






✅ Key Features
Part Type: Coolant Reservoir Expansion Tank
Direct replacement the plastic tank
100% aluminum, fully-welded construction for maximum durability during repeated temperature transitions
Sight glass allows for fast and easy assessment of coolant level
Installation Ease: easy to install
Color :Natural color, not polished.
✅ Vehicle Fitment
| Make | Model | Submodel | Year | Engine | Fuel | Body Style |
| Freightliner | Century Class | C112 | 2001 | All | DIESEL | Truck |
| Freightliner | Century Class | C120 | 2001 | All | DIESEL | Truck |
| Freightliner | Century Class | CST112 | 2001-2005 | All | DIESEL | Truck |
| Freightliner | Century Class | CST120 | 2001-2007 | All | DIESEL | Truck |
| Freightliner | Columbia | 120 | 2001-2007 | All | DIESEL | Truck |
| Freightliner | Columbia | 112 | 2003-2007 | All | DIESEL | Truck |
We offer a wide range of all aluminum cooling solutions for trucks, classics, motorcyles, forklifts, powersports and more. We pride ourselves with quality products and excellent customer service. All products are TIG welded using aircraft grade aluminum, and tested rigorously before manufacturing. We trust our products.
If you have any item quality problems pls leaving a message within 48 hours with the pictures of problem details.
Once we all agree to return or exchange the item, pls make sure that the item in good condition as the original package.
Our goal is to receive your 5-STAR positive feedback. If you had any problems with this transaction, pls give us an opportunity to MAKE IT RIGHT , thanks a lot !
| Brand | Unbranded |
|---|---|
| Type | Coolant Overflow Reservoir |
| Features | 100% Leak Tested, Durability Tested |
| Manufacturer Part Number | Does not apply |
| OE/OEM Part Number | Does not apply, 05-23045-000 |
| Items Included | Cap, Sight glass |
| Material | Aluminum |
| Performance Part | Yes |
| Interchange Part Number | 603-5201, 05-23045-000, 05-23045-001, 05-20529-000 |
| Color | Natural color, not polished. |
