Frame & Chassis

BESTfit 24 Inch Torque Rod Fits KenworthEnsure reliable suspension support for your Kenworth truck with the BESTfit 24 Inch Torque Rod. Measuring 24 inches from center to center, this high-quality torque rod provides proper alignment and enhanced...

BESTfit Suspension Frame Bracket Fits Kenworth K100, T350-T450, T600, T800 & W900* High Quality Center Frame Bracket* Made Of Aluminum* Dimensions:  - 16.00 Inch Top Outer C To C Width  - 10.00 Inch Top Inner C To C Width  - 13.00 Inch Mid...

BESTfit Bracket Fits KenworthKeep your Kenworth suspension system strong and secure with the BESTfit Gusset Steel Bracket, designed to replace OEM part number K140-1662 for AG100 Air Ride Suspensions. Built from high-quality, heavy-duty steel, this...

BESTfit Torque Arm Bushing - Replaces 350330088, 35033201 & 8079894Keep your Kenworth stable and responsive with the BESTfit Torque Arm Bushing. Replacing 44694000, 4694-000L, and 1693060C1, it features 4.375-inch center-to-center bolt holes for exact...

BESTfit 40 Inch Battery Box Cover Fits Kenworth* High Quality Battery Box Cover* Made Of Economy Aluminum* Diamond Plated* Dimensions:  - 40 Inch Length  - 6.125 Inch From Last Bend In Cover To The Bottom Edge* Sold Individually* Warranty On...

BESTfit Center Frame Bracket Mounting Kit Fits Kenworth AG-200 & AG-400 8 Bag SuspensionSecure your Kenworth AG-200 or AG-400 8-bag suspension with this high-quality BESTfit Bolt Center Frame Bracket Mounting Kit, part number K272-187. Designed to...

BESTfit 23.75 Inch Center To Center Torque Rod Fits Kenworth T800 With Hendrickson SuspensionThis heavy duty suspension torque rod is designed for Hendrickson suspension applications where precise axle control and durability are critical. It features a...

BESTfit 21.25 Inch C To C Center Suspension Frame Bracket* High Quality Frame Bracket* Steel* 21.25 Inch C To C* For Center Suspension* Made In USA* Sold Individually * Warranty On Frame Brackets Against Defects In Workmanship & Material From Date Of...

BESTfit Diamond Plate Aluminum Battery Box CoverAre you looking for an aftermarket cover for your battery box? 4 State Trucks offers this Economy battery box cover that will keep the connections protected and secured. Fit for Kenworth models, it replaces...

BESTfit Bushing Fits Kenworth Rear AG200, AG230, AG400 & AG460 Suspensions* High Quality Poly Bushing* Rotational With High Articulation Notched Pin* Premium Poly* Airglide 200, 46K, Adz Series* Do Not Use With Aluminum Type T-Rods* Bushing (Type 1)...

Kenworth 70 MM Stabilizer Bushing Replaces E-10302, R3010302* High Quality Stabilizer Bushing* Dimensions - 54 Mm ID - 78 Mm OD - 70 Mm Length* Sold Individually* Warranty On Stabilizer Bushings Against Defects In Workmanship & Material...

BESTfit Square U-Bolt Kit Fits Kenworth C500, K100, T600 & T800Ensure your Kenworth suspension system performs with unwavering stability using the BESTfit Square U-Bolt Kit 3/4 x 4 x 8.875 Inch. This rugged kit directly replaces 680-322-07-25 and...