Hella 003750401 Electronic Turn Signal Flasher Relay 12V 5-Pin 2+1x21W

The Hella 003750401 is an electronic turn signal flasher relay designed for 12-volt automotive electrical systems. Built to HELLA's exacting standards, this plug-in relay features a 5-pin connector for straightforward installation into compatible relay sockets without the need for additional wiring.

This flasher unit is engineered to support a 2+1 lamp configuration, making it well-suited for vehicles towing a caravan or trailer. It controls up to two lamps per side on the tow vehicle plus one additional lamp for trailer indication, maintaining proper flash rate and circuit integrity even under combined load conditions.

Key Features:

• Operating voltage: 12V
• 5-pin plug-in connector for easy installation
• Supports 2+1 × 21W lamp load (tow vehicle plus trailer)
• Electronic flasher design for reliable, consistent flash frequency
• Plug-and-play fitment — no additional wiring required
• Built to OEM-grade quality standards by HELLA

HELLA is a globally recognized manufacturer of automotive lighting and electronics, trusted by OEM and aftermarket customers alike. The 003750401 is a direct-fit electronic turn signal relay suitable for vehicles equipped with a compatible 5-pin relay socket.