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Post Onsite · Electrical & Lighting
EC42
In stock · ships from Knoxville
The EC42 is an electrical connector, likely intended for heavy‑duty truck and trailer wiring systems.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It may be an aftermarket connector from a brand like Echlin (often abbreviated ECH) that supplies terminals, pigtails, and connector bodies for lighting, body, and chassis circuits. Connectors like this are typically replaced when pins become corroded, loose, or when rewiring damaged sections of a harness.
Part Number: EC42
ECH ELECTRICAL CONNECTOR
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting