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🚗 Keep your engine cool with confidence — the pro’s choice for universal coolant reservoirs!
The Dorman 603-001 Coolant Reservoir Bottle is a universal-fit, durable coolant recovery tank crafted from heat-resistant plastic. Designed with three mounting holes for versatile installation, it features a vented cap to maintain optimal system pressure. Backed by Dorman’s 100 years of automotive aftermarket expertise, this reservoir is trusted by professionals and engineered to withstand harsh underhood conditions, making it an essential upgrade for reliable vehicle cooling.










| ASIN | B000E35UV2 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 63,222 in Automotive ( See Top 100 in Automotive ) 16 in Automotive Coolant Recovery Kits |
| Brand | Dorman |
| Brand Name | Dorman |
| Compatible with Vehicle Type | Universal |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 2,400 Reviews |
| Exterior Finish | Machined |
| Exterior finish | Machined |
| Fit Type | Vehicle Specific |
| Fuel Type | Petrol |
| Global Trade Identification Number | 00019495081272 |
| Included Components | Dorman 603-001: Universal Reservoir |
| Item Dimensions | 19.1 x 10.8 x 21 centimetres |
| Item Part Number | 603-001 |
| Item Type Name | Dorman 603-001: Universal Reservoir |
| Item Weight | 272 g |
| Item dimensions L x W x H | 19.1 x 10.8 x 21 centimetres |
| Item weight | 272 g |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 603-001 |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | 603-001 |
| OEM Equivalent Part Number | 0 |
| Product Grade | like new |
| UPC | 019495081272 |
| Unit Count | 1.0 count |
| Vehicle service type | Universal |
C**R
Great quality
Great product, quality,
D**R
Good product
Central heating
C**O
Legit
as advertise
B**Z
Excelente calidad
buen bote de recuperador
J**S
Worked great and cheaper than Autozone
Worked great. Installed in my 59 Ford Fairlane with an aftermarket radiator
R**K
Ausgleichsbehälter
Hat perfekt gepasst
A**.
Solid tank, not thin walled like some are.
Bought this as a replacement tank for a commercial mower. I wasn't about to spend $66.00 at the dealer for a plastic tank. Was not a direct fit, but I made it work with two new drilled holes and some self tap screws. Works like a charm. The hose hookup is on the bottom, I blocked it off and drilled a hole on top so I could us the old hose setup. It does the job.
Trustpilot
3 days ago
3 weeks ago