Grote 48303 OEM-Style Turn Signal Switch – 18-Bulb Capacity (Without Harness)

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$256.05 EA

The Grote 48303 is a professional-grade turn signal switch designed to provide long-lasting, consistent service in the most demanding commercial environments. This OEM-style switch is an ideal replacement for several TRW® models (including 480843, 480828, 480838, 480815, and 480807), offering factory-level fit and performance at an exceptional value.

Engineered for high-capacity applications, the 48303 features a massive 18-bulb capacity, making it specifically suited for triple-trailer configurations where extra lighting power is required. This self-canceling switch includes essential safety functions such as right/left indicators, hazard/warning lights, and flash-to-pass capability. Built from high-strength black materials, it is designed to withstand the vibration and daily wear of long-haul trucking.

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Key Details

High Bulb Capacity: Rated for up to 18 bulbs, ideal for triple-trailer and heavy-duty towing setups.
OEM-Style Performance: A direct replacement for TRW® 480843, 480828, 480838, 480815, and 480807.
Self-Canceling Mechanism: Automatically returns to the neutral position after completing a turn for driver convenience.
Brake-Override Compatible: Specifically adapts to vehicle applications that do not utilize a brake-override function.
Multi-Function Control: Integrated hazard warning lights, right/left turn signaling, and flash-to-pass functionality.
Rugged Construction: Durable black housing and internal components tested for real-world reliability.