# Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

Kit to remove the the High Pressure Fuel Relief Valve located on top of an LB7 intake runner to clear larger Y-bridges.

-   Stainless Block off Plug
-   5/16" Brass Tee Fitting
-   5/16" Fuel Line
-   Hose Clamps

This Part Fits:

Year

Make

Model

Submodel

2001-2004

Chevrolet

Silverado 2500 HD

Base

2001-2004

Chevrolet

Silverado 2500 HD

LS

2001-2004

Chevrolet

Silverado 2500 HD

LT

2004-2005

Chevrolet

Silverado 2500 HD

WT

2001-2004

Chevrolet

Silverado 3500

Base

2001-2004

Chevrolet

Silverado 3500

LS

2001-2004

Chevrolet

Silverado 3500

LT

2004

Chevrolet

Silverado 3500

WT

2002-2004

GMC

Sierra 2500 HD

Base

2001-2002

GMC

Sierra 2500 HD

SL

2001-2004

GMC

Sierra 2500 HD

SLE

2001-2004

GMC

Sierra 2500 HD

SLT

2003-2004

GMC

Sierra 2500 HD

WT

2002-2004

GMC

Sierra 3500

Base

2001-2002

GMC

Sierra 3500

SL

2001-2004

GMC

Sierra 3500

SLE

2001-2004

GMC

Sierra 3500

SLT

2004

GMC

Sierra 3500

WT

## Details

- **Price:** 126.1 CAD
- **Vendor:** Wehrli
- **Type:** Fuel Components Misc

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 126.10 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Mounted
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-01-04-chevrolet-6-6l-lb7-duramax-fuel-pressure-relief-valve-delete-kit)
> Updated: 2026-07-07