TOOLS

Magnetic Pick Up SenderWe offer top of the line aftermarket Isspro magnetic pick up senders for your big rig. This sender is to be used with Isspro speedometers and tachometers. It features wire lead connectors and comes with a warranty against defects...

Gauge Snubber Use On Fuel PSI Manual Gauge4 State Trucks offers this highly effective gauge snubber that is used to smooth out the pressure fluctuations on a fuel PSI manual gauge. It comes with a warranty against defects in materials and workmanship...

Exhaust Bung For Pyro ProbeAt 4 State Trucks we offer exhaust bungs for pyro probes that come with a warranty against defects in materials and workmanship. Isspro is a trusted brand for any and all gauges, for over 60 years they have been a pinnacle of...

Pyro Sender With Type K Thermocouple & 1/4 Inch NPTF MountingWe offer top of the line pyrometer senders with 2.25 inch probes for your big rig. This sender comes with a warranty against defects in materials and workmanship. Isspro is a trusted brand for...

Air Line Fitting * High Quality Fitting* 5/32 x 1/8 Inch* Sold Individually* Warranty On Air Line Fitting Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not OEM)***

Male Brass Connector, 5/32 x 1/16 InchThis brass male airline fitting is for applications with nylon air brake tubing. It is designed to withstand temperatures between -45 degrees and 212 degrees. It is intended for applications using more than 150 psi. ...

Air Line Union * High Quality Union* 1/2 Inch * Sold Individually* Warranty On Air Line Union Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not OEM)***

Air Line Union * High Quality Union* 1/4 Inch* Sold Individually* Warranty On Air Line Union Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not OEM)***

Push Type Brass Air Line UnionDo you need a push-on style air line union? 4 State Trucks stocks 5/32 inch air line unions made of high quality brass backed by a six month warranty from the date of purchase. * High Quality Air Line Union* Made Of Quality...

Air Line Union * High Quality Union* 1/8 Inch* Sold Individually* Warranty On Air Line Union Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not OEM)***

90 Degree Brass Male Elbow * High Quality Elbow* Made Of Brass* 90 Degree* 1/2 Inch x 1/2 Inch - For Nylon Tubing - For Plastic Air Line * Sold Individually* Warranty On Elbow Against Defects In Workmanship & Material From Date Of Purchase*** High...

Air Line Fitting * High Quality Fitting* 1/2 x 1/4 Inch * Sold Individually* Warranty On Air Line Fitting Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not OEM)***