Box was sealed . I just opened it to take photos . GM Genuine Parts Automatic Transmission Clutch Pack Pistons are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). Features details Gm-Recommended Replacement Part For Your Gm Vehicle?S Original Factory Component Offering The Quality, Reliability, And Durability Of Gm Oe Manufactured To Gm Oe Specification For Fit, Form, And Function Country Of Origin: United States Product information Manufacturer ?ACDelco Brand ?ACDelco Item Weight ?8 ounces Product Dimensions ?8.6 x 8.6 x 0.7 inches Country of Origin ?USA Item model number ?24245161 Manufacturer Part Number ?24245161 OEM Part Number ?24245161