Shibby Tuner Harness Plug Kit (2016–2019 GM Duramax LWN 2.8L)

Protective harness cap kit for tuned or optimized trucks. Provides weatherproof, factory-style caps to seal exposed exhaust and select EGR harness connectors when components are removed or inactive.

Overview

The base kit supplies weatherproof caps with factory-style interfaces to protect all exhaust and some EGR harness components on 2016–2019 GM LWN 2.8L trucks. Intended as a protective solution for tuned or optimized vehicles — not a tuning device.

Key Details

• Weatherproof caps with factory-style interfaces.
• Protects exhaust harness connectors and select EGR harness components.
• Designed for use on tuned or optimized trucks to prevent moisture, debris, and corrosion.
• Base kit; DEF tank components and SOTF tuning caps are not included.

Compatibility

2016–2019 GM Duramax LWN 2.8L

What’s Included

Base kit with weatherproof caps and factory-style interfaces for exhaust and select EGR harness connectors.

Notes

Does NOT cover vehicles with the EGR fully installed, DEF tank components, or SOTF tuning caps. Those parts can be purchased separately in the store.

Why Choose Dieselr?

Clear fitment. Parts verified for compatibility. Technical support for installers and dealers. Fast access to add-ons and replacement caps when required.