Differential Lock Switch for Volvo F10, F12, F16, FL10 | OE 1594045 / 3962939

Volvo Differential Lock Switch – Premium Replacement for F & FL Series

Restore the off-road and traction capabilities of your classic Volvo truck with our high-durability Differential Lock Switch. As a dedicated sensor manufacturer, we’ve engineered this switch to provide the same tactile feedback and electrical reliability as the original factory component.

This switch is specifically designed for the rugged environments of the Volvo F and FL truck series, ensuring that your differential locking system engages and disengages reliably under heavy loads.

Key Features:

• OEM Specification Match: Built to the exact dimensions and electrical parameters of Volvo OE 1594045 and 3962939.

• Heavy-Duty Construction: Impact-resistant housing and high-conductivity internal contacts for long service life.

• Plug-and-Play Installation: Correct pin configuration for a fast, hassle-free replacement in the dashboard or center console.

• Proven Durability: Tested for high-cycle switching to ensure it won’t fail when you need traction most.

Vehicle Application List

This Differential Lock Switch is compatible with the following heavy-duty Volvo truck models:

• Volvo F Series (1976 – 1995):

  • Volvo F10

  • Volvo F12

  • Volvo F16 (1987 – 1995)

• Volvo FL Series (1985 – 1998):

  • Volvo FL10

  • Volvo FL12 (1995 – 1998)

OE Cross-Reference Numbers

Verify your part number against the list below for guaranteed fitment: