Description
When mixing AN and NPT systems in your fuel, oil, or coolant lines, you need a fitting that won’t leak under pressure. This Allstar Performance adapter bridges the gap between -4 AN and 3/8″ NPT connections with precision-engineered reliability. The 45-degree angle design fits tight engine bay layouts while the black anodized aluminum construction resists corrosion and provides a clean finish.
- 4 AN male to 3/8″ NPT male
- 45-degree orientation
- Black anodized aluminum
- CNC-machined for precision fitment
- Bolt-on installation
- Single adapter unit
- Universal application






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