Panasonic PT43LC14 Lamp with Housing TY-LA1000
Retail Price: Varies based on product options
Amazon Price: $114.99
Panasonic PT43LC14 Bare Lamp TY-LA1000
Retail Price: Varies based on product options
Amazon Price: $94.99

Here is a Panasonic TY LA1000 replacement lamp.

You can get this Panasonic TY-LA 1000 PT43LC14 lamp with housing or get a Panasonic TY-LA1000 PT43LC14 bare lamp.

It is made by Philips and is packaged in Philips retail box. According to the product details listed, this is an original part and not aftermarket. It is brand new and not refurbished of recycled