# Fleece Performance 04.5-05 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtail

Replacement NSBU connector and 6" pigtail for 2004.5-2005 GM trucks equipped with Allison Transmission. Includes heat-sealable butt-style connectors. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need to get your truck back on the road quickly. Application Notes Fits 2004.5-2005 GM vans and trucks with the Allison 1000/2000 Series transmission Connects to Allison Transmission NSBU 29541852

This Part Fits:

Year

Make

Model

Submodel

2004-2005

Chevrolet

Silverado 2500 HD

Base

2004-2005

Chevrolet

Silverado 2500 HD

LS

2004-2005

Chevrolet

Silverado 2500 HD

LT

2004-2005

Chevrolet

Silverado 2500 HD

WT

2004-2005

Chevrolet

Silverado 3500

Base

2004-2005

Chevrolet

Silverado 3500

LS

2004-2005

Chevrolet

Silverado 3500

LT

2004

Chevrolet

Silverado 3500

WT

2004-2005

GMC

Sierra 2500 HD

Base

2004-2005

GMC

Sierra 2500 HD

SLE

2004-2005

GMC

Sierra 2500 HD

SLT

2004-2005

GMC

Sierra 2500 HD

WT

2004-2005

GMC

Sierra 3500

Base

2004-2005

GMC

Sierra 3500

SLE

2004-2005

GMC

Sierra 3500

SLT

2004-2005

GMC

Sierra 3500

WT

## Details

- **Price:** 119.31 CAD
- **Vendor:** Fleece Performance
- **Type:** Wiring Harnesses

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 119.31 CAD | In stock |

## Images

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/fleece-performance-04-5-05-gm-2500-3500-duramax-w-allison-transmission-nsbu-pigtail)
> Updated: 2026-06-27