Crown Auto Transmission Cooler Jumper Line Set

2012–2018 Jeep Wrangler JK 3.0L/3.6L V6

Part #: 68143893AA

Overview

The Crown Auto Transmission Cooler Jumper Line Set is a direct replacement solution designed specifically for Jeep Wrangler JK models equipped with the W5A580 transmission. Compatible with 2012 through 2017 Jeep Wrangler 3.6L V6 engines and the 2018 Jeep Wrangler JK 3.6L V6, this jumper line set connects the transmission mounts to the side of the transmission cooler using a reliable O-ring block style connection. It features quick disconnect style fittings at the transmission lines for ease of installation and maintenance.

This product is ideal for Jeep owners seeking a durable, OEM-quality replacement part that ensures proper transmission cooling and fluid flow. It helps maintain optimal transmission temperatures, which is critical for preserving transmission performance and longevity, especially under demanding driving conditions.

Key Features

Engineered for seamless integration and reliable operation, the Crown Auto Transmission Cooler Jumper Line Set offers the following key features:

• Direct replacement for factory transmission cooler jumper lines on Jeep Wrangler JK with W5A580 transmission
• Compatible with 2012–2017 Jeep Wrangler 3.6L V6 and 2018 Jeep Wrangler JK 3.6L V6 engines
• O-ring block style connection at the transmission cooler for secure sealing and leak prevention
• Quick disconnect style fittings at transmission lines for fast, tool-free removal and installation
• Durable construction designed to withstand high transmission fluid temperatures and pressures
• Ensures proper transmission fluid circulation to maintain optimal operating temperatures
• OEM-quality materials and manufacturing standards for reliable, long-lasting performance
• Helps protect transmission components by preventing overheating and fluid degradation

Construction & Design

The jumper line set is crafted from high-quality materials engineered to resist heat, pressure, and wear commonly encountered in transmission cooling systems. The O-ring block style connection provides a tight, leak-resistant seal, while the quick disconnect fittings allow for convenient servicing without compromising system integrity. Crown Auto’s precision manufacturing ensures that each line meets or exceeds OEM specifications, delivering a perfect fit and reliable performance.

Designed specifically for the W5A580 transmission configuration found in Jeep Wrangler JK models, the lines are shaped and sized to match factory routing, minimizing installation complexity and ensuring consistent fluid flow.

Installation & Fitment

Installation of the Crown Auto Transmission Cooler Jumper Line Set is straightforward and requires no modifications to the vehicle. The quick disconnect fittings simplify removal of the old lines and attachment of the new set, reducing labor time. This product fits 2012 through 2017 Jeep Wrangler JK models with the 3.6L V6 engine, as well as the 2018 Jeep Wrangler JK 3.6L V6, all equipped with the W5A580 transmission.

Professional installation is recommended to ensure proper sealing and to avoid potential leaks. The direct replacement design guarantees compatibility with factory transmission cooler mounts and lines.

What's Included

• One Crown Auto Transmission Cooler Jumper Line Set
• O-ring seals pre-installed for secure connections
• Quick disconnect fittings attached for easy installation
• Installation instructions (where applicable)

Ideal For

This transmission cooler jumper line set is ideal for Jeep Wrangler JK owners who need a reliable replacement part to maintain or restore their vehicle’s transmission cooling system. It suits those performing routine maintenance, repairing leaks, or upgrading worn components to ensure their transmission operates efficiently and reliably. Off-road enthusiasts and daily drivers alike will benefit from the enhanced durability and OEM fitment of this product.

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.