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Shibby Engineering tuner harness plug kit for GM Chevy Duramax diesel engines 2011-2023.

thedieseldudes

4.5 (123)

Tuner Harness Plug Kit | GM/Chevy 2011-2023 | Shibby Engineering

Name: thedieseldudes Tuner Harness Plug Kit | GM/Chevy 2011-2023 | Shibby Engineering - Tuner Harness Plug Kit | GM/Chevy 2011-2023 | Shibby Engineering
Brand: thedieseldudes
SKU: 42563745513516
Price: 169.0 USD
Availability: InStock
Rating: 4.6512 (33 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$169.00

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Color

Black

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Description

The Tuner Harness Plug Kit for 2011–2023 GM LML and L5P Duramax trucks caps off your exposed OEM EGR and DPF (Diesel Particulate Filter) harness connectors after a delete — keeping moisture, dirt, and debris out of the connectors now sittin...

Reviews

4.7

43 ratings

Good now

Just installed and so far I need some more miles on it. I could tell you that I am happy for sure. First thing other then it increased my fuel mileage.

Dan · 3 days ago

Great Kit

I got the full delete with the downpipe and 5" exhaust. The videos for the install made the job a lot easier and was able to do all work myself. I would definitely recommend this to everyone and love the tone and power that I got from it

Steven · April 6, 2026

Harness plug kit

Everything worked as intended, deisel dudes products are worth every penny!

Drew · May 21, 2026

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thedieseldudes

4.6 (4.2K)

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Description

Reviews

4.7

43 ratings

Good now

Just installed and so far I need some more miles on it. I could tell you that I am happy for sure. First thing other then it increased my fuel mileage.

Dan · 3 days ago