The replacement can correct the below problems:
1、Your games are taking much longer than before to load
2、Your PS3 is having trouble reading certain games
3、Watching DVD's is a pain owing to flickering screens and jumping scenes
4、System shows a message "Disc Read Errors" or disc appears damaged or dirty on the screen.

Condition: Brand new Tested and guaranteed in good working condition!!
Model number: KES-410  KES-410A  KES-410ACA
              KEM-410  KEM-410ACA  KEM-410CCA
package included: 1 X  Blue Ray Laser Lens for PS3

Note: the deck is not included.

PLAYSTATION 3 Laser Compatiblity Chart:

Hard Drive Capacity	160GB	80GB	80GB	80GB	60GB	40GB	40GB	20GB
Model Number	CECHP01	CECHL01	CECHK01	CECHE01	CECHA01	CECHH01	CECHG01	CECHB01
USB Ports	2	2	2	4	4	2	2	4
Release Date	8-Nov	8-Nov	8-Sep	7-Aug	6-Nov	8-Mar	7-Nov	6-Nov
Kem-400A/KEM-400AAA	No	No	No	Yes	Yes	No	Yes	Yes
Kem-410ACA	Yes	Yes	Yes	No	No	Yes	No	No