Fast LED Digital Display
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High-contrast, easy-to-read pressure numbers
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Fast refresh rate for real-time response
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Perfect visibility in day or night conditions
52mm (2-1/16”) Standard Gauge Size
Works with:
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A-pillar pods
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Steering column mounts
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Dashboard panels
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Universal 52mm gauge pods
Part Number—
30-4407
Application Vehicle—
Replacement For AEM 30-4407 X-Series
Compatible with EFI & Carbureted Engines
Whether your build uses modern engine management or old-school mechanical fuel systems, this gauge offers stable, predictable pressure monitoring.
Sensor-Compatible Platform
Use with common 0–150 PSI pressure senders or aftermarket sensor kits designed for digital oil pressure gauges.
Ideal for carbureted or EFI vehicles
Standard 52mm (2-1/16”) gauge housing.
Easy-to-install Plug & Play harness and sensor included.
Why Oil Pressure Monitoring Matters
Oil pressure drops are the silent killers of:
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Turbo bearings
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Connecting rod bearings
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Cam journals
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Lifters
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High-RPM valvetrain components
This gauge lets you see problems before you hear them—or before your engine decides to ventilate the block.
Digital LED interface that displays oil pressure from 0-150 PSI in 1 PSI increments.
Three digit readout in center, auto-dimming gauge face and read out lighting.
24 green LED display lights provide immediate reference to monitored engine function.
0-5V analog output included for use with data loggers and virtually any engine management system, such as the Infinity ECU, Series 2 EMS or AQ-1 Data Logger.
Perfect for:
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Turbo & supercharged cars
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Track-driven builds
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Towing/heat-heavy applications
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Vehicles with upgraded oil pumps
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High-mileage performance engines
Installation Notes
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Install using a compatible 0–150 PSI pressure sender
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Do not mount sensor directly on the engine—use a remote hose to reduce vibration damage
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Wire gauge to switched 12v power and proper grounding
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Keep harness away from headers and high-heat zones
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Test for leaks after installing the pressure sender
Typical install time: 30–60 minutes.
Final Verdict
This 0–150 PSI Digital Oil Pressure Gauge (52mm) is a clean, modern, and accurate replacement for the AEM 30-4407 X-Series unit.
Its fast LED display, wide pressure range, and universal compatibility make it a must-have for any serious build—EFI or carb, turbo or NA.
If you care about engine reliability (and avoiding catastrophic failures), this gauge earns its spot on your dashboard.
Aliviana York 2.0 –
Easy to wire up.Easy to change the Face and Bezel.Looks great.I have not had the chance to install it yet because my car is a work in progress but this is a very nice gauge with ECM output.There is no part number on the sending unit, should you ever need to replace it. It just has 150psi etched on the hex portion of the body.I like it so far, we’ll see how it works and accuracy at startup and go from there.