Description
PT5453 Flasher refers to a heavy‑duty automotive / truck turn‑signal flasher relay commonly used in commercial trucks, trailers, and heavy equipment.
Type: Electromechanical flasher relay
Terminals: 2‑prong (2‑terminal)
Voltage: 12 Volt
Load rating: Up to 12 lamps, max ~25 amps
Standards: Meets SAE J590 / J945 (DOT compliant)
Typical brands: OTR / Prima Tronics (often cross‑referenced)
Common applications
Turn signals & hazard lights on:
Semi‑trucks
Medium & heavy‑duty trucks
Trailers
Fleet & vocational vehicles
Designed for incandescent bulbs (not LED‑specific).
Grote 44530
Peterson 570
Bussmann NO243
Truck‑Lite 172
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