Notes: VOE11709081 NEEDLE CAGE K50X58X25H NRO.B4X21 8 G2.ZB is original VOLVO product. VOE11709081 NEEDLE CAGE K50X58X25H NRO.B4X21 8 G2.ZB1 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849