W8001667 - J72 Propshaft Brake Assembly (Allison Transmission)
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Part# W8001667 - J72 Propshaft Brake Assembly
- Replaces function of parking pawl in transmission to hold coach in place when Park position is selected. Uses internal spring force to apply self contained clutch style brake assembly. Brake is released by collapsing internal spring from hydraulic pressure provided by external electric hydraulic pump assembly.
- Mounts on back of transmission, often called Propshaft parking brake or Driveline parking brake.
- It is highly recommended that Part# US20-78 is installed when installing this new brake. Part# US20-78 prevents the brake from applying while the coach is in motion causing the damage that makes the brake not hold, and or leak.
- Workhorse W-24 2004-2009
- Also Fits Freightliner FRED Chassis (Freightliner Part# 12-21652-000)
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