PROFLOW 10 - 08BK 5/8 BARB TO 3/8 NPT BLACK PFE841

A high-quality adapter that transitions from a 5/8″ hose barb to a 3/8″ NPT male thread—perfect for coolant, breather, and low-pressure fuel applications in performance and custom builds. Key Features & Benefits Precision-machined aluminum construction – lightweight, strong, and durable. Black anodized finish – provides corrosion resistance and a professional look. Leak-free sealing – when installed with proper thread sealant or PTFE tape.