Demand authentic OEM GM parts for the exceptional quality and performance requirements of your vehicle. The recommended part 42439125 Expansion Tank is also referred to as GM Coolant Reservoir. We distribute these components through all certified dealer networks operating across the United States. All products have a 12-month, 12,000-mile warranty. The performance of your vehicle requires original equipment manufacturer components for proper installation. This item fits the following: Chevrolet Bolt EUV, Bolt EV, Spark EV.
The GM part 42439125 Expansion Tank has been engineered to be reliable and easy to fit. This Direct Replacement component is supplied in New condition to ensure that the vehicle functions correctly. This GM Expansion Tank is supported by a factory warranty, to get details about delivery and returns, refer to our Shipping Policy and Return Policy pages. The excess coolant fluid is contained in the part, and the temperature of the engine is stabilized by draining the tank until it reaches the correct level, and the GM 42439125 is a plastic tank that is connected to the radiator, with the graduations molded on it to ensure that the correct level is achieved when the engine is cold. Cars can be equipped with a pressurized model with a metal cap of a specific rating or a non-pressurized model that uses a simple plastic cap, the first one able to allow the expansion and contraction process and the latter depending on the gravitational flow. Periodic cracks or leak check-ups helps in protection of cooling efficiency and emphasis the importance of using authentic GM products.
The ideal choice to make when wanting an assuring quality and a flawless performance is OEM parts. These items are checked closely in terms of quality and designed to fit perfectly into GM's specifications in terms of factory completion making it very easy to install the parts. We have a large stock of OEM GM components, which also come at highly competitive prices in the market. Just in case you need any new original GM parts please be assured that we would provide them to you at your doorstep within a short period of time. In addition to this, all our pieces are covered by the manufacturer's warranty.