Description
Allison Separator Plate 29542917
What a Separator Plate Does
- Directs hydraulic fluid between channels
- Maintains proper pressure regulation
- Supports accurate shifting performance
- Separates valve body circuits
Why This Part Matters
A worn or damaged separator plate can cause:
- Erratic or delayed shifting
- Pressure loss inside the transmission
- Overheating
- Premature clutch wear
Common Applications
- Heavy-duty trucks
- Transit and coach buses
- Fire and emergency vehicles
- Oilfield and industrial equipment
Signs of a Failing Separator Plate
- Harsh or inconsistent shifting
- Transmission slipping
- Diagnostic trouble codes
- Fluid pressure irregularities
Inspection & Quality
Each used separator plate is:
- Visually inspected for damage
- Checked for warping or wear
- Verified for usability before sale
Common Questions
Can a separator plate be reused?
Yes, if it’s within spec and undamaged—but wear or warping requires replacement.
Is this a common failure point?
It can wear over time, especially in high-mileage or heavy-duty applications.
Do I need to remove the valve body to replace it?
Yes—replacement typically requires partial disassembly of the transmission.
Questions?
Have a shifting issue? Call Reaction Force LLC at (503) 862-6322 and we’ll help identify the right part fast.
