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Wehrli S400 Compressor Outlet O-Ring Seal

Wehrli · New

Wehrli S400 Compressor Outlet O-Ring Seal

MPN WCF203-21 · Store SKU wcfWCF203-21

$1.99
IN STOCK2 ready to ship

Supplier stock checked 11/7/2026, 9:03:37 AM UTC. Adding a part does not reserve it.

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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

Replacement O-Ring for S400 Compressor outlet flanges. Used with the following WCFab products: LB7 Duramax S400 Single Turbo Install Kit (WCF100489), 2004.5-2007 5.9L Cummins S400 High Mount 2nd Gen Swap Kit (WCF100486), 2003-2007 5.9L Cummins S400/Stock Twin Turbo Kit (WCF100567), 2003-2007 5.9L Cummins S400/S400 Side by Side Compound (Twin) Turbo Kit (WCF100580) Wehrli Custom Fab O-Ring Seal, S400 COMPRESSOR OUTLET O-Ring Seal, S400 COMPRESSOR OUTLET

Manufacturer fitment & guides

Check WCF203-21 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
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