Mack 21401712 - Engine Wiring Harness

This harness is custom-built for your vehicle, so we need to make sure we get it right the first time!

Before you order:

• Please call us first. Our technical support team will confirm that this is the correct harness for your specific vehicle.
• Have your VIN ready. We'll use it to verify the part and ensure a perfect fit.

Important:

This is a custom, made-to-order item and is NON-RETURNABLE. Confirming the details with us first will help you avoid any delays or issues.

Features & Benefits

• Built to endure harsh conditions, including high temperatures and vibrations
• Guarantees reliable electrical connections for long-term performance
• Tested in both controlled lab settings and real-world conditions to verify they meet or surpass industry standards
• Engineered for Mack trucks, offering a perfect fit and optimal efficiency
• Provides consistent power distribution across the engine’s electrical components

Mack Engine Wiring Harness

The Mack Engine Wiring Harness is the pulse of your truck’s electrical system, connecting vital components with precision and durability. It ensures that power flows seamlessly throughout the engine, keeping all parts operating in harmony. Made to endure the toughest conditions, this harness is designed to resist wear and tear from constant vibrations and high temperatures, giving your truck the longevity it deserves. With the Mack 21401712 in place, you can trust that your vehicle’s electrical system will continue running with no issues, even on the longest and most grueling journeys. It’s about making sure your truck is always in peak condition, no matter what you throw at it.