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International WorkStar Frame & Chassis

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Parabolic Front Extra Leaf Spring

    Parabolic Front Extra Leaf Spring

    AFTERMARKET

    $195.99 - $271.99
    Choose Option(s) to see description.Parabolic Extra Leaf - 1,800 Lbs. CapacityLeaf Spring Full Tapered Parabolic Extra Leaf* High Quality Parabolic Extra Leaf* 26 Inch S.E.* 30 Inch L.E.* 6 Inch...
    PPR_298948
    SKU:
    PPR_298948
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $195.99 - $271.99
    Qty in Cart: 0
    Price:
    $195.99 - $271.99
    Subtotal:
  • Leaf Spring Repair Plate 2-1/2 X 0.401- 60 Inch OAL W/ 6 Inch Arch

    Leaf Spring Repair Plate 2-1/2 X 0.401- 60 Inch OAL W/ 6 Inch Arch

    AFTERMARKET

    $75.99
    Spring Steel Repair Plate With No Center Hole* High Quality Repair Plate* Dimensions:  - 2 1/2 Inch Plate Width  - 0.401 Inch Plate Thickness  - 60 Inch Overall Length  - 5.187 Inch Arch* Repair...
    29-05100234
    SKU:
    29-05100234
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $75.99
    Qty in Cart: 0
    Price:
    $75.99
    Subtotal:
  • End Beam Bushing 2 1/2 ID X 4 3/8 OD X 5 3/4 Inch For Hendrickson Rear

    End Beam Bushing 2 1/2 ID X 4 3/8 OD X 5 3/4 Inch For Hendrickson Rear

    AFTERMARKET

    $85.99
    Beam End Bush Replaces 29878-001L, F184244* High Quality Bushing* Rubber* Dimensions:  - 2-1/2 Inch ID  - 4-3/8 Inch OD   - 5-3/4 Inch Length* With 4-1/4 Inch Sleeve* Made In USA* Sold Individually*...
    29-05100188
    SKU:
    29-05100188
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    5 3/4 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • 4 Leaf Lift Axle Spring - 26 Inch 2,600 Lb. Capacity

    4 Leaf Lift Axle Spring - 26 Inch 2,600 Lb. Capacity

    AFTERMARKET

    $258.99
    Leaf Spring Assembly - 4 Leaves* High Quality Lift Axle Spring* 4 Leaf* Made In USA* Sold Individually* Warranty On Lift Axle Springs Against Defects In Workmanship & Material From Date Of...
    29-05200003
    SKU:
    29-05200003
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $258.99
    Qty in Cart: 0
    Price:
    $258.99
    Subtotal:
  • Rear Rebound Roller - 58631-000. 58631000 For Hendrickson

    Rear Rebound Roller - 58631-000. 58631000 For Hendrickson

    AUTOMANN USA

    $8.80
    3.25 Inch Hendrickson Rebound Roller* High Quality Rebound Roller* Dimensions:  - 3.25 Inch Length  - 1.07 Inch O.D.  - 0.535 Inch I.D.* Made In USA* Sold Individually* Warranty On Rebound Rollers...
    29-05100179
    SKU:
    29-05100179
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $8.80
    Qty in Cart: 0
    Price:
    $8.80
    Subtotal:
  • Leaf Spring Repair Plate 15/32 CBH 2.5 X 0.323 - 60 Inch OAL W/ 5.187 Inch Arch

    Leaf Spring Repair Plate 15/32 CBH 2.5 X 0.323 - 60 Inch OAL W/ 5.187 Inch Arch

    AFTERMARKET

    $61.99
    Leaf Spring Repair Plate 15/32 CBH* High Quality Repair Plate* Dimensions:  - 2 1/2 Inch Plate Width  - 0.323 Inch Plate Thickness  - 30 Inch Divided Length A And B  - 60 Inch Overall Length  - 5.187...
    29-05100227
    SKU:
    29-05100227
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Center Bushing With Welded Plug For Hendrickson 380-480 Series W/ T-Rods

    Center Bushing With Welded Plug For Hendrickson 380-480 Series W/ T-Rods

    AFTERMARKET

    $165.99
    Hendrickson Center Bushing Replaces 5919-000, F184204* High Quality Bushing* Dimensions:  - 2 1/2 Inch ID   - 4.75 Inch OD   - 12 Inch Length* Welded Plug* Made In USA* Sold Individually* Warranty On...
    29-05100186
    SKU:
    29-05100186
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    12 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $165.99
    Qty in Cart: 0
    Price:
    $165.99
    Subtotal:
  • Rear Load Cushion - 60 Durometer For Hendrickson RS 340-400 Series

    Rear Load Cushion - 60 Durometer For Hendrickson RS 340-400 Series

    AFTERMARKET

    $185.99
    Hendrickson Load Cushion Suspension* High Quality Load Cushion* Dimensions:  - 3 Inch Hole Size  - 3.937 Inch Height  - 12 Inch Overall Length* 60 Durometer* Made In USA* Sold Individually* Warranty...
    29-05100137
    SKU:
    29-05100137
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $185.99
    Qty in Cart: 0
    Price:
    $185.99
    Subtotal:
  • Rear Load Cushion Kit With Tie-Bars & Weight Bias For Hendrickson Haulmaxx

    Rear Load Cushion Kit With Tie-Bars & Weight Bias For Hendrickson Haulmaxx

    AFTERMARKET

    $236.99
    Hendrickson Haulmaxx Load Cushion Kit With Tie-Bar Bolsters* High Quality Load Cushion Kit* With Tie-Bar Bolsters* One Set* Weight Bias Kit* Made In USA* Sold Individually* Warranty On Load Cushion...
    29-05100138
    SKU:
    29-05100138
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $236.99
    Qty in Cart: 0
    Price:
    $236.99
    Subtotal:
  • Rear 12 Leaf Spring - 15,500 Lbs. Capacity For Hendrickson

    Rear 12 Leaf Spring - 15,500 Lbs. Capacity For Hendrickson

    AFTERMARKET

    $835.99
    Rear Leaf Spring - 12 Leaves Replaces 45068* 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 Type- Multi- Leaf Spring* Spring Eye- 1* Number Of...
    29-05100130
    SKU:
    29-05100130
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $835.99
    Qty in Cart: 0
    Price:
    $835.99
    Subtotal:
  • Rear 12 Leaf Spring - 20,000 Lbs. Capacity For Hendrickson

    Rear 12 Leaf Spring - 20,000 Lbs. Capacity For Hendrickson

    AFTERMARKET

    $775.99
    Rear Leaf Spring - 12 Leaves Replaces 45322, 45322000, 4Qk3371* High Quality Leaf Spring* 4 Inch Width* 17 Inch S.E.* 28 1/2 Inch L.E.* 2 1/8 Inch Arch* Spring Type- Multi- Leaf Spring* Spring Eye-...
    29-05100127
    SKU:
    29-05100127
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $775.99
    Qty in Cart: 0
    Price:
    $775.99
    Subtotal:
  • Rear 12 Leaf HD Spring 12/PD - 27,000 Lbs. Capacity For Hendrickson

    Rear 12 Leaf HD Spring 12/PD - 27,000 Lbs. Capacity For Hendrickson

    AFTERMARKET

    $890.99
    Hendrickson Heavy Duty Multi-Leaf Spring* High Quality Leaf Spring* Dimensions:  - Width- 4 Inch  - Arch- 2-1/2 Inch* Spring Type- Multi Leaf Spring* Spring Eye- 1* Number Of Leaves- 12* Capacity-...
    29-05100037
    SKU:
    29-05100037
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Rating:
    25000 LBS
    Width Options:
    4 Inch
    Make:
    Trailer
    $890.99
    Qty in Cart: 0
    Price:
    $890.99
    Subtotal:
  • Center Beam Bushing 2.5 ID X 4 .75 OD X 12 Inch

    Center Beam Bushing 2.5 ID X 4 .75 OD X 12 Inch

    AFTERMARKET

    $201.99
    Center Beam Bushing With End Loose Plug* High Quality Bushing* Dimensions:  - 2.5 Inch ID   - 4.75 Inch OD  - 12 Inch Length* Includes Bushing End Loose Plug* Made In USA* Sold Individually* Warranty...
    29-05100190
    SKU:
    29-05100190
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    12 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $201.99
    Qty in Cart: 0
    Price:
    $201.99
    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:
  • Total: items /

Adding your products to cart

The International WorkStar Frame & Chassis category offers an array of parts and accessories, including frame, suspension, steering, and other essential components. Whether you need replacements or upgrades, you'll find high-quality aftermarket options to keep your truck running smoothly. From air ride systems and leaf springs to brake and steering parts, this category has everything you need for maintenance and enhancement. Don't stop your WorkStar upgrade with just frame parts, explore our vast array of solutions including fuel tanks, mud flaps and lighting!

Frequently Asked Questions About International WorkStar Frame & Chassis

What years and models of International WorkStar are these bumpers compatible with?

Our International WorkStar bumpers are designed to fit 2008-2017 WorkStar models, including the 7300, 7400, 7500, and 7600 series. However, compatibility can vary based on your specific truck configuration, especially if you have aftermarket modifications or specialty body applications. We recommend checking your OEM or contacting our support team with your truck's year, model, and any modifications to ensure proper fitment before ordering.

Are these bumpers made from steel or aluminum, and how thick is the material?

Most WorkStar replacement bumpers in our inventory are constructed from heavy-duty steel, typically ranging from 12-gauge to 10-gauge thickness depending on the specific model. Steel bumpers offer superior durability and impact resistance for work truck applications. Some lightweight aluminum options are available for specific applications where weight reduction is critical. Each product listing specifies the exact material and gauge thickness in the specifications section.

Do I need special tools or professional installation for these bumpers?

While professional installation is always an option, many customers successfully install these bumpers in their own shops. You'll need basic hand tools including socket wrenches, and possibly a floor jack or engine hoist to support the bumper during installation. Most bumpers use existing mounting points and hardware, though some applications may require drilling. Installation typically takes 2-4 hours depending on your experience level and whether you're working alone. Detailed installation instructions are included with each bumper.

What finish options are available, and how do they hold up to road salt and weather?

WorkStar bumpers are available in several finishes including chrome, polished stainless steel, painted black, and raw steel ready for custom painting. Chrome and stainless options offer excellent corrosion resistance when properly maintained. Painted bumpers feature a powder-coated or e-coated primer base for durability. For maximum protection in harsh winter conditions with road salt exposure, we recommend stainless steel or applying additional rust protection to painted surfaces annually.

Will aftermarket bumpers affect my truck's approach angle or ground clearance?

Most replacement bumpers maintain factory dimensions and won't significantly impact approach angles or ground clearance. However, heavy-duty or specialty bumpers with integrated tow hooks or extended lower valances may reduce clearance by 1-2 inches. Each product listing includes detailed measurements and notes any changes from OEM specifications. If ground clearance is critical for your application, look for bumpers specifically noted as maintaining factory clearance or contact us for recommendations based on your specific needs.


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