Peterbilt 357/378 Parts
Find the best Peterbilt 378 aftermarket parts in the business here at 4 State. The Peterbilt 378 semi truck represents all of the characteristics of the Peterbilt brand, and was a popular model with similar features to the Peterbilt 379. Pete truck models are a brand of choice for experienced truckers who need dependable semi trucks. 4 State Trucks has all the semi truck parts and accessories you need to make your Pete 378 stand out to showcase your unique personality. Whether you need aftermarket bumpers, exhaust, or fuel tanks, we've got you covered. Hit the open road in style and comfort with the best custom gear for your Peterbilt heavy duty truck or 18 wheeler.
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SS Lower Dash Vent Trim For Peterbilt Driver Side
ROADWORKS
$39.99Stainless Steel Lower Dash Vent Trim Fits Peterbilt * High Quality Lower Dash Vent Trim* Made Of Stainless Steel * Driver Side* Made In USA* Sold Individually* Warranty On Lower Dash Vent Trim Against Defects In Workmanship & Material From Date Of...$39.99 -
SS Lower Center Trim For Peterbilt
ROADWORKS
$30.59Stainless Steel Lower Center Trim Fits Peterbilt * High Quality Lower Center Trim* Made Of Stainless Steel* Under A/C Heater Controls* Made In USA* Sold Individually* Warranty On Lower Center Trim Against Defects In Workmanship & Material From Date Of...$30.59 -
Green Digital Pyrometer 40-1850 Degree F With Chrome Bezel - 2-1/16 Inch Diameter
TELTEK
$294.99Digital 2-1/16 Inch Diameter Pyrometer With Green LED Display, 40-1850 Degree F Range And Chrome Bezel Fits Peterbilt, Kenworth, Freightliner And WesternFind this high quality aftermarket digital pyrometer by Teltek with a shiny chrome bezel at 4 State...$294.99 -
Green Digital Large Pyrometer 40-1850 Degree F With Chrome Bezel - 3-3/8 Inch Diameter
TELTEK
$333.99Digital 3-3/8 Inch Diameter Pyrometer With Green LED Display, 40-1850 Degree F Range And Chrome Bezel Fits Peterbilt, Kenworth, Freightliner And WesternFind this high quality aftermarket digital pyrometer by Teltek with a shiny chrome bezel at 4 State...$333.99 -
Green Digital Pyrometer 40-1850 Degree F With Chrome Bezel - 3 Inch Diameter
TELTEK
$325.99Digital 3 Inch Diameter Pyrometer With Green LED Display, 40-1850 Degree F Range And Chrome Bezel Fits Peterbilt, Kenworth, Freightliner And Western Find this high quality aftermarket digital pyrometer by Teltek with a shiny chrome bezel at 4 State...$325.99 -
3 Inch Pyrometer Gauge W/ Chrome Bezel - Universal Fit
ISSPRO
$170.993 Inch Pyro Gauge W/ Chrome Bezel - Universal Fit * High Quality Pyro Gauge* 3 Inch* Sold Pair* Warranty On Pyro Gauge Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***** This Item...$170.99 -
Isspro 2-1/16 Inch Electric Water Temperature Gauge W/ Chrome Bezel, 100-240F
ISSPRO
$65.27Analog Electric Water Temp Gauge W/ Chrome BezelThe ISSPRO Electrical Water Temperature Gauge R8750 features a 2 1/16 inch diameter gauge size and a 90-degree sweep. This gauge utilizes a TA sender style and has a temperature reading range of 100-240 F...$65.27 -
2 Inch 140 - 320 Degree Transmission Temperature Gauge W/ Black Bezel
ISSPRO
$61.19Analog Transmission Temperature Gauge W/ Black Bezel * High Quality Electric Transmission Temperature Gauge * 2 Inch * 12 Volt* 140-320 * With Black Bezel * Sold Individually * Warranty On Electric Transmission Temperature Gauge Against Defects In...$61.19 -
2.125 Inch Black Stealth Twist-On Brake Knob
TWISTED SHIFTERZ
$54.05Twist-On Black Stealth Brake Knob * High Quality Air Brake Knob* Color Stealth Black* Dimensions- 2.125 Inch Diameter- 2 1/8 Inch Threads* Screw In The Collar To Align Knob* Threaded* Sold Individually* Warranty On Air Brake Knobs Against Defects In...$54.05 -
Flat Back Mounting Clamp For RoadWatch Sensors
BOSTROM TRUCK SEATS
$59.15Sensor Backing For Easy Mount To Flat SurfacesThe Flat Back Clamp conveniently slides onto the existing RoadWatch Road Surface Temperature Sensor housing, allowing easy mounting of the sensor onto any flat surface. * High Quality Mounting Clamp * Flat...$59.15 -
Flat Mounting Bracket For RoadWatch Sensors
BOSTROM TRUCK SEATS
$33.65Sensor Mounting Bracket For Flat SurfacesEasily attach your RoadWatch Road Surface Temperature Sensors to flat surfaces like doors or mirrors using the 90-degree flat bracket. It has a 3/4 inch post for secure attachment. * High Quality Sensor Mounting...$33.65 -
Blue Digital Pyrometer 40-1850 Degree F With Chrome Bezel - 3 Inch Diameter
TELTEK
$280.99Digital 3 Inch Diameter Pyrometer With Blue LED Display, 40-1850 Degree F Range And Chrome Bezel Fits Peterbilt, Kenworth, Freightliner And Western Find this high quality aftermarket digital pyrometer by Teltek with a shiny chrome bezel at 4 State Trucks...$280.99