# Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - WCFab Grey

The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck replaces the factory plastic two piece pipe with a high flow, 14 ga. aluminum one piece 3.5" pipe. - - This part uses a CNC machined flange with a double o-ring seal and an upgraded silicone boot in order to withstand higher boost pressures than the factory components to increase reliability and eliminate blown factory boots and horsepower-robbing boost leaks. This pipe is compatible with stock trucks requiring no additional modifications, upgrades, or tuning for installation. - - Replaces the following GM Part Numbers: 84189332

-   OEM Clip Ring Design replaced by high quality silicone boot and stainless steel t-bolt clamps for improved sealing and ability to hold higher boost pressures without leaking
-   CNC Machined Flange with Double O-Rings provides an improved sealing surface to eliminate boost leaks.
-   Includes o-ring seals and new wire clip for intercooler outlet connection
-   Will fit on stock truck no other modifications or upgrades necessary!
-   Incorporated threaded bung to reinstall OEM Intake Temperature Sensor
-   Includes high quality silicone boot and stainless steel t-bolt clamps
-   3.5 in. Cold Side Intercooler Pipe
-   NO Tuning required, bolt on!
-   Durable Powder Coat Finish

This Part Fits:

Year

Make

Model

Submodel

2017-2019

Chevrolet

Silverado 2500 HD

High Country

2017-2019

Chevrolet

Silverado 2500 HD

LT

2017-2019

Chevrolet

Silverado 2500 HD

LTZ

2017-2019

Chevrolet

Silverado 2500 HD

WT

2017-2019

Chevrolet

Silverado 3500 HD

High Country

2017-2019

Chevrolet

Silverado 3500 HD

LT

2017-2019

Chevrolet

Silverado 3500 HD

LTZ

2017-2019

Chevrolet

Silverado 3500 HD

WT

2017-2019

GMC

Sierra 2500 HD

Base

2017-2019

GMC

Sierra 2500 HD

Denali

2017-2019

GMC

Sierra 2500 HD

SLE

2017-2019

GMC

Sierra 2500 HD

SLT

2017-2019

GMC

Sierra 3500 HD

Base

2017-2019

GMC

Sierra 3500 HD

Denali

2017-2019

GMC

Sierra 3500 HD

SLE

2017-2019

GMC

Sierra 3500 HD

SLT

## Details

- **Price:** 497.09 CAD
- **Vendor:** Wehrli
- **Type:** Intercooler Pipe Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 497.09 CAD | In stock |

## Images

- Photo - Primary
- User 1
- User 1
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-17-19-chevrolet-6-6l-l5p-duramax-passenger-side-3-5in-intercooler-pipe-wcfab-grey)
> Updated: 2026-07-03
