Peterbilt 359 Frame & Chassis

BESTfit Silent Block Spring Bushing And PinLooking to secure your truck's parts? The U Bolt Kit is what you need. It comes with tough bolts that are 3/4 inches thick and 8.875 inches long. With a grade 8 rating, you know it's strong. Each kit includes...

BESTfit Sealed Torque Rod Fits PeterbiltThis forged torque rod is specifically designed for Peterbilt Air Trac suspension systems, ensuring sturdy performance. With a length of 17.340 inches center to center and bolt spacing of 4.375 inches center to...

BESTfit U Bolt Kit Semi RoundUpgrade your suspension system with our U-bolt kit, perfect for Peterbilt Air Trac and Air Leaf suspensions. This kit comes complete with washers and hi-nuts for easy installation. Each kit includes two U-bolts and washers...

BESTfit Forged HD Torque Rod Fits PeterbiltEnhance your suspension system with our sealed forged torque rod, designed for Peterbilt Air Trac and Air Leaf suspensions. Featuring a length of 22.810 inches center-to-center and bolt spacing of 4.375 inches...

BESTfit Forged Torque Rod Fits PeterbiltUpgrade your suspension system with our forged torque rod, compatible with Peterbilt Air Trac and Air Leaf suspensions. With a length of 22.875 inches center-to-center and bolt spacing of 4.375 inches...

BESTfit Side Bar Fits Peterbilt Steer Axle Spring ShackleEnhance your vehicle's suspension system with our aftermarket replacement part. Specifically designed for the rear of the steer axle spring, this spring shackle side bar ensures optimal performance...

BESTfit Shock Absorber Fits PeterbiltEnhance your ride with our shock absorber, designed for superior performance and durability. With a 1.625-inch bore and 9.160-inch stroke, this shock absorber provides reliable support for your vehicle. Its 14.79-inch...

BESTfit 12 Gauge Air Bag ReplacementUpgrade your air ride system with our Air Bag Replacement. It's made to last and fits perfectly with dimensions like 3.90 inches minimum height and 11.40 inches maximum diameter. You'll find it easy to install thanks...

BESTfit Peterbilt Wear Plate With 5/8 Inch MountingEnhance the performance and longevity of your Air Trac Suspension with our Wear Plate. Featuring a 5/8-inch mounting design, this plate comes complete with one wear pad and all necessary mounting...

BESTfit Spring Eye Bushing Fits Peterbilt Air Leaf SuspensionsEnsure smooth operation and stability for your air leaf models with our Eye Bushing kit. Each kit includes essential components like a spring eye sleeve, compression washers, a lock nut,...

BESTfit Bronze Steer Spring Bushing Fits Peterbilt 359 With 3.5 Inch SpringUpgrade your vehicle's steer spring with our Bronze Spring Bushing! This aftermarket replacement part is designed specifically for a 3.5-inch spring, with dimensions of 1.5 inches...

BESTfit Steer Axle Rear Spring Hanger Fits PeterbiltUpgrade your vehicle's suspension with our Spring Hanger, suitable for the rear of the steer axle on either the driver or passenger side! Designed for use with a 4-inch spring, this aftermarket...