The Chelsea 378431-15 (also listed as 37843115) is a genuine hex cap screw with patch, sourced as a factory Chelsea PTO component. This fastener is sold as an individual piece and is categorized under Chelsea PTO assembly hardware. The patch feature refers to the pre-applied thread-locking or sealing patch on the screw threads, which helps prevent loosening under vibration conditions common in PTO applications. If you need to confirm this is the correct fastener for your Chelsea PTO assembly, call Pro Gear and Transmission and we can help verify fitment for your specific unit.
Features
Genuine Chelsea PTO hardware fastener
Hex cap screw design with pre-applied thread patch
Sold as individual piece (each)
Direct replacement part number 378431-15 or 37843115
Fits Chelsea PTO assembly applications
