Frame & Chassis

BESTfit Battery Box Fits KenworthProtect your battery with this great looking diamond plate aluminum battery box. It comes as a complete assembly and has a solid center step for convenience. It is made in North America and is sold individually.* High...

BESTfit Parabolic Steer Axle Leaf Spring* High Quality Parabolic Steer Axle Leaf Spring* 4 Inch OAL* 1.75 O.D.* 1 3/8 Inch * 6 Threads* Sold Individually * Warranty On Parabolic Steer Axle Leaf Spring Against Defects In Workmanship & Material From Date...

BESTfit Aluminum Complete Battery Box With Diamond Plate FinishLooking for an affordable battery box cover that can withstand the wear and tear of being on the road? 4 State Trucks offers this durable and rust resistant 40-inch BESTfit Kenworth style...

27 x 17.5 x 18 Inch Fiberglass Battery Box Cover* High Quality Battery Box Cover* Fiberglass* 27 Inch Length * 17.5 Inch Width* 18 Inch Height * Sold Individually* Warranty On Battery Box Covers Against Defects In Workmanship & Material From Date Of...

BESTfit 3.53 Inch Center To Center X 2 Inch Wide Aluminum Side Bar Fits Kenworth T300* High Quality Side Bar* Aluminum* 5.92 Inch Overall Length* 3.53 Inch Center To Center* 2 Inch Wide* 1.25 Inch Pin Hole* Sold Individually* Warranty On Side Bar Against...

BESTfit 5.063 Inch C To C Side Bar W/ 1/2 Inch Offset Replaces K20955, K20954, K20984* High Quality Side Bar* Dimensions:  - 7.50 Inch Length - 2.00 Inch Width - 5.063 Inch C To C - 1.125 Inch Height* Hole Size- 1.063 Inch* Lock Hole-...

BESTfit Shock Bracket Stud* High Quality Shock Bracket Stud* Lower* T2000 Front* M16 - 2.00 Thread* M20 - 2.50 Thread* 220.50MM Overall Length* Sold Individually* Warranty On Shock Bracket Studs Against Defects In Workmanship & Material From Date Of...

BESTfit 34 x 9 1/2 Inch Step Panel For Lower Battery/ Tool BoxAt 4 State Trucks, we offer this 34 inch BESTfit replacement lower step panel for a Kenworth battery/toolbox. It is 9.5 inches wide and constructed of durable aluminum with tread to reduce...

BESTfit Battery Box Cover Fits KenworthThis battery box cover is built from durable diamond-plated aluminum and measures 34 inches in length. It's tough, reliable, and ready to protect your battery.* High Quality Battery Box Cover* Made Of Diamond Plated...

BESTfit Battery Box Cover With Built In Center StepProtect your battery with this economy style diamond plate aluminum battery box cover. It is 45 inches long and fits Kenworth W900A and W900B Kenworth models. The cover is made in North America and is...

BESTfit Upper Step Panel Fits KenworthDirect replacement aluminum step built for Kenworth trucks. Fits standard battery box and tool box configurations with 32-inch length. Professional-grade construction for daily use.* High Quality Step Panel* Made Of...

BESTfit Diamond Plate Battery BoxAre you looking for a strong box to cover your battery at a great price? 4 State Trucks have what you need with this economy complete assembly battery box. Constructed with a durable and great looking diamond plate...