Freightliner Categories

BESTfit 17 Inch OD SAE 2 FlywheelUpgrade your Cummins B Series 5.9L engine with our Flywheel designed for optimal performance. This flat design flywheel features 8 bolt mounting holes and is sized to fit SAE #2 specifications. With a 14-inch clutch size...

BESTfit Fender Extension Fits FreightlinerIntroducing our Fiberglass Fender, specifically designed for the passenger side, meticulously crafted to replace OEM parts with numbers 17-13684-013 and 17-13684-024. Sold individually, this aftermarket...

BESTfit Charge Air Cooler Hoses W/ 4 Stainless Steel ClampsEnhance your vehicle's performance and reliability with our Hose Kit, designed to meet your charge air cooler connection needs. This comprehensive kit includes two 4-inch hoses and four stainless...

BESTfit Passenger Side Exhaust Elbow Fits Kenworth With 40 Inch StepThis aftermarket replacement part is a 5-inch diameter component tailored for the passenger side of the vehicle. Featuring a 40-inch step, it is crafted in North America and sold...

BESTfit Driver Side Exhaust Elbow Fits Kenworth With 40 Inch StepThis 5-inch diameter exhaust stack is specifically designed for the driver's side and includes a 40-inch step. Sold individually and made in North America, this exhaust stack is an...

BESTfit Battery Box Fits FreightlinerThe battery box, crafted from aluminum, measures 24 inches and includes upper and lower steps with round holes. Sold individually, this assembly serves as an economy aftermarket replacement part, offering...

Smooth Aluminum 54 Inch Half Fenders W/ Flanged EdgeEnhance the sleek look and protection of your vehicle with our Smooth Aluminum Fenders. Crafted from durable 0.125-inch aluminum with a flanged edge, these fenders offer both style and strength...

BESTfit Aluminum Fuel Tank Step, 59.05 Inch X 6 Inch - Replaces A22-57757-150At 4 State Trucks, we offer this BESTfit replacement step that easily mounts on top of the fuel tank. It is made of durable aluminum with hole pattern to reduce slippage and...

BESTfit Freightliner Aluminum Fuel Tank Step 51.18 Inch X 5.50 Inch With Open EndAt 4 State Trucks, we offer this BESTfit replacement step that easily mounts on top of the fuel tank. It is made of durable aluminum with a non-slip tread pattern for secure...

BESTfit 25 Inch Fuel Tank Straps Fits Freightliner Cascadia * High Quality Fuel Tank Straps* 25 Inches * Painted * Sold Individually* Warranty On Fuel Tank Straps Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket...

6 Diode Rectangular LED Work Light - Work Light- Rectangular Shaped- Aluminum Die Cast Housing- 1080 Raw Lumens- 975 Effective Lumens- 22.2 Watt LED Power- 12-24 Volt Operation Voltage- 1.85 Amps At 12 Volt- Dimensions  - 6.00 Inch Width  - 4...

Wide Ride II LoPro Air Suspension Hi-Back Seat With Dual Armrests - Black UltraleatherUpgrade your driving experience with our premium low-profile suspension seat, featuring a high back and crafted from sleek black ultra-leather. Engineered for comfort...