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Automann · Electrical & Lighting
178.4007
In stock · ships from Knoxville
This is a 7-terminal junction box used to connect and protect wiring splices on heavy-duty trucks and trailers.
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Verified fitment for 1 applications
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Universal fit
No specific vehicle applications were verified. This is a standard 7-terminal junction box commonly used across many makes of heavy-duty trucks and trailers for general wiring repair or replacement.
Part data verified against 5 catalog sources
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It provides a central point for routing multiple circuits, keeping electrical connections secure and organized while shielding them from moisture, dirt, and road debris. Over time, junction boxes can corrode or suffer from wire chafing, leading to shorts and lighting or signal failures. Replacing a damaged junction box ensures reliable electrical connectivity for your trailer lights, ABS, and other critical systems.
Part Number: 178.4007
JUNCTION BOX 7 TERMINAL
Unit: ea
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting