Fuel Rail Adapter

The Fuel Rail Adapter by AutoMeter (MPN 3280) is a precision instrumentation fitting designed for mechanics and automotive enthusiasts who need to integrate fuel pressure gauges or custom monitoring systems into OEM or modified fuel rail assemblies. This compact adapter serves as a critical bridge between your fuel system and diagnostic equipment, allowing real-time fuel pressure monitoring without permanently altering factory fuel delivery components.

Engineered to AutoMeter's exacting standards, the Fuel Rail Adapter is constructed from durable materials that ensure a secure, leak-free seal. Its compact footprint (3 × 0.95 × 3.8 inches) and lightweight design (0.05 lbs) allow for discreet integration into engine bays with minimal packaging interference. The precision-machined threads ensure compatibility with standard fuel rail ports and common gauge fittings, eliminating the need for custom fabrication or adapter chains that can introduce additional leak points.

This adapter is essential for anyone performing fuel system diagnostics, engine tuning, or custom gauge installations on street cars, race vehicles, or engine swaps. Technicians rely on it to validate fuel pressure curves during idle and cruise conditions, making it a valuable tool for performance tuning and diagnostics.