








🚀 Upgrade your Ram’s cooling game — don’t let overheating slow your hustle!
The TRQ Radiator Coolant Reservoir Expansion Tank is a direct-fit replacement designed for 2013-2018 Ram 2500, 3500, 4500, and 5500 trucks. Featuring a 21 PSI pressure rating, integrated level sensor, and included cap, this durable plastic tank ensures reliable coolant management. Backed by a 2-year/24,000-mile warranty, it offers professional-grade performance and peace of mind for demanding drivers.





| Manufacturer | TRQ |
| Brand | TRQ |
| Model | TRQ ECA56421 Coolant Reservoir |
| Package Dimensions | 45.72 x 33.02 x 27.94 cm; 2.06 kg |
| Item model number | ECA56421 |
| Exterior | Machined |
| Manufacturer part number | ECA56421 |
| Item Weight | 2.06 kg |
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