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Specifically engineered for versatility
The intercooler design reduces pressure drop while cooling charged air
The answer to this issue
Breaking parts in your Duramax sucks
or full engine resealing when the cylinder head gaskets are being reused or replaced separately
Wehrli Custom Fab Coolant Plug 1.1" Bore 11-19 GM 6.6L Duramax CS-FEXP25-73 Specifically engineered for versatilityThe WCFab Duramax Coolant Plug is a simple and effective solution for sealing unused coolant ports on your Duramax diesel engine. Precision CNC machined from billet aluminum and finished with a durable black anodized coating, this plug provides a clean, leak free seal while adding a professional look to your engine bay. Designed for Duramax engine covers with a 1. 1 inch bore, this plug installs easily and includes a high temperature silicone O ring
