Frame & Chassis

BESTfit Trailer Leaf Spring Center Tie BoltKeep your Peterbilt or Kenworth securely fastened with the BESTfit Center Bolt 1/2 - 20 X 6 Inch W/ 3/4 Inch Head. This high-quality center bolt features a fine pitch for optimal threading and comes complete...

BESTfit Rolling Lobe Style Air Spring With Plastic BaseMaintain smooth, controlled rides with the BESTfit Rolling Lobe Air Spring with Plastic Base for Hendrickson suspensions. Supporting 5,900 lbs at 80 PSI and 7,500 lbs at 100 PSI, and built with a 60...

BESTfit Neway Rubber Down Strap* High Quality Air Suspension Strap* Made Of Rubber* Used On Neway/Holland Rear ARDAB120-5. ARDAB238-5. ARDAB240-5* Dimensions:  - 12 Inch Length  - 2 Inch Width  - (2) 0.825 Inch Inner Diameter Ends* Sold...

BESTfit 10 Leaf Spring Replaces 45027000, H45027000, 471347C91* High Quality Rear Leaf Spring* 4 Inch Width* S.E.- 17 1/16 Inch * L.E.- 20 11/16 Inch* Arch 3 1/4 Inch* Multi-Leaf Spring* Number Of Leaves- 10* Capacity- 15500* Center Bolt Size- 1/2 Inch X...

BESTfit Grade 8 - 3/4 Inch Diameter Semi-Round Bend U Bolt KitRestore proper suspension clamping on your truck with the BESTfit Semi Round U-Bolt Kit for International and Peterbilt models. Featuring two 12.25-inch U-bolts, matching washers, and Grade 8...

BESTfit Torque Rod Bracket Fits International ProStarEnsure precise torque rod placement with this BESTfit Torque Rod Bracket, designed for International ProStar. Its 0.625-inch diameter, 3.100-inch inside width, and 4.375-inch center-to-center...

Kenworth Silent Block Spring Pin W/ Bushing By BESTfitMaintain smooth and quiet operation with the BESTfit Silent Block Spring Pin W/ Bushing for Kenworth. With 5.75 inch center-to-center and 7.125-inch overall length, plus a 1.063-inch ID and 1.75-inch...

BESTfit Rubber Bushing Kit Replaces 140149, 8057131Keep your truck's shocks and shackles secure with the BESTfit Bushing Kit with 4 Rubber Shackles & Shock Bushings for EB2 type ends. Featuring durable rubber bushings (0.750-inch ID, 1.438-inch OD), this...

Auto Slack Adjuster 1-1/4-10 X 5-1/2 Inch* High Quality Automatic Slack Adjuster* Dimensions:  - 1 1/4 Inch- 10   - 5 1/2 Inch Arm  - 1/2 Inch- 20 Clevis* Meritor Type* Unhanded* Clevis Kit (Included)* Made In USA* Sold Individually*...

BESTfit Hadley Style Height Control Valve Fits International ProStar* High Quality Height Control Valve* Includes  - Brackets (1 Is A Larger Upper Bracket and 1 Is An L-Type Lower Bracket For IHC Applications  - Hardware* Sold As Set* Warranty...

BESTfit Spring Eye BushingSuspension components take a beating, which is why the BESTfit Silent Block Spring Bushing & Pin is built for strength and accuracy. Featuring a 1.750-inch outer shell diameter, 4.063-inch shell length, and 6.312-inch lock notch...

OE Fit Hadley Style Height Control Valve* High Quality Height Control Valve* Hadley Style * OE Fit* 1 of a 1/4in 90 Degree Stem Fitting and 1 of a 3/8in 90 Degree Stem * Fitting and 1 of 3/8in Stem Plug* 3 Different Levers* Mounting Bolts* Air Line to...