MAF Sensor Pigtail

Features:

• Direct fit for 2011-2016 6.6L Duramax
• Replaces GM 13579601 and AC Delco PT3345
• Includes six-inch pre-terminated pigtail
• High-quality heat-sealable butt connectors included
• Restores proper MAF sensor connection
• Fully automated manufacturing process
• Durable, OEM-quality construction
• Quick and easy to install
• Eliminates the need for full harness replacement
• Produced in-house by Fleece Performance

Restore Sensor Accuracy and Performance

If your 2011-2016 GM 6.6L Duramax is throwing codes or experiencing performance issues tied to the mass air flow (MAF) sensor, a worn or damaged connector could be the root cause. The Fleece FPE-HAR-DMAX-MAF-1116-PT MAF Sensor Pigtail provides a simple and effective solution to get your truck running like it should. Designed as a direct-fit replacement for worn or broken connectors, this pigtail restores proper sensor communication without the need to replace the entire engine harness. It comes pre-terminated with a six-inch lead and includes heat-sealable butt connectors, making installation quick and hassle-free, even in tight engine bay spaces. This pigtail replaces GM part number 13579601 and AC Delco PT3345, offering OEM-level fit and function without dealership pricing.

Durable Construction for Reliable Long-Term Use

Built by Fleece Performance with precision in-house manufacturing processes, this connector features fully automated wire cutting and terminal crimping to ensure consistent quality and long-term reliability. The materials are designed to withstand the harsh conditions under the hood, providing secure electrical connections that hold up to vibration, moisture, and temperature changes. Whether you’re chasing down a check engine light or just freshening up worn-out wiring during a larger repair, this MAF sensor pigtail offers an affordable and reliable fix. Backed by Fleece’s reputation for quality, this connector gets your truck back on the road with confidence, saving you time and keeping your Duramax performing as it should.

Fits: 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax

Application Note: Replaces GM 13579601 and AC Delco PT3345