1 1

Shibby Engineering

Duramax Harness Plug Kit | 2024-2026 Duramax 6.6L

Duramax Harness Plug Kit | 2024-2026 Duramax 6.6L

GML5P24

$152.50 USD

SELECT FITMENT

See If This Product Fits Your Vehicle

While many of our products are stocked in our warehouse, inventory levels can change quickly. If you need to confirm availability before placing your order, please call or text 970-778-0792.

This protective plug kit is designed for tuned or optimized GM Duramax trucks where exhaust or EGR harness connectors are left exposed after modifications. It provides a simple, effective solution to protect factory connectors from environmental damage.

Overview:

The base tuner harness plug kit includes weatherproof caps with factory-style interfaces to protect exhaust harness connectors and select EGR components. This is a protective solution for exposed connectors — not a tuning device.

Key Details:

  • Weatherproof harness caps with factory-style interfaces
  • Protects exhaust harness connectors and selected EGR components
  • Seals against moisture, debris, and corrosion
  • Designed for tuned or optimized applications

Compatibility:

  • 2024–2026 GM Duramax 6.6L
  • Compatible with L5P and L5D engine platforms

What's Included:

  • Base kit with weatherproof caps for exhaust and select EGR harness connectors

Notes:

  • Will NOT cover vehicles with full EGR systems still installed
  • Does NOT include coverage for DEF tank components
  • Does NOT include CAN piggyback plugs
  • Not compatible with vehicles using SOTF tuning caps
View full details