Crown Auto Transmission Cooler Supply & Return Hose Set

2007–2011 Jeep Wrangler JK 3.8L V6

Part #: 55056624AD

Overview

The Crown Auto Transmission Cooler Supply & Return Hose Set is a direct replacement solution designed specifically for the Jeep Wrangler JK models equipped with the 3.8L V6 engine and the 42RLE transmission from 2007 to 2011. This hose set plays a critical role in maintaining optimal transmission temperatures by efficiently circulating transmission fluid between the transmission and the cooler. Proper cooling helps prevent overheating, reduces wear, and extends the life of your transmission system.

Ideal for Jeep owners looking to restore or maintain their vehicle’s transmission cooling system, this hose set ensures reliable performance and peace of mind. Backed by a 12-month warranty, it offers durability and quality you can trust for everyday driving or off-road adventures.

Key Features

Engineered to meet or exceed OEM specifications, the Crown Auto hose set delivers dependable performance and fitment. Key features include:

• Direct replacement for factory supply and return transmission cooler hoses
• Designed specifically for 2007–2011 Jeep Wrangler JK with 3.8L V6 and 42RLE transmission
• High-quality materials resistant to heat, pressure, and transmission fluid degradation
• Precision molded ends for secure, leak-free connections
• Improves transmission cooling efficiency to help prevent overheating
• Durable construction ensures long service life under demanding conditions
• Easy to install with no modifications required
• Includes both supply and return hoses for a complete cooling circuit replacement
• 12-month warranty for added confidence and reliability

Construction & Design

The Crown Auto transmission cooler hose set is crafted from premium-grade rubber compounds designed to withstand the high temperatures and pressures typical of transmission cooling systems. Reinforced with durable internal layers, these hoses resist cracking, swelling, and deterioration caused by exposure to transmission fluid and environmental elements. The molded fittings ensure a precise fit to the transmission and cooler ports, minimizing the risk of leaks and fluid loss. This robust construction guarantees consistent fluid flow and optimal cooling performance over time.

Installation & Fitment

This hose set is engineered for a direct bolt-on replacement, matching the exact specifications of the original equipment for the 2007–2011 Jeep Wrangler JK 3.8L V6 with 42RLE transmission. Installation is straightforward and typically requires no special tools or modifications. Simply remove the old hoses and install the new supply and return hoses, ensuring all clamps and connections are securely tightened to prevent leaks. This ease of installation makes it an excellent choice for both professional mechanics and knowledgeable DIY enthusiasts.

What's Included

• One supply hose for transmission cooler fluid
• One return hose for transmission cooler fluid
• Fittings molded to OEM specifications
• Installation instructions (where applicable)

Ideal For

This hose set is ideal for Jeep Wrangler JK owners who need to replace worn, cracked, or leaking transmission cooler hoses to maintain proper transmission temperature control. It is well suited for those performing routine maintenance, restoring a vehicle to factory condition, or upgrading the cooling system for enhanced reliability during towing, off-roading, or heavy-duty use. The Crown Auto hose set offers a cost-effective, reliable solution to keep your transmission running smoothly and extend its service life.

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.