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The AEM 500 PSIg Stainless Pressure Sensor Kit is designed for high-accuracy monitoring of fuel, oil, brake, or nitrous systems in high-performance vehicles. Built with a corrosion-resistant stainless steel body and rated for pressures up to 500 PSI (gauge), this sensor is ideal for motorsport, tuning, and race-grade data logging applications.
Gauge vs Absolute Pressure
This is a PSIg (gauge pressure) sensor, meaning it reads pressure relative to atmospheric pressure—displaying 0 PSIg at sea level when exposed to open air. PSIg sensors are the standard for closed systems like oil and fuel pressure monitoring, making them the go-to choice for vital engine data in high-output builds.
Why Choose Stainless?
Think of a brass sensor as a ruler—suitable for basic monitoring. But when accuracy and reliability are essential, a stainless sensor is your caliper. AEM stainless sensors are built for precise ECU input and tuning-critical systems where every PSI matters.
Key Features
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Pressure Range: 500 PSIg (gauge pressure)
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Thread Type: 1/8" NPT male
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Body Material: High-strength stainless steel
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Accuracy: ±1% of full scale
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Fluid Resistance: Impervious to fuel, oil, coolant, and brake fluid
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Sealing: 360° welded wetted area for leak-free operation
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Electrical: Includes weatherproof connector and terminal pins
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Fittings Included: 1/8" NPT to -4 AN adapter and barbed fitting for flexible installation
Best Applications
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High-pressure fuel systems
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Oil pressure monitoring in turbocharged or high-revving engines
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Brake system pressure logging for motorsport setups
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Nitrous pressure monitoring in competition builds
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Compatible with AEM ECUs, digital dashboards, and standalone data loggers
No instructions available for this product.

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