The Dorman 603-5211 Front Engine Coolant Reservoir is a direct OE-style replacement designed to restore proper cooling system function on select Sterling truck models. Manufactured with premium materials for durability and tested for fit and performance, this tank ensures reliable coolant storage and circulation under all driving conditions.

Key Features:

• Brand: Dorman

• Part Number: 603-5211

• Location: Front engine compartment

• Material: High-grade plastic construction for crack and leak resistance

• Includes: Reservoir cap and sensor (if applicable)

• Color: White translucent plastic for visible fluid level monitoring

• Fitment:

  • Compatible with select Sterling A9500, L8500, L9500, and LT9500 series trucks

  • Check compatibility using OEM part number or vehicle application tool

  • OEM part number     575.10112; 24224219; A0523573000

Benefits:

• Engineered for long-term performance in heavy-duty diesel applications

• Seamless fit – no modifications required

• Helps maintain proper coolant levels and prevent overheating

• Built to meet or exceed OEM standards

OE Cross-Reference:

• Replaces OEM part #: F6HT-8A080-AB (verify for exact match)

Installation Note:
Professional installation is recommended. Be sure to check hose routing and connection seals during installation to prevent future leaks.