Peterbilt 357/378 Frame & Chassis

BESTfit Mill Finish Aluminum Frame StepUpgrade your vehicle with our Aluminum Frame Step, designed for durability and style. With a sleek mill finish, this frame step adds a touch of elegance to your ride. Measuring 13.75 inches in width and 27.25 inches...

0.125 Inch Thick Equalizer Thrust Washer Replaces 48100123, SRK79 * High Quality Washer* 5.75 Inch OD * 3.50 Inch ID * 0.125 Inch Thickness* Sold Individually * Warranty On Washers Against Defects In Workmanship & Material From Date Of Purchase*** High...

16 Gauge 304 Stainless Steel Coffin Style Air Line Box By Chrome Shop MafiaThis 24-inch CSM Coffin Style air line box is made of 16 Gauge 304 stainless steel and is corrosion-resistant. It has openings for two electric plugs and mounts down securely to...

Cabin Torque Rod Bushing Replaces 15000896, 1500-0896 * High Quality Cabin Torque Rod* 2.078 Inch Length* 1.437 Inch O.D.* 0.625 Inch I.D.* Sold Individually* Warranty On Cabin Torque Rods Against Defects In Workmanship & Material From Date Of...

12 Gauge Wash Board Step Plates Stainless SteelProvide grip to any smooth surface with this pair of quality stainless steel step plates. Their raised washboard style design provides an excellent and easy to install skid resistance surface you can add to...

BESTfit Steel Spring Hanger Fits Peterbilt Low Air Leaf Suspension * High Quality Spring Hanger* Cast Steel* Low Mount Air Leaf* Front Of Rear* 3.930 Inch Center To Center* 3.143 Inch* 0.645 Inch* 2.623 Inch* 0.500 Inch* 3.790 Inch* Sold Individually*...

BESTfit U Bolt Kit - Replaces 15983092, 15983095, 15983097, 453895C1, 465916C1, 465916C91 & 201375100 * High Quality U Bolt Kit* U Bolt Type Semi-Round Bend* Grade 8* U Bolt Diameter 3/4 Inch* Width 4.000 Inch* Length 10.250 Inch* Sold As Kit* Warranty...

BESTfit Square U-Bolt Kit Fits Peterbilt Rear Air Leaf - Includes 4 Washers & 4 Deep Nuts * High Quality U Bolt Kit* Square U-Bolt* 3/4 X 4 X 6.75 Inch* Kit Includes:- 2 U-Bolts- 4 - 3/4 Inch Washers- 4 - 3/4 Inch Deep Nuts* Sold As Kit* Warranty On U...

BESTfit 4 Inch Center To Center Side Bar With 1 Inch Pin Hole Fits Peterbilt COE & Conventional 1982-Current * High Quality Side Bar* 6.32 Inch Overall Length* 1.9 Inch Width* 1 Inch Pin Hole* 4 Inch Center To Center* 1.262 Inch Thick* Sold Individually*...

SS Blank Air Line Box By Chrome Shop Mafia * High Quality Air Line Box* Stainless Steel * Blank For Custom Cuts* Made In USA* Sold Individually * Warranty On Air Line Boxes Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...

57 Inch C To C Cross Tube Replaces A3102T3452 * High Quality Cross Tube* 57.00 Inch Length* 1.50 Inch O.D.* 1-1/8 Inch-12 I.D.* Made In USA* Sold Individually* Warranty On Cross Tubes Against Defects In Workmanship & Material From Date Of Purchase***...

BESTfit Steel Cast #B11-1033 Fits Peterbilt COE & Conventional 1982-Current * High Quality Shackle Hanger* Cast # B11-1033* Steel* Sold Individually* Warranty On Shackle Hanger Against Defects In Workmanship & Material From Date Of Purchase***High...