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Complete Professional Installation Kit: Includes everything required for an immediate field swap: high-visibility amber lens, housing, socket assembly, 12V incandescent bulb, black PVC flush-mount grommet, and ground screws.
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Serviceable Bulb-Replaceable Design: Allows for cost-effective internal bulb replacement, avoiding the added expense of discarding whole assemblies when a filament eventually burns out.
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Dual-Function Front Signaling: Operates smoothly as a continuous running parking/marker lamp and a high-visibility flashing front turn signal.
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Impact-Resistant Polycarbonate: The rugged yellow polycarbonate lens and structural back housing resist shattering, impacts, and heavy road vibration.
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Robust Black PVC Grommet: Accompanied by a heavy-duty black PVC rubber flush-mount grommet that absorbs mechanical road shock and holds the lamp secure in a 4.5-inch panel cutout.
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Fully Safety Certified: Meets or exceeds FMVSS 108, CMVSS 108, DOT, and SAE requirements (marked I6, P, P2) for legal highway operation on commercial vehicles.
Truck-Lite 40302Y 40 Series Incandescent Yellow 4" Round Front/Park/Turn Signal Light Kit (12V, Bulb-Replaceable, Black PVC Grommet Mount, 3-Wire Socket Assembly, Stripped Ends)
Restore peak forward and side visibility to your commercial vehicle with the convenience of the Truck-Lite 40302Y 40 Series Front/Park/Turn Signal Lamp Kit. This standard 4-inch round, yellow (amber) turn signal assembly is a comprehensive, all-in-one kit engineered for heavy-duty fleet trucks, trailers, and utility vehicles. It provides reliable, dual-filament illumination to handle both low-intensity parking/marker lighting and high-intensity front turn indicator signaling.
Unlike hermetically sealed permanent fixtures, the Truck-Lite 40302Y features a user-friendly, bulb-replaceable design. The kit comes completely loaded with a high-impact polycarbonate lens, housing, a heavy-duty single dual-filament bulb, a vibration-dampening black PVC flush-mount rubber grommet, a 3-wire socket assembly pigtail with stripped lead ends, and necessary ground screws. This allows fleet maintenance crews to complete a total replacement or service individual bulbs down the road without discarding the entire housing assembly.
Interchange Part Numbers: 40302Y TLT, 40302YTLT, TL 40302Y, TL40302Y, TRL-40302Y, LIT 40302Y, TK40302Y
Truck-Lite alternative options: 40302R (Red version companion kit), 40242Y (Premium Super 40 sealed version), 40282Y (Economy 40 sealed version), 44 Series LED Product Line (Upgrade path)