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Convenient 2 oz. Squeeze Tube: Precision applicator nozzle allows mechanics and drivers to apply exact amounts of grease directly to small terminal pins without waste or mess.
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Industry-Proven Corrosion Defense: Forms a heavy-duty seal on exposed metal connectors, stopping oxidation, rust, and surface degradation before it compromises your lighting.
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Essential Roadside Guard: Designed as the primary chemical treatment for multi-pin trailer plugs, exterior toggle switches, and open-terminal lighting systems that lack pre-sealed Fit 'N Forget™ boots.
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Thermal and Chemical Stability: Stays thick and perfectly in place within extreme temperature environments without bleeding, thinning out, or hardening into a brittle crust.
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Maintains Core Safety Circuits: Actively blocks moisture and road grime to ensure consistent metal-to-metal contact, preventing critical trailer lighting and ABS code interruptions.
Truck-Lite 97944 – NYK-77 Corrosion Preventative Compound, 2 oz. Squeeze Tube
Prevent roadside electrical failures and shield your vehicle's critical safety wiring with the compact Truck-Lite 97944 NYK-77 Corrosion Preventative Compound. Formulated into a highly convenient 2 fluid-ounce (2 oz.) portable squeeze tube, this professional-grade non-conductive grease is the perfect size for mobile service trucks, gloveboxes, driver emergency kits, and individual owner-operator toolboxes.
The Truck-Lite 97944 formula establishes an immediate hydrophobic barrier over exposed metal terminals, switches, and junction pins. By effectively locking out harsh winter road brines, rain spray, and corrosive automated washing chemicals, it prevents voltage leaks, circuit resistance, and the unexpected wiring failures that trigger costly DOT roadside violations.
The Truck-Lite 97944 Corrosion Preventative Compound is the ideal field chemical for:
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Packing tractor-trailer 7-way electrical cords and nose box receptacles during pre-trip inspections.
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Treating individual terminal pins when replacing auxiliary marker lights, license plate lamps, or stop/turn/tail bulbs on the side of the road.
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Protecting exposed ignition blocks, battery terminals, and exterior trailer switches on utility vehicles.
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Alternative Sizes Available: For high-volume fleet shops or heavy-duty grease gun use, the NYK-77 formula is also offered in an 8 oz. benchtop can (97940), a 14 oz. grease cartridge (97948), and a bulk 1-quart shop can (97943).