Please check notes in each part listing to ensure the Cooling System Tester Adapter is correct for your 1997 MITSUBISHI DIAMANTE ES with a 3.5L 3497cc 215 [6G74] engine. STANT & GATES are competing brands, and each brand's Cooling System Tester Adapter may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Cooling System Tester Adapter fits only certain 1997 MITSUBISHI DIAMANTE ES models.

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