

🚗 Keep your engine cool and your ride flawless — don’t let leaks slow you down!
The Dorman 603-383 Pressurized Coolant Reservoir is a direct-fit replacement part designed for select Buick and Chevrolet models. Manufactured with durable materials and upgraded metal fittings, it withstands engine heat and vibration while ensuring a perfect fit. Trusted by thousands with a 4.7-star rating, this reservoir offers a cost-effective, reliable solution to maintain optimal engine cooling and prevent overheating.





| ASIN | B00NF1QZO6 |
| Best Sellers Rank | #20,872 in Automotive ( See Top 100 in Automotive ) #10 in Automotive Reservoirs |
| Brand | Dorman |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,834) |
| 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 |
M**G
Perfect Replacement – Great Price
Five stars. My old coolant tank was yellowed, weathered, and leaking at the seam. I do Amazon Flex deliveries on a lot of rough, unpaved roads, so it finally gave out. I replaced it with this one and it fit perfectly. It’s the same tank they sell at AutoZone but for about half the price. Installed easily and works great. No more leaks. Very happy with it.
D**S
Perfect replacement part for my 2013 Chevrolet Cruze 1.8L and has upgraded metal insert fittings
Perfect replacement part for my 2013 Chevrolet Cruze 1.8L. I was having an overheating problem on a car I bought where the previous owner said the engine needed replaced because of a cracked head. Turns out, it was simply the radiator cap not holding pressure, allowing the coolant to boil over. This container and cap combo was only $3 more than the cap itself. It has upgraded metal inserts in the hose fittings making it stronger than the OE part. The fit was perfect. Very happy with the purchase. Fixed my engine completely!
R**3
Perfect fit
Exact fit for 2012 Chevrolet Cruze! Super easy install!
R**H
Better than stock
Reinforcing inside the nipple ends for hoses and a new cap well worth the money
J**E
Upgraded model and works great
Arrived quickly and is an upgrade compared to the original one that came in my 2014 Cruze
V**.
Worked good while it lasted
Product is great, worked good for my 2012 Chevy Cruze. My car did blow up recently though with an issue due to the coolant all escaping but it wasn't from the reservoir. So would recommend. Also was easy to install and fit how it should've.
A**R
Better than OEM
A much better design than the OEM. This one has steel inserts formed into the hose attachments.
M**T
2013 Cruze coolant tank
Fits well. Upgraded hose clamp area. Time will tell how it holds up but looks well built.
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