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International WorkStar Fender Extensions

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Blue Smoke & Mirrors Single Axle Fenders Mounting Kit - Triangle Mounts

    Blue Smoke & Mirrors Single Axle Fenders Mounting Kit - Triangle Mounts

    TRUX ACCESSORIES

    $595.99
    Smoke & Mirror Single Axle Fender Mounting KitThis Smoke & Mirror Single Axle Fender Mounting Kit features a stylish blue design with durable 14-gauge stainless steel. It allows for easy mounting of...
    09-1110024
    SKU:
    09-1110024
    Product Type:
    Rear Fenders
    Material Options:
    Stainless Steel
    Size Options:
    14 Gauge
    Finish Options:
    Polished
    Color:
    Blue
    Make:
    Universal Items
    $595.99
    Qty in Cart: 0
    Price:
    $595.99
    Subtotal:
  • Half Fender Mounting Kit - Triangular Brackets

    Half Fender Mounting Kit - Triangular Brackets

    TRUX ACCESSORIES

    $405.99
    Heavy-Duty Half Fender Triangular Mounting Arm KitThis Heavy-Duty Half Fender Mounting Kit with Threaded Post Mount Tubes fits most truck makes and models. Includes: mounting brackets, arms, threaded...
    09-11100027
    SKU:
    09-11100027
    Product Type:
    Rear Fenders
    Size Options:
    12 Gauge
    Make:
    Universal Items
    $405.99
    Qty in Cart: 0
    Price:
    $405.99
    Subtotal:
  • 29 Inch Heavy Duty Half Fender Mounting Arm Kit - 4 Inch Adjustable

    29 Inch Heavy Duty Half Fender Mounting Arm Kit - 4 Inch Adjustable

    UNITED PACIFIC

    $448.99
    430 SS Universal HD Full Half Fender Mounting Kit with 4 Inch Adjustable RangeInstall your truck's half fenders easily with this 29-inch stainless steel mounting kit. The heavy-duty "L" brackets...
    09-11100240
    SKU:
    09-11100240
    Product Type:
    Rear Fenders
    Type Options:
    Half
    Size Options:
    14 Gauge
    Length Options:
    29 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $448.99
    Qty in Cart: 0
    Price:
    $448.99
    Subtotal:
  • 29 Inch Half Fender Mounting Arm Kit - 9 Inch Adjustable

    29 Inch Half Fender Mounting Arm Kit - 9 Inch Adjustable

    UNITED PACIFIC

    $425.99
    430 SS Universal Standard Full Half Fender Mounting Kit with 9 Inch Adjustable RangeThis kit makes it easy to mount half fenders on most trucks. It includes two 29-inch standard duty support arms...
    09-11100239
    SKU:
    09-11100239
    Product Type:
    Rear Fenders
    Type Options:
    Half
    Length Options:
    29 Inch
    Size Options:
    14 Gauge
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $425.99
    Qty in Cart: 0
    Price:
    $425.99
    Subtotal:
  • Stainless Steel Mounting Kit For Full Tandem Fenders For Freightliner, Peterbilt, Kenworth, International

    Stainless Steel Mounting Kit For Full Tandem Fenders For Freightliner, Peterbilt, Kenworth, International

    TRUX ACCESSORIES

    $483.99
    Standard Full Fender Mounting Kit* High Quality Mounting Kit * Includes:  - (2) Adjustable Fender Brackets  - (4) Clamps   - (4) Threaded Post Mounts   - (4) Triangle Mounts   - All Hardware* 14...
    09-11100030
    SKU:
    09-11100030
    Size Options:
    14 Gauge
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Type Options:
    Full
    Make:
    Kenworth
    Make:
    Peterbilt
    Make:
    Freightliner
    Make:
    International
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $483.99
    Qty in Cart: 0
    Price:
    $483.99
    Subtotal:
  • Nylon Adjustable Fender Support

    Nylon Adjustable Fender Support

    AUTOMANN USA

    $15.03
    Adjustable Fender Support* High Quality Fender Support* Nylon* Black* Adjustable* Sold Individually* Warranty On Fender Supports Against Defects In Workmanship & Material From Date Of Purchase***...
    09-11100001
    SKU:
    09-11100001
    Product Type:
    Rear Fenders
    Material Options:
    Nylon
    Color:
    Black
    Make:
    Universal Items
    $15.03
    Qty in Cart: 0
    Price:
    $15.03
    Subtotal:
  • 5/8 Inch Fender Stub Bolt Kit

    5/8 Inch Fender Stub Bolt Kit

    4 STATE TRUCKS

    $20.80
    Fender Stub Bolt Kit With 5/8 Inch Fasteners* High Quality Bolt Kit* Kit Contains:   - (2) 5/8-11 X 4 Grade 8 Hex Head Bolt   - (2) 5/8-11 Grade 8 Hex Nylock Nut   - (2) 5/8 Grade 8 Flat Washer   -...
    09-1110019
    SKU:
    09-1110019
    Product Type:
    Rear Fenders
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $20.80
    Qty in Cart: 0
    Price:
    $20.80
    Subtotal:
  • 304 SS Heavy Duty Half Fender Mounting Kit w/ Rear Brackets

    304 SS Heavy Duty Half Fender Mounting Kit w/ Rear Brackets

    4 STATE TRUCKS

    $489.99
    Heavy Duty Fender Mounting Bracket Kit* High Quality Fender Bracket Kit* Includes:  - (1) Shape Mounts  - (2) Posts  - (2) Rear Brackets   - (1) Bolt Kit* 304 Stainless Steel* Sold As Kit* Warranty...
    09-11K002
    SKU:
    09-11K002
    Product Type:
    Rear Fenders
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $489.99
    Qty in Cart: 0
    Price:
    $489.99
    Subtotal:
  • Stainless Steel Half Fender Mounting Kit w/ Rear Brackets

    Stainless Steel Half Fender Mounting Kit w/ Rear Brackets

    4 STATE TRUCKS

    $489.99
    Fender Mounting Bracket Kit* High Quality Fender Bracket Kit* Includes:  - (2) Fender Post Mount  - (2) 4 Inch Post Mount Fender Bracket   - (2) 9 Inch Fender Mount Brackets   - (1) Bolt Kit* 430...
    09-11K000
    SKU:
    09-11K000
    Product Type:
    Rear Fenders
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $489.99
    Qty in Cart: 0
    Price:
    $489.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Poly Rear Fender Bracket, Driver Side

    Poly Rear Fender Bracket, Driver Side

    HOGEBUILT FENDERS

    Now: $16.79
    Was: $62.31
    Poly Rear Fender Bracket, Driver Side* High Quality Rear Fender Bracket* Poly* Driver Side* Sold Individually* Warranty On Rear Fender Brackets Against Defects In Workmanship & Material From Date Of...
    09-11176
    SKU:
    09-11176
    Truck Class:
    Heavy Duty
    Product Type:
    Rear Fenders
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $16.79
    Was: $62.31
    Qty in Cart: 0
    Price:
    Now: $16.79
    Was: $62.31
    Subtotal:
  • Stainless Braceless Tube For Mounting Fenders

    Stainless Braceless Tube For Mounting Fenders

    HOGEBUILT FENDERS

    $32.22
    Stainless Braceless Tube For Mounting Fenders* High Quality Braceless Tube* Stainless Steel* For Mounting Fenders* Sold Individually* Warranty On Braceless Tubes Against Defects In Workmanship &...
    09-11160
    SKU:
    09-11160
    Truck Class:
    Heavy Duty
    Product Type:
    Rear Fenders
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $32.22
    Qty in Cart: 0
    Price:
    $32.22
    Subtotal:
  • On Sale
    Limited Quantity Available
    Fender Mounting Bracket Plate

    Fender Mounting Bracket Plate

    HOGEBUILT FENDERS

    Now: $37.26
    Was: $136.99
    Fender Mounting Bracket Plate* High Quality Fender Mounting Bracket Plate* Sold Individually* Warranty On Fender Mounting Bracket Plates Against Defects In Workmanship & Material From Date Of...
    09-11158
    SKU:
    09-11158
    Truck Class:
    Heavy Duty
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $37.26
    Was: $136.99
    Qty in Cart: 0
    Price:
    Now: $37.26
    Was: $136.99
    Subtotal:
  • Limited Quantity Available
    24 Inch Stainless Steel Fender Skin

    24 Inch Stainless Steel Fender Skin

    HOGEBUILT FENDERS

    $123.99
    24 Inch Stainless Steel Fender Skin* High Quality Fender Skin* 430 Stainless Steel* 24 Inch* Sold Individually* Warranty On Fender Skins Against Defects In Workmanship & Material From Date Of...
    09-110306043
    SKU:
    09-110306043
    Truck Class:
    Heavy Duty
    Product Type:
    Rear Fenders
    Material Options:
    Stainless Steel
    Width Options:
    24 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • 24 X 9 Inch Dark Purple Quilted Rear Fender Cover By Robert James For Front Of Full Aluminum Fenders

    24 X 9 Inch Dark Purple Quilted Rear Fender Cover By Robert James For Front Of Full Aluminum Fenders

    ROBERT JAMES ENTERPRISES

    $239.99
    Dark Purple Quilted Vinyl Fender Covers For Rear Fenders* High Quality Fender Cover* Quilted* Dimensions:  - 24 Inch   - 9 Inch* Dark Purple* For Front Of Full Aluminum Fenders* Sold As Pair*...
    09-112224909
    SKU:
    09-112224909
    Product Type:
    Rear Fenders
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Vinyl
    $239.99
    Qty in Cart: 0
    Price:
    $239.99
    Subtotal:
  • 27 X 18 Inch Yellow Quilted Fender Cover With Snaps

    27 X 18 Inch Yellow Quilted Fender Cover With Snaps

    ROBERT JAMES ENTERPRISES

    $197.99
    Universal Yellow Quilted Fender Cover With Snaps* High Quality Fender Cover* Quilted* Dimensions:  - 27 Inch Wide   - 18 Inch Length* Yellow * With Snaps* Sold As Pair* Warranty On Fender Covers...
    09-112140
    SKU:
    09-112140
    Product Type:
    Rear Fenders
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Vinyl
    $197.99
    Qty in Cart: 0
    Price:
    $197.99
    Subtotal:
  • SS Decorative Insert Strips For Spray Master FR-22 Poly Fender

    SS Decorative Insert Strips For Spray Master FR-22 Poly Fender

    TRAMEC SLOAN

    $131.99
    Stainless Steel Fender Insert StripsUpgrade your ride with the 67.75 inch decorative strips for Spray Master FR-22 poly fenders. These polished stainless steel strips are a breeze to install, coming...
    09-11100004
    SKU:
    09-11100004
    Truck Class:
    Heavy Duty
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $131.99
    Qty in Cart: 0
    Price:
    $131.99
    Subtotal:
  • Bolt-On Nylon Fender Support Bracket Straps For Spray Master FR Series Fenders

    Bolt-On Nylon Fender Support Bracket Straps For Spray Master FR Series Fenders

    TRAMEC SLOAN

    $102.99
    Replacement Support For Spray Master FR Series Fenders* High Quality Fender Bracket Straps* Sold Individually* Warranty On Fender Bracket Straps Against Defects In Workmanship & Material From Date Of...
    09-11100003
    SKU:
    09-11100003
    Product Type:
    Rear Fenders
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $102.99
    Qty in Cart: 0
    Price:
    $102.99
    Subtotal:
  • Smoke & Mirror Stainless Mounting Kit For Half Tandem Fenders W/ Adjustable Colored Brackets

    Smoke & Mirror Stainless Mounting Kit For Half Tandem Fenders W/ Adjustable Colored Brackets

    TRUX ACCESSORIES

    $349.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksSmoke & Mirror Half Fender Mounting Kit W/ Black Adjustable Brackets14 Gauge Stainless Mounting Kit For...
    PPR_299068
    SKU:
    PPR_299068
    Product Type:
    Rear Fenders
    Position:
    Kit Full
    Material Options:
    Stainless Steel
    Size Options:
    14 Gauge
    Type Options:
    Half Fender
    Make:
    Universal Items
    $349.99
    Qty in Cart: 0
    Price:
    $349.99
    Subtotal:
  • CSM Heavy Duty Steel Brackets For Rear Of Half Or Center Of Full Fenders

    CSM Heavy Duty Steel Brackets For Rear Of Half Or Center Of Full Fenders

    CHROME SHOP MAFIA

    $209.99
    Rear Of Half Or Center Of Full Fender Brackets By Chrome Shop MafiaSecure your truck's fenders with these steel fender brackets by Chrome Shop Mafia. Perfect for the rear of half or center of full...
    09-1110020
    SKU:
    09-1110020
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Ready To Ship:
    Yes
    $209.99
    Qty in Cart: 0
    Price:
    $209.99
    Subtotal:
  • TPHD Center Support Bracket For Super Single Fender

    TPHD Center Support Bracket For Super Single Fender

    TPHD

    $91.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksTPHD Center Support Bracket - Driver Side For Super Single FenderTPHD Driver Side Center Support...
    PPR_206097
    SKU:
    PPR_206097
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Rear Fenders
    Material Options:
    Steel
    Position:
    Driver Side
    Color:
    Black
    Position:
    Passenger Side
    Location:
    Made In USA
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • Total: items /

Adding your products to cart

Enhance your International WorkStar with high-quality fender extensions. This category offers stylish chrome accents and durable plastic extensions that protect your truck from road debris. Customize your rig's look while keeping it in top condition. Browse the selection to find the perfect fender extensions for your WorkStar and boost style and functionality.

Frequently Asked Questions About International WorkStar Fender Extensions

What are fender extensions used for on an International WorkStar?

Fender extensions are add-on panels that widen or extend the coverage of your existing fenders. They help block additional road spray, mud, and debris from being thrown onto the cab, trailer, or nearby vehicles, especially when running wider tires or after-market wheels that extend beyond the stock fender line.

Will fender extensions fit my specific WorkStar model year?

Fender extension fit can vary depending on the model year of your WorkStar and the style of fender currently installed on the truck. Before ordering, check the listed year range and fender style compatibility on the product page, and compare it against your truck's existing fender setup to confirm a proper match.

What materials are these fender extensions made from, and how do they hold up?

Fender extensions are commonly available in materials such as poly, rubber, or metal, each offering different levels of flexibility and durability. Poly and rubber options tend to resist cracking from road debris and flex on impact, while metal versions offer a more rigid, OEM-style look. Choosing the right material often comes down to the balance of durability and appearance you're looking for.

Are these extensions easy to install, and do I need special tools?

Most fender extensions are designed to bolt on or clamp onto your existing fender using basic hand tools such as a drill and wrenches. Installation typically involves aligning the extension with the existing fender edge, drilling mounting holes if they are not pre-drilled, and securing it with the provided hardware. Always review the specific installation instructions included with your extension before starting.

Do fender extensions come pre-drilled, or will I need to drill mounting holes myself?

This depends on the specific product. Some fender extensions come with pre-drilled mounting holes designed to line up with common WorkStar fender configurations, while others are sold undrilled to allow for a custom fit. Check the product description for details on drilling requirements before you buy so you know what tools and prep work to expect.


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