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2-in-1 Combination Unit: Combines Stop/Turn/Tail and Reverse lighting operations into a single 4" round fixture, saving installation time and conserving rear crossmember mounting space.
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FMVSS Luminous Area Compliant: Fully meets federal requirements requiring a minimum of $75\text{ cm}^2$ of luminous red area for legal rear safety signaling.
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Gray Polycarbonate Grommet Mount: Built for standard 4" round rubber mounting grommets, providing a secure, shock-dampening flush fit with clean gray accenting.
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Fit 'N Forget 4-Pin S.S. Plug: Potted 4-pin plug interface creates an airtight barrier against moisture, de-icing chemicals, and road salts to prevent terminal corrosion.
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Epoxy-Encapsulated Electronics: Fully potted internal circuitry safeguards solid-state LED components from heavy chassis shock, vibration, and environmental exposure.
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High-Impact Polycarbonate: Heavy-duty red/clear polycarbonate lens and housing offer up to 3x higher impact resistance than standard acrylic alternatives.
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Energy-Efficient & Standard Compliant: Consumes minimal current (0.24A Major / 0.02A Minor) to preserve electrical systems while fully satisfying SAE I6, P2, R, S2, T2, and DOT FMVSS 108 standards.
Truck-Lite 44557R – Super 44 Series 4" Round Red/Clear 8-Diode LED Stop / Turn / Tail & Integrated Back-Up Light (Gray Polycarbonate Grommet Mount, Fit 'N Forget 4-Pin S.S. 12V)
Streamline your fleet’s rear lighting setup and maximize roadway safety with the Truck-Lite 44557R Super 44 Series 4" Round LED Combination Stop/Turn/Tail & Integrated Back-Up Light. By housing both rear safety functions in a single 4" round lamp, the 44557R replaces the need for separate tail lights and backup lights—saving mounting space on rear crossmembers while reducing installation time and inventory stocking costs.
Designed for standard 4" round grommet mounting, this 8-diode combination light fully complies with federal FMVSS regulations requiring at least $75\text{ cm}^2$ of luminous red surface area for rear safety signaling. Featuring an integrated gray polycarbonate grommet mount housing and Truck-Lite's signature Fit 'N Forget 4-Pin S.S. connection, the 44557R provides superior defense against moisture intrusion, road salts, and continuous commercial chassis vibration.