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🔥 Keep your engine cool with confidence – the reservoir pros trust!
The Dorman 603-383 Pressurized Coolant Reservoir is a direct OEM replacement designed for select Buick and Chevrolet models. Engineered with durable materials to withstand heat and vibration, it guarantees a perfect fit and reliable performance. Trusted by thousands and backed by a century of expertise, this reservoir ensures your vehicle’s cooling system stays efficient and worry-free.










| ASIN | B00NF1QZO6 |
| Best Sellers Rank | #21,072 in Automotive ( See Top 100 in Automotive ) #12 in Automotive Reservoirs |
| Brand | Dorman |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,874) |
| Date First Available | September 8, 2014 |
| Exterior | Machined |
| Item Weight | 1.09 pounds |
| Item model number | 603-383 |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 603-383 |
| Model | 603-383 |
| OEM Part Number | DAKG-15390; FRT1216C; 13256823; 13393368; 13465094; 13502353 |
| Position | Center |
| Product Dimensions | 8.7 x 6.52 x 8.3 inches |
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