This distributor rotor is a top-quality replacement part for GM 10452457. It is designed to work seamlessly with GMC, Cadillac, and Chevrolet vehicles. The package includes a screw and it has a weight of .3 lbs.The distributor rotor is manufactured by ACDelco Professional and is available in a classic white color. It is compatible with several other part numbers such as 100DR331S DR331 DR975 D465 10452457 and interchange part numbers including 10452457 DR-331 DC20008 D236 4A6 3961 4R1066. This OEM replacement distributor rotor is an essential component of the ignition system and ensures optimal engine performance.