Dorman HD Solutions Heavy Duty Pressurized Coolant Reservoir for 1990-2000 Volvo Trucks 603-5510

Heavy duty pressurized coolant reservoir for 1990 to 2000 Volvo WC WG WH WI and WX trucks used to replace cracked or leaking factory 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 constant engine vibration.

Key Features

• Direct replacement for original equipment coolant reservoirs
• Constructed from durable materials resistant to thermal stress
• Designed to handle heavy duty pressurized cooling systems
• Engineered to match OE form, fit, and function
• Validated through testing for long-term reliability

Benefits

• Restores proper coolant capacity and system pressure
• Prevents overheating caused by cracked or failing tanks
• Reduces the risk of repeat repairs with robust construction
• Ensures a smooth installation with direct-fit design
• Extends cooling system life under demanding conditions

Application

Ideal for fleet managers and owner-operators maintaining Volvo heavy duty trucks who need a trustworthy fix for broken or degraded coolant expansion tanks.

Fitment Notes

• Fits 1990-1994 Volvo WC models
• Fits 1996-2000 Volvo WG models
• Fits 1990-1994 Volvo WH models
• Fits 1990-1998 Volvo WI models
• Fits 1990-1994 Volvo WX models
• Replaces Volvo part numbers 212073201, 212013201, 3966106, 212013202, 3966107, and 212073202

Why Choose Dorman - HD Solutions?

• Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function
• Built with quality materials and validated through testing to stand up to daily driving demands
• Backed by over 100 years of automotive aftermarket experience
• Focus on fit, durability, and dependable performance helps ensure a smoother installation

What's in the Box

• 1 Coolant Reservoir

Item Dimensions

• Length: 20.7 inches
• Width: 13.1 inches
• Height: 8.6 inches
• Weight: 5.2 lbs