labwork Master Window Switch 20752918 21543897 For Volvo Truck FH12 FH13 FM VNL

What is labwork Master Window Switch 20752918 21543897 For Volvo Truck FH12 FH13 FM VNL?

This labwork Master Window Switch is a direct-fit replacement for the front driver-side power window and door lock control in Volvo FH12, FH13, FM, and VNL series trucks manufactured between 2004 and 2012. Engineered to meet original factory specifications, it ensures seamless integration with no coding or wiring modifications required. The unit comes sealed and ready to install, making it a reliable solution for restoring full functionality to window and door lock systems in heavy-duty Volvo commercial vehicles.

Key features

• OEM-Spec Design — Matches original factory dimensions and electrical connectors for plug-and-play installation.
• Wide Compatibility — Fits multiple part numbers and Volvo truck models from 2004–2012, including FH, FM, and VNL series.
• Dual Control — Operates both power windows and door locks from the driver’s position for centralized convenience.
• Sealed Housing — Durable plastic construction protects against dust, moisture, and vibration in truck environments.
• No Programming Needed — Installs directly without software setup or dealership tools.
• Driver-Side Master — Controls all windows and locks, essential for fleet and long-haul operations.
• Cross-Reference Support — Compatible with 9 OEM part numbers including 20752918 and 21543897.

Who is labwork Master Window Switch 20752918 21543897 For Volvo Truck FH12 FH13 FM VNL for?

This switch is designed for Volvo truck owners, fleet maintenance teams, and DIY diesel technicians seeking an affordable, reliable replacement for worn or failed driver-side master switches. It’s ideal for use in long-haul, regional haul, and vocational trucks where consistent window and lock performance is critical for safety and convenience. Given its straightforward installation, it suits both professional mechanics and experienced owner-operators.

How does labwork Master Window Switch 20752918 21543897 For Volvo Truck FH12 FH13 FM VNL compare?

Compared to standard aftermarket window switches, this labwork unit offers superior fitment accuracy and broader model coverage due to its OEM-spec engineering. Unlike generic switches that may require trimming or adapter wiring, this version installs cleanly. It lacks backlighting found in some OEM units but delivers the core functionality needed for daily operation at a fraction of the dealer cost. When stacked against full electronic modules or smart switches, it remains a simpler, more cost-effective solution for basic power window and lock control in commercial truck cabins.