Mishimoto MMBCC-STNGR-18PBE Radiator Coolant Expansion Tank for 2018-2021 Kia

Vehicle Fitment

• 2018-2021 Kia Stinger GT (CK), 3.3L Twin-Turbo V6, RWD/AWD

Features

• Durable powder-coated aluminum construction
• Precision-machined billet aluminum pressure relief cap
• Increased coolant capacity for improved heat management
• Direct replacement for OEM plastic expansion tank
• Corrosion-resistant and built for long-term durability
• Designed to withstand high-pressure cooling systems
• Enhanced coolant system reliability during spirited driving
• Includes all necessary mounting hardware for easy installation

Specifications

• Material: Powder-coated aluminum
• Capacity: Larger than stock OEM tank for better cooling
• Pressure rating: Includes billet pressure relief cap (approx. 15 psi)
• Fitment: Radiator coolant expansion tank, front location
• Compatibility: Fits 2018-2021 Kia Stinger GT 3.3L V6, RWD and AWD

Included Components

• 1x Aluminum radiator coolant expansion tank (MMBCC-STNGR-18PBE)
• 1x Billet aluminum pressure relief cap
• Mounting hardware kit
• Installation instructions

Product Description

The Mishimoto MMBCC-STNGR-18PBE radiator coolant expansion tank is a premium upgrade for the 2018-2021 Kia Stinger GT equipped with the 3.3L twin-turbo V6 engine. Constructed from powder-coated aluminum, this tank offers superior durability and corrosion resistance compared to the OEM plastic unit.

Designed to increase coolant capacity and improve thermal management, it is ideal for both daily driving and spirited performance use. The billet aluminum pressure relief cap maintains optimal system pressure and temperature, enhancing reliability under demanding conditions. The direct-fit design ensures straightforward installation using included mounting hardware, making it a perfect cooling system upgrade for Stinger GT owners.