INTERIOR

60-0-60 Scale Amp Gauge Measure 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 various makes and models. Isspro is a trusted brand for...

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 range of 100-280 degrees, and comes with a warranty...

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 numbers, and comes with a warranty against defects in...

2 Inch Mechanical Water Temp GaugeAt 4 State Trucks we have aftermarket Isspro mechanical water temperature gauges for your big rig. This 2-inch gauge has a black face with white numbers, includes a 96-inch lead, and comes with a warranty against defects...

0-100 PSI Electrical Oil Pressure GaugeWe offer top of the line Isspro electrical oil pressure gauges that have a range of 0-100 PSI. This 2 inch gauge fits various models and comes with a warranty against defects in materials and workmanship. * High...

2-30 PSI Mechanical Manifold Pressure GaugeAt 4 State Trucks we offer aftermarket Isspro Mechanical manifold pressure gauges. This 2 inch gauge features a 2-30 PSI range and comes with a warranty against defects in materials and workmanship. * High...

0-150 PSI Mechanical Air Pressure GaugeWe offer this quality aftermarket Isspro mechanical air pressure gauge for your big rig. With a 2-inch chrome face, the gauge ranges from 0-150 PSI and comes with a warranty against defects in materials and...

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 this 2 inch aftermarket gauge is no different with...

Tractor Air Valve Control Knob * High Quality Tractor Air Valve Control Knob* Made of High Quality Wood* Tractor Script * Glossy Sticker * Sold Individually* Warranty On Air Valve Knobs Against Defects In Workmanship & Material From Date Of...

Dashboard Wood Dimmer Air Valve Control Knob - Labeled * High Quality Dimmer Air Valve Control Knob* Made Of Wood* Dimensions - 1/4 Inch ID - 1 3/16 Inch Height* Chrome-Plated Rim And Stainless Steel Script Plate On Top * “Dimmer” Script* Hex Screw...

Dashboard Wiper Washer Control Knob - Labeled * High Quality Air Valve Control Knob* Made Of Wood* Wiper Washer Script * Hex Screw Mount * Sold Individually* Warranty On Air Valve Control Knobs Against Defects In Workmanship & Material From Date Of...

Dashboard Panel Light Control Knob - Labeled * High Quality Air Valve Control Knob* Wood Rim* With Stainless Steel Script Plate On Top * Panel Lights Script* 1/4 Inch X 1 3/8 Inch X 1 3/16 Inch * Hex Screw Mount - On Side* Sold Individually* Warranty On...