2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 304Get this manual
3B-29 Differential: Final DriveFinal Driven Gear Oil Seal Inspect the oil seals for damage or wearIf any defect are found, replace the oil seal with new oneFinal Drive GearBearing Inspect the final drive gear for wear or damageInspect the final drive gear bearing for abnormal noise and smooth rotationIf any defects are found, replace defective parts I827H1320102-01
I827H1320107-01
Final Driven Gear Inspect the final driven gear for wear or damageIf any defects are found, replace the final driven gear with new one