Tenders for Supply of O-Ring 174, 3X5, 7 To Faiveley Part No. 1400030479 Of Faiveley Make Parking Brake Unit Pbu Of Wag9 Electric Locomotive.. O-Ring 174, 3X5, 7 To Faiveley Part No. 1400030479 Of Faiveley Make Parking Brake Unit Pbu Of Wag9 Electric Locomotive. Warranty Period: 30 Months After The Date Of Delivery