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Dorman 603-386 Engine Coolant Reservoir - Front
| Brand | Dorman 603-386 |
|---|---|
| Position | Front |
| Cap Included | Yes |
| Cap Maximum Pressure Rating | 20 |
| Cap Type | Spring Loaded Twist |
| Capacity | 900 ML |
| Color | Black and Clear |
| Height | 5.5 |
| Length | 12 |
| Level Sensor Included | No |
| Material | Plastic |
| Mounting Brackets Included | Yes |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Package Contents | 1 Coolant Reservoir; 1 Cap |
| Pressurized | Yes |
| Shape | Irregular |
| Fits | Chevrolet · 22 vehicles |
OE direct replacement. Matches the fit and function of the original coolant reservoir.
Quality materials. Built to withstand underhood heat and engine vibration.
Pressurized design. Includes a spring-loaded twist cap rated to 20 psi.
Cross-references 13502353 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Engine Coolant Reservoir for Sonic
This Dorman engine coolant reservoir is a direct replacement for select Chevrolet Sonic applications. Built from plastic with a black and clear finish, it is engineered to match the original fit and function while handling underhood heat and engine vibration.
- Direct replacement coolant reservoir for select Chevrolet Sonic models
- Plastic construction for everyday cooling system service
- Black and clear tank design for fluid visibility
- Pressurized design with spring-loaded twist cap
- Cap maximum pressure rating: 20
- Mounting brackets included for proper installation support
- Cap included; level sensor not included
- Capacity: 900 ML
Fitment Details
Compatible With 2012-2019 Chevrolet Sonic, front. Also fits 2020 Chevrolet Sonic, N/A. This Dorman 603-386 coolant reservoir is a fitment-based replacement for Sonic cooling system service, and the 603-386 part number is commonly searched for these applications.
This part cross-references GM OE 13502353 for the same application.
What It Helps Address
- Cracked or leaking coolant reservoir tanks
- Loss of coolant from heat-related plastic wear
- Damaged reservoir mounting points or brackets
- Faulty reservoir cap sealing concerns
- Visible coolant level inspection issues from a cloudy or damaged tank
Installation Notes
Verify reservoir shape, mounting points, cap style, and hose connections against the original part before installation. Transfer any vehicle-specific hoses or sensors from the original setup if required, since a level sensor is not included. Confirm the cooling system is properly filled and bled after installation to maintain correct operating pressure.
Quality Assurance
Dorman manufactures this replacement coolant reservoir from quality materials and builds it to match original fit and function. The 603-386 is designed for dependable service in the Chevrolet Sonic cooling system, with the 603-386 part number providing an easy reference during parts lookup.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Chevrolet | Sonic | 1.4L | L4 | N/A | — |
| 2019 | Chevrolet | Sonic | 1.4L | L4 | Front | — |
| 2018 | Chevrolet | Sonic | 1.8L | L4 | Front | — |
| 2018 | Chevrolet | Sonic | 1.4L | L4 | Front | — |
| 2017 | Chevrolet | Sonic | 1.6L | L4 | Front | — |
| 2017 | Chevrolet | Sonic | 1.8L | L4 | Front | — |
| 2017 | Chevrolet | Sonic | 1.4L | L4 | Front | — |
| 2016 | Chevrolet | Sonic | 1.6L | L4 | Front | — |
| 2016 | Chevrolet | Sonic | 1.8L | L4 | Front | — |
| 2016 | Chevrolet | Sonic | 1.4L | L4 | Front | — |
| 2015 | Chevrolet | Sonic | 1.6L | L4 | Front | — |
| 2015 | Chevrolet | Sonic | 1.8L | L4 | Front | — |
| 2015 | Chevrolet | Sonic | 1.4L | L4 | Front | — |
| 2014 | Chevrolet | Sonic | 1.6L | L4 | Front | — |
| 2014 | Chevrolet | Sonic | 1.8L | L4 | Front | — |
| 2014 | Chevrolet | Sonic | 1.4L | L4 | Front | — |
| 2013 | Chevrolet | Sonic | 1.6L | L4 | Front | — |
| 2013 | Chevrolet | Sonic | 1.8L | L4 | Front | — |
| 2013 | Chevrolet | Sonic | 1.4L | L4 | Front | — |
| 2012 | Chevrolet | Sonic | 1.8L | L4 | Front | — |
| 2012 | Chevrolet | Sonic | 1.4L | L4 | Front | — |
| 2012 | Chevrolet | Sonic | 1.6L | L4 | Front | — |
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