FRAME, CHASSIS, & MUDFLAPS

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,...

BESTfit Air Bag Fits Mack And VolvoUpgrade your rear suspension system with our premium Air Bag, designed for optimal performance and durability. Sold individually, this aftermarket replacement part (not OEM) is engineered to replace OE numbers 1R12-595,...

BESTfit Spring Pin Double Lock Fits Peterbilt & KenworthOur double lock, designed to fit 4-inch springs, offers enhanced security and durability for your vehicle's suspension system. With precise measurements of 8.859 inches, including lock notches at 5...

BESTfit Torque Arm AdjustableUpgrade your vehicle with our reliable non-adjustable arm, measuring 19.250 inches. Sold individually as an aftermarket replacement part, it replaces OEM numbers 20436, 71500, and many more. This arm ensures sturdy support...

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...