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Selection & Fitment

How to Match a Truck Headlight Switch to the Model and Connector

Use lighting functions, knob layout, OE references and connector geometry to distinguish similar commercial truck headlight switches.
PIRANA HQ-6938 Scania truck headlight switch 1540672 1900316
PIRANA / TRUCK SWITCH GUIDE
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List every lighting function

A truck headlight switch may combine parking lamps, dipped beam, fog lamps, instrument illumination or level adjustment. Confirm the complete function set before comparing appearance.

Inspect the rear housing and connector

The front knob can look identical while the rear connection differs. Ask for a straight rear photograph and a close connector image that shows pin count, keying and housing shape.

  • OE number

  • Truck series and year

  • Knob positions and symbols

  • Rear housing shape

  • Connector keying and pins

Match symbols to the destination market

Visible icons, illumination color and markings may matter for the target market or private-label program. Confirm these details at sample approval together with the electrical function.

Need help matching the part?

Send the truck brand, model, year, OE number, connector photographs and expected quantity to sales@pirana.com for a practical product-matching review.