining factory specifications for fluid flow and pressure. The absence of the reservoir allows for easy reuse of the existing reservoir, reducing replacement costs and simplifying maintenance.

Installation & Fitment

Installation is straightforward and designed to be a direct swap with the original master cylinder. This part fits all 2008–2017 Jeep Wrangler models, including the 3.6L V6 engines from 2012 to 2017 and the 3.8L V6 engines from 2008 to 2011. No modifications or special tools are required, and the unit uses your existing mounting hardware and brake fluid reservoir.

Professional installation is recommended to ensure proper brake system bleeding and safety compliance. This master cylinder is an excellent choice for mechanics and DIY enthusiasts aiming to restore brake system integrity quickly and efficiently.

What's Included

• Brake master cylinder (reservoir not included)
• 12-month warranty documentation

Ideal For

This Crown Auto Brake Master Cylinder is ideal for Jeep Wrangler owners and automotive technicians who need a reliable, OEM-quality replacement part for brake system repairs. It suits those maintaining or restoring 2008–2017 Jeep Wranglers, particularly models equipped with 3.6L or 3.8L V6 engines. Whether addressing brake fluid leaks, pressure loss, or general wear, this master cylinder provides a cost-effective and durable solution.

With over 10,000 different part numbers in stock for Jeep® vehicles from 1942 on up, Crown has the largest stock of replacement parts for Jeep® vehicles, including factory-discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission and transfer case components. Crown Automotive also offers an exclusive line of component kits and accessory products.