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99.9% Leak-Proof Environmental Seal: High-performance elastomeric molding locks tight against the vehicle pane to eliminate moisture ingress, road spray, and premature electrical short-circuits.
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Thick Panel Gauge Compatibility: Purpose-built to snap perfectly into heavy-duty structural panels with a material thickness of .125 inches to .250 inches.
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Screwless Snap-Fit Installation: Allows for an effortless flush-mounting setup; standard 3/4-inch diameter lamps press-fit directly into the rubber channel without drilling for mounting screws.
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Excellent Shock & Vibration Isolation: The heavy-duty rubber composition absorbs extreme road shock, protecting delicate internal LED circuit boards and incandescent filaments from premature failure.
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Upgrade and Security Ready: Fully compatible with optional chrome-plated dress-up flanges to enhance vehicle style, or anti-theft security rings (US Patent 7,572,043) to prevent component tampering.
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PC Clearance Safety Compliance: Meets or exceeds strict DOT/SAE PC requirements when paired with an approved Model 33 LED PC-rated or combination lamp.
Truck-Lite 33725 – 33 Series 0.75" (3/4 Inch) Round Black Rubber Sealing Grommet (Open Back, .125" - .250" Panel Range)
Secure, cushion, and weatherproof your commercial fleet’s miniature lighting layout with the heavy-duty Truck-Lite 33725 33 Series Sealing Grommet. Specifically engineered for 3/4-inch round clearance, side marker, and mini identification lamps, this professional-grade component is uniquely designed to accommodate thicker heavy-gauge panel materials ranging from .125" to .250".
Molded from a high-grade, resilient black rubber elastomer, the Truck-Lite 33725 features an open-back configuration that allows wire leads and bullet connectors to exit freely. Its precise structural channel ensures an ultra-tight, 99.9% leak-proof environmental seal around your vehicle's lighting cutouts, shielding delicate internal electrical systems from water intrusion, dirt, and corrosive highway salts.