The Dorman coolant reservoir 603-836 holds your engine's coolant reserve under pressure, giving coolant room to expand as it heats and a supply to draw back from as it cools. It is listed for several models, among them the 2007-2009 Dodge Sprinter 2500 3.0L, the 2007-2009 Dodge Sprinter 3500 3.0L and the 2010-2018 Mercedes-Benz Sprinter 2500 2.1L / 3.0L. Listed engines are L4-2.1L and V6-3.0L, depending on model and year. See the Buyer's Guide tab for the full list.
This Dorman engine coolant reservoir is a direct replacement. It is designed to install and work like the original part and engineered for a seamless installation.
Pressurized design: Comes with a twist cap that has a maximum pressure rating of 20 psi.
Durable plastic construction: This Dorman OE Solutions plastic coolant reservoir is made from quality materials to hold up to underhood heat and engine vibration.
Level sensor and brackets included: A level sensor and mounting brackets come with the reservoir. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether the originals may be reused.
Trustworthy design: Backed by Dorman's 100 years of automotive aftermarket experience.
A cracked or leaking reservoir can let coolant escape and the level drop. If the reservoir is the source of your coolant loss, this unit replaces it. Color: natural. Catalog position: front. Country of origin: Taiwan.
It holds the engine's coolant reserve under pressure. Coolant has room to expand as it heats and can be drawn back as it cools. Dorman 603-836 is a pressurized reservoir.
What comes in the box?
One coolant reservoir and one twist cap. A level sensor and mounting brackets are included; mounting hardware is not.
What is the pressure rating of the included cap?
The twist cap supplied with this reservoir has a maximum pressure rating of 20 psi.
Does it fit the 2007-2009 Dodge Sprinter 2500 3.0L?
Yes. It is listed for the 2007-2009 Dodge Sprinter 2500 3.0L and for the 2010-2018 Mercedes-Benz Sprinter 2500 2.1L / 3.0L. Check the Buyer's Guide tab to confirm your van.
What are signs a coolant reservoir may need replacing?
Visible cracks, coolant seeping from the reservoir, a level that keeps dropping, or overheating. Other cooling-system parts can cause these too, so diagnose the cause before replacing.
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit...
WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
