Wehrli

Wehrli 04.5-2010 Duramax LLY/LBZ/LMM Crankcase Vent (PCV) Fitting Kit - Billet Black Anodized - WCF100189

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SKU:
WCFWCF100189
UPC:
WCF100189
MPN:
WCF100189
Availability:
Regularly stocked product
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MSRP: $47.50
$46.08
— You save $1.42
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Description

How long does the OEM plastic fitting last before it breaks?
OEM plastic fittings on PCV valves are known to become brittle and fail, often within a few years of engine operation.

What is the recommended installation type for this PCV reroute kit?
Professional installation is recommended for this PCV reroute kit to ensure proper assembly and leak-free performance.

The Wehrli PCV Reroute Kit is engineered for 2004-2010 Chevrolet Silverado and GMC Sierra models, offering superior durability with a 7/7 score for Daily Driving Comfort. Featuring black anodized CNC machined billet aluminum fittings and o-ring seals, this upgrade reliably replaces fragile plastic OEM components. Trust this kit for a leak-free crankcase ventilation system that enhances overall engine reliability.

Key Features

  • fragile plastic OEM fittings
  • black anodized CNC machined billet aluminum fittings
  • o-ring seals
  • Black anodized finish
  • 5/8 inch Hose Barb
  • Made in USA

Why Choose the WCF PCV Reroute Kit

Eliminates weak plastic failure for reliable engine operation.

Provides a robust, long-lasting connection for your engine.

Ensures a leak-free seal for optimal crankcase ventilation.

Delivers a premium look that complements your engine bay.

Who Is This For?

Daily Driving Comfort — 7/10
Replaces fragile plastic with durable aluminum fittings.

Heavy Towing — 8/10
Durable aluminum fittings enhance reliability under load.

Street Performance — 6/10
Improved durability of PCV system components.

Visual Aesthetic Upgrade — 7/10
Black anodized billet aluminum fittings offer a premium look.

Engine Performance — 5/10
Reliable PCV system contributes to consistent engine operation.

Easy DIY Install — 3/10
Install type is unknown, cannot confirm ease of installation.

Additional Resources

Official Wehrli Product Page

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Warranty Information

This Part Fits:

YearMakeModelSubmodel
2004-2005ChevroletSilverado 2500 HDBase
2005-2006ChevroletSilverado 2500 HDLS
2005-2010ChevroletSilverado 2500 HDLT
2007-2010ChevroletSilverado 2500 HDLTZ
2006-2010ChevroletSilverado 2500 HDWT
2007ChevroletSilverado 2500 HD ClassicLS
2007ChevroletSilverado 2500 HD ClassicLT
2007ChevroletSilverado 2500 HD ClassicWT
2004-2005ChevroletSilverado 3500Base
2004-2006ChevroletSilverado 3500LS
2004-2006ChevroletSilverado 3500LT
2004,2006ChevroletSilverado 3500WT
2007ChevroletSilverado 3500 ClassicLS
2007ChevroletSilverado 3500 ClassicLT
2007ChevroletSilverado 3500 ClassicWT
2007-2010ChevroletSilverado 3500 HDLT
2007-2010ChevroletSilverado 3500 HDLTZ
2007-2010ChevroletSilverado 3500 HDWT
2004-2005GMCSierra 2500 HDBase
2006GMCSierra 2500 HDSL
2004-2010GMCSierra 2500 HDSLE
2004-2010GMCSierra 2500 HDSLT
2004-2010GMCSierra 2500 HDWT
2007GMCSierra 2500 HD ClassicSL
2007GMCSierra 2500 HD ClassicSLE
2007GMCSierra 2500 HD ClassicSLT
2007GMCSierra 2500 HD ClassicWT
2004-2005GMCSierra 3500Base
2006GMCSierra 3500SL
2004-2006GMCSierra 3500SLE
2004-2006GMCSierra 3500SLT
2004-2006GMCSierra 3500WT
2007GMCSierra 3500 ClassicSL
2007GMCSierra 3500 ClassicSLE
2007GMCSierra 3500 ClassicSLT
2007GMCSierra 3500 ClassicWT
2007-2010GMCSierra 3500 HDSLE
2007-2010GMCSierra 3500 HDSLT
2007-2010GMCSierra 3500 HDWT
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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
WCF100189
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Engine Components>PCV Valves
Product Level:
Mid Range
Daily Driving Comfort:
7/10
Heavy Towing:
8/10
Street Performance:
6/10
Visual Aesthetic Upgrade:
7/10
Engine Performance:
5/10
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