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FleetPro Parts

VSM Western Star Turn Signal Switch - 84401-3418 / 917Y115

VSM Western Star Turn Signal Switch - 84401-3418 / 917Y115

Regular price $51.79 USD
Regular price $73.99 USD Sale price $51.79 USD
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Orders are typically processed within 24–48 hours, Monday through Friday, excluding major U.S. holidays. Shipping options include Small Package Saver, Ground, Second Day Air, and Next Day Air. Free Shipping applies to qualifying items within the contiguous 48 states. Freight or oversized shipments require a commercial address. Please inspect all deliveries and report damages within 24–48 hours. We ship only within the continental U.S. and cannot deliver to P.O. boxes or international locations. Most orders ship from our North Carolina warehouse.For estimated transit times, see the shipping chart. Read more information.

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Expert-selected truck parts

At FleetPro Parts, we specialize in supplying OEM replacement parts for heavy-duty trucks. From Freightliner and Detroit Diesel to Cummins, Mack, Volvo, and Wabco, our catalog covers the components you need to keep your fleet moving. Every part we stock is tested, reliable, and built to match OEM standards, so you can order with confidence. Our team knows truck parts inside out—from engine cooling and steering to AC systems, alternators, and fuel components. Whether you’re maintaining a single truck or managing an entire fleet, we make it easy to find the right part, at the right time. For when it matters. More about Us.

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FleetPro Truck Center Inc • 4989 Hendersonville Rd, Fletcher, NC 28732 • Phone +1 888-722-1331

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Description:

VSM 917Y115 / Western Star 84401-3418 Turn Signal Switch is a genuine OEM-style multifunction steering column switch engineered for Western Star heavy-duty trucks. Designed as a direct plug-and-play replacement, this switch controls turn signals, headlight dimming, hazard flashers, and related lighting functions while delivering reliable, long-lasting performance in demanding commercial fleet applications.

Features:

Manufacturer: Vehicle Safety Manufacturing (VSM)
Brand: VSM
OEM Brand: Western Star
Part Number: 917Y115
OEM Part Number: 84401-3418
Alternate Part Number: 844013418
Product Type: Multi-Function Turn Signal Switch
Mounting Location: Steering Column
Operating Voltage: 12V / 24V
Connector Type: OEM Plug-and-Play Harness
Turn Signal Function: Yes
Hazard Flasher Function: Yes
High/Low Beam Control: Yes
Lane Change Feature: Yes
Integrated Stop Lamp Circuitry
Heavy-Duty Unitized Construction
Positive Detent Design
OEM Direct Replacement
Factory-Matched Connectors
Long-Life Mechanical Design
SAE Compliant
FMVSS 108 Compliant
QQC Compliant
Suitable for Western Star Heavy-Duty Trucks
Fleet Maintenance Ready
Meets or Exceeds OEM Specifications

OEM Cross Reference: 917Y115, 84401-3418, 844013418

Part #:
  • 84401-3418 / 917Y115