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The Dorman 603-973 Front Engine Coolant Reservoir is a direct replacement part designed to fit select Cadillac, Chevrolet, and GMC models. Engineered for durability and ease of installation, this reservoir is manufactured from high-quality materials to withstand the rigors of underhood heat and vibration. With over 100 years of automotive aftermarket experience, Dorman ensures that this product meets the highest standards of quality and reliability.
| Manufacturer | Dorman Products |
| Brand | Dorman |
| Model | 603-973 |
| Item Weight | 2.59 pounds |
| Product Dimensions | 14.23 x 8.7 x 12.25 inches |
| Country of Origin | Taiwan |
| Item model number | 603-973 |
| Exterior | Machined |
| Manufacturer Part Number | 603-973 |
| OEM Part Number | 13502354; 22856231; 84368362 |
| Hollander Number | 671-00359 |
R**.
Quality reservoir
Received item and appears to be factory item. Removed and installed with minimal issues and fitment was exactly like the old one. Ran for nearly half an hour with no apparent problems and no visible leaking. Dollar for dollar this is a good replacement item and it looks exactly like the old one too. Test will be in a few days to see if I need to add more coolant. Will update later. Pic is of the old one I replace. Leaking internally?? No visible damage but definitely leaking.
N**S
2016 Silverado
Got this to replace on my 2016 silverado. Perfect fit and no more leaks.
S**Z
buen producto
exelente
M**N
Perfect fit.
Arrived quick. Fit perfectly. Feels and looks well made. Installation was quick and easy. Was cheaper than Auto Zone. Save yourself some money and DIY. Only have to remove 1 nut, 1 bolt, and 3 hose clips. Done in less than 10 mins.
S**M
Yes!
Worked perfectly
J**R
Decent Product
Works and functions as it should. The holes at the bottom for the bolts did not line up like it should.
S**.
Common issue resolved.
Common issue and this fixed the leak I had on my 2014 Silverado LT v8 5.3.
J**R
Great quality
This fit perfectly in my truck and has held up great
Trustpilot
Hace 1 mes
Hace 3 semanas
