

🚗 Upgrade your ride with confidence—cool smarter, drive cooler!
The Dorman 603-141 Pressurized Coolant Reservoir is a high-quality, direct replacement part designed specifically for select Cadillac SRX (2004-2006) and STS (2005-2006) models. Manufactured to withstand intense engine heat and vibration, it ensures reliable coolant containment and system performance. With precise OEM fitment and easy installation, this reservoir is backed by a century of Dorman’s trusted automotive aftermarket experience.





| Item Weight | 2.5 Pounds |
| Product Grade | Replacement Part |
| Fit Type | Vehicle Specific |
| OEM Part Number | FRT1229C; 15075118; 25767641 |
| Global Trade Identification Number | 00019495453352 |
| UPC | 019495453352 |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer | Dorman Products |
| Model | Dorman 603-141: Pressurized Coolant Reservoir |
| Item Weight | 2.5 pounds |
| Product Dimensions | 12 x 11.25 x 9.5 inches |
| Item model number | 603-141 |
| Manufacturer Part Number | 603-141 |
| Hollander Number | 671-104 |
Trustpilot
2 weeks ago
1 week ago
4 days ago
1 month ago