Wehrli · New
Wehrli WCFab LBZ/LMM Duramax Y-Bridge Inlet 2-Piece O-Ring Seal
MPN WCF203-90 · Store SKU wcfWCF203-90
Supplier stock checked 11/7/2026, 4:21:25 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
O-ring for sealing surface of inlet pipe on LBZ/LMM Cast Two-Piece Y-bridge. Used on the following WCFab kits: 2006-2010 LBZ/LMM Y-Bridge (WCF100235), 2006-2007 LBZ Y-Bridge Kit (WCF100163), 2007.5-2010 LMM Y-Bridge Kit (WCF100164), 2006-2007 LBZ Stage 1 High Flow Bundle Kit (WCF100323), 2006-2007 LBZ Stage 2 High Flow Bundle Kit (WCF100437), 2006-2007 LBZ Stage 3 High Flow Bundle Kit (WCF100503), 2007.5-2010 LMM Stage 1 High Flow Bundle Kit (WCF100324), 2007.5-2010 LMM Stage 2 High Flow Bundle Kit (WCF100438), 2007.5-2010 LMM Stage 3 High Flow Bundle Kit (WCF100504) Wehrli Custom Fab O-Ring Seal, WCFab Y-BRIDGE INLET - LBZ/LMM DURAMAX TWO-PIECE O-Ring Seal, WCFab Y-BRIDGE INLET - LBZ/LMM DURAMAX TWO-PIECE
Manufacturer fitment & guides
Check WCF203-90 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
