Best Marshall Instruments in 2026

1.5" Fuel Pressure Gauge, 0-15 PSI, 1/8" NPT center back connection

Silver Dial, Red Pointer, Liquid Filled, Stainless Steel Case and Bezel

Easy-Vent Nipple Plug for accurate readings every time. Install gauge so that the nipple plug is in the upright position, then cut the nipple to vent gauge.

1.5" Nitrous Pressure Gauge, 0-1500 PSI

White Dial, Red Pointer, Liquid Filled

Stainless Steel Case and Bezel

For meausring fuel pressure

1-1/2" dial size, 1/8"NPT Back

Pressure range: 0-15psi single scale

For meausring fuel pressureFor meausring fuel pressure, automotive air line pressure or automotive sensor transmission, T-Fitting adapter allows users to install in the fuel line

Size: 1-1/2" dial size, center back, 8mm (5/16") Brass Barbed T-Fitting Adapter, 2 Stainless Steel Clamp with handle

Pressure Range: 0-15psi single scale

0 - 120 psi Pressure Range for Electronic Fuel Injection

Easy to Read High-Contrast 1½” Face

Matte Black Stainless Steel Case and Bezel

Liquid Filled Universal Pressure Gauge

Compatible with Fuel, Oil, Water, Coolant, Air, Gas

Premium Quality - Rust Proof - Made of Stainless Steel

ACCURACY MECHANICAL MOVEMENT DESIGN: This water pressure gauge is calibrated to ±2.5% of full pressure range 100psi to ensure an instantaneous, accurate reading; Mechanical design of this water pressure gauge for home gives you no fear of digital failure.

LIQUID FILLING WITH 2" CLEAR DIAL : Liquid filled pressure gauge 1/4 npt to enhance the reliability and integrity; helps dampen the effect of vibration and pulsation; Clear dial with dual two colors scales make it easy to read;

DURABLE BUILD: The stainless steel construction is built to outlast the competition from normal steel or plastic gauge. The superior quality stainless steel and brass components ensure the gauge corrosion resistance and extends the gauge life.

DURABLE BUILD: The stainless steel construction is built to outlast the competition from normal steel or plastic gauge. The superior quality stainless steel and brass components ensure the gauge corrosion resistance and extends the gauge life.

ACCURACY MECHANICAL MOVEMENT DESIGN: This 1/8 fuel pressure gauge is calibrated to ±2.5% to ensure an instantaneous, accurate reading; Mechanical design gives you no fear of digital failure.

LIQUID FILLING 1/8 FUEL PRESSURE GAUGE WITH 1-1/2" CLEAR Black DIAL : Glycerin oil filled to enhance the reliability and integrity; helps dampen the effect of vibration and pulsation; Clear Black dial with single colors scales make it easy to read;

ACCURACY MECHANICAL MOVEMENT DESIGN: This fuel pressure gauge 1/8 npt is calibrated to ±2.5% of full pressure range 100psi to ensure an instantaneous, accurate reading; Mechanical design of this fuel pressure gauge 1/8 npt gives you no fear of digital failure.

LIQUID FILLING AIR GAUGE 1/8 NPT WITH 1-1/2" CLEAR DIAL : Liquid filled to enhance the reliability and integrity; helps dampen the effect of vibration and pulsation; Clear dial with dual two colors scales make this fuel pressure gauge 1/8 npt easy to read;

DURABLE BUILT 1/8 NPT AIR PRESSURE GAUGE: The stainless steel construction is built to outlast the competition from normal steel or plastic gauge. The superior quality stainless steel and brass components ensure the air gauge 1/8 npt corrosion resistance and extends the gauge life.

1.5" Fuel Pressure Gauge, 0-100 PSI

Stainless Steel Case and Bezel

Black Dial, Red Pointer, Liquid Silicone Filled

1.5" Direct Mount Pressure Gauge, 0-15 PSI, 1/8" NPT center back connection.

Use for measuring pressure on fuel, oil, water, air and other non corrosive media not exceeding 15 PSI.

Easy vent plug for accurate readings every time. Install gauge so that the nipple plug is facing up. Once installed, cut the nipple on the plug.

0-15 PSI READING for most carbureted applications

1/8 “ NPT MALE THREADED FITTING to screw into your existing fuel system

LIQUID-FILLED to slow down engine vibration of the needle

Provides for simple, fast and accurate fuel pressure checks

1.5" Fuel Pressure Gauge, 0-15 PSI, 1/8" NPT center back connection

Silver Dial, Red Pointer, Liquid Filled, Stainless Steel Case and Bezel

Easy-Vent Nipple Plug for accurate readings every time. Install gauge so that the nipple plug is in the upright position, then cut the nipple to vent gauge.

Fitment：Universal application

Feature：Liquid filled gauge for consistent readings hot or cold. Adjustable from 0 to 100 PSI to maximum fuel pump capacity

Steel case, a crisp, easy to read black face with white numerals and PSI increments

Traditional incandescent lighting illuminates around the perimeter of the dial

Includes data acquisition grade solid-state pressure transducer, providing unmatched accuracy and durability even in the harshest environments

Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy while keeping hazardous fluids outside of the vehicle

Perfect for installing in tight spaces

Great for monitoring air, fuel, or oil pressure

Utilizes 1/8" NPT male fitting on back of gauge for installation

Package Dimensions: 4.5 H x 6.0 L x 4.5 W (inches)

Country of Origin : United States

Fit type: Vehicle Specific

Traditional incandescent lighting illuminates around the perimeter of the dial

Auto Meter’s race proven mechanical instruments provide trusted accuracy while being simple to install

No electrical system required for gauge operation - compatible with every street or race vehicle

Factory matched LED through-the-dial lighting provides clear visibility during nighttime use and matches OEM instrumentation

Includes data acquisition grade solid-state pressure transducer, providing unmatched accuracy and durability even in the harshest environments

Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy while keeping hazardous fluids outside of the vehicle

Traditional incandescent lighting illuminates around the perimeter of the dial. 12 and 16 volt compatible, compatible with nearly every street car or race car electrical system

Includes data acquisition grade solid-state pressure transducer, providing unmatched accuracy and durability even in the harshest environments

Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy while keeping hazardous fluids outside of the vehicle

0-15 PSI READING for most carbureted applications

1/8 “ NPT MALE THREADED FITTING to screw into your existing fuel system

LIQUID-FILLED to slow down engine vibration of the needle

Traditional incandescent lighting illuminates around the perimeter of the dial

Auto Meter’s race proven mechanical instruments provide trusted accuracy while being simple to install

No electrical system required for gauge operation - compatible with every street or race vehicle

Traditional incandescent lighting illuminates around the perimeter of the dial

Auto Meter’s race proven mechanical instruments provide trusted accuracy while being simple to install

No electrical system required for gauge operation - compatible with every street or race vehicle

Traditional incandescent lighting illuminates around the perimeter of the dial

Auto Meter’s race proven mechanical instruments provide trusted accuracy while being simple to install

No electrical system required for gauge operation - compatible with every street or race vehicle

0-100 PSI READING for most fuel injected applications

1/8 “ NPT MALE THREADED FITTING to screw into your existing fuel system

LIQUID-FILLED to slow down engine vibration of the needle

Traditional incandescent lighting illuminates around the perimeter of the dial

Includes data acquisition grade solid-state pressure transducer, providing unmatched accuracy and durability even in the harshest environments

Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy while keeping hazardous fluids outside of the vehicle

Features Auto Meter's E-Z View Digital LED Display System which maximizes readability and minimizes distracting high speed digit changes

Includes data acquisition grade solid-state pressure transducer, providing unmatched accuracy and durability even in the harshest environments

Auto Meter’s race proven digital stepper motor electric instruments provide unmatched accuracy while keeping hazardous fluids outside of the vehicle

0 - 30 psi Pressure Range for Electronic Fuel Injection

Easy to Read High-Contrast 1½” Face

Matte Black Stainless Steel Case and Bezel

Perfect for installing in tight spaces

Great for monitoring air, fuel, or oil pressure

Utilizes 1/8" NPT male fitting on back of gauge for installation