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International WorkStar Frame & Chassis

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING OVER $249
    Seal Pinion For Rockwell RR20145 - Replaces A1205N2588

    Seal Pinion For Rockwell RR20145 - Replaces A1205N2588

    OPP - ORIGINAL PARTS PROGRAM

    $60.99
    Seal Pinion* High Quality Seal Pinion* For Rockwell RR20145* Replaces OEM # A1205N2588, 100263* Sold Individually* Warranty On Seal Pinion Against Defects In Workmanship & Material From Date Of...
    09-05212008
    SKU:
    09-05212008
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Nut For Pinion & Tail Shaft Rockwell RD-RR2014 - Replaces KIT2637

    Nut For Pinion & Tail Shaft Rockwell RD-RR2014 - Replaces KIT2637

    OPP - ORIGINAL PARTS PROGRAM

    $24.74
    Nut Pinion And Tail Shaft* High Quality Nut Pinion And Tail Shaft* For Rockwell RD-RR2014* Replaces OEM # KIT2637* Sold Individually* Warranty On Nut Pinion And Tail Shaft Against Defects In...
    09-05212007
    SKU:
    09-05212007
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $24.74
    Qty in Cart: 0
    Price:
    $24.74
    Subtotal:
  • FREE SHIPPING OVER $249
    Nut For Input Shaft Rockwell RD20145 - Replaces KIT2638

    Nut For Input Shaft Rockwell RD20145 - Replaces KIT2638

    OPP - ORIGINAL PARTS PROGRAM

    $31.18
    Nut Input Shaft* High Quality Nut Input Shaft* For Rockwell RD20145* Replaces OEM # KIT2638* Sold Individually* Warranty On Nut Input Shaft Against Defects In Workmanship & Material From Date Of...
    09-05212006
    SKU:
    09-05212006
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $31.18
    Qty in Cart: 0
    Price:
    $31.18
    Subtotal:
  • Locking Nut For Input Shaft DSP40-404

    Locking Nut For Input Shaft DSP40-404

    OPP - ORIGINAL PARTS PROGRAM

    $22.76
    Locknut Input Shaft* High Quality Nut Flanged Lock Output Shaft* Rear Input Shaft For Eaton DSP40-404* Replaces OEM # 128049* Sold Individually* Warranty On Locknut Input Shaft Against Defects In...
    09-05212005
    SKU:
    09-05212005
    Position:
    Rear
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $22.76
    Qty in Cart: 0
    Price:
    $22.76
    Subtotal:
  • FREE SHIPPING OVER $249
    Flanged Locking Nut For Pinion RSP40-404

    Flanged Locking Nut For Pinion RSP40-404

    AUTOMANN USA

    $10.20
    Nut Flanged Lock Pinion* High Quality Nut Flanged Lock Output Shaft* Rear Output Shaft For Eaton RSP40-404* Replaces OEM # 127589* Sold Individually* Warranty On Nut Flanged Lock Pinion Against...
    09-05212004
    SKU:
    09-05212004
    Position:
    Rear
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $10.20
    Qty in Cart: 0
    Price:
    $10.20
    Subtotal:
  • Flanged Locking Nut For Rear Output Shaft Replaces 127588

    Flanged Locking Nut For Rear Output Shaft Replaces 127588

    AUTOMANN USA

    $13.38
    Nut Flanged Lock Rear Output* High Quality Nut Flanged Lock Output Shaft* Rear Output Shaft For Eaton DSP40-404* Replaces OEM # 127588* Sold Individually* Warranty On Nut Flanged Lock Output Shaft...
    09-05212003
    SKU:
    09-05212003
    Truck Class:
    Universal
    Position:
    Rear
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $13.38
    Qty in Cart: 0
    Price:
    $13.38
    Subtotal:
  • Oil Seal Rear Output Shaft Replaces 127592

    Oil Seal Rear Output Shaft Replaces 127592

    OPP - ORIGINAL PARTS PROGRAM

    $120.99
    Rear Output Oil Seal For Eaton DSP40-404* High Quality Oil Seal Rear Output Shaft* Replaces OEM # 127592* Sold Individually* Warranty On Output Shaft Against Defects In Workmanship & Material From...
    09-05212002
    SKU:
    09-05212002
    Position:
    Rear
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $120.99
    Qty in Cart: 0
    Price:
    $120.99
    Subtotal:
  • Oil Seal Differential Input Shaft For Eaton DSP & RSP40-404 - Replaces 127591

    Oil Seal Differential Input Shaft For Eaton DSP & RSP40-404 - Replaces 127591

    OPP - ORIGINAL PARTS PROGRAM

    $47.83
    Oil Seal Differential Input Shaft* High Quality Oil Seal Differential Input Shaft* Replaces OEM # 127591* Sold Individually* Warranty On Input Shaft Against Defects In Workmanship & Material From...
    09-05212001
    SKU:
    09-05212001
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $47.83
    Qty in Cart: 0
    Price:
    $47.83
    Subtotal:
  • Cross PTO Style Universal Joint Replaces 2599582C91 For International ProStar, Volvo VNL Gen II, Peterbilt 379

    Cross PTO Style Universal Joint Replaces 2599582C91 For International ProStar, Volvo VNL Gen II, Peterbilt 379

    AUTOMANN USA

    $12.01
    Cross PTO Style Universal Joint Fits International ProStar, Volvo VNL Gen II & Peterbilt 379Enhance PTO reliability with the Cross PTO Style Universal Joint, engineered for International ProStar,...
    09-052100001
    SKU:
    09-052100001
    Length Options:
    10 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $12.01
    Qty in Cart: 0
    Price:
    $12.01
    Subtotal:
  • Stainless Steel Steerable Lift Axle APSCO Control Panel

    Stainless Steel Steerable Lift Axle APSCO Control Panel

    AUTOMANN USA

    $899.99
    7 X 3 X 5 14 Gauge Stainless Steel APSCO Steer Axle Control Panel* High Quality Control Panel* Silver Finish* 14 Gauge Stainless Steel* Dimensions  - 7 Inch Length  - 3 Inch Width  - 5 Inch Diameter*...
    09-052000002
    SKU:
    09-052000002
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Width Options:
    3 Inch
    Length Options:
    7 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $899.99
    Qty in Cart: 0
    Price:
    $899.99
    Subtotal:
  • Stainless Steel Lift Axle APSCO Control Panel

    Stainless Steel Lift Axle APSCO Control Panel

    AUTOMANN USA

    $662.99
    7 X 3 X 5 14 Gauge Stainless Steel APSCO Lift Axle Control Panel* High Quality Control Panel* Silver Finish* 14 Gauge Stainless Steel* Dimensions  - 7 Inch Length  - 3 Inch Width  - 5 Inch Diameter*...
    09-052000001
    SKU:
    09-052000001
    Diameter Options:
    5 Inch
    Width Options:
    3 Inch
    Length Options:
    7 Inch
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $662.99
    Qty in Cart: 0
    Price:
    $662.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Brake Drum Hub Pilot Balanced Light Weight Replaces GUN3922X, 3922X

    Brake Drum Hub Pilot Balanced Light Weight Replaces GUN3922X, 3922X

    AUTOMANN USA

    Now: $133.69
    Was: $190.99
    Brake Drum Hub Pilot 10 Hole BalancedUpgrade your truck's braking performance with this high-quality Brake Drum Hub Pilot. It features a 16.5-inch brake surface, 10.59-inch depth, and lightweight...
    09-0517306
    SKU:
    09-0517306
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $133.69
    Was: $190.99
    Qty in Cart: 0
    Price:
    Now: $133.69
    Was: $190.99
    Subtotal:
  • Brake Drum Outboard 16.5 x 7 Inch Light Weight 9006X, 53-123537-002, 89996B

    Brake Drum Outboard 16.5 x 7 Inch Light Weight 9006X, 53-123537-002, 89996B

    AUTOMANN USA

    $282.99
    80000 Series Brake Drum* High quality drum* Steel Shell With Fused GrAY iRON lINER* Brake size: 16.5 x 7 inches* Bolt number: 10* Bolt circle diameter: 11.25 inches* Pilot diameter: 8.78 inches*...
    09-0517303
    SKU:
    09-0517303
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Steel
    Product Type:
    Frame & Chassis
    $282.99
    Qty in Cart: 0
    Price:
    $282.99
    Subtotal:
  • Brake Drum 10 Hole Unimount Balanced 16.5 x 7 Inch

    Brake Drum 10 Hole Unimount Balanced 16.5 x 7 Inch

    OPP - ORIGINAL PARTS PROGRAM

    $240.99
    Unimount Balanced Wheel Brake Drum* High Quality Drum* Brake Size: 16.5 x 7 Inches* Bolt Number: 10* Bolt Center Diameter: 7.56 inches* Surface Flat: 7.56 inches* Balanced* Sold Individually*...
    09-0517300
    SKU:
    09-0517300
    Diameter Options:
    16 1/2 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $240.99
    Qty in Cart: 0
    Price:
    $240.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic Slack Adjuster 1.5 -10 Spline X 6 Inch Straight

    Automatic Slack Adjuster 1.5 -10 Spline X 6 Inch Straight

    AUTOMANN USA

    $81.99
    6 Inch 1.5-10 Spline Air Brake Slack Adjuster StraightThis slack adjuster automatically adjusts the brake gap for a 1.50 inch -10 spline camshaft, with a 5.5 inch arm span and a straight design. No...
    09-0517204
    SKU:
    09-0517204
    Length Options:
    6 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic Slack Adjuster 1.5 - 28 Spline X 6 Inch Span

    Automatic Slack Adjuster 1.5 - 28 Spline X 6 Inch Span

    BESTFIT TRUCK PARTS

    $71.99
    Auto Meritor Type Slack Adjuster Inch Straight Arm* High Quality Automatic Slack Adjuster* Unhanded* Clevis Kit Meritor Type Bracket Kit Included  - 5/8 Inch - 18 Thread  - (1) 1/2 Inch Pin  - (1)...
    09-0517203
    SKU:
    09-0517203
    Height Options:
    6 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Product Type:
    Frame & Chassis
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Automatic Slack Adjuster 1.5 - 28 Spline X 5.5 Inch Replaces E11401, E11401A

    BESTfit Automatic Slack Adjuster 1.5 - 28 Spline X 5.5 Inch Replaces E11401, E11401A

    BESTFIT TRUCK PARTS

    $78.99
    Auto Slack Adjuster Merritor Type 5.5 Inch Straight Arm By BESTfitDepend on the BESTfit Automatic Slack Adjuster 1.5 - 28 Spline x 5.5 Inch for precise, reliable brake operation. This high-quality,...
    09-0517201
    SKU:
    09-0517201
    Length Options:
    5 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Automatic Slack Adjuster 1.5 -28 Spline X 5.5 Inch Span For Trailer Axle With 16.5 Inch Brake

    BESTfit Automatic Slack Adjuster 1.5 -28 Spline X 5.5 Inch Span For Trailer Axle With 16.5 Inch Brake

    BESTFIT TRUCK PARTS

    $71.99
    Slack Adjuster For Trailer Axle W/ 16.5 Inch Brake By BESTfitKeep your trailer brakes properly adjusted with this BESTfit Automatic Slack Adjuster. Designed for axles with 16.5-inch brakes, it...
    09-0517200
    SKU:
    09-0517200
    Truck Class:
    Universal
    Length Options:
    5 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • 15.0 X 4.0 IN Brake Shoe Set W/ 2 Shores & Hardware

    15.0 X 4.0 IN Brake Shoe Set W/ 2 Shores & Hardware

    AFTERMARKET

    $122.99
    Brake Shoe Set W/ 2 Shores & Hardware* High Quality Brake Shoe Set* Contains: - 2 Shoes - Hardware Kit* 15.0 X 4.0 Inch* Sold As Set* Warranty On Brake Shoe Sets Against Defects In Workmanship &...
    09-0517111
    SKU:
    09-0517111
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $122.99
    Qty in Cart: 0
    Price:
    $122.99
    Subtotal:
  • 16.5 X 7 Inch Brake Shoe Kit 4709ES Plus

    16.5 X 7 Inch Brake Shoe Kit 4709ES Plus

    AFTERMARKET

    $140.99
    Brake Shoe Kit / No Cores Required* High Quality Brake Shoe Kit * 4709ES Plus* Contains 2 Shoes And 1 Hardware Kit* Shoes Have 23K Standard Lining* Sold As Kit * Warranty On Brake Shoe Kits Against...
    09-0517108
    SKU:
    09-0517108
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $140.99
    Qty in Cart: 0
    Price:
    $140.99
    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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