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.

Cantex · Electrical & Lighting
5133712
In stock · ships from Knoxville
This is a rugged PVC junction box measuring 8 inches wide, 8 inches long, and 4 inches deep.
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
This is a general-purpose electrical enclosure, not a vehicle-specific component. It can be used on many heavy-duty trucks and trailers where a PVC junction box of this size is needed.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 2 of 2.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It provides a weather-resistant enclosure for electrical splices, connections, and wire terminations, protecting them from moisture, dirt, and physical damage. Commonly replaced when upgrading or repairing wiring harnesses on trucks and trailers, it is suitable for both indoor and outdoor use where a durable, non-metallic box is needed.
Part Number: 5133712
JUNCTION BOX 8X8X4 PVC
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting