Fortpro Rear Crankshaft Oil Seal for Cummins Engines 4B, 6B, 6C, ISC, ISB - 3.194" OD - 2 1/8" ID - Replaces 3909410, 39805 | F020621

Oil Seals are used to Protect Shafts and Bearings from Ingress of Dirt and debris and Leakage of Oil or Grease. Ours are made to Endurance Heavy Duty Conditions.

• Part: Oil Bath Seal
• Part OEM: 39805
• Application: Engine
• Shaft Size: 5.118" (130 mm)
• Outer Diameter: 5.923" (150.44 mm)
• Overall Width: 0.583" (14.8 mm)
• Housing Bore: 5.906" (150 mm)
• Fit: Universal

• Cummins: 3909410
• Federal Mogul (National): 39805
• SKF: 51172
• Timken: 39805

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