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Truck-Lite · Tools & Supplies
TRU97940
In stock · ships from Knoxville
This is a corrosion preventative compound (often called dielectric grease) for protecting electrical contacts, switches, and junction boxes on heavy-duty trucks and trailers.
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Verified fitment for 4 applications
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All confirmed applications for this part number.
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Specifically intended for periodic use on exposed electrical contacts on medium- and heavy-duty vehicles. Not for pre-sealed connector systems.
Part data verified against 2 catalog sources
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It forms a moisture-resistant barrier that prevents oxidation, voltage leaks, and circuit failures caused by road salt, rain, and washing. You apply it periodically to any standard terminal connection that doesn't use a sealed boot—such as trailer plugs, marker lights, and junction blocks—to extend the life of your lighting and electrical system.
Part Number: TRU97940
COMPOUND, DIELECTRIC GREASE
Unit: ea
Dealer: Knox Trailers
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