40635 | Eaton / Dana-Spicer 12V 2-Speed Diff Lock Motor | New OEM (NOS)

40635 Eaton Dana 2-Speed Motor | 12V Electric Diff Lock | 113743 | Fasco 2807-508-021 | New Genuine NOS

Product Summary:
40635 (also referenced as 040635) is a new old stock (NOS) genuine Eaton / Dana-Spicer 2-speed electric shift motor, designed to operate 2-speed differentials using the 113743 diff lock assembly. This 12V electric motor is a direct OEM replacement, built to power axle-mounted differential lock engagement mechanisms. Cross-referenced with Fasco 2807-508-021, this motor is trusted for reliable electric actuation in heavy-duty drivetrains.

Specs & Features:
• Part Number(s): 40635 / 040635
• Manufacturer: Eaton / Dana-Spicer
• Voltage: 12V
• Type: 2-Speed Differential Lock Electric Shift Motor
• Cross Reference:
 – Eaton Diff Lock: 113743
 – Fasco: 2807-508-021
• Condition: New Genuine (NOS)
• Function: Electrically actuates 2-speed axle differential lock

What's Included:
• (1) Eaton / Dana 12V Electric Shift Motor – Part #40635

Fitment Notes:
• Designed for 2-speed axles using Eaton 113743 diff lock
• 12V version – confirm voltage compatibility before ordering
• OEM component for reliable service in electric diff lock systems

Image Disclaimer:
Photos may show actual product or equivalent. NOS items may show minor discoloration or wear from storage.

Warranty Policy:
This NOS electrical part is sold as-is with no warranty expressed or implied.

Location:
Ships from our warehouse in Ohio.
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