Half Shaft Oil Seal 09A409400B 09A409400A for A3 Q3 TT Variant 09A 409 400B 09A 409 400A 09A 409 400 B The Half Shaft Oil Seal 09A409400B is designed to prevent leakage of lubricants and from external , supporting consistent function and extended component life.Compatible with OEM numbers 09A 409 400B, 09A 409 400A, and 09A 409 400 B, this seal is suitable for use in A3, Q3, TT, and Variant models.Its precise fit ensures integration into the drivetrain system.Constructed from rubber, the seal offers resistance to temperatures up to 105℃, maintaining integrity under operating conditions.The material provides flexibility and resilience, supporting long-term sealing effectiveness.Each unit is produced to meet specifications, functional.Engineered for , the design supports efficient power transmission by protecting critical drivetrain components.The seal is intended for straightforward installation as a direct replacement, helping maintain vehicle function over time.