ACDelco Serpentine Belt Dual Alternator | 2017-2019

When it comes to maintaining your 2017-2019 GM HD truck with the L5P Duramax, reliability matters. That’s why at Merchant Automotive, we trust this genuine AC Delco OE serpentine belt in our own service department. Specifically designed for dual alternator setups, this belt is the exact part we choose for the trucks we service, ensuring consistent quality and performance.  This belt will fit the 150A and the 220A dual alternator equipped engines.

Made in the USA, this OEM-quality belt is built to handle the tough demands of heavy-duty trucks, providing the durability you need. Replacing your serpentine belt every 100,000 miles is crucial to keeping your truck running smoothly, preventing failures in key components like the alternators and power steering pump.  

Additionally, when replacing the serpentine belt, it’s a good idea to inspect or replace the tensioner and idler pulleys. These parts experience the same wear and tear, and ensuring they’re in top shape will help your new belt perform better and last longer.

Key Benefits:

• Chosen by Our Service Department: The exact AC Delco OE serpentine belt we use in-house at Merchant Automotive for quality and reliability.
• Genuine AC Delco OEM Quality: Manufactured in the USA and built to exceed factory specifications.
• Perfect Fit: Tailored for 2017-2019 GM HD trucks with the L5P Duramax and dual alternators.
• Critical Maintenance: Servicing your belt every 100,000 miles ensures your alternators, water pump, and power steering keep functioning at their best.
• Comprehensive Care: Inspect or replace your tensioner and idler pulleys during installation for maximum performance.
• Built Tough: Designed to withstand the rigors of heavy-duty work, this belt provides long-lasting durability.

By choosing this genuine AC Delco belt, you can trust that you're getting the same high-quality part we rely on at Merchant Automotive.