Anyone know the part number for the rubber weather strip seal that protects the brake/clutch reservoir area?

Pic for reference:

 

Pic didn't upload but I know what you're talking about. My opinion is to ditch the OEM rubber and get some "edge guard" to run around it instead, the OEM stuff just doesn't stay down unfortunately but edge guard will never move again. Look into something like this stuff, we use a ton of it at work and it's super durable. Probably outlast the car.