Shibby 6.6L GM LML / LGH DEF Tank Connector (2011–2016 GM Duramax LML LGH 6.6L)

Weather-sealed DEF tank harness plug designed to protect the vehicle-side harness on underbody DEF tanks. Use this plug when DEF components are removed, exposed, or at risk of moisture and debris intrusion.

Overview

This Shibby DEF tank connector is a factory-style, weather-sealed plug that protects the harness beneath the truck from water and road debris. It preserves the vehicle harness interface and helps prevent corrosion and damage to the ECM wiring when DEF parts are absent or exposed.

Key Details

• Weather-sealed, factory-style harness plug designed for DEF tank application
• Protects underbody vehicle harness from water, dirt, and road debris
• Prevents moisture and corrosion on vehicle-side connector when DEF components are removed or inactive
• Fits the DEF tank harness interface used on applicable GM Duramax trucks

Compatibility

Fits 2011–2016 GM Duramax 6.6L with LML and LGH engine codes (6.6L).

What’s Included

• One 6.6L GM LML/LGH DEF tank harness plug (weather-sealed factory-style connector)

Why Choose Dieselr?

Clear fitment details. Expert diesel support. Fast domestic shipping and straightforward returns. We vet vendors and verify fitment so you get the right DEF tank connector for your truck.