Dorman OE Solutions Engine Coolant Reservoir for 2007-2011 Jeep Wrangler 603-834

Non-pressurized engine coolant reservoir for 2007-2011 Jeep Wrangler designed to replace cracked or leaking factory overflow tanks.

Built to meet the manufacturer's design intent for reliable service, this unit is engineered from quality materials to withstand underhood heat and engine vibration while matching the original part's fit and function.

Key Features

• Direct replacement for original equipment coolant reservoir
• Constructed from durable materials resistant to heat and vibration
• Non-pressurized design matches factory specifications
• Engineered to restore proper coolant system capacity
• Validated through testing for long-term reliability

Benefits

• Prevents coolant loss and potential engine overheating
• Restores accurate coolant level monitoring
• Eliminates leaks caused by cracked or brittle plastic
• Ensures a precise fit for straightforward installation
• Reduces the risk of repeat repairs with trusted construction
• Helps maintain optimal engine operating temperature

Application

Ideal for Jeep Wrangler owners experiencing coolant leaks, visible cracks in the overflow tank, or low coolant warnings due to a failing reservoir.

Fitment Notes

• Compatible with 2007-2011 Jeep Wrangler models
• Replaces Chrysler part numbers 55056542AE, 55056542AD, 55056542AB, 5174456AA, 55056542AC, and 55056382AA

Why Choose Dorman - OE Solutions?

• Dorman delivers proven aftermarket solutions backed by over 100 years of experience, focusing on direct-fit replacements that match OE form, fit, and function for dependable performance.

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• 18.4in x 8.4in x 7.3in, 1.8lbs