Autometer 52mm Stack Instruments -30INHG to +30PSI Mechanical Boost Gauge – Black

This range of Stack gauges have been specifically designed for vehicles with no or low powered electrical systems. Confirm the measurement range, diameter, sender or signal requirements, lighting, electrical system, mounting depth, and included components before ordering.

Key Features

• 52mm (2-1/16″) Diameter: Fits standard gauge pods and panels.
• Accurate Boost/Vacuum Measurement: Provides real-time readings from -30 inHg (vacuum) to +30 PSI (boost).
• Mechanical Operation: No electrical power required perfect for magneto or non-12V systems.
• Includes Installation Hardware: Comes complete with nylon vacuum tubing, compression fittings, and mounting hardware.
• Mounts in any 2-1/16″ (52mm) gauge pod or dashboard location.
• Includes vacuum tubing and fittings for straightforward installation.

Fitment

Specifications

What’s Included

One new AutoMeter product identified by manufacturer part number ST3112. Senders, adapters, fittings, wiring, mounting hardware, gauges, and companion components are included only when expressly stated for this exact part number.

About AutoMeter

AutoMeter develops performance instrumentation, gauge mounting solutions, sensors, data products, battery equipment, and installation components for street, competition, marine, and professional workshop use.

Related AutoMeter Products

• Autometer Stack Instruments 52mm -30INHG To +30PSI Pro Control Boost Pressure Gauge – Black
• Autometer Cobalt 52mm 30psi mechanical Boost Gauge
• Autometer Stack 52mm 0-100 PSI 1/8in NPTF (M) Mechanical Oil Pressure Gauge – Black

Browse the AutoMeter collection for additional gauges, mounts, sensors, and accessories.

Frequently Asked Questions

What signal or sender does AutoMeter gauge ST3112 require?
The requirement depends on whether this exact gauge is mechanical, electric, digital, GPS, or vehicle-data based. Use only the sender, tubing, harness, adapter, and signal type specified by AutoMeter.

Will AutoMeter ST3112 fit my existing gauge mount?
Confirm the stated gauge diameter, case depth, bezel clearance, rear connection clearance, retaining method, and wiring or tubing path before choosing a mount.

Is calibration required for AutoMeter ST3112?
Calibration depends on the measurement and signal source. Follow the current AutoMeter instructions for this exact part and verify the reading against known operating data before relying on it.

What must be tested after wiring AutoMeter ST3112?
Verify power, ground, illumination, dimming, signal behavior, sender operation, warning functions, and stable readings through the expected operating range.

Installation Instructions

Follow the current AutoMeter instructions for this exact gauge. Verify the signal or sender, pressure or temperature connection, power, ground, fuse, illumination, mounting depth, tubing or wiring protection, calibration, leak checks, and stable readings before driving.