Notes: 11716630 DOUBLE U-JOINT B320 55 DV L727.5 (GR. 18 is original VOLVO product. 11716630 DOUBLE U-JOINT B320 55 DV L727.5 (GR. 181 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849