AutoMeter Fuel Rail Adapter

For use with electric fuel pressure gauges, 2011–2025 Subaru Forester / Subaru Impreza / Toyota Corolla 1.8L

Part #: 3280

Overview

The AutoMeter Fuel Rail Adapter is a high-quality component designed to facilitate the installation of electric fuel pressure gauges on your vehicle's fuel rail. Crafted from durable zinc-coated steel, this adapter ensures reliable performance and resistance to corrosion, making it an essential accessory for enthusiasts who want to monitor their fuel system accurately. Whether you're tuning your vehicle for increased performance or simply want to keep an eye on your fuel pressure, this adapter provides a secure and precise connection.

Ideal for both daily drivers and performance enthusiasts, this adapter allows you to easily connect electric fuel pressure senders to your fuel rail without the need for complex modifications. Its robust construction and precise threading ensure a leak-free fit, giving you confidence during high-performance driving or routine maintenance. If you're upgrading your fuel system or installing aftermarket gauges, this adapter is a perfect choice to ensure a seamless integration.

Key Features

Designed with functionality and durability in mind, the AutoMeter Fuel Rail Adapter offers several key features:

• Manufactured from high-quality zinc-coated steel for excellent corrosion resistance and longevity.
• Precisely machined to ensure a secure, leak-free connection between your fuel rail and electric pressure senders.
• Features a 1/16" NPT male thread to 1/8" NPT female thread, compatible with a wide range of electric fuel pressure gauges and senders.
• Easy to install with standard NPT threading, requiring no special tools or modifications.
• Ideal for use in performance applications, custom builds, or routine diagnostics where accurate fuel pressure monitoring is critical.
• Compatible with various vehicle makes and models, including Subaru, Toyota, Honda, and others with similar fuel rail configurations.
• Designed to withstand the rigors of high-performance environments, ensuring consistent readings and reliable operation.
• Manufactured by AutoMeter, a trusted name in automotive gauges and accessories, guaranteeing quality and precision.

Construction & Design

The AutoMeter Fuel Rail Adapter is constructed from high-quality zinc-coated steel, providing excellent durability and corrosion resistance. Its precise machining ensures a perfect fit with standard NPT threads, minimizing the risk of leaks. The adapter's compact design allows for easy installation in tight engine bays, making it suitable for a variety of vehicle configurations. The zinc coating not only protects against rust but also enhances the overall longevity of the component, even in demanding environments.

The adapter's design features a 1/16" NPT male thread on one end and a 1/8" NPT female thread on the other, enabling seamless integration between your fuel rail and electric fuel pressure gauges. Its robust construction ensures that it can withstand the vibrations and temperature fluctuations typical of high-performance driving, providing consistent and accurate fuel pressure readings over time.

Performance & Sound

While this adapter does not directly influence engine performance or sound, it plays a crucial role in enabling accurate fuel pressure monitoring. Proper installation ensures that your gauges provide reliable data, which can be vital for diagnosing issues or tuning your vehicle for optimal performance. Its high-quality construction helps maintain consistent readings, supporting your efforts to maximize power, efficiency, and drivability.

Installation & Fitment

The AutoMeter Fuel Rail Adapter is designed for straightforward, bolt-on installation. It threads directly into your fuel rail's existing port, requiring only standard hand tools and a wrench for secure tightening. No cutting, drilling, or complex modifications are necessary. Its compatibility with common NPT threads makes it suitable for a wide range of vehicles, including Subaru, Toyota, Honda, and others with similar fuel rail configurations. Always ensure that the threads are clean and properly lubricated before installation to achieve a tight, leak-free connection.

• Simply thread the adapter into your fuel rail's port.
• Connect your electric fuel pressure sender or gauge to the 1/8" NPT female end.
• Ensure all connections are tight and secure to prevent leaks.

What's Included

• AutoMeter Fuel Rail Adapter with 1/16" NPT male to 1/8" NPT female threads
• Installation instructions

Ideal For

• Performance enthusiasts upgrading or tuning their fuel systems
• DIY mechanics installing aftermarket fuel pressure gauges
• Vehicle owners seeking accurate fuel pressure monitoring for diagnostics
• Custom builds and race cars requiring reliable, high-quality adapters

Emissions Note

This product is designed for use in non-emissions-critical applications. Always verify local regulations before installation. This adapter is intended for off-road or racing use only and may not be legal for street use in all jurisdictions.