Rear Differential Pinion Seal for 1975-1978 Ford F-150 & More - Timken 8181NA

Grease/Oil Seal

• Oil And Grease Seals From Timken Feature Precision Sealing Designs To Prevent Lubricant Escape And Stop Harmful Contaminants From Entering
• Reinforced Outer Case Helps Prevent Installation Damage And Enhances Durability
• Ribbed Rubber Inner Diameter Designed To Seal Minor Spindle Imperfections And Promote Positive Spindle Seating
• Internal Contamination Exclusion System Helps Prevent Debris Penetration Which May Lead To Leakage
• Vent Holes Allow Lubricants To Flow Freely Around The Seal Lip - Cooling Seal Components And Removing Heat Build-Up