tailight

Hello could anybody help me . Having Seat Cupra 1.4 (2011) with automatic sensor and xeons head lthe issue is that RS tail lt& RS brake lt & Right Side front parking ligh are not working. Code reader tells me lots of sporadic falts in the lights system however after reset it says “ parking light...

Cant find one anywhere! All I need is the black bit which holds the bulbs cos mine is temprimental from where the rear washer hose has rusted the connectors! Would be even better if u had the wire connector block which fits onto the back of the bulb holder as this is also rusty! any1 got one?