Frame & Chassis

33.50 Inch End Of Frame Crossmember Fits PeterbiltUpgrade your rig with this high-quality Aluminum Rear Crossmember, designed to replace OEM part number 01-45151M000. Engineered for strength and durability, this lightweight aluminum crossmember offers...

Peterbilt Stainless Steel U-Bolt For Mounting 9.5 Inch Diameter Air TankThis 9.5 Inch Diameter Air Tank Mounting U-Bolt Fits Peterbilt 359, 378 and 379 is designed to replace your OE G34-6009 factory style mounting U-bolts. Manufactured from the highest...

BESTfit 8 Inch Diameter Air Tank Mounting U-BoltThis BESTfit 8 Inch Diameter Air Tank Mounting U-Bolt Fits Peterbilt 359, 378 and 379 is designed to replace your factory style mounting U-bolts. Manufactured from the highest quality stainless steel and...

BESTfit 1/16 Inch Thrust Angle Shims For Peterbilt Air Leaf SuspensionsThe BESTfit 1/16 Inch Thrust Angle Shim is a precision-engineered suspension component designed to enhance alignment and handling for heavy-duty trucks. Crafted to fit a variety of...

BESTfit 1/8 Inch Thrust Angle Shims For Peterbilt With Air Leaf SuspensionThe BESTfit 1/8 Inch Thrust Angle Shim is built to deliver precise thrust angle adjustments for heavy-duty trucks. Designed to improve alignment accuracy, this rugged and reliable...

BESTfit 3.625 To 19.625 Inch Adjustable Leveling Valve Linkage KitThe BESTfit 3.625 to 19.625 Inch Adjustable Leveling Valve Linkage Kit offers a versatile solution for precise suspension adjustments on heavy-duty trucks. Designed to fit a wide range of...

BESTfit Frame-Mount Bump Stop Fits Peterbilt New Low Air Leaf SuspensionsProtect your truck's suspension with the BESTfit Bump Stop, engineered to replace OEM part 01-52865 with precision fit and durability. This bump stop reduces suspension stress by...

BESTfit 6.625 Inch Center To Center U-Bolt Saddle For Peterbilt New Low Air Leaf SuspensionReplace your worn U-bolt saddle with the BESTfit 8.125 Inch OAL U-Bolt Saddle, made to match OEM 03-08712 specifications. Built from strong materials, it delivers...

BESTfit Air Spring Stud Fits Peterbilt New Low Air Leaf SuspensionThe BESTfit 8.04 Inch Overall Length Air Spring Stud is a premium replacement component designed to perfectly match OEM part number 27-01746. Built for heavy-duty trucks and commercial...

BESTfit Air Spring Stud For Peterbilt Low Air Leaf SuspensionDesigned for heavy-duty trucks, the BESTfit 1/2-13, 1/2-20 x 6 Inch Air Spring Stud replaces OEM part 27-00972 with precision fit and lasting durability. Its rugged construction ensures...

BESTfit Single Leaf Z Spring Fits Peterbilt New Low Air Suspension Rear Driver SideDesigned for Peterbilt trucks with New Low Air Suspension, the BESTfit Rear Driver Single Leaf Z Spring offers a dependable replacement option for the rear driver side...

BESTfit 8 Inch Air Tank Fits PeterbiltThe Bestfit polished aluminum 8-inch diameter air tank is engineered to meet the demands of heavy-duty trucking with superior durability and corrosion resistance. Its polished aluminum construction not only protects...