Western Star Turn Signal Switches

VSM's OEM replacement turn signal switches for Western Star heavy-duty trucks feature modular plug-in harnesses that allow OEM replacements without rewiring for virtually every model truck. They are highly reliable, having survived over one million cycles and proven cost effective under actual driving tests.

VSM: 918Y994 / Western Star: 84401-3429

Product Specifications

VSM heavy-duty control switch 918Y994. Replaces Western Star 84401-3429.
  • Direct replacement for Western Star 84401-3429.
  • OEM Engineered signal switch for multiple Western Star truck applications.
  • Control switch wire leads protected by convoluted tubing.
  • Factory-matched connectors allow for plug-and-play control switch replacement.
  • Control switch assembled from rigid VSM 900 switch body.

More Images (Click to enlarge)

Accessories

VSM heavy-duty control switch 918Y994. Replaces Western Star 84401-3429. VSM heavy-duty control switch 918Y994. Replaces Western Star 84401-3429. VSM heavy-duty control switch 918Y994. Replaces Western Star 84401-3429. Original fit connectors allow for direct replacement of Western Star 84401-3429.

VSM: 918Y116 / Western Star: 84401-3421

Product Specifications

VSM heavy-duty control switch 918Y116. Replaces Western Star 84401-3421.
  • Direct replacement for Western Star 84401-3421.
  • OEM Engineered signal switch for multiple Western Star truck applications.
  • Control switch wire leads protected by convoluted tubing.
  • Factory-matched connectors allow for plug-and-play control switch replacement.
  • Control switch assembled from rigid VSM 900 switch body.

More Images (Click to enlarge)

Accessories

VSM heavy-duty control switch 918Y116. Replaces Western Star 84401-3421. VSM heavy-duty control switch 918Y116. Replaces Western Star 84401-3421. VSM heavy-duty control switch 918Y116. Replaces Western Star 84401-3421. Original fit connectors allow for direct replacement of Western Star 84401-3421.