Dorman 603-880 Engine Coolant Reservoir - Front
Engine Coolant Reservoir for BMW Front Applications
Dorman 603-880 is a replacement engine coolant reservoir built for front-position BMW applications. It is made from plastic and engineered to match the fit and function of the original reservoir, with a twist cap, integrated level sensor, pressurized design, and included mounting bracket and cap.
Key Features
- Replacement engine coolant reservoir for BMW cooling system service
- Plastic construction for underhood heat and vibration resistance
- Pressurized design with a 20.3 maximum pressure rating
- Twist-style cap included
- Level sensor included
- Mounting bracket included; mounting hardware not included
- Black and white reservoir design
- 1.8 L capacity
- Dorman 603-880 replacement part number for direct lookup
Detailed Description
This Dorman coolant reservoir is engineered as a direct replacement for the original expansion tank used on select BMW models. The circular plastic tank is built to handle heat cycling and engine vibration in the engine bay while maintaining the correct coolant storage and pressure characteristics. Dorman 603-880 is a practical choice for BMW 320i, 328i, 428i, 520i, 120i, 220i, 228i, and related front-mounted cooling system applications.
Cross-reference part numbers include Nissens 996262 and URO 17137642158 for the same application.
What It Helps Fix
- Cracked or brittle coolant reservoir housing
- Coolant leaks from the expansion tank
- Faulty reservoir level sensor warnings
- Pressure loss in the cooling system
- Fitment issues after replacing a damaged OE tank
Installation Notes and Tips
Verify the vehicle’s front-position reservoir layout before ordering. This part includes the cap, level sensor, and mounting bracket, but mounting hardware is not included. Confirm hose routing, sensor connection, and bracket alignment during installation to ensure proper sealing and system operation. Dorman 603-880 is listed for 2011-2019 BMW front applications, including 2012-2018 BMW 320i, 2012-2016 BMW 328i, and 2014-2016 BMW 428i.
- Fits 2016-2019 BMW 120i, front
- Fits 2014-2019 BMW 220i, front
- Fits 2016-2019 BMW 420i, front
- Fits 2018-2019 BMW 420i Gran Coupe, front
- Fits 2016 BMW 420i Gran Coupe, front
- Fits 2018-2019 BMW 520i, front
- Fits 2014-2016 BMW 520i, front
- Fits 2012-2018 BMW 320i, front
- Fits 2013-2018 BMW 320i xDrive, front
- Fits 2014-2016 BMW 228i, front
- Fits 2015-2016 BMW 228i xDrive, front
- Fits 2012-2016 BMW 328i, front
- Fits 2014-2016 BMW 328i GT xDrive, front
- Fits 2013-2016 BMW 328i xDrive, front
- Fits 2014-2016 BMW 428i, front
- Fits 2015-2016 BMW 428i Gran Coupe, front
- Fits 2014-2016 BMW 428i xDrive, front
- Fits 2015-2016 BMW 428i xDrive Gran Coupe, front
- Fits 2012-2015 BMW 118i, front
- Fits 2011-2012 BMW 125i, front
Quality Assurance
This replacement reservoir is manufactured from quality materials and built to match the original part’s fit and function for BMW cooling system service.
Dorman 603-880 Engine Coolant Reservoir - Front
Engine Coolant Reservoir for BMW Front Applications
Dorman 603-880 is a replacement engine coolant reservoir built for front-position BMW applications. It is made from plastic and engineered to match the fit and function of the original reservoir, with a twist cap, integrated level sensor, pressurized design, and included mounting bracket and cap.
Key Features
- Replacement engine coolant reservoir for BMW cooling system service
- Plastic construction for underhood heat and vibration resistance
- Pressurized design with a 20.3 maximum pressure rating
- Twist-style cap included
- Level sensor included
- Mounting bracket included; mounting hardware not included
- Black and white reservoir design
- 1.8 L capacity
- Dorman 603-880 replacement part number for direct lookup
Detailed Description
This Dorman coolant reservoir is engineered as a direct replacement for the original expansion tank used on select BMW models. The circular plastic tank is built to handle heat cycling and engine vibration in the engine bay while maintaining the correct coolant storage and pressure characteristics. Dorman 603-880 is a practical choice for BMW 320i, 328i, 428i, 520i, 120i, 220i, 228i, and related front-mounted cooling system applications.
Cross-reference part numbers include Nissens 996262 and URO 17137642158 for the same application.
What It Helps Fix
- Cracked or brittle coolant reservoir housing
- Coolant leaks from the expansion tank
- Faulty reservoir level sensor warnings
- Pressure loss in the cooling system
- Fitment issues after replacing a damaged OE tank
Installation Notes and Tips
Verify the vehicle’s front-position reservoir layout before ordering. This part includes the cap, level sensor, and mounting bracket, but mounting hardware is not included. Confirm hose routing, sensor connection, and bracket alignment during installation to ensure proper sealing and system operation. Dorman 603-880 is listed for 2011-2019 BMW front applications, including 2012-2018 BMW 320i, 2012-2016 BMW 328i, and 2014-2016 BMW 428i.
- Fits 2016-2019 BMW 120i, front
- Fits 2014-2019 BMW 220i, front
- Fits 2016-2019 BMW 420i, front
- Fits 2018-2019 BMW 420i Gran Coupe, front
- Fits 2016 BMW 420i Gran Coupe, front
- Fits 2018-2019 BMW 520i, front
- Fits 2014-2016 BMW 520i, front
- Fits 2012-2018 BMW 320i, front
- Fits 2013-2018 BMW 320i xDrive, front
- Fits 2014-2016 BMW 228i, front
- Fits 2015-2016 BMW 228i xDrive, front
- Fits 2012-2016 BMW 328i, front
- Fits 2014-2016 BMW 328i GT xDrive, front
- Fits 2013-2016 BMW 328i xDrive, front
- Fits 2014-2016 BMW 428i, front
- Fits 2015-2016 BMW 428i Gran Coupe, front
- Fits 2014-2016 BMW 428i xDrive, front
- Fits 2015-2016 BMW 428i xDrive Gran Coupe, front
- Fits 2012-2015 BMW 118i, front
- Fits 2011-2012 BMW 125i, front
Quality Assurance
This replacement reservoir is manufactured from quality materials and built to match the original part’s fit and function for BMW cooling system service.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Engine Coolant Reservoir for BMW Front Applications
Dorman 603-880 is a replacement engine coolant reservoir built for front-position BMW applications. It is made from plastic and engineered to match the fit and function of the original reservoir, with a twist cap, integrated level sensor, pressurized design, and included mounting bracket and cap.
Key Features
- Replacement engine coolant reservoir for BMW cooling system service
- Plastic construction for underhood heat and vibration resistance
- Pressurized design with a 20.3 maximum pressure rating
- Twist-style cap included
- Level sensor included
- Mounting bracket included; mounting hardware not included
- Black and white reservoir design
- 1.8 L capacity
- Dorman 603-880 replacement part number for direct lookup
Detailed Description
This Dorman coolant reservoir is engineered as a direct replacement for the original expansion tank used on select BMW models. The circular plastic tank is built to handle heat cycling and engine vibration in the engine bay while maintaining the correct coolant storage and pressure characteristics. Dorman 603-880 is a practical choice for BMW 320i, 328i, 428i, 520i, 120i, 220i, 228i, and related front-mounted cooling system applications.
Cross-reference part numbers include Nissens 996262 and URO 17137642158 for the same application.
What It Helps Fix
- Cracked or brittle coolant reservoir housing
- Coolant leaks from the expansion tank
- Faulty reservoir level sensor warnings
- Pressure loss in the cooling system
- Fitment issues after replacing a damaged OE tank
Installation Notes and Tips
Verify the vehicle’s front-position reservoir layout before ordering. This part includes the cap, level sensor, and mounting bracket, but mounting hardware is not included. Confirm hose routing, sensor connection, and bracket alignment during installation to ensure proper sealing and system operation. Dorman 603-880 is listed for 2011-2019 BMW front applications, including 2012-2018 BMW 320i, 2012-2016 BMW 328i, and 2014-2016 BMW 428i.
- Fits 2016-2019 BMW 120i, front
- Fits 2014-2019 BMW 220i, front
- Fits 2016-2019 BMW 420i, front
- Fits 2018-2019 BMW 420i Gran Coupe, front
- Fits 2016 BMW 420i Gran Coupe, front
- Fits 2018-2019 BMW 520i, front
- Fits 2014-2016 BMW 520i, front
- Fits 2012-2018 BMW 320i, front
- Fits 2013-2018 BMW 320i xDrive, front
- Fits 2014-2016 BMW 228i, front
- Fits 2015-2016 BMW 228i xDrive, front
- Fits 2012-2016 BMW 328i, front
- Fits 2014-2016 BMW 328i GT xDrive, front
- Fits 2013-2016 BMW 328i xDrive, front
- Fits 2014-2016 BMW 428i, front
- Fits 2015-2016 BMW 428i Gran Coupe, front
- Fits 2014-2016 BMW 428i xDrive, front
- Fits 2015-2016 BMW 428i xDrive Gran Coupe, front
- Fits 2012-2015 BMW 118i, front
- Fits 2011-2012 BMW 125i, front
Quality Assurance
This replacement reservoir is manufactured from quality materials and built to match the original part’s fit and function for BMW cooling system service.
