Dorman OE Solutions Engine Coolant Reservoir for 2000-2005 Mazda MPV 603-598

Pressurized coolant reservoir for 2000-2005 Mazda MPV used 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
• Engineered to match OE form, fit, and function
• Includes cap and sensor port where applicable by design
• Backed by Dorman's 100 years of automotive aftermarket experience

Benefits

• Restores proper coolant capacity and system pressure
• Prevents overheating caused by leaks or cracks in the old tank
• Ensures a smooth installation with no modifications required
• Reduces the risk of repeat repairs with dependable construction
• Helps maintain optimal engine operating temperature

Application

Ideal for Mazda MPV owners experiencing coolant loss, visible cracks in the plastic tank, or failed visual inspections during routine maintenance.

Fitment Notes

• Compatible with 2000-2005 Mazda MPV models
• Replaces Mazda part numbers KL0115205, GY0115350F, GY0115350B, GY0115350D, GY0115350A, GY0115350C, GY0115350E, and GY0115350

Why Choose Dorman - OE Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function for a smoother installation and reliable results.

What's in the Box

• 1 Engine Coolant Reservoir

Item Dimensions

• 9.6in x 8.1in x 8.3in, 2.1lbs