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.

Bulldog · Hardware & Fasteners
839-30
In stock · ships from Knoxville
This is a replacement attaching pin for the coupler handle (part number 839-20) on Bulldog brand A-frame trailer couplers.
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
Verify your coupler uses Bulldog handle 839-20. A retaining clip (sold separately) is typically needed to secure the pin.
Part data verified against 1 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
The pin secures the handle to the coupler body, allowing it to pivot for latch operation. Over time, the original pin can wear, bend, or become lost; replacing it ensures proper coupler function and safe towing.
Part Number: 839-30
PIN, ATTACHING, 839-20
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more