O-rings injection valves

Hello! Let’s ask you a question about the above…Where do I get them now best? Order them right from Volvo? And what about the following (an old theme from 2012)? Should I ask for it like that, or is it different with my V70? Motor B5254T MJ.1999 m. MM DK 142kW/193PS. The valves are orange. “josch0152 The one with the Rudolf dances 1 (L) theme starter Directly at the valve are one at the top and the bottom. And in the ansaw bender is another one that also acts as a guide. So 10 O-rings and 5 “guide seals”. If I’m already there, I make it complete.”