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International WorkStar Interior Acc.

Customize your International WorkStar interior with premium dash accessories, sleek door trims, and durable floor mats from 4 State Trucks. Our top-quality aftermarket parts ensure a stylish and comfortable ride, letting you personalize your truck's interior to fit your style.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Red Trailer Brake Knob W/ Black Engraving

    Red Trailer Brake Knob W/ Black Engraving

    TWISTED SHIFTERZ

    $56.99
    Give a bold interior accent to your truck with the red trailer brake knob featuring black engraving, designed for 2.125-inch threaded dash air brake valves. Manufactured as a high-quality aftermarket...
    PPR_203767
    SKU:
    PPR_203767
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Color:
    Red
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • 2.125 Inch Round Shift Knob With Metal Skull

    2.125 Inch Round Shift Knob With Metal Skull

    TWISTED SHIFTERZ

    $45.77 - $445.99
    Maximize with the 2.125-inch round black shift knob with metal skull design, a universal aftermarket accessory made to personalize and replace worn knobs on heavy-duty manual transmissions like 9-,...
    PPR_202220
    SKU:
    PPR_202220
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    $45.77 - $445.99
    Qty in Cart: 0
    Price:
    $45.77 - $445.99
    Subtotal:
  • 2.25 Inch Fire Department Logo Round Shift Knob For 9, 10, 13, 15 & 18 Speed Transmissions

    2.25 Inch Fire Department Logo Round Shift Knob For 9, 10, 13, 15 & 18 Speed Transmissions

    TWISTED SHIFTERZ

    $48.85 - $443.99
    Add the 2.25?Inch Fire Department Logo Round Shift Knob to your cab, it's a high-quality shift knob designed for manual transmissions, including 9-, 10-, 13-, 15- and 18-speed Eaton-Fuller gearboxes,...
    PPR_202216
    SKU:
    PPR_202216
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    $48.85 - $443.99
    Qty in Cart: 0
    Price:
    $48.85 - $443.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    2.125 Inch Round Shift Knob With Metal Cow Skull For 9, 10, 13, 15 & 18 Speed Transmissions

    2.125 Inch Round Shift Knob With Metal Cow Skull For 9, 10, 13, 15 & 18 Speed Transmissions

    TWISTED SHIFTERZ

    $35.72 - $454.99
    Renew your look with the 2.125?inch Round Shift Knob with Metal Cow Skull, a distinctive manual transmission handle designed for trucks with 9,?10,?13,?15 or 18?speed Eaton?Fuller gearboxes. This...
    PPR_202213
    SKU:
    PPR_202213
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $35.72 - $454.99
    Qty in Cart: 0
    Price:
    $35.72 - $454.99
    Subtotal:
  • Stainless Steel 5/16 x 1 Inch Truss Phillips Head

    Stainless Steel 5/16 x 1 Inch Truss Phillips Head

    AFTERMARKET

    $0.66
    5/16 x 1 Inch Truss Phillips Head* High Quality Head Phillips* Stainless Steel* 5/16-18 X 1* Made In USA* Sold Individually* Warranty On Head Phillips Against Defects In Workmanship & Material From...
    86386SS
    SKU:
    86386SS
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $0.66
    Qty in Cart: 0
    Price:
    $0.66
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro 2 1/16 Inch Chrome Mechanical Fuel Pressure Gauge 10 - 200 PSI

    Isspro 2 1/16 Inch Chrome Mechanical Fuel Pressure Gauge 10 - 200 PSI

    ISSPRO

    $102.99
    200 PSI Mechanical Fuel Pressure GaugeAt 4 State Trucks, we offer Isspro mechanical fuel pressure gauges with a range of 10-200 PSI. This gauge features a black face with white numbering. It fits...
    29-1502506
    SKU:
    29-1502506
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $102.99
    Qty in Cart: 0
    Price:
    $102.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Illuminated Red Push Pull Switch, 15A At 12V, W/ 2 Terminals & .250 Tabs For 1/2 Inch Hole

    Illuminated Red Push Pull Switch, 15A At 12V, W/ 2 Terminals & .250 Tabs For 1/2 Inch Hole

    AFTERMARKET

    $10.71
    Illuminated Push Pull Switch That Fits 1/2 Inch HoleRed illuminated push-pull switch rated for 15 amps at 12V, featuring SPST design and 1/2" mounting. Perfect for dash panels, equipment controls,...
    09-16200062
    SKU:
    09-16200062
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $10.71
    Qty in Cart: 0
    Price:
    $10.71
    Subtotal:
  • FREE SHIPPING OVER $249
    Momentary Starter Switch 10A At 12V, 2 Screw Terminals W/ 5/8 Inch Mounting Stem For 1 Inch Panel Mount

    Momentary Starter Switch 10A At 12V, 2 Screw Terminals W/ 5/8 Inch Mounting Stem For 1 Inch Panel Mount

    AFTERMARKET

    $18.21
    Brass W/ Nickle Plating Facing Momentary Starter Switch W/ 5/8 Inch Mounting Stem That Fits 1 Inch Panel MountAll-brass starter switch with nickel-plated face fits classic cars, hot rods, and vintage...
    09-16200058
    SKU:
    09-16200058
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $18.21
    Qty in Cart: 0
    Price:
    $18.21
    Subtotal:
  • FREE SHIPPING OVER $249
    Heavy Duty Metal Toggle Switch, 20A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    Heavy Duty Metal Toggle Switch, 20A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    AFTERMARKET

    $7.49
    Heavy Duty Toggle Switch, Rated For 20A At 12V That Fits 1/2 Inch HoleHeavy-duty all-metal SPST toggle switch rated for 20 amps at 12V with two screw terminals. Perfect for industrial applications,...
    09-16200054
    SKU:
    09-16200054
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $7.49
    Qty in Cart: 0
    Price:
    $7.49
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    Illuminated Amber Oval Rocker Switch , 16A At 12V For 1/2 Inch Hole

    Illuminated Amber Oval Rocker Switch , 16A At 12V For 1/2 Inch Hole

    AFTERMARKET

    Now: $1.08
    Was: $4.82
    Illuminated Oval Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch HoleAmber illuminated oval rocker switch rated for 16 amps at 12V, featuring SPST (Single Pole Single Throw)...
    09-16200046
    SKU:
    09-16200046
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    Now: $1.08
    Was: $4.82
    Qty in Cart: 0
    Price:
    Now: $1.08
    Was: $4.82
    Subtotal:
  • FREE SHIPPING OVER $249
    Illuminated Blue Jumbo Rocker Switch , 16A At 12V For 1/2 Inch Hole

    Illuminated Blue Jumbo Rocker Switch , 16A At 12V For 1/2 Inch Hole

    AFTERMARKET

    $7.49
    Illuminated Jumbo Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch Hole* High Quality Jumbo Rocker Switch* Blue* Incandescent Illumination* Rated 16A At 12V* Single Throw:...
    09-16200042
    SKU:
    09-16200042
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $7.49
    Qty in Cart: 0
    Price:
    $7.49
    Subtotal:
  • FREE SHIPPING OVER $249
    Bakelite Toggle Switch, 15A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    Bakelite Toggle Switch, 15A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    AFTERMARKET

    $7.49
    Toggle Switch, Rated For 15A At 12V, Fits 1/2 Inch HoleClassic bakelite toggle switch fits hot rods, vintage cars and custom builds. Features traditional ON/OFF operation with screw terminals. Rated...
    09-16200064
    SKU:
    09-16200064
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $7.49
    Qty in Cart: 0
    Price:
    $7.49
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Non-Illuminated Toggle Switch, 20A At 12V, 3 Terminals W/ .250 Tabs For 1/2 Inch Hole

    Black Non-Illuminated Toggle Switch, 20A At 12V, 3 Terminals W/ .250 Tabs For 1/2 Inch Hole

    AFTERMARKET

    $4.92
    Non-Illuminated Toggle Switch, Rated For 20A At 12V, Fits 1/2 Inch Hole* High Quality Toggle Switch* Black* Duckbill Style* 3 Terminals, .250 Tabs* Incandescent Bulb* Fits 1/2 Inch Hole And 2650E And...
    09-16200038
    SKU:
    09-16200038
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $4.92
    Qty in Cart: 0
    Price:
    $4.92
    Subtotal:
  • FREE SHIPPING OVER $249
    Amber Illuminated Toggle Switch, 20A At 12V, 3 Terminals W/ .250 Tabs For 1/2 Inch Hole

    Amber Illuminated Toggle Switch, 20A At 12V, 3 Terminals W/ .250 Tabs For 1/2 Inch Hole

    AFTERMARKET

    $4.92
    Illuminated Toggle Switch, Rated For 20A At 12V That Fits 1/2 Inch HoleAmber illuminated toggle switch rated for 20 amps at 12V, featuring SPST (Single Pole Single Throw) design with incandescent...
    09-16200034
    SKU:
    09-16200034
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $4.92
    Qty in Cart: 0
    Price:
    $4.92
    Subtotal:
  • FREE SHIPPING OVER $249
    Heavy Duty Metal Toggle Switch, 50A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    Heavy Duty Metal Toggle Switch, 50A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    AFTERMARKET

    $9.63
    Heavy Duty Toggle Switch, Rated For 50A At 12V That Fits 1/2 Inch HoleHeavy-duty all-metal SPST toggle switch rated for 50 amps at 12V with screw terminals. Perfect for extreme high-current...
    09-16200056
    SKU:
    09-16200056
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $9.63
    Qty in Cart: 0
    Price:
    $9.63
    Subtotal:
  • FREE SHIPPING OVER $249
    Green Aircraft Style Toggle Switch Cover For Standard 1/2 Inch To 3/4 Inch Stem

    Green Aircraft Style Toggle Switch Cover For Standard 1/2 Inch To 3/4 Inch Stem

    AFTERMARKET

    $7.49
    Aircraft Style Toggle Switch Cover, Fits Standard 1/2 Inch To 3/4 Inch Stem* High Quality Toggle Switch Cover* Green* Fits Standard 1/2 Inch To 3/4 Inch Stem With Metal Toggles* Aircraft Style Switch...
    09-16200030
    SKU:
    09-16200030
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Interior
    $7.49
    Qty in Cart: 0
    Price:
    $7.49
    Subtotal:
  • FREE SHIPPING OVER $249
    Heavy Duty Toggle Switch, 30A At 12V, 4 Screw Terminals For 1/2 Inch Hole

    Heavy Duty Toggle Switch, 30A At 12V, 4 Screw Terminals For 1/2 Inch Hole

    AFTERMARKET

    $13.92
    Heavy Duty Toggle Switch, Rated For 30A At 12V, Fits 1/2 Inch HoleHeavy-duty DPST toggle switch rated for 30 amps at 12V with four screw terminals. Perfect for high-current applications, dual circuit...
    09-16200052
    SKU:
    09-16200052
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $13.92
    Qty in Cart: 0
    Price:
    $13.92
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Non-Illuminated Momentary Toggle Switch, 20A At 12V, 2 Terminals W/ .250 Tabs For 1/2 Inch Hole

    Black Non-Illuminated Momentary Toggle Switch, 20A At 12V, 2 Terminals W/ .250 Tabs For 1/2 Inch Hole

    AFTERMARKET

    $4.91
    Non-Illuminated Momentary Toggle Switch, Rated For 20A At 12V, Fits 1/2 Inch Hole* High Quality Toggle Switch* Black* 2 Terminals, .250 Tabs* Fits 1/2 Inch Hole And 2650E And 2950F Panel Mounts*...
    09-16200024
    SKU:
    09-16200024
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $4.91
    Qty in Cart: 0
    Price:
    $4.91
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    LED Red Oval Rocker Switch , 16A At 12V For 1/2 Inch Hole

    LED Red Oval Rocker Switch , 16A At 12V For 1/2 Inch Hole

    AFTERMARKET

    Now: $2.33
    Was: $4.82
    LED Oval Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch HoleRed LED oval rocker switch rated for 16 amps at 12V, featuring SPST (Single Pole Single Throw) design with LED...
    09-16200048
    SKU:
    09-16200048
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    Now: $2.33
    Was: $4.82
    Qty in Cart: 0
    Price:
    Now: $2.33
    Was: $4.82
    Subtotal:
  • FREE SHIPPING OVER $249
    LED Amber Round Rocker Switch , 16A At 12V For 5/8 Inch Hole

    LED Amber Round Rocker Switch , 16A At 12V For 5/8 Inch Hole

    AFTERMARKET

    $4.92
    LED Round Rocker Switch, 16A At 12V, 3 Terminals W/ .187 Tabs That Fits 5/8 Inch Hole* High Quality Rocker Switch* Amber* Round* Rated 16A At 12V * Single Throw: On/Off * SPST / Single Position* 3...
    09-16200020
    SKU:
    09-16200020
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $4.92
    Qty in Cart: 0
    Price:
    $4.92
    Subtotal:
  • Total: items /

Adding your products to cart

Upgrade your International WorkStar with high-quality interior accessories. From seat covers and dashboard trim to storage solutions, our selection enhances comfort, organization, and style. Designed to complement your truck's functionality, these accessories let you customize your cab to fit your needs. Elevate your driving experience with premium accessories for the International WorkStar.

Frequently Asked Questions About International WorkStar Interior Accessories

Will these interior accessories fit my specific WorkStar model year?

Most of our International WorkStar interior accessories are designed to fit models from 2008-2017. However, there can be variations between early and late production years. We recommend checking the specific product description for exact fitment details, or contact our customer service team with your OEM number for verification. Pay special attention to dash configurations, as pre-2011 models may have different mounting points than 2011+ models.

Are the floor mats and seat covers made from heavy-duty materials that can handle daily commercial use?

Yes, our WorkStar floor mats are typically made from heavy-duty rubber or vinyl with deep channels to trap water and debris. Seat covers are constructed from either heavy-duty vinyl, synthetic leather, or commercial-grade fabric designed to withstand 70,000+ miles of use. Look for products with reinforced stitching at stress points and UV-resistant materials to prevent fading and cracking from sun exposure.

How difficult is it to install dash trim kits and interior panels?

Installation difficulty varies by product. Dash trim kits usually require 30-60 minutes and basic hand tools - primarily trim removal tools and a heat gun for proper adhesion. Interior door panels may require 1-2 hours per side and involve removing existing panels, transferring hardware, and ensuring proper clip alignment. Most products include detailed instructions, and we recommend having a second person help with larger panels to prevent damage during installation.

What styles and finishes are available for WorkStar interior upgrades?

Common finishes include chrome, brushed aluminum, carbon fiber look, and wood grain patterns for dash kits and trim pieces. Seat covers come in black, gray, tan, and two-tone options. Floor mats are typically available in black, gray, or tan to match factory interiors. Some accessories offer custom color matching for fleet applications with minimum order quantities.

Do aftermarket gauges and switches require modifications to work with my WorkStar electrical system?

Most replacement gauges are designed as direct-fit solutions that work with existing WorkStar wiring harnesses and sending units. However, adding new gauges or switches may require running additional wiring and potentially drilling mounting holes. LED interior lights typically work with the 12V system but may require load resistors to prevent hyperflashing. Always verify voltage requirements and connector types before purchasing electrical accessories.


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