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Peterbilt 388 Frame Crossmembers & Covers

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 12 Leaf Spring 10/2PD/2 - 53260 For Hendrickson

    12 Leaf Spring 10/2PD/2 - 53260 For Hendrickson

    AFTERMARKET

    $693.99
    Multi- Leaf Spring With Radius Rod - 12 Leaves* High Quality Leaf Spring* 3 Inch Width* 30 1/4 Inch S.E./L.E.* 6 1/4 Inch Arch* Spring Type- Multi Leaf Spring* Spring Eye- No* Number Of Leaves-12*...
    29-05100043
    SKU:
    29-05100043
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Diameter Options:
    9 Inch
    Width Options:
    3 Inch
    Rating:
    10000 LBS
    Make:
    Trailer
    $693.99
    Qty in Cart: 0
    Price:
    $693.99
    Subtotal:
  • Steering Tie Rod End 1-1/4 Inch-12 Passenger Side Thread W/ 1/2 Inch Lock Bolt Slot

    Steering Tie Rod End 1-1/4 Inch-12 Passenger Side Thread W/ 1/2 Inch Lock Bolt Slot

    AFTERMARKET

    $60.99
    5-3/4 Inch C To End Tie Rod End* High Quality Tie Rod End* Dimensions:  - 5-3/4In C To End  - 1-1/4In-12 Rh Thread* 1-1/4In-12 Rh Thread* With 1/2In Lock Bolt Slot* Height Of Taper- 2 Inch* Sold...
    29-05091223
    SKU:
    29-05091223
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • End Beam Bushing 2-1/2 Inch ID x 4-3/8 Inch OD x 5-1/4 Inch

    End Beam Bushing 2-1/2 Inch ID x 4-3/8 Inch OD x 5-1/4 Inch

    AFTERMARKET

    $89.99
    Hendrickson End Beam Bushing* High Quality Beam Bushing* Rubber* Dimensions:  - 2 1/2 Inch ID   - 4 3/8 Inch OD   - 5 1/4 Length  - 3 1/2 Inch Sleeve* Made In USA* Sold Individually* Warranty On Beam...
    29-05100184
    SKU:
    29-05100184
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • Rear Load Cushion - 70 Durometer For Hendrickson RS 460-520/ 650/ 850/100/1200 Series.

    Rear Load Cushion - 70 Durometer For Hendrickson RS 460-520/ 650/ 850/100/1200 Series.

    AFTERMARKET

    $150.99
    Hendrickson Load Cushion Suspension* High Quality Load Cushion* Dimensions:  - 3.00 Inch Hole Size   - 3.937 Inch Height  - 12.00 Inch Overall Length* 70 Durometer* Made In USA* Sold Individually*...
    29-05100139
    SKU:
    29-05100139
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $150.99
    Qty in Cart: 0
    Price:
    $150.99
    Subtotal:
  • Rear 12 Leaf Spring 12/PD - 25,000 Lbs. Capacity

    Rear 12 Leaf Spring 12/PD - 25,000 Lbs. Capacity

    AFTERMARKET

    $778.99
    Rear 12 Leaf Spring 12/PD* High Quality Leaf Spring* 4 Inch Width* 17 Inch S.E.* 20 3/8 Inch L.E.* 2 13/16 Inch Arch* Spring Type- Multi-Leaf Spring* Number Of Leaves- 12* Capacity- 25000* Bronze...
    29-05100133
    SKU:
    29-05100133
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $778.99
    Qty in Cart: 0
    Price:
    $778.99
    Subtotal:
  • Rear 10 Leaf Spring - 15,500 lbs. Capacity For Hendrickson

    Rear 10 Leaf Spring - 15,500 lbs. Capacity For Hendrickson

    AFTERMARKET

    $626.99
    Hendrickson Leaf Spring -10 Leaves Replaces Part 45027* High Quality Leaf Spring* 4 Inch Width* 17 1/16 Inch S.E.* 20 11/16 Inch L.E.* 3-1/4 Inch Arch* Spring Eye- 1* Number Of Leaves- 10* Capacity-...
    29-05100125
    SKU:
    29-05100125
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $626.99
    Qty in Cart: 0
    Price:
    $626.99
    Subtotal:
  • Rear 12 Leaf Spring 12/PD - 47057, 350033804, 85102483 For Hendrickson

    Rear 12 Leaf Spring 12/PD - 47057, 350033804, 85102483 For Hendrickson

    AFTERMARKET

    $822.99
    Hendrickson Tandem Two RT & RT2 Rear Multi-Leaf SpringThe Hendrickson Leaf Spring replaces the tandem suspensions on RT and RT2 with 33-inch hanger spacing. It has 12 leaves plus a pad and a capacity...
    29-05100004
    SKU:
    29-05100004
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $822.99
    Qty in Cart: 0
    Price:
    $822.99
    Subtotal:
  • Leaf Spring Repair Plate 2-1/2 X 0.447 X 60 Inch W/ 6 Inch Arch

    Leaf Spring Repair Plate 2-1/2 X 0.447 X 60 Inch W/ 6 Inch Arch

    AFTERMARKET

    $85.99
    Spring Steel Repair Plate With No Center Hole* High Quality Repair Plate* Dimensions:  - 2 1/2 Inch Plate Width  - 0.447 Inch Plate Thickness  - 60 Inch Overall Length  - 5.187 Inch Arch* Spring...
    29-05100216
    SKU:
    29-05100216
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • End Beam Bushing 70 Duro - 2-1/2 ID x 4-3/8 OD x 5-1/4 Inch

    End Beam Bushing 70 Duro - 2-1/2 ID x 4-3/8 OD x 5-1/4 Inch

    AFTERMARKET

    $59.99
    End Beam Bushing With 3-1/2 Inch Sleeve* High Quality End Beam Bushing* Rubber* Dimensions:  - 2 1/2 Inch ID   - 4 3/8 Inch OD   - 5 3/4 Inch Length  - 4 1/4 Inch Sleeve* Made In USA* Sold...
    29-05100185
    SKU:
    29-05100185
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • Rear 12 Leaf Spring 12/PD - 22,400 Lbs. Capacity

    Rear 12 Leaf Spring 12/PD - 22,400 Lbs. Capacity

    AFTERMARKET

    $678.99
    Rear Leaf Spring 12/PD* High Quality Leaf Spring* 4 Inch Width* 17 1/16 S.E. * 20 11/16 I.E.* 2 1/2 Inch Arch* Spring Type- Multi-Leaf Spring* Spring Eye- 1* Number Of Leaves- 12* Capacity- 22400 Lbs...
    29-05100154
    SKU:
    29-05100154
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $678.99
    Qty in Cart: 0
    Price:
    $678.99
    Subtotal:
  • Rear 8 Leaf Spring PD/8 - 8,500 Lbs. Capacity

    Rear 8 Leaf Spring PD/8 - 8,500 Lbs. Capacity

    AFTERMARKET

    $762.99
    Rear Leaf Spring PD/8 - 8 Leaves Replaces 47475. 350030035* High Quality Leaf Spring* 3 Inch Width * 19 Inch S.E.* 24 1/4 Inch I.E.* Arch- 2-7/8* Spring Type- Multi-Leaf Spring* Spring Eye-1* Number...
    29-05100140
    SKU:
    29-05100140
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $762.99
    Qty in Cart: 0
    Price:
    $762.99
    Subtotal:
  • Rear Load Cushion For Hendrickson Haulmaax

    Rear Load Cushion For Hendrickson Haulmaax

    AFTERMARKET

    $155.99
    Hendrickson Load Cushion Suspension Replaces E14374, 59257000, 64179002, 2586433C1* High Quality Load Cushion* Threads- 1/2 Inch- 13* (4) Flanged Lock Nut* Made In USA* Sold Individually* Warranty On...
    29-05100136
    SKU:
    29-05100136
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • Rear 13 Leaf Spring - 17,500 Lbs. Capacity For Hendrickson

    Rear 13 Leaf Spring - 17,500 Lbs. Capacity For Hendrickson

    AFTERMARKET

    $795.99
    Hendrickson Leaf Spring - 13 Leaves Replaces Part 45121* High Quality Leaf Spring* 4 Inch Width* 17 1/8 Inch S.E.* 28-1/2 Inch L.E.* Spring Type- Multi- Leaf Spring * Spring Eye- 1* Number Of Leaves-...
    29-05100126
    SKU:
    29-05100126
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $795.99
    Qty in Cart: 0
    Price:
    $795.99
    Subtotal:
  • Rear 10 Leaf Spring - 1500 Capacity For Hendrickson

    Rear 10 Leaf Spring - 1500 Capacity For Hendrickson

    AFTERMARKET

    $552.99
    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-...
    29-05100005
    SKU:
    29-05100005
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Width Options:
    4 Inch
    $552.99
    Qty in Cart: 0
    Price:
    $552.99
    Subtotal:
  • Radius Rod Bushing 2.5 ID X 3.625 OD X 2.5 Inch

    Radius Rod Bushing 2.5 ID X 3.625 OD X 2.5 Inch

    AFTERMARKET

    $82.99
    Radius Rod Bushing Universal* High Quality Radius Rod Bushing* Dimensions:  - 2.50 Inch Length  - 3.625 Inch O.D.   - 2.50 Inch I.D.* Made In USA* Sold Individually* Warranty On Radius Rod Bushings...
    09-05250062
    SKU:
    09-05250062
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • Camshaft Bushing 1.28 ID X 1.885 OD X 1.32 Inch For Eaton Steer Axle

    Camshaft Bushing 1.28 ID X 1.885 OD X 1.32 Inch For Eaton Steer Axle

    AUTOMANN USA

    $3.79
    Camshaft Bushing Replacement Part For R627029, C66837, 28-1264* High Quality Camshaft Bushing* Dimensions:  - 1.28 Inch I.D.   - 1.885 Inch O.D.  - 1.32 Inch Length* Sold Individually* Warranty On...
    09-05170194
    SKU:
    09-05170194
    Material Options:
    Plastic/Poly
    Diameter Options:
    1 1/4 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $3.79
    Qty in Cart: 0
    Price:
    $3.79
    Subtotal:
  • Single Spring Leaf Repair Plate Metric 12.5 MM CBH 70 X 11 mm - 48 Inch OAL W/ 3.31 Inch Arch

    Single Spring Leaf Repair Plate Metric 12.5 MM CBH 70 X 11 mm - 48 Inch OAL W/ 3.31 Inch Arch

    AFTERMARKET

    $76.99
    Spring Steel Repair Plate With 12.5 MM Center Bolt Holes* High Quality Spring Leaf Plate* Dimensions:  - Plate Width- 70Mm  - Plate Thickness- 11Mm  - Divided Length A And B- 24 Inch  - Overall...
    09-05100016
    SKU:
    09-05100016
    Material Options:
    Steel
    Length Options:
    48 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • Main Leaf For 12 Leaf Spring For Hendrickson

    Main Leaf For 12 Leaf Spring For Hendrickson

    AFTERMARKET

    $186.99
    Hendrickson Main Leaf* High Quality Main Leaf* For 12 Leaf Spring* Made In USA* Sold Individually* Warranty On Main Leafs Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-05100003
    SKU:
    09-05100003
    Material Options:
    Steel
    Length Options:
    27 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $186.99
    Qty in Cart: 0
    Price:
    $186.99
    Subtotal:
  • T-Rod Sleeve 1.125 ID X 18 Inch For 3 Piece O And S T Rods

    T-Rod Sleeve 1.125 ID X 18 Inch For 3 Piece O And S T Rods

    AFTERMARKET

    $116.99
    18 Inch Torque Rod Sleeve* High Quality T Rod Sleeve* Dimensions:  - 18 Inch Length   - 1.125 Inch ID* For 3-Piece T-Rods* Made In USA * Sold Individually* Warranty On T Rod Sleeves Against Defects...
    09-05250063
    SKU:
    09-05250063
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    18 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • Camshaft Bushing 1.625 ID X 1.25 OD X 1.625 Inch

    Camshaft Bushing 1.625 ID X 1.25 OD X 1.625 Inch

    AUTOMANN USA

    $3.10
    Camshaft Bushing Replaces 1225R1136, C63104, And 28-1265* High Quality Camshaft Bushing* Dimensions:  - 1.25 Inch I.D.  - 1.625 Inch O.D.  - 1.188 Inch Length* Sold Individually* Warranty On Camshaft...
    09-05170193
    SKU:
    09-05170193
    Diameter Options:
    1 1/2 Inch
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $3.10
    Qty in Cart: 0
    Price:
    $3.10
    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.


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