Description
The Optronics 4.5″ Round Stop/Turn/Taillight (Part ST40RB) is a reliable flush-mount combination incandescent light featuring a durable black steel housing and replaceable acrylic lens. This compact stop/turn/taillight provides excellent visibility and easy serviceability for a wide range of trailer applications.
Part Number: ST40RB (Polypack: ST40RBP), Sold Individually. Red flush mount stop/turn/tail light, hard wired (black=stop/turn, green=tail), self grounding.
Key Features
- Part Number: ST40RB
- Brand: Optronics
- Type: 4.5″ Round Stop/Turn/Taillight
- Color: Red
- Mount: Flange / Flush Mount (Recess)
- Size: 5.375″ x 5.375″ x 1.563″
- Housing: Durable Black Steel
- Lens: Acrylic (snap-on, replaceable)
- Connection: Hard Wired (black=stop/turn, green=tail), Self-Grounding
- Voltage: 12V
- Amp Draw: 0.49
- Standards: FMVSS S T I Compliant
- Features: Shock-proof bulb socket, replaceable lens and bulb
- Warranty: Three Year Warranty
- Weight: 0.221 lbs.
Perfect for utility trailers, cargo trailers, boat trailers, and other equipment needing a compact, rugged round stop/turn/taillight with easy serviceability.
Questions about this Optronics taillight or compatibility? Call our trailer experts at 1-800-866-3336.
Browse more Optronics Incandescent Stop/Turn/Tail Lights.









