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Amazon.com: Deal4GO New KEM-451AAA Laser Lens Blu-Ray Drive with Deck Mechanism Replacement for Sony Playstation 3 PS3 Super Slim CECH-42xx CECH-43xx : Video Games
If you need to replace your laser in the ps3. You have to open it up. Take out the disk drive, open that up and there you will find the model number on the inside. Here are some pictures to help others out. : r/PS3