ISSPRO

Internally Shunted Ammeter 40-0-40 Amps W/ Black Face, White Pointer & Black BezelThe ammeter gauge accurately measures the direction and quantity of electrical current flow, with a range of 40-0-40...

Isspro 2 1/16 Inch Coolant Temperature Gauge KitTrack your Semi-Truck's vital signs with the 2-1/16 inch 100-280F Coolant Temperature Gauge Kit at 4 State Trucks. This comprehensive kit includes the...

100-280 Degree 2 1/16 Inch Electronical Temperature GaugeThis chrome-bezeled electronic temperature gauge accurately measures temperatures from 100 to 280 degrees and fits a 2 1/16 Inch hole. It...

140-350 Degree Transmission Oil Temperature GaugeStay informed of your transmission's temperature with this reliable black analog gauge. It prominently displays a temperature range from 140 to 350...

0-320F Hydraulic Oil Temperature Gauge With Built In Warning Light* High Quality Oil Temperature Gauge* With 2 Wire Temp Sensor * Mounts In 2 1/16 Inch Hole* Sold Individually* Warranty On Oil...

Mechanical Dual Air Pressure Gauge With Chrome BezelWe offer this quality aftermarket Isspro Mechanical Dual Air Pressure Gauge for your big rig. With a 2 1/16 inch chrome face, the gauge ranges from...

100-265 Degree Fahrenheit Backlit Mechanical Water Temperature Gauge W/ 120 Inch Capillary HoseThe ISSPRO Mechanical Water Temp Gauge has a cool chrome bezel and a black face with a white pointer. It...

5000-55000 Lb. Axle Load GaugeKnow how much weight your axles are holding with this aftermarket 2 1/16 inch Isspro axle load gauge. It features a black face with white numbers, a display that ranges...

10 to 200 PSI Mechanical Fuel Pressure Gauge With Black Face, White Numbers, & Chrome BezelKeep a close eye on your fuel pressure with the ISSPRO mechanical fuel pressure gauge! It measures from 10...

5 to 200 PSI Mechanical Fuel Pressure Gauge With Black Face, White Numbers, & Chrome BezelMonitor your fuel pressure closely with the ISSPRO mechanical fuel pressure gauge! This gauge measures from 5...

60-0-60 Scale Ammeter GaugeMeasure the actual amount of electrical current flowing into or out of your battery with this top of the line 2 inch Isspro amp gauge. It displays 60-0-60 scales and fits...

Fuel Gauge ElectricThe Quality Fuel Gauge is an electric gauge designed to show fuel levels at 1/8, 1/4, 1/2, and full (F) markers, making it easy for you to see how much fuel you have left. It works...

140-320 Degree Electric Oil Temp GaugeWe offer aftermarket Isspro electric oil temperature gauges for your big rig. This 2-inch gauge has a range of 140-320 degrees, has a black face with white...

100-280 Degree Electric Water Temp GaugeFind aftermarket Isspro electrical water temperature gauges for your big rig at 4 State Trucks. This 2-inch gauge has a black face with white numbers, has a...

0-100 PSI Mechanical Oil Pressure GaugeLet 4 State Trucks help you monitor your oil pressure with this top of the line Isspro mechanical oil pressure gauge. Isspro is known for rugged reliability and...

0-150 PSI Mechanical Air Pressure GaugeThis truck air pressure gauge by Isspro a mechanical gauge that features a 2-inch chrome face with a pneumatic range display from 0-150 PSI. It comes with a...

2-50p PSI Mechanical Turbo Pressure GaugeThis Isspro 2 inch mechanical turbo pressure gauge offers a 2-50 PSI limit and comes with a warranty against defects in materials and workmanship. Isspro is a...

10-16V Voltmeter GaugeAt 4 State Trucks, we offer 2-inch Isspro voltmeters for your big rig. This aftermarket voltmeter features a range of 10-16 volts and comes with a warranty against defects in...

Analog Transmission Temperature Gauge W/ Black BezelThis Isspro 2 1/16 Inch Electric Transmission Temperature Gauge has a black bezel, red pointer, and black face design. It reads temperatures from...

0 - 1800 Degree Pyrometer Gauge W/ Black BezelThe Isspro Classic Pyrometer Gauge calibrates temperatures from 0 to 1800 degrees Fahrenheit or 0 to 1000 degrees Celsius. It features a black face, red...