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.

Buyers Products · Hardware & Fasteners
QDDC161
In stock · ships from Knoxville
This carbon steel dust cap screws onto a 1-inch NPT quick coupler to protect the open hydraulic connection from dirt, dust, and moisture when not in use.
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
No specific vehicle make/model fitment available; sold as a universal accessory for any hydraulic system using a 1-inch NPT male coupler.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
An attached chain keeps the cap from getting lost. It’s a simple, effective way to extend the life of hydraulic couplers on trucks, trailers, and other heavy equipment.
Part Number: QDDC161
DUST CAP QDDC161
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more