Belgian BE Keyboard For Thinkpad T440 T440P T440S T431S T450 T450S T460, Backlit | eBay
04X0168, Lenovo Keyboard for ThinkPad T440/T440s/T440p, backlit | EET
Gzeele New Us Keyboard For Lenovo T440 T440p T440s T431 E431 L440 T431s E440 For Ibm For Thinkpad E431 No Backlight Black - Replacement Keyboards - AliExpress
New for lenovo IBM Thinkpad E431 T431 T440 T440P T450 L440 Keyboard Non-backlit | eBay
Amazon.com: New Laptop Backlit Keyboard Replacement for Lenovo ThinkPad Edge E431 E440 Lenovo ThinkPad L440 T431s T440 T440p T440s, US Layout Black Color : Electronics