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International WorkStar Frame & Chassis

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Spring Riser-Spacer Block 7 X 3 X 1 Inch With 9/16 Inch Center Post

    Spring Riser-Spacer Block 7 X 3 X 1 Inch With 9/16 Inch Center Post

    BESTFIT TRUCK PARTS

    $28.10
    Leveling Lift Block* High Quality Spring Riser Block* Dimensions:  - 7.0 Inch Length   - 3.00 Inch Width  - 1.0 Inch Thick* With 9/16 Inch Center Post* Sold Individually* Warranty On Spring Riser...
    09-05090015
    SKU:
    09-05090015
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Width Options:
    3/4 Inch
    Length Options:
    7 Inch
    Make:
    Universal Items
    $28.10
    Qty in Cart: 0
    Price:
    $28.10
    Subtotal:
  • Spring Riser-Spacer Block 6 X 3 X 1 Inch With 1.79 Inch Hole Underneath

    Spring Riser-Spacer Block 6 X 3 X 1 Inch With 1.79 Inch Hole Underneath

    AUTOMANN USA

    $27.20
    1 Inch Lift Block- Spacer Plate For 3 Inch Springs* High Quality Spring Riser Block* Dimensions:  - Length- 6.00 Inch  - Width- 3.00 Inch  - Height- 1.00 Inch  - Hole Underneath- 0.79 Inch* Sold...
    09-05090019
    SKU:
    09-05090019
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Width Options:
    3 Inch
    Length Options:
    6 Inch
    Height Options:
    1 Inch
    Make:
    Universal Items
    $27.20
    Qty in Cart: 0
    Price:
    $27.20
    Subtotal:
  • Spring Riser-Spacer Block 7 X 3 X 1 Inch With 3/4 Inch Center Post

    Spring Riser-Spacer Block 7 X 3 X 1 Inch With 3/4 Inch Center Post

    BESTFIT TRUCK PARTS

    $37.10
    Leveling Lift Block* High Quality Spring Riser Block* Dimensions:  - 7.0 Inch Length   - 3.00 Inch Width  - 1.0 Inch Thick* With 3/4 Inch Center Post* Sold Individually* Warranty On Spring Riser...
    09-05090016
    SKU:
    09-05090016
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Width Options:
    3 Inch
    Length Options:
    7 Inch
    Make:
    Universal Items
    $37.10
    Qty in Cart: 0
    Price:
    $37.10
    Subtotal:
  • Round U-Bolt Kit 7/8 X 3 X 16.5 Inch

    Round U-Bolt Kit 7/8 X 3 X 16.5 Inch

    AFTERMARKET

    $85.99
    7/8 X 3 X 16.5 Inch Round U-Bolt Kit* High Quality U-Bolt Kit* Kit Includes:  - (2) U Bolts (Round Bend)  - Grade 5  - 16.50 Inch Overall Length  - 6.00 Inch Of 7/8 Inch - 14 Thread  - 3.00 Inch...
    29-05100352
    SKU:
    29-05100352
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Width Options:
    3 Inch
    Length Options:
    16 1/2 Inch
    Material Options:
    Steel
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • Side Bar Advance Mixer Replaces 4006002, 1138109, 13131 For Advance Mixer

    Side Bar Advance Mixer Replaces 4006002, 1138109, 13131 For Advance Mixer

    BESTFIT TRUCK PARTS

    $30.34
    Advance Mixer Side Bar* High Quality Side Bar* Dimensions:  - Length- 5.344 Inch  - Width- 2.00 Inch  - C To C- 3.313 Inch  - Height- 1.00 Inch* With Ears* Side Bar Type- 12* Hole Size- 1.125 Inch*...
    80-05090010
    SKU:
    80-05090010
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Length Options:
    5 Inch
    Width Options:
    2 Inch
    Make:
    Universal Items
    $30.34
    Qty in Cart: 0
    Price:
    $30.34
    Subtotal:
  • 3/8 X 1-1/4 Inch SS Bolt Kit

    3/8 X 1-1/4 Inch SS Bolt Kit

    4 STATE TRUCKS

    $4.17
    Bolt Kit - SS 3/8 X 1-1/4 Inch* High Quality Bolt Kit* Stainless Steel * 3/8 X 1-1/4 Inch* Sold As Kit* Warranty On Bolt Kits Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-05250009
    SKU:
    09-05250009
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $4.17
    Qty in Cart: 0
    Price:
    $4.17
    Subtotal:
  • 3/8 X 1 Inch SS Bolt Kit

    3/8 X 1 Inch SS Bolt Kit

    4 STATE TRUCKS

    $4.58
    Bolt Kit - SS 3/8 X 1 Inch* High Quality Bolt Kit* Stainless Steel * 3/8 X 1 Inch* Sold As Kit* Warranty On Bolt Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    09-05250008
    SKU:
    09-05250008
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $4.58
    Qty in Cart: 0
    Price:
    $4.58
    Subtotal:
  • BESTfit Spring Riser-Spacer Block 7 X 4 X 1 Inch With 3/4 Inch Center Post

    BESTfit Spring Riser-Spacer Block 7 X 4 X 1 Inch With 3/4 Inch Center Post

    BESTFIT TRUCK PARTS

    $34.85
    1 Inch Lift Block- Spacer Plate For 4 Inch Springs By BESTfitStrengthen your truck's suspension system with the BESTfit Spring Riser-Spacer Block. Featuring a 7 x 4 x 1-inch profile and 3/4-inch...
    09-05090017
    SKU:
    09-05090017
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    7 Inch
    Width Options:
    4 Inch
    Diameter Options:
    1 Inch
    Make:
    Universal Items
    $34.85
    Qty in Cart: 0
    Price:
    $34.85
    Subtotal:
  • Poly Fontaine Fifth Wheel Bracket Liner Kit

    Poly Fontaine Fifth Wheel Bracket Liner Kit

    AFTERMARKET

    $70.99
    Fontaine Fifth Wheel Bracket Liner KitAchieve smoother fifth wheel operation with the Poly Fontaine Fifth Wheel Bracket Liner Kit, designed for durability and precision. The kit includes a poly...
    19-05110006
    SKU:
    19-05110006
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $70.99
    Qty in Cart: 0
    Price:
    $70.99
    Subtotal:
  • Fontaine Fifth Wheel Slider Bracket 16 Inch

    Fontaine Fifth Wheel Slider Bracket 16 Inch

    OPP - ORIGINAL PARTS PROGRAM

    $1,098.99
    Replacement 5th Wheel Air Slider Rail* High Quality Slide Rail* Dimensions:  - 16 Inch Slide Travel   - 46 Inch Overall Length * Made In USA* Sold Individually* Warranty On Slide Rails Against...
    09-0511072
    SKU:
    09-0511072
    Height Options:
    16 Inch
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Length Options:
    46 Inch
    Make:
    Universal Items
    $1,098.99
    Qty in Cart: 0
    Price:
    $1,098.99
    Subtotal:
  • Fontaine Fifth Wheel Slider Bracket 10 3/4 Inch

    Fontaine Fifth Wheel Slider Bracket 10 3/4 Inch

    OPP - ORIGINAL PARTS PROGRAM

    $2,139.99
    Slider Bracket For Fontain 6000 7000 7000CC 5th Wheel Top Plate* High Quality Air Slide Bracket* 10 3/4 Inch Mounted Height* Bracket Comes Assembled* Height Measured From Top Of Truck Frame To Top Of...
    09-0511069
    SKU:
    09-0511069
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Height Options:
    10 Inch
    Make:
    Universal Items
    $2,139.99
    Qty in Cart: 0
    Price:
    $2,139.99
    Subtotal:
  • Fifth Wheel Cast Steel Top Plate 50,000 lbs Vertical Load Driver Side FON SLTPL6000

    Fifth Wheel Cast Steel Top Plate 50,000 lbs Vertical Load Driver Side FON SLTPL6000

    OPP - ORIGINAL PARTS PROGRAM

    $1,787.99
    Replacement Fifth Wheel Cast Steel Top Plate* High Quality Top Plate* Cast Steel * 55,000 Vertical Load* 150,000 Drawbar Pull (No-Slack Lock)* Sold Individually* Warranty On Top Plates Against...
    09-05110082
    SKU:
    09-05110082
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,787.99
    Qty in Cart: 0
    Price:
    $1,787.99
    Subtotal:
  • Fifth Wheel Stamped Steel Top Plate 50,000 lbs Vertical Load Driver Side FON SLTPL6000

    Fifth Wheel Stamped Steel Top Plate 50,000 lbs Vertical Load Driver Side FON SLTPL6000

    OPP - ORIGINAL PARTS PROGRAM

    $1,609.99
    Replacement Fifth Wheel Stamped Steel Top Plate* High Quality Top Plate* Stamped Steel* 50,000 Vertical Load* 150,000 Drawbar Pull (No-Slack Lock)* Sold Individually* Warranty On Top Plates Against...
    09-05110081
    SKU:
    09-05110081
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,609.99
    Qty in Cart: 0
    Price:
    $1,609.99
    Subtotal:
  • Fontaine Fifth Wheel Slider Rail 36 Inch For AWB, AWS & MWS

    Fontaine Fifth Wheel Slider Rail 36 Inch For AWB, AWS & MWS

    OPP - ORIGINAL PARTS PROGRAM

    $1,364.99
    Replacement 5th Wheel Air Slider Rail* High Quality Fifth Wheel Slider Wall* Dimensions:  - 36 Inch Slide Travel  - 66 Inch Overall Length* Made In USA* Sold Individually* Warranty On Slider Walls...
    09-0511067
    SKU:
    09-0511067
    Truck Class:
    Heavy Duty
    Length Options:
    66 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,364.99
    Qty in Cart: 0
    Price:
    $1,364.99
    Subtotal:
  • Black Fontaine Fifth Wheel Cover

    Black Fontaine Fifth Wheel Cover

    WTI FENDERS

    $258.54
    Fontaine Fifth Wheel Cover* High Quality Fifth Wheel Covers* Made Of Fiberglass* Made In USA* Sold Individually* Warranty On Fifth Wheel Covers Against Defects In Workmanship & Material From Date Of...
    09-05110077
    SKU:
    09-05110077
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $258.54
    Qty in Cart: 0
    Price:
    $258.54
    Subtotal:
  • White Fontaine Fifth Wheel Cover

    White Fontaine Fifth Wheel Cover

    WTI FENDERS

    $258.54
    Plain White Fontaine Fifth Wheel Cover* High Quality Fifth Wheel Covers* Made In USA* Sold Individually* Warranty On Fifth Wheel Covers Against Defects In Workmanship & Material From Date Of...
    09-05110078
    SKU:
    09-05110078
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $258.54
    Qty in Cart: 0
    Price:
    $258.54
    Subtotal:
  • On Sale
    Limited Quantity Available
    Merritt Diamond Deck Plate Cover 48 Inch

    Merritt Diamond Deck Plate Cover 48 Inch

    MERRITT

    Now: $290.92
    Was: $416.99
    Merritt Diamond Deckplate Cover 48 Inch* High Quality Deckplate Cover* Diamond Plated* 48 Inch* Sold Individually* Warranty On Deckplate Covers Against Defects In Workmanship & Material From Date Of...
    166
    SKU:
    166
    Product Type:
    Frame & Chassis
    Truck Class:
    Heavy Duty
    Ready To Ship:
    Yes
    Make:
    Universal Items
    Now: $290.92
    Was: $416.99
    Qty in Cart: 0
    Price:
    Now: $290.92
    Was: $416.99
    Subtotal:
  • SAF Holland XA-J36 Outboard ILS Fifth Wheel Slide Base, 36 Inch Travel

    SAF Holland XA-J36 Outboard ILS Fifth Wheel Slide Base, 36 Inch Travel

    OPP - ORIGINAL PARTS PROGRAM

    $1,585.99
    Holland SAF XA-J36 Outboard Fifth Wheel* High Quality Fifth Wheel Slide Base* 36 Inch Travel* Sold Individually* Warranty On Fifth Wheel Slide Bases Against Defects In Workmanship & Material From...
    09-05110066
    SKU:
    09-05110066
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,585.99
    Qty in Cart: 0
    Price:
    $1,585.99
    Subtotal:
  • Iowa Customs Aluminum Air Line Box Sectionalized Deck Plate W/ 3 Electrical Plug, 2 Air Line & 2 Hydraulic Holes

    Iowa Customs Aluminum Air Line Box Sectionalized Deck Plate W/ 3 Electrical Plug, 2 Air Line & 2 Hydraulic Holes

    IOWA CUSTOMS

    $1,045.99
    Aluminum Air Line Box Sectionalized Deck Plate W/ 3 Electrical Plug, 2 Air Line & 2 Hydraulic Holes By Iowa CustomsThis sleek aluminum air line box from Iowa Customs fits seamlessly into your...
    09-05030034
    SKU:
    09-05030034
    Material Options:
    Aluminum
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1,045.99
    Qty in Cart: 0
    Price:
    $1,045.99
    Subtotal:
  • Quilted Vinyl 5th Wheel Cover For Holland

    Quilted Vinyl 5th Wheel Cover For Holland

    ROBERT JAMES ENTERPRISES

    $147.99 - $181.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksLight Gray Quilted Vinyl 5th Wheel Cover For HollandLight Quilted Holland Fifth Wheel Cover* High...
    PPR_299020
    SKU:
    PPR_299020
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Material Options:
    Vinyl
    Style Options:
    Quilted
    Make:
    Universal Items
    $147.99 - $181.99
    Qty in Cart: 0
    Price:
    $147.99 - $181.99
    Subtotal:
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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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