Western Star Trucks

Thermocouple Teltek Digital PyrometerThe Teltek digital pyrometer can be paired with a reliable and high-quality thermocouple, available for individual purchase. Designed to meet your temperature measuring needs, this thermocouple provides accurate...

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 materials and workmanship. Isspro is a trusted brand for...

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 trusted brand for any and all gauges, for over 60...

SS Performance 9 Speed Shift Pattern LabelThis stainless steel plate shows the shift pattern for a Eaton Fuller Performance 9 Speed (RTX). It fits most makes and models with an Eaton Manual Transmission. * High Quality Shift Pattern Label* Stainless...

0.180 Female Plugs W/ 6 Inch Lead Wire Harness * High Quality Wire Harness* 0.180 Female Plug* With 6 Plugs- 6 Inch Lead* Sold Individually* Warranty On Wire Harness Against Defects In Workmanship & Material From Date Of Purchase***High Quality...

Spring Loaded Light Bars W/ 6 - 4 Inch Round Light HolesIlluminate your vehicle's rear with our durable and versatile rear light bar, made from 304 stainless steel. Each bar is spring-loaded and includes screws for easy installation. Featuring a total of...

Chrome Plastic Bumper Guide Top W/ Amber Dome Lens For Bores Bumper GuidesUpgrade your vehicle's look with our chrome-plated plastic base bumper guide tops, designed to fit all bores guides seamlessly. Each pair includes amber lenses, enhancing...

BESTfit Oil PanOur black oil pan, capable of holding 16-20 quarts of oil, is available as an aftermarket replacement part, sold individually. * Oil Pan* Black* Oil Capacity 16-20 Quarts* Sold IndividuallyAftermarket Replacement Part (Not OEM)

BESTfit 4 Inch O.D.-I.D. X 48 Inch 16 Gauge Aluminized Steel TubeIntroducing our Straight Exhaust Tubing, meticulously crafted with Aluminized 12 Gauge Steel, ensuring durability and longevity. With a 4-inch diameter and 48-inch length, it offers...

BESTfit 20-10 Amp 12V Terminal RelayLooking for a replacement relay? Our aftermarket replacement part is designed for 12V systems and features a SPDT (Single Pole Double Throw) type with a capacity of 20-10 amps. It includes 5 terminals and does not have...

BESTfit Sanden Compressor Oil For Use With R-124A Sanden Compressors * High Quality Oil* 8.45 Oz * Sold Individually* Warranty On Oil Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...

BESTfit Sanden 4308 Style AC Compressor With 2 Groove 152MM Clutch * High Quality A/C Compressor* 2 Groove 152MM Clutch* Sold Individually* Warranty On A/C Compressor Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...