FRAME, CHASSIS, & MUDFLAPS

BESTfit Rear Spring Bushing Mount Fits PeterbiltThis low air leaf spring bushing mount is specifically designed for Peterbilt low air leaf suspension systems. It is a low mount, and please note that the spring bushing is sold separately. Each mount is...

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 24 Inch Torque Rod Fits Kenworth Upgrade your vehicle's suspension system with our aftermarket torque rod, designed to deliver exceptional performance and durability. With a length of 24 inches (center to center), this torque rod ensures precise...

BESTfit Torque Arm Mount Bracket Fits KenworthUpgrade your air suspension system with our aftermarket replacement bracket, designed for a 2-inch standout. Sold individually, this bracket offers durability and reliability without the OEM price tag...

BESTfit Cross Shaft For Landing GearUpgrade your vehicle's cross shaft with our aftermarket replacement part, designed to fit shafts ranging from 53 to 72 inches. Replacing OEM numbers 04-552-X and PROLG-XS53-72, as well as 905.700.344 and 905700344,...

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 Mounting Enhance 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,...