17MT4107M | Mack Electric Tachometer | OEM 25057931 | New Genuine NOS

New Genuine Mack 17MT4107M (New Genuine NOS) — OEM electric tachometer designed to provide accurate engine RPM monitoring in compatible Mack truck dashboard and instrument cluster applications. Cross-referenced with OEM part number 25057931 for direct replacement or restoration of factory gauge systems.

In stock and ready to ship from Discount Parts Exchange (DPX) in Mansfield, Ohio.

Call to confirm availability: 419-522-3320

Key Specifications

• Part Number: 17MT4107M
• Manufacturer: Mack
• Type / Model: Electric Tachometer
• System: Instrumentation / Dashboard Gauge
• Function: Monitors diesel engine RPM through compatible Mack electrical and instrument systems
• Condition: New Genuine (NOS)
• Warranty: Sold As-Is, No Warranty
• Alternate Part Number: 25057931
• Gauge Type: Electric engine RPM tachometer

Applications & Fitment

Fits select Mack truck dashboard and instrument cluster applications requiring electric tachometer 17MT4107M or OEM reference 25057931.

• Mack heavy-duty truck dashboards
• Mack instrument cluster replacement applications
• Diesel engine RPM monitoring systems
• Factory gauge restoration and service applications

Important: Always verify part number, gauge dimensions, electrical connector style, RPM range, dash layout, and cluster compatibility before ordering or installation.

What’s Included

• 1 × Mack Electric Tachometer – 17MT4107M / 25057931
• OEM tachometer gauge as supplied
• Mounting hardware / fittings not included unless noted

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Shipping / Location

• Ships from our Mansfield, Ohio warehouse (419-522-3320)
• Parcel shipping available
• Warehouse Bin Location: DPX_OH_BR549_MACK

Heavy-Duty Solutions — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).