The Chelsea 5-P-1663-8X or 5P16638X is an input gear assembly designated Ratio H, designed for Chelsea power takeoff units. This gear assembly is a direct OEM Chelsea component, making it a precise fit for the PTO applications it was engineered to serve. Chelsea PTO products are widely used across medium and heavy-duty truck platforms, and correct gear selection is critical to proper PTO function and output speed. Pro Gear and Transmission carries genuine Chelsea PTO parts. If you need help confirming this is the right input gear assembly for your unit, give us a call.
Features
Genuine Chelsea OEM input gear assembly
Part number 5-P-1663-8X or 5P16638X
Ratio designation: H
Designed for Chelsea power takeoff units
Sold by Pro Gear and Transmission
Used in these Chelsea PTO models
