If your Volvo 940 vehicle is running with a cooling system that uses a clear plastic container connected to the overflow tube from the vehicle’s radiator, then you must be familiar with the radiator expansion tank. This tank is the plastic container that provides extra storage space for the system’s coolant. And since it is not good to have an overflowing or leaking coolant, you should always make sure that your Volvo 940 radiator expansion tank is always in good condition and free from any damage. Should you notice any signs of leaking coolant, it is time you check your radiator expansion tank for replacement. A Scan-Tech Products radiator expansion tank is the best option available in the market when it comes to replacements. With Scan-Tech’s long standing reputation as among the best manufacturer or auto products, you can always be sure of your Scan-Tech Products purchase. However, if you want to be sure that you are only getting authentic product, be sure to get your Volvo radiator expansion tank replacements from our online auto shop. You can browse through our online catalogs should you need any Scan-Tech products like a 1991 940 radiator expansion tank. We assure you that we always carry the solutions to your needs. We have the Scan-Tech Products G1030-26190 to perfectly fit your 1991 Volvo 940.