AutoMeter Pressure Switch

2010–2025 Universal Application for Automotive and Performance Systems

Part #: 3243

Overview

The AutoMeter Pressure Switch 50PSI 1/8in NPTF Male is a high-quality, reliable component designed to enhance your vehicle's instrumentation system. Perfect for performance enthusiasts and professional tuners alike, this switch allows you to monitor critical pressure levels within your vehicle's systems, providing an extra layer of safety and awareness. Whether you're outfitting a custom build, upgrading your existing setup, or integrating a warning system, this pressure switch ensures you stay informed about vital pressure conditions.

Designed for use with AutoMeter's Pro-Lite warning lamps, this switch helps you quickly identify pressure drops or rises that could indicate potential issues. Its compact size and robust construction make it suitable for a variety of applications, including turbocharged systems, oil pressure monitoring, or other critical fluid pressure measurements. With this switch, you'll get precise activation at your specified pressure threshold, supporting your efforts to optimize performance and maintain reliability under demanding conditions.

Key Features

AutoMeter's Pressure Switch combines durability, precision, and ease of installation to deliver dependable performance in a compact package. Its key features include:

• High-Quality Construction: Crafted from durable materials to withstand harsh engine bay environments and resist corrosion over time.
• Precise Activation Point: Closes at pressures of 50 PSI and lower, providing accurate signaling for low-pressure conditions.
• Reliable Operation: Opens at pressures of 52 PSI and higher, ensuring consistent performance during pressure fluctuations.
• Standard Fitting: 1/8 inch NPTF male thread allows for easy installation into a wide range of pressure ports and fittings.
• Compact Size: Measures 2 inches by 1 inch, making it suitable for tight spaces within your engine bay or custom setups.
• Compatibility: Designed to work seamlessly with AutoMeter's Pro-Lite warning lamps, enabling quick visual alerts for critical pressure conditions.
• Versatile Use: Ideal for monitoring oil pressure, boost pressure, or other fluid systems where pressure thresholds are critical.

Construction & Design

The AutoMeter Pressure Switch features a rugged, corrosion-resistant body constructed from high-quality materials to ensure longevity and reliable operation in demanding automotive environments. Its 1/8 inch NPTF male thread provides a secure, leak-proof connection to your vehicle's pressure ports. The switch's compact dimensions—2 inches in length and 1 inch in width—allow for flexible installation in tight spaces, making it suitable for a variety of applications.

The internal mechanism is engineered for precise pressure sensing, closing at 50 PSI and lower, then opening at 52 PSI and higher. This hysteresis helps prevent rapid cycling and false alarms, ensuring your warning system activates only when necessary. The switch's design emphasizes durability, with robust internal components that resist vibration, heat, and corrosion, maintaining consistent performance over time.

Performance & Functionality

This pressure switch is engineered to provide dependable activation for your warning systems, helping you maintain optimal vehicle operation. Its precise pressure thresholds support effective monitoring of critical systems such as oil pressure, boost pressure, or other fluid pressures. When integrated with AutoMeter's Pro-Lite warning lamps, it offers a clear visual alert when pressure drops below or rises above set levels, enabling prompt action to prevent damage or failure.

Installation & Fitment

Installing the AutoMeter Pressure Switch is straightforward and requires no special tools beyond standard wrenches. Its 1/8 inch NPTF male thread threads directly into compatible pressure ports on your vehicle or aftermarket components. No cutting, drilling, or complex modifications are necessary, making it a user-friendly upgrade for both professional installers and DIY enthusiasts. Once installed, connect the switch to your warning lamp circuit, and you're ready to monitor critical pressure levels effectively.

• Simply screw the switch into the designated pressure port.
• Connect the spade terminal to your warning lamp circuit.
• Ensure proper sealing to prevent leaks.

What's Included

• AutoMeter Pressure Switch 50PSI 1/8in NPTF Male
• Installation instructions

Ideal For

• Performance enthusiasts monitoring oil or boost pressure
• Custom automotive builds requiring reliable pressure alerts
• Professional tuners and mechanics seeking precise pressure control
• Any vehicle where critical pressure thresholds need to be monitored for safety and performance

Emissions Note

This product is designed for off-road, racing, or show use only and may not be legal for use on pollution-controlled vehicles in all jurisdictions. Please verify local regulations before installation.