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99.9% Leak-Proof Environmental Seal: Engineered to form an airtight barrier against moisture, debris, and road spray, preventing premature electrical shorts and corrosion.
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Screwless Snap-Fit Installation: Designed for fast flush-mounting configurations; 3/4-inch lamps simply snap directly into the grommet body without drilling for screws.
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Accessible Open-Back Configuration: Features an open backing that allows wiring leads and connectors to extend freely for effortless wiring installation and fleet maintenance.
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PC Clearance Safety Compliance: Fully suitable for meeting strict DOT/SAE PC requirements when paired with an approved Model 33 LED PC-rated or combination lamp.
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Anti-Theft Component Compatibility: Built to work alongside an optional chrome-plated flange or security ring to defend your miniature lighting from opportunist cargo-area theft.
Truck-Lite 33700 – 33 Series 0.75" (3/4 Inch) Round Black Rubber Open Back Mounting Grommet
Secure and weatherproof your vehicle's miniature safety lights with the industry-standard Truck-Lite 33700 33 Series Mounting Grommet. Specifically engineered for 3/4-inch round clearance, side marker, and signal identification lamps, this heavy-duty rubber grommet provides a secure, flush-mount fit on commercial semi-trucks, trailers, buses, and utility bodies.
Molded from premium, weather-resistant black compound, the Truck-Lite 33700 features an open-back design that makes wiring connections easily accessible while isolating the lamp from road vibration. Its advanced engineering ensures an ultra-tight, 99.9% leak-proof seal around the light cutout—shielding delicate vehicle electrical systems from moisture, corrosive winter road salts, and dirt accumulation.
