Wehrli Custom Fabrication 2004.5-2010 LLY/LBZ/LMM Duramax Billet Crankcase Vent (PCV) Fitting Kit, Black Anodized - WCF100189

- Kit includes two CNC machined billet aluminum fittings with o-ring seals.
- 5/8" Hose Barb
- Black anodized finish
- Made in USA
- No tuning required!
Replace the fragile plastic OEM fittings on the top of your 2004.5-2010 LLY/LBZ/LMM Duramax engine which are prone to damage with these high quality, black anodized, CNC machined billet aluminum fittings from WCFab. No tuning required.