This Denso A/C Accumulator is designed for Chevrolet Malibu and Oldsmobile Alero models. It comes with a Bolt-On mounting style and includes an O-Ring for installation. The item is made of Aluminum and is not a vintage part. The brand is DENSO and the Manufacturer Part Number is 4789356. This A/C Accumulator is an OE/OEM part with Interchange Part Numbers ACD1510402, RD10083C, WPR5917LMB, and 703753. It is manufactured in Mexico and is not a universal fitment or a performance part. The best part about this product is that no drilling or modifications are needed for installation.