Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Parker Chelsea · Hardware & Fasteners
378447-6
In stock · ships from Knoxville
This is a hex socket head cap screw with a 5/16-18 thread and 1-inch length, designed for use in Chelsea and Parker power take-off (PTO) units.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Part data verified against 4 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It fastens internal components within the PTO assembly and is commonly replaced during rebuilds or when threads become stripped or the head is damaged.
Part Number: 378447-6
BOLT 378447-6
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
