Crown Auto Rear Brake Caliper 13.8" Rotor (LEFT REAR)

2020–2024 Jeep Wrangler JL / Gladiator JT All Engines

Part #: 68376742AA

Overview

The Crown Auto Rear Brake Caliper with a 13.8" rotor for the left rear position is a direct replacement part designed specifically for Jeep Wrangler JL and Gladiator JT models from 2020 through 2024. This caliper is engineered to meet or exceed OEM specifications, ensuring reliable braking performance and safety. Ideal for Jeep owners looking to maintain or restore their vehicle’s braking system without the need for additional hardware, this caliper uses your existing caliper bracket and brake pads for a straightforward upgrade or repair.

Whether you’re tackling daily driving, off-road adventures, or heavy towing, this Crown Auto brake caliper delivers consistent stopping power and durability. It’s a practical solution for those who want to keep their Jeep’s braking system in top condition with a trusted aftermarket component backed by a 12-month warranty.

Key Features

This Crown Auto rear brake caliper offers a blend of quality, fitment accuracy, and ease of installation. Key features include:

• Direct replacement for left rear brake caliper on Jeep Wrangler JL and Gladiator JT (2020–2024)
• Compatible with all engine options including 2.0L Turbo, 3.6L V6, 6.4L 392, and 3.0L EcoDiesel variants
• Designed for use with existing caliper bracket and brake pads—no need to purchase additional hardware
• Equipped to fit 13.8" rear rotors for optimal braking performance
• Manufactured to meet or exceed OEM quality standards for durability and safety
• Corrosion-resistant finish to withstand harsh driving conditions and extend service life
• Backed by a 12-month warranty for peace of mind
• Precision engineering ensures proper fit and function for smooth brake operation

Construction & Design

The Crown Auto rear brake caliper is constructed from high-grade materials that provide strength and resistance to wear. Its robust design ensures consistent clamping force on the brake pads, delivering reliable stopping power under a variety of driving conditions. The caliper’s corrosion-resistant coating helps protect against rust and environmental damage, which is especially important for off-road and all-weather use typical of Jeep vehicles.

Engineered to OEM specifications, this caliper features precise machining and quality seals to prevent fluid leaks and maintain optimal hydraulic performance. The design facilitates heat dissipation during braking, reducing fade and maintaining consistent brake feel.

Installation & Fitment

This left rear brake caliper is a direct bolt-on replacement for 2020–2024 Jeep Wrangler JL and Gladiator JT models across all engine options, including 2.0L Turbo, 3.6L V6, 6.4L 392, and 3.0L EcoDiesel engines. Installation is straightforward using your vehicle’s existing caliper bracket and brake pads, eliminating the need for additional parts or modifications.

Professional installation is recommended to ensure proper brake system function and safety. Brake fluid bleeding and system inspection should be performed after installation to maintain optimal braking performance.

What's Included

• Left rear brake caliper (13.8" rotor compatible)

Ideal For

This Crown Auto rear brake caliper is ideal for Jeep Wrangler JL and Gladiator JT owners seeking a reliable, OEM-quality replacement part for their braking system. It suits those performing routine maintenance, repairing damaged or worn calipers, or restoring brake performance after off-road use. Its compatibility with multiple engine types makes it a versatile choice for a wide range of Jeep enthusiasts.

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.