Truck-Lite 97079 Round Black Foam Sealing Flange Gasket for 10 Series 2.5-Inch Clearance Marker Lights

Shield your high-performance commercial vehicle safety lighting from severe weather, dirt, and corrosion with the Truck-Lite 97079 Round Black Foam Sealing Gasket. Specifically engineered to deliver a precision fit for Truck-Lite’s popular 10 Series 2.5-inch round LED and incandescent marker/clearance lights, this premium OEM-grade flange gasket provides an essential, low-cost layer of defense for heavy-duty commercial truck fleets, vocational repair shops, and utility trailer service facilities.

When surface-mounting 2.5" round lighting units or flange-mount brackets directly onto metal, aluminum, or fiberglass body panels, minor surface variations can allow destructive elements to slide behind the assembly. The 97079 sealing gasket compresses completely under mounting tension to establish an airtight, watertight environmental barrier. This active shield permanently blocks out road salt, chemical de-icers, highway mud, and high-pressure power-washer spray—protecting your underlying wire connections against the green-wire corrosion that triggers sudden electrical circuit shorts.

Constructed from a premium-grade, high-density black foam compound, this gasket features an exact round profile measuring 3.46 inches (3-29/64") in diameter and a tight 0.13-inch thickness. This resilient padding doubles as a highly effective vibration dampener, isolating your 10 Series lamp's internal electronics and lens structure from punishing over-the-road chassis vibration and mechanical shocks. It seamlessly supports advanced LED kits (such as the 10079Y flange mount series) to guarantee full SAE PC compliance across severe-duty routes.