Honda O.ring )7/8x1/9* Genuine Oem:Yes, Category 2:Steering Gear & Linkage, Superseded Part Number:91304-P0H-003, Part Ref# On Diagram:ONLY PART REFERENCE #18 ON THE DIAGRAM I Brand:Honda, Fitment Type:Direct Replacement, Other Part Number:91304-P0H-003, Quantity Needed:1 Manufacturer Part Number:91304P0H013, Category 3:Pump & Hoses, Item Name:Pressure Switch O-Ring, Category 1:Steering