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Vibration-Dampening Shock Absorbency: Cradles 4" round lights firmly while absorbing punishing road vibrations, effectively preventing premature lamp burnout or failure.
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Premium PVC / TPR Material Blend: Engineered to resist deterioration from engine oils, road grease, severe UV exposure, and extreme seasonal freezing without cracking or losing its tight elastic seal.
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Anti-Outgassing Material Design: Specialized chemical structure eliminates material outgassing, protecting the clarity of your light housings from haze or cloudiness.
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Tool-Free Flush Installation: Designed to effortlessly snap-fit any standard 4.00-inch diameter circular light head directly into a standard 4.50-inch panel hole cutout for a clean, secure look.
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Broad Cross-Series Compatibility: Perfectly scaled to mount all Truck-Lite 40 Series, Super 40, 41 Series Economy, and 44 Series LED or incandescent lamps, as well as universal 4" round industry-standard trailer lights.
Truck-Lite 40700 – 40 & 44 Series Open Back Black PVC Grommet Mount for 4" Round Truck and Trailer Lights
Secure, insulate, and flush-mount your exterior fleet lighting with the heavy-duty Truck-Lite 40700 40 Series Open Back Mounting Grommet. Specially engineered to cradle standard 4-inch round lamps, this premium circular mount is an industry standard for commercial semi-trucks, line-haul trailers, box trucks, delivery vans, and specialized vocational bodies.
Molded from a high-performance PVC compound infused with advanced thermoplastic rubber (TPR), the Truck-Lite 40700 is built for absolute long-haul resilience. This specialized material blend provides crucial shock-absorbing protection that dampens harsh chassis rattling and road jolts, isolating internal bulb filaments or sensitive LED diodes from devastating vibration to extend lamp service life. Additionally, the premium formulation eliminates material outgassing, ensuring no chemical residues degrade or fog your clear light lenses over time.
