Hold coolant and keep your cooling system properly sealed and pressurized with the Dorman - OE Solutions Engine Coolant Reservoir 603-377. It drops in as a direct-fit replacement for the 2010-2011 Saab 9-5 equipped with the V6-2.8L engine, engineered to install like the original part on the listed application.
- Pressurized design: a pressurized reservoir with a spring-loaded twist cap rated to a maximum of 20 PSI.
- Durable construction: molded from quality plastic to stand up to underhood heat and engine vibration.
- Included components: ships with the cap and mounting brackets; mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused.
- Mounting: two mounting holes; finished in black.
The reservoir stores coolant and allows for expansion and contraction as the system heats and cools. If a cracked, leaking, or brittle original reservoir is the cause of coolant loss, this replaces it. Country of origin: Taiwan.
Interchange: Manufacturer part number 603-377.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this coolant reservoir fit?
It is a direct-fit replacement for the 2010-2011 Saab 9-5 with the V6-2.8L engine. Check the Buyer's Guide tab to confirm fitment for your vehicle.
Does it include a cap?
Yes. It includes a spring-loaded twist cap rated to a maximum of 20 PSI, plus mounting brackets. Mounting hardware is not included.
Is this a pressurized reservoir?
Yes, it is a pressurized coolant reservoir designed to work with its included spring-loaded twist cap.
What is the reservoir made of?
It is molded from quality plastic and finished in black to withstand underhood heat and engine vibration.
What are signs this reservoir may need replacing?
Cracks, seepage, or coolant loss around the reservoir can be signs it may need replacing. Diagnose the cause of any coolant loss before replacing parts.
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