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.

Phillips Industries · Electrical & Lighting
16-8510
In stock · ships from Knoxville
The Phillips Industries 16-8510 Q-BOX is a heavy-duty 7-way trailer nose box receptacle that provides the primary electrical connection between a truck and trailer.
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
Designed for standard 7-way round pin connectors. Uses split pin socket (16-724 included). Does not include circuit breakers; compatible with all QBOX accessories.
Part data verified against 5 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It uses the award-winning QCS2 quick-change socket system for tool-free replacement of the internal socket, reducing downtime. This assembly does not include circuit breakers, allowing you to add the appropriate amperage breakers as needed. It is weather-resistant and designed to mount on the front of a trailer, keeping wiring organized and protected.
Part Number: 16-8510
Q-BOX RECEPTACLE VG
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting