The Chelsea 378430-18 (also listed as 37843018) is a genuine Chelsea hex head screw used as a hardware component in Chelsea PTO assemblies. Chelsea PTOs are widely used across medium- and heavy-duty truck applications, and maintaining these units with correct factory hardware keeps fastener torque specs and thread engagement consistent with the original design. This screw is sold individually by Pro Gear and Transmission. If you need to confirm this is the correct fastener for your specific Chelsea PTO model, give us a call before ordering.
Features
Genuine Chelsea replacement hex head screw
Part number 378430-18 or 37843018
Designed for use in Chelsea PTO assemblies
Sold by Pro Gear and Transmission
