# Wehrli 01-04 Chevrolet Duramax LB7 4in Intake Kit - Gloss White

WCFab 2001-2004 GM LB7 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine performance. All new design significantly increases air flow to your turbo producing improved horsepower and torque, quicker throttle response, and cooler intake temperatures by drawing cold air through the inner fender. All aluminum construction features large diameter 4" piping with smooth aerodynamic bends to improve intake air velocity, volume, and provide more aggressive engine and turbo sound during acceleration. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure optimum durability and ease of installation. Removable air box lid elementallows for easy visual inspection and maintenance of your WCFab filter with included hydrophobic pre-filter cover, to help keep your MAF sensor, turbo, and engine airways contaminant free. Full assembly finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck.

-   Silicone Boot & Stainless Steel T-Bolt Clamps
-   Installs Easily with Basic Hand tools
-   Includes Installation Hardware
-   Outerwear's Pre-Filter Cover
-   No Tuning Required, Bolt On!
-   Custom powder coat finish
-   Air Box with Lid
-   4" Intake Pipe
-   Dry Air Filter
-   Made in USA

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

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:** 774.09 CAD
- **Vendor:** Wehrli
- **Type:** Cold Air Intakes

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 774.09 CAD | In stock |

## Images

- Photo - Primary
- User 4
- User 1
- User 2
- User 1
- User 3
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-01-04-chevrolet-duramax-lb7-4in-intake-kit-gloss-white)
> Updated: 2026-07-07