Dedicated Motorsports - 16+ CTS-V Fender Mounted Tank
1.5 Gallon Fender Expansion Tank ā 2016ā2020 Cadillac CTS-V
SKU - V3FENDER
The Dedicated Motorsports 1.5-gallon fender-mounted expansion tank is designed specifically for the 2016ā2020 Cadillac CTS-V supercharger system. This tank increases coolant capacity, helping to reduce intake air temperatures and improve system efficiency by allowing trapped air to escape. It also simplifies system filling and bleeding.
Ā
THE DMS Expansion tank is constructed from .125-inch aluminum, TIG-welded in-house, and finished in satin black powder coat, this tank is built for both performance and durability. It features -12 ORB inlet and outlet fittings, and includes pre-made -12AN feed and return lines, along with all required hardware for a clean installation.
Features:
- Adds 1.5 gallons of coolant volume
- Improves cooling efficiency and airflow
- .125" aluminum construction, TIG-welded
- Satin black powder-coated finish
- Includes -12AN lines and full hardware kit
- Approximate install time: 45 minutes
V3 Fender Tank Instructions
Product Information
Product Information
Shipping & Returns
Shipping & Returns







Dedicated Motorsports - 16+ CTS-V Fender Mounted Tank
Dedicated Motorsports - 16+ CTS-V Fender Mounted Tank
1.5 Gallon Fender Expansion Tank ā 2016ā2020 Cadillac CTS-V
SKU - V3FENDER
The Dedicated Motorsports 1.5-gallon fender-mounted expansion tank is designed specifically for the 2016ā2020 Cadillac CTS-V supercharger system. This tank increases coolant capacity, helping to reduce intake air temperatures and improve system efficiency by allowing trapped air to escape. It also simplifies system filling and bleeding.
Ā
THE DMS Expansion tank is constructed from .125-inch aluminum, TIG-welded in-house, and finished in satin black powder coat, this tank is built for both performance and durability. It features -12 ORB inlet and outlet fittings, and includes pre-made -12AN feed and return lines, along with all required hardware for a clean installation.
Features:
- Adds 1.5 gallons of coolant volume
- Improves cooling efficiency and airflow
- .125" aluminum construction, TIG-welded
- Satin black powder-coated finish
- Includes -12AN lines and full hardware kit
- Approximate install time: 45 minutes
V3 Fender Tank Instructions
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
1.5 Gallon Fender Expansion Tank ā 2016ā2020 Cadillac CTS-V
SKU - V3FENDER
The Dedicated Motorsports 1.5-gallon fender-mounted expansion tank is designed specifically for the 2016ā2020 Cadillac CTS-V supercharger system. This tank increases coolant capacity, helping to reduce intake air temperatures and improve system efficiency by allowing trapped air to escape. It also simplifies system filling and bleeding.
Ā
THE DMS Expansion tank is constructed from .125-inch aluminum, TIG-welded in-house, and finished in satin black powder coat, this tank is built for both performance and durability. It features -12 ORB inlet and outlet fittings, and includes pre-made -12AN feed and return lines, along with all required hardware for a clean installation.
Features:
- Adds 1.5 gallons of coolant volume
- Improves cooling efficiency and airflow
- .125" aluminum construction, TIG-welded
- Satin black powder-coated finish
- Includes -12AN lines and full hardware kit
- Approximate install time: 45 minutes
V3 Fender Tank Instructions

















