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COOLANT RESERVOIR 603-5201 Engine Coolant Tank
Replacement for 603-5201 / Freightliner Columbia – Heavy Duty Application
The Coolant Reservoir 603-5201 is designed for heavy-duty Freightliner trucks, providing a reliable expansion and storage system for engine coolant. This reservoir helps maintain proper coolant levels, prevents overheating, and ensures stable engine temperature under demanding operating conditions.
Product Details
- Part Number: 603-5201
- Type: Coolant Reservoir / Expansion Tank
- Application: Engine Cooling System
- Cross Reference: 603-5201, 05-23045-000, 05-23045-001, 05-20529-000
Key Benefits
- Maintains correct coolant level in the system
- Prevents engine overheating and thermal stress
- Designed for high-pressure cooling systems
- Durable construction for heavy-duty trucking applications
- Helps ensure stable engine temperature control
Function
- Stores excess coolant during thermal expansion
- Returns coolant to the system as temperature changes
- Maintains pressure balance in the cooling system
- Supports continuous engine cooling performance
High-Quality Construction
- Reinforced high-strength plastic tank
- Heat and vibration resistant design
- OEM-style fit and durability
- Includes pressure-rated cap (15 PSI)
Vehicle Fitment
Compatible with heavy-duty Freightliner applications:
- Freightliner Columbia
- Freightliner Century Class
- Freightliner Coronado
Fits Models
- Freightliner Columbia 112 / 120
- Freightliner Century Class
- Freightliner Coronado
Note: Fitment may vary depending on engine and configuration. Always verify part number before purchase.
Replaces / Cross Reference Numbers
- 603-5201
- 05-23045-000
- 05-23045-001
- 05-20529-000
Installation
- Direct replacement design
- Factory-style mounting points
- No modifications required
Package Includes
- 1 x Coolant Reservoir
- 1 x Pressure Cap
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