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(888) 312-8812 Login SignupA vehicle’s electrical system is its nervous system, transmitting signals and powering critical components. The Mack Engine Wiring Harness is meticulously designed for Volvo and Mack engines, guaranteeing flawless communication between the engine control unit and various sensors. Constructed with high-grade materials, it offers superior resistance to heat, moisture, and abrasion. What’s more, its OEM design guarantees an exact fit and simplifies installation. Beyond functionality, the Mack 21555873 prevents electrical malfunctions that could lead to engine misfires or breakdowns.
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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