MACK part description

WIRES (20959747)

Features & Benefits

  • Features precision-engineered connectors to handle tough electrical demands
  • Resists wear from friction, heat, and moisture to keep connections intact
  • Simplifies complex electrical layouts with its user-friendly design
  • Optimized for seamless integration into Mack engine systems

Mack Engine Wiring Harness

What’s the one thing that keeps every electrical system in your engine alive? That’s right, the Mack Engine Wiring Harness—your truck’s silent powerhouse. This crucial part keeps all electrical connections secure, ensuring your truck’s system—from sensors to lights—runs smoothly. Without it, you’re just left in the dark, literally. Whether it’s a simple engine light or the power to your heavy-duty components, the Mack 21401715 keeps your truck’s electrical system intact, running at full potential. When you need reliability from start to finish, you can trust Mack to keep the wires where they belong, powering your vehicle without a hitch.

Mack trucks are built to last, but when the time for repair and maintenance comes it’s strongly recommended to use genuine Mack® components. Designed and manufactured according to strict OEM specifications, Mack parts offer the same engineering and performance as their stock equivalent. This ensures a seamless fit, smooth installation, and reliable operation overall. Mack offers a wide range of genuine parts, including engine, exhaust, transmission, cab, and body parts and accessories. It also offers remanufactured components that offer the same good-as-new quality at a more accessible price range. All genuine Mack parts are tested in both the laboratory and field environments to ensure they meet or exceed industry standards.

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