OTTO Excavator Parts Fsr32 6He1 Valve Spring Small 8971209116 897120-9116 8-97120911-6 For Isuzu OTTO Isuzu FSR32 6HE1 Valve Spring Small 8971209116 – 100% genuine OEM part for Isuzu FSR32 6HE1 mining excavators. Resists high temp, pressure & heavy vibration, outperforms cheap aftermarket small springs, slashes downtime & cuts maintenance costs for heavy-duty mining operations.