Peterbilt 6 Inch Fiberglass Wide Cab-Cowl Panels* High Quality Cab-Cowl Panels* Fiberglass* Sold As Pair* Warranty On Cab-Cowl Panels Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...

BESTfit Fiberglass Side Cowl Panel Fits Peterbilt 359 Driver Side* High Quality Side Cowl Panel* Made of Fiberglass* 21 Inches X 12 Inches* Gray Gel Coat* Passenger Side* Sold Individually* Warranty on Cab Cowl Panels against defects in workmanship &...

BESTfit Air Cleaner Strap Brackets Fit Peterbilt 359Ensure a secure and durable fit for your Peterbilt 359 air cleaner with these high-quality 15-inch Air Cleaner Strap Brackets by BESTfit. Crafted from polished stainless steel, these brackets offer...

Wiper Arm Fits Peterbilt 300 SeriesMaintain clear visibility and enhance safety on your Peterbilt 379, 384, 386, 388, or 389 with the Black Enamel Painted Wiper Arm, featuring a high-tensile strength spring and washer nozzle. The long-lasting enamel...

BESTfit Peterbilt 359 Wiper ArmReplace a windshield wiper arm on your Peterbilt 359 truck with this steel gray adjustable wiper arm. The length of the wiper arm goes from 10.8 inches to 15.8 inches. Sold individually, each arm can fit the driver or...

BESTfit Peterbilt Firewall Wiring Harness CoverProtect your truck's wiring and keep it looking sharp with this BESTfit Wiring Harness Cover for Peterbilt 375, 377, 378, 379, and 385 models. Built from high-quality materials and proudly made in the USA,...

BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379* Made Of High Quality Chrome-Plated Steel* Sleeper Type: Unibilt* Top Cut: West Coast Turnouts* Length: 96 Inches* Kit Includes:  - West Coast Turnout Stack (2)  - 55...

BESTfit Stainless Steel 13 Inch Air Cleaner With 7 Inch Intake Fits PeterbiltEquip your Peterbilt 378, 379, 388, or 389 with the high-quality BESTfit 13-inch Stainless Steel Air Cleaner featuring a 7-inch intake to enhance engine airflow and protection...

Electric Wiper Conversion Kit For Peterbilt 359This conversion kit lets you upgrade your air powered wiper motors to electric ones for Peterbilt 359 models up to 1987. It works on 1973-1977 flat dash models with a small change to the center defrost duct...

BESTfit Rubber air intake elbow for Peterbilt 359 trucksThis 68-degree angle boot reduces from 7 inches to 6 inches, connecting your truck's air cleaner to the intake system.* High Quality Elbow* Made Of Rubber* 7 Inch To 6 Inch * Temp rated at 250-275F...

BESTfit Peterbilt 359 Air Intake Collar For Air Cleaner ElbowKeep your Peterbilt 359 performing at its best with this high-quality Air Intake Collar for the air cleaner elbow. Designed for a precise fit and long-lasting durability, this USA-made intake...

BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379* Made Of High Quality Chrome-Plated Steel* Sleeper Type: Standard* Top Cut: West Coast Turnouts* Length: 96 Inches* Kit Includes:  - West Coast Turnout Stack (2)  -...