Dorman OE Solutions Engine Coolant Reservoir for 2010-2013 Dodge Ram 1500 603-778

Non-pressurized engine coolant reservoir for 2010-2013 Dodge Ram 1500 used to replace cracked or leaking factory overflow tanks.

Built to meet the manufacturer's design intent for reliable service, this unit is constructed from quality materials engineered 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 specific vehicle requirements
• Engineered to match OE form, fit, and function
• Replaces Chrysler part numbers 55057130AB, 55057130AD, 55111361AA, and 55057130AC

Benefits

• Restores proper coolant capacity to prevent engine overheating
• Eliminates leaks caused by cracked or damaged factory tanks
• Ensures a precise fit for faster and easier installation
• Reduces the risk of repeat repairs with trusted aftermarket quality
• Provides a cost-effective solution compared to dealer parts

Application

Ideal for Dodge Ram 1500 owners experiencing coolant loss, visible cracks in the overflow tank, or failed visual inspections during routine maintenance.

Fitment Notes

• Compatible with 2010-2013 Dodge Ram 1500 models
• Verify vehicle compatibility using part number 603-778 before purchase

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 standards for dependable performance and reduced repair risks.

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• 17.8in x 13.9in x 9.0in, 3.4lbs