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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Wehrli
Wehrli Custom Fab S400 Compressor Outlet O-Ring Seal (5.9L) WCF203-21
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
The Wehrli Custom Fab WCF203-21 is a precision replacement O-ring seal designed specifically for Borg Warner S400 turbocharger compressor cover outlet v-band flanges. This seal ensures a reliable, airtight connection at the compressor discharge, preventing boost leaks that can degrade engine performance and turbocharger efficiency.
This O-ring is a direct replacement for seals used in various WCFab turbocharger systems, including single turbo installs and compound turbo configurations for Cummins and LB7 Duramax applications.
- Fits Borg Warner S400 compressor cover outlet v-band flanges
- Maintains critical seal at the turbocharger discharge point
- High-temperature resistant material for turbocharger environments
- Manufacturer Part Number: WCF203-21
Direct Replacement for the following WCFab Kits:
- 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 Turbo Kit (WCF100580)
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Wehrli Custom Fab S400 Compressor Outlet O-Ring Seal (5.9L) WCF203-21
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
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The Wehrli Custom Fab WCF203-21 is a precision replacement O-ring seal designed specifically for Borg Warner S400 turbocharger compressor cover outlet v-band flanges. This seal ensures a reliable, airtight connection at the compressor discharge, preventing boost leaks that can degrade engine performance and turbocharger efficiency.
This O-ring is a direct replacement for seals used in various WCFab turbocharger systems, including single turbo installs and compound turbo configurations for Cummins and LB7 Duramax applications.
- Fits Borg Warner S400 compressor cover outlet v-band flanges
- Maintains critical seal at the turbocharger discharge point
- High-temperature resistant material for turbocharger environments
- Manufacturer Part Number: WCF203-21
Direct Replacement for the following WCFab Kits:
- 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 Turbo Kit (WCF100580)
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