null

Peterbilt 388 Frame Crossmembers & Covers

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 17-11/32 Inch Fixed Torque Rod W/ Bushings - DT1675-ROT For Peterbilt

    17-11/32 Inch Fixed Torque Rod W/ Bushings - DT1675-ROT For Peterbilt

    AFTERMARKET

    $284.99
    17-11/32 Inch C To C 17-11/32 Inch Fixed Torque RodThe 17 11/32 Inch Fixed Torque Rod with Bushings DT1675 ROT is a durable and reliable suspension component designed to enhance vehicle stability and...
    01-05100003
    SKU:
    01-05100003
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    17 1/4 Inch
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $284.99
    Qty in Cart: 0
    Price:
    $284.99
    Subtotal:
  • 22-7/8 Inch Crimped Fixed Torque Rod W/ Non Rotating Bushings For Peterbilt

    22-7/8 Inch Crimped Fixed Torque Rod W/ Non Rotating Bushings For Peterbilt

    AFTERMARKET

    $232.99
    22-7/8 Inch C To C Fixed Torque Rod W/ Crimped Style Rod EndsEnsure optimal suspension performance with the 22 7/8 Inch Crimped Fixed Torque Rod equipped with Non-Rotating Bushings. Built to...
    01-05100005
    SKU:
    01-05100005
    Length Options:
    23 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $232.99
    Qty in Cart: 0
    Price:
    $232.99
    Subtotal:
  • 22-7/8 Inch Crimped Torque Rod W/ Non Rotating Bushings For Peterbilt

    22-7/8 Inch Crimped Torque Rod W/ Non Rotating Bushings For Peterbilt

    AFTERMARKET

    $156.99
    22-7/8 Inch C To C Torque Rod W/ Crimped Style Rod EndsThe 22 7/8 Inch Crimped Torque Rod with Non-Rotating Bushings is engineered to provide superior suspension stability and control for heavy-duty...
    01-05100004
    SKU:
    01-05100004
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    23 Inch
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
  • Hanger Assembly For Hendrickson Turner Lift Axle

    Hanger Assembly For Hendrickson Turner Lift Axle

    AFTERMARKET

    $732.99 - $746.99
    Protect your suspension system and improve lift axle performance with the Hendrickson Turner Lift Axle Hanger Assembly. Available for driver and passenger sides, providing precise fitment and secure...
    PPR_206774
    SKU:
    PPR_206774
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $732.99 - $746.99
    Qty in Cart: 0
    Price:
    $732.99 - $746.99
    Subtotal:
  • Frame Bracket For Hendrickson Turner Lift Axle

    Frame Bracket For Hendrickson Turner Lift Axle

    AFTERMARKET

    $468.99
    Choose Option(s) to see description.Frame Bracket, Driver Side - Replaces D147861 For Hendrickson Turner Lift AxleDriver Side Frame Bracket Replaces D147861* High Quality Frame Bracket* Driver Side*...
    PPR_206773
    SKU:
    PPR_206773
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $468.99
    Qty in Cart: 0
    Price:
    $468.99
    Subtotal:
  • 17.92 Inch Adjustable Torque Rod W/ 1-1/4 In OD Shaft - Replaces 90045492

    17.92 Inch Adjustable Torque Rod W/ 1-1/4 In OD Shaft - Replaces 90045492

    AFTERMARKET

    $572.99
    17-59/64 Inch C To C Torque Rod Replaces 90045492* High Quality Torque Rod* 1-1/4 Inch Shaft Diameter* 17-59/64 Inch C To C* (2) Torque Rod Bushing* Side A And B Bushing- Straddle* Type- Simple* Made...
    29-05100217
    SKU:
    29-05100217
    Material Options:
    Steel
    Length Options:
    18 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $572.99
    Qty in Cart: 0
    Price:
    $572.99
    Subtotal:
  • Aluminum Frame Mount Steps 24 Inch By Merritt

    Aluminum Frame Mount Steps 24 Inch By Merritt

    MERRITT

    $297.99
    Aluminum 24 inch Wide Frame Mount Step With 2 StepsThe Merritt 24-inch wide bright aluminum frame mount step with 2 steps is light yet sturdy, providing easy and secure access to your Class 8 semi...
    3000
    SKU:
    3000
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Location:
    Made In USA
    Width Options:
    24 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $297.99
    Qty in Cart: 0
    Price:
    $297.99
    Subtotal:
  • Hutch Stop Bar - 48 Inch Frame W/ 46 Inch Tube

    Hutch Stop Bar - 48 Inch Frame W/ 46 Inch Tube

    AFTERMARKET

    $109.99
    Hutch Stop Bar Replaces 1164210* High Quality Stop Bar* 48 Inch Frame Width * 46 Inch Tube* Made In USA* Sold Individually* Warranty On Stop Bars Against Defects In Workmanship & Material From Date...
    29-05100223
    SKU:
    29-05100223
    Truck Class:
    Heavy Duty
    Length Options:
    46 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $109.99
    Qty in Cart: 0
    Price:
    $109.99
    Subtotal:
  • 22 Inch Sealed Torque Rod W/ 1-1/8 In OD Shaft, Non-Rebushable - Replaces 90045017

    22 Inch Sealed Torque Rod W/ 1-1/8 In OD Shaft, Non-Rebushable - Replaces 90045017

    AFTERMARKET

    $685.99
    22-1/4 Inch C To C Sealed Type Torque Rod W/ 1-1/8 Inch Diameter Shaft Replaces 90045017* High Quality Torque Rod* 1-1/8 Inch Shaft Diameter* 22-1/4 Inch C To C* Sealed Type* Non-Rebushable* Side A -...
    29-05100183
    SKU:
    29-05100183
    Truck Class:
    Heavy Duty
    Length Options:
    22 1/4 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $685.99
    Qty in Cart: 0
    Price:
    $685.99
    Subtotal:
  • Driver Side 5.625 Inch Tie Rod End W/ 1-1/8 Inch-12 Thread Replaces 132285 For TAS65 Steer Gear

    Driver Side 5.625 Inch Tie Rod End W/ 1-1/8 Inch-12 Thread Replaces 132285 For TAS65 Steer Gear

    AFTERMARKET

    $81.99
    5.625 Inch C To E Driver Side Tie Rod EndMaximize control and stability on your TAS65 steer gear with the Driver Side 5.625 Inch Tie Rod End with 1-1/8 Inch-12 Thread, designed to replace 132285...
    29-05090149
    SKU:
    29-05090149
    Length Options:
    6 5/8 Inch
    Material Options:
    Steel
    Position:
    Driver Side
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • Tie Rod End 7.25 Inch W/ 1-1/4 Inch-18 Thread Pitch - Passenger Side

    Tie Rod End 7.25 Inch W/ 1-1/4 Inch-18 Thread Pitch - Passenger Side

    AFTERMARKET

    $54.99
    7.25 inch Center to End Tie Rod End* High Quality Tie Rod End* 7.25 Inch Center To End * Thread Pitch 1-1/4 Inch-18* Height Of Taper- 2.531 Inch* Taper Minor Diameter- 1.08 Inch* Taper Major...
    29-05090151
    SKU:
    29-05090151
    Material Options:
    Steel
    Length Options:
    7 1/4 Inch
    Position:
    Passenger Side
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • 53.54 Inch Cross Tube - 1.75 In OD, 1-1/4 In-12 Ends Replaces 970581

    53.54 Inch Cross Tube - 1.75 In OD, 1-1/4 In-12 Ends Replaces 970581

    AFTERMARKET

    $125.99
    53.54 Inch C To C Cross Tube Replaces 970581, A3102S4543, A3102Y3847, 370044412Replace worn or damaged cross tubes with the 53.54 Inch Cross Tube. Featuring a 1.75-inch O.D., 1-1/4 Inch-12 ends, and...
    29-05090145
    SKU:
    29-05090145
    Length Options:
    53 1/2 Inch
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $125.99
    Qty in Cart: 0
    Price:
    $125.99
    Subtotal:
  • 60.875 Inch Cross Tube - 1.75 In OD, 1-1/4 In-12 Ends Replaces A3102W2909

    60.875 Inch Cross Tube - 1.75 In OD, 1-1/4 In-12 Ends Replaces A3102W2909

    AFTERMARKET

    $179.99
    60.875 Inch C To C Cross Tube Replaces A3102W2909* High Quality Cross Tube* 1-1/4 Inch-12 I.D.* 1.75 Inch O.D.* 60.875 Inch Length* Made In USA* Sold Individually * Warranty On Cross Tubes Against...
    29-05090147
    SKU:
    29-05090147
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    61 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $179.99
    Qty in Cart: 0
    Price:
    $179.99
    Subtotal:
  • 60.56 Inch Cross Tube, 1.625 In OD, 1-1/8 In-12 Ends Replaces 140TR107

    60.56 Inch Cross Tube, 1.625 In OD, 1-1/8 In-12 Ends Replaces 140TR107

    AFTERMARKET

    $211.99
    60.56 Inch C To C Cross Tube Replaces 140TR107 1005693, 1006145* High Quality Cross Tube* 1-1/8 Inch-12 I.D.* 1.625 Inch O.D.* 60.560 Inch Length* Made In USA* Sold Individually * Warranty On Cross...
    29-05090141
    SKU:
    29-05090141
    Length Options:
    60 1/2 Inch
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $211.99
    Qty in Cart: 0
    Price:
    $211.99
    Subtotal:
  • 56 Inch Cross Tube - 2 In OD, 1-1/4 In-12 Ends Replaces 820633

    56 Inch Cross Tube - 2 In OD, 1-1/4 In-12 Ends Replaces 820633

    AFTERMARKET

    $183.99
    56 Inch C To C Cross Tube Replace 820633* High Quality Cross Tube* 1-1/4 Inch-12 I.D.* 2.00 Inch O.D.* 56.00 Inch Length* Made In USA* Sold Individually * Warranty On Cross Tubes Against Defects In...
    29-05090139
    SKU:
    29-05090139
    Truck Class:
    Heavy Duty
    Length Options:
    56 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $183.99
    Qty in Cart: 0
    Price:
    $183.99
    Subtotal:
  • 20 Inch Fixed Torque Rod W/ 1-1/4 In OD Shaft, Passenger Side

    20 Inch Fixed Torque Rod W/ 1-1/4 In OD Shaft, Passenger Side

    AFTERMARKET

    $615.99
    Driver Side 20 Inch C To C Torque Rod Replaces 90045485* High Quality Torque Rod* Includes  - 4.375 Inch Torque Rod Bushing  - 8 Inch Torque Rod Bushing* 1-1/4 Inch Shaft Diameter* 20 Inch C To C*...
    29-05100182
    SKU:
    29-05100182
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Position:
    Passenger Side
    Length Options:
    20 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $615.99
    Qty in Cart: 0
    Price:
    $615.99
    Subtotal:
  • 19.625 Inch Adjustable Torque Rod, 1-1/4 Inch Dia Replaces 90045539

    19.625 Inch Adjustable Torque Rod, 1-1/4 Inch Dia Replaces 90045539

    AFTERMARKET

    $573.99
    19.625 Inch C To C Torque Rod Replaces 90045539* High Quality Torque Rod * 19.625 Inch * Shaft Diameter- 1-1/4 Inch* (2) Torque Rod Bushing* Side A And B- Straddle* Made In USA* Sold Individually *...
    29-05090131
    SKU:
    29-05090131
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    19 5/8 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $573.99
    Qty in Cart: 0
    Price:
    $573.99
    Subtotal:
  • Tie Rod End 5.625 Inch W/ 1-1/8 Inch-12 Thread- Passenger Side

    Tie Rod End 5.625 Inch W/ 1-1/8 Inch-12 Thread- Passenger Side

    AFTERMARKET

    $81.99
    5.625 Inch Length C To E Passenger Side Tie Rod End Replaces 132284For smooth steering and consistent response, this passenger side tie rod end offers a rugged design and precision fit. The 1-1/8...
    29-05090150
    SKU:
    29-05090150
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Length Options:
    5 5/8 Inch
    Position:
    Passenger Side
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • 55.50 Inch Cross Tube - 2.50 In OD, 1-5/8 In-12 Ends

    55.50 Inch Cross Tube - 2.50 In OD, 1-5/8 In-12 Ends

    AFTERMARKET

    $334.99
    55.50 Inch C To C Cross Tube* High Quality Cross Tube* 55.50 Inch Length* 2.50 Inch O.D.* 1-5/8 Inch-12 I.D.* (2) Sleeve Adapters At 1-5/8 Inch 12 OD To 1-1/4 Inch-12 ID Threading On Both Sides* Made...
    29-05090127
    SKU:
    29-05090127
    Material Options:
    Steel
    Length Options:
    55 1/2 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $334.99
    Qty in Cart: 0
    Price:
    $334.99
    Subtotal:
  • 64 Inch Cross Tube - 2 In OD, 1-1/4 Inch-12 Ends Replaces 820635

    64 Inch Cross Tube - 2 In OD, 1-1/4 Inch-12 Ends Replaces 820635

    AFTERMARKET

    $233.99
    64 Inch Cross Tube Replaces 820635Built for toughness and precision, this 64 Inch Cross Tube offers superior strength for your truck's steering system. With a 2.00-inch outer diameter and 1-1/4...
    29-05090125
    SKU:
    29-05090125
    Length Options:
    64 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $233.99
    Qty in Cart: 0
    Price:
    $233.99
    Subtotal:
  • Total: items /

Adding your products to cart

Enhance your Peterbilt 388 with durable Peterbilt 377, 378, 388, and 389 frame crossmembers and stylish covers. From stainless steel and aluminum options to fiberglass and steel designs, this product lineup offers a variety of high-quality products to protect your truck's rear frame. Keep your rig looking its best with customizable covers that feature notch cutouts, light openings, and emblem mounts. Plus, find the right walking beam components to ensure a smooth, comfortable ride. Whether you're restoring a classic Peterbilt or upgrading a newer model, this collection of frame crossmembers and covers has everything you need to elevate your Peterbilt 388's appearance and functionality.

Frequently Asked Questions About Peterbilt 388 Frame Crossmembers & Covers

What are frame crossmembers and covers used for on a Peterbilt 388?

Frame crossmembers are structural components that run horizontally between the frame rails, providing rigidity and support for the chassis, while covers protect these areas from road debris, moisture, and corrosion. Together they help maintain frame integrity and give the underside of the truck a cleaner, finished appearance.

Will these crossmembers and covers fit my specific Peterbilt 388 configuration?

Fitment can vary depending on wheelbase, frame rail spacing, and whether your truck has factory or aftermarket modifications. It is important to check the listed specifications and, when possible, compare part numbers with your truck's build sheet or consult with our parts team before ordering to confirm a proper fit.

What materials are these parts made from, and how well do they hold up over time?

Most crossmembers and covers are constructed from steel or aluminum, depending on the specific part and application. Steel components typically offer strength and durability for structural crossmembers, while aluminum covers are often chosen for their corrosion resistance and lighter weight. Finish options may include raw metal, painted, or powder-coated surfaces to help resist rust and wear from daily use.

Can I install a crossmember or cover myself, or should I have a professional do it?

Covers are generally straightforward to install with basic tools and can often be handled by anyone comfortable with routine truck maintenance. Structural crossmembers, however, are load-bearing components, and improper installation can affect frame integrity and safety. For crossmember replacement or modification, we recommend having the work done by a qualified technician familiar with frame repairs.

How do I know if my current crossmember or cover needs to be replaced?

Common signs include visible rust or corrosion, cracks, bending, loose or missing mounting hardware, or a cover that no longer sits flush and allows debris underneath. If you notice any flexing or unusual noise from the frame area while driving, it is a good idea to have the crossmember inspected as soon as possible.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!