This is the inner seal on the C5 clutch piston for the reverse, neutral, and 1st gears in 2001 to 2019 Allison 1000 Transmissions. It prevents pressurized hydraulic fluid from leaking out of the piston inside the clutch.
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This is the inner seal on the C5 clutch piston for the reverse, neutral, and 1st gears in 2001 to 2019 Allison 1000 Transmissions. It prevents pressurized hydraulic fluid from leaking out of the piston inside the clutch.