Keep your Mitsubishi Diamante radiator running as cool as you are! Radiator Express brand OEM-quality replacement radiators drop right in to replace your worn out, leaking or blown factory Mitsubishi Diamante radiator. Make our efficient Mitsubishi radiators a part of your Mitsubishi Diamante cooling system. Keep your Mitsubishi running well for longer! Radiator Express sells quality replacement radiators for all seasons! Summer, winter, spring or fall - daily driver or track racer - we've got your Mitsubishi Diamante radiator needs covered no matter when and where you're driving, and our low prices won't run over your wallet! Radiator Express radiators arrive overnight in most states so you can be back in your Diamante and on the road in no time. Buy securely online at RadiatorExpress.com or via telephone toll-free (866) RAD-EXPR 1-866-723-3977 - Your Mitsubishi Radiator Experts are waiting to help you!