GMC Sierra 3500HD Wiring Harness - Fleece Performance - Multiuse Sensor Pigtail No. 11 - `01-`16 is a direct-fit sensor pigtail designed for GM 2500/3500 Duramax applications. This replacement pigtail provides a factory-style connection for sensors on 2001–2016 models, helping simplify wiring repairs and upgrades.

Built to Fleece Performance specifications, this multiuse sensor pigtail No. 11 replicates the OEM connector shape and pin configuration so it mates with existing sensor plugs without modification. The harness uses durable insulation and quality terminals to resist heat and road conditions commonly encountered on diesel trucks. It’s intended for enthusiasts and technicians who want a reliable, straightforward replacement part that minimizes cutting and splicing while maintaining proper electrical continuity.

Features

• Direct-fit for GM 2500/3500 Duramax sensor applications (2001–2016)
• OEM-style connector and pin configuration for plug-and-play installation
• Quality terminals and durable insulation for heat and environment resistance
• Multiuse design supports a variety of sensor locations and repair needs

If you have questions or want help confirming fitment, call us directly — we’re happy to assist. We offer installation and customization services at our two locations in Austin, Texas and the Los Angeles, California area. 512-982-9393 (TX) | 562-981-6800 (CA)

If you’re considering multiple items, contact us about shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov