These Shibby Engineering plug kits are designed to cap and seal unused factory electrical connectors that may remain on the vehicle harness after DPF/DEF system-related modifications. The purpose is to protect the OEM connectors from water, mud, road salt, dust, and corrosion, while keeping the harness looking clean and “finished” instead of leaving open connectors exposed.
What this kit does
Caps/seals unused OEM connectors related to DPF/DEF systems
Helps protect terminals from corrosion and contamination
Provides a cleaner, more professional harness finish
No cutting or splicing required — connector caps are matched to specific factory plugs
IMPORTANT: Vehicle info required
These kits are not universal. The correct plug set depends on the exact truck platform, year range, and engine configuration.
To ensure you receive the correct kit, you must provide:
VIN (preferred), or
Year / Make / Model / Engine
Kit Specifics
The kit you receive may vary from the photos shown.
Photos are examples only.
We will send the exact kit required based on the VIN/application information you provide.
Fitment
2008–2026 Ford Powerstroke
2011–2025 GM Duramax
2007–2024 Ram Cummins
2014–2019 Ram 1500 EcoDiesel
2014–2019 Jeep EcoDiesel
2016–2019 Nissan Titan XD 5.0L
Plus many more!
If your truck is close to these ranges or has a mid-year change, send the VIN so we can match it correctly.
Installation
Install is typically straightforward:
Locate the unused DPF/DEF-related connectors on the harness
Snap the matching cap/plug onto each connector until it fully seats/locks
Secure the harness routing as needed
Exact connectors and quantity vary by application.
