Volvo L30 TYPE 180, 181 SER NO - 2200 S/N start S/N end Variant 1800001 1802200 134018 1810001 1812200 134018 6457.100. Steering valve 1800001-None ` For full view, you need register Parts on group Steering valve: Pos. Part No Qty Parts name Comments 1. ZM2801891 [1] Servo unit 2. ZM2906626 [1] Parts set 3. ZM2223650 [1] O-ring 4. ZM2904814 [1] O-ring 5. ZM2011042 [2] O-ring 6. ZM2223690 [7] Washer 7. ZM2223540 [1] Gasket