20991438 Volvo Mack Control Unit | VO20991438 TSM1-A Tach Signal Module | New Genuine OEM

20991438 Volvo Mack Control Unit | VO20991438 TSM1-A Tach Signal Module | New Genuine OEM

Product Summary:
20991438 is a genuine OEM Volvo / Mack control unit labeled as a TSM1-A Tach Signal Module. This 12V control unit is marked with Revision 1.2 and model ID VGM TSM1-A. It is designed to regulate and interpret tachometer signals in select Volvo and Mack truck systems. This is a new, unused OEM part, ideal for replacement or system restoration.

Specs & Features:
• Part Number: 20991438
• Tag Details:
 – VO20991438
 – TSM1-A (Tach Signal Module)
 – Revision: 1.2
 – Voltage: 12V
 – Model Code: VGM TSM1-A
• Condition: New Genuine OEM
• Manufacturer: Volvo / Mack
• Application: Tach signal processing and control in heavy-duty truck electrical systems

What's Included:
• (1) Control Unit – VO20991438 / 20991438

Fitment Notes:
• Designed for use in specific Volvo and Mack truck platforms
• Verify part number and voltage requirements before purchase

Image Disclaimer:
Images may show the actual item or a representative equivalent. NOS parts may exhibit minor cosmetic wear from storage.

Warranty Policy:
This OEM product is sold as-is with no warranty expressed or implied.