Mack CH RD Speed & Tachometer Magnetic Sensor Dorman 505-5507 - DMTSS00002

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This speed & tachometer magnetic sensor is just what you need to get your vehicle in good working order again.


  • Brand New Dorman Speed & Tachometer Magnetic Sensor
  • Replaces dealer part number: 64MT412M
  • 2 Wire Dual Connector Plug
  • 2 Terminals per Connector
  • Direct replacement
  • Built to strict quality control standards

This sensor makes a great replacement and has good cost savings over a dealer unit.

Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Acrylonitrile, which is known to the State of California to cause cancer.  For more information, go to

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Year Make Model Description
1990Mack CH Mack CH Speed & Tachometer Magnetic Sensor with Dual Connectors Dorman 505-5507
1982-1990Mack RD Mack RD Speed & Tachometer Magnetic Sensor with Dual Connectors Dorman 505-5507
Only 1 left in stock
Part #: DMTSS00002

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 505-5507