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Western Star Truck Parts

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING OVER $249
    Chrome Bumper Guide Top W/ Blue Dome Lens

    Chrome Bumper Guide Top W/ Blue Dome Lens

    UNITED PACIFIC

    $8.48
    Blue Dome Lens Shape Tops* High Quality Bumper Guide Top* Blue* Dome Lens Shape* With Chrome Base* Sold As Pair* Warranty On Bumper Guide Tops Against Defects In Workmanship & Material From Date Of...
    09-011400007
    SKU:
    09-011400007
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Bumpers
    $8.48
    Qty in Cart: 0
    Price:
    $8.48
    Subtotal:
  • CSM SS 5 X 4 X 0.125 Inch Wide Bracket For Coobee Light Kit Mounts Light To Bumper

    CSM SS 5 X 4 X 0.125 Inch Wide Bracket For Coobee Light Kit Mounts Light To Bumper

    CHROME SHOP MAFIA

    $33.10
    5 X 4 Inch Coobee Light Kit Bracket By Chrome Shop Mafia* High Quality Bracket* Made Of Steel* Dimensions:  - 5 Inches Long - 4 Inch Height  - .125 Inches Wide * To Be Used With Coobee Light Kit To...
    09-0113003
    SKU:
    09-0113003
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Bumpers
    $33.10
    Qty in Cart: 0
    Price:
    $33.10
    Subtotal:
  • 2 Piece Rear Light Bar No Lights W/ Six 4 Inch Light Holes

    2 Piece Rear Light Bar No Lights W/ Six 4 Inch Light Holes

    UNITED PACIFIC

    $185.99
    Spring Loaded Rear Light Bars W/ 2 1/2 Inch Bolt Spacing* High Quality Rear Light Bar* Each Light Bar Has Three 4 Inch Light Cutouts: Total 6* Spring Loaded * 2 1/2 Inch Bolt Pattern* Sold As Pair*...
    09-011297
    SKU:
    09-011297
    Light Options:
    Without Lights
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Bumpers
    $185.99
    Qty in Cart: 0
    Price:
    $185.99
    Subtotal:
  • Rear Mud Flap Hangers With 4 Rnd 4 Inch & 1 Super 21 On End Light Holes On Each Bar - Pair

    Rear Mud Flap Hangers With 4 Rnd 4 Inch & 1 Super 21 On End Light Holes On Each Bar - Pair

    ROADWORKS

    $409.99
    2.5 Inch Mounting Bolt Spacing Rear Flap Hanger With Light Holes* High Quality Rear Light Bar* Stainless Steel * 4 - 4 Inch Round Light Holes* 1 - Super 21 End Light Holes For Each Bar * 2.5 Inch...
    09-011282
    SKU:
    09-011282
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    $409.99
    Qty in Cart: 0
    Price:
    $409.99
    Subtotal:
  • Stainless Steel Mud Flap Hangers - Red / White Rnd LEDs & End Light

    Stainless Steel Mud Flap Hangers - Red / White Rnd LEDs & End Light

    ROADWORKS

    $768.99
    Mud Flap Hangers W/ 6 Red, 2 White & 2 Super 21 End Lights* High Quality Mud Flap Hangers* Made Of Stainless Steel * 6 - Red Round Lights* 2 - Back Up Lights* 2 - Super 21 End Lights* Solid - Fixed...
    09-011277
    SKU:
    09-011277
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    $768.99
    Qty in Cart: 0
    Price:
    $768.99
    Subtotal:
  • FREE SHIPPING
    SS Rear Light Bars, Fixed Mount W/ 6 - 4 Inch Round Light Hole Cutouts

    SS Rear Light Bars, Fixed Mount W/ 6 - 4 Inch Round Light Hole Cutouts

    GRAND GENERAL

    $359.99
    Stainless Steel Mud Flap Hanger Rear Bar with Light CutoutsSecurely mount mud flaps and add lights to your truck with this pair of Rear Light Bars. Constructed from high-quality stainless steel,...
    09-011241
    SKU:
    09-011241
    Truck Class:
    Heavy Duty
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Finish Options:
    Polished
    Product Type:
    Mud Flaps
    $359.99
    Qty in Cart: 0
    Price:
    $359.99
    Subtotal:
  • FREE SHIPPING
    Spring Loaded Rear Light Bar W/ 6 - 4 Inch Round Light Hole Holes & 3.75 Inch Bolt Pattern - Pair

    Spring Loaded Rear Light Bar W/ 6 - 4 Inch Round Light Hole Holes & 3.75 Inch Bolt Pattern - Pair

    UNITED PACIFIC

    $384.99
    Spring Loaded Light Bars W/ 6 - 4 Inch Round Light HolesHang your rear mud flaps in style with this pair of spring loaded light bars. Made out of 430 stainless steel, each light bar has 6 round 4...
    09-011214
    SKU:
    09-011214
    Truck Class:
    Universal
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Bumpers
    $384.99
    Qty in Cart: 0
    Price:
    $384.99
    Subtotal:
  • Stainless Steel Mud Flap Hangers W/ 3 - 4 Inch Light Holes, End Light Hole - Pair

    Stainless Steel Mud Flap Hangers W/ 3 - 4 Inch Light Holes, End Light Hole - Pair

    ROADWORKS

    $442.99
    Stainless Steel Solid Mount Mud Flap Hangers W/ 3 - 4 Inch Light Holes, End Light Hole* High Quality Mud Flap* Made Of Stainless Steel* Solid Mount* 3 - 4 Inch Light Holes* End Light Holes, 1 On Each...
    09-011200009
    SKU:
    09-011200009
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    $442.99
    Qty in Cart: 0
    Price:
    $442.99
    Subtotal:
  • Mud Flap Light Bar W/ 3 - 4 Inch Round Red LED Lights & Bezels

    Mud Flap Light Bar W/ 3 - 4 Inch Round Red LED Lights & Bezels

    ROADWORKS

    $200.99
    Stainless Steel Mud Flap Light Bar W/ 3 Round 4 Inch Red LED 5 Diode Lights & Bezels* High Quality Mud Flap Light Bar.* Made of 430 Stainless Steel.* 3 - 4 Inch Round 5 Diode LED Red Lights With Red...
    09-011200008
    SKU:
    09-011200008
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Bumpers
    $200.99
    Qty in Cart: 0
    Price:
    $200.99
    Subtotal:
  • Rear T Bumper W/Out Light Holes

    Rear T Bumper W/Out Light Holes

    IOWA CUSTOMS

    $2,216.99
    Rear T Bar Without Light Holes* High Quality Rear T Bumper* Without Light Holes * Sold Individually * Warranty On Rear T Bumper Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-0111127
    SKU:
    09-0111127
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Light Options:
    Without Lights
    Product Type:
    Bumpers
    $2,216.99
    Qty in Cart: 0
    Price:
    $2,216.99
    Subtotal:
  • Rear Center Light Panel Stainless Steel W/ 4 - 4 Inch, 8 - 1 Inch Red LED Lights

    Rear Center Light Panel Stainless Steel W/ 4 - 4 Inch, 8 - 1 Inch Red LED Lights

    GRAND GENERAL

    $277.99
    Rear Center Light Panel W/ 4 - 4 Inch & 8 - 1 Inch Red LED Red Lens LightsThis stainless steel rear center light panel with four 4 inch and eight 1 inch round red LED lights has 3 downward-facing...
    09-0111126
    SKU:
    09-0111126
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Finish Options:
    Polished
    Position:
    Rear
    Product Type:
    Bumpers
    Availability:
    Ready To Ship
    $277.99
    Qty in Cart: 0
    Price:
    $277.99
    Subtotal:
  • Stainless Steel Rear Center Light Panel, Light Bars W/ 10 - 4 Inch, 6 - 2 Inch Red/Clear LED STT Lights

    Stainless Steel Rear Center Light Panel, Light Bars W/ 10 - 4 Inch, 6 - 2 Inch Red/Clear LED STT Lights

    UNITED PACIFIC

    $474.99
    Stainless Steel Rear Center Light Panel & Spring-Loaded Light Bars W/ Red LED Stop, Tail, Turn Lights* High Quality Light Bar* Kit Consist Of:  - (2) Lighted Rear Mud Flap Hangers With 2.5 Inch Bolt...
    09-011109K
    SKU:
    09-011109K
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Finish Options:
    Polished
    Position:
    Rear
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    $474.99
    Qty in Cart: 0
    Price:
    $474.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel W/ 4 Inch Round Light Holes

    Stainless Steel Rear Center Panel W/ 4 Inch Round Light Holes

    IOWA CUSTOMS

    $387.99
    Stainless Steel Rear Center Light Bar W/ 4 Inch Round Light Holes* High Quality Light Panel* Made Of 16 Gauge 304 Polished Stainless Steel* Includes Mounting Hardware* Lights, Grommets And Harness...
    09-0111081
    SKU:
    09-0111081
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Finish Options:
    Polished
    Product Type:
    Bumpers
    Availability:
    Ready To Ship
    $387.99
    Qty in Cart: 0
    Price:
    $387.99
    Subtotal:
  • 12 Inch 304 SS Rear Center Panel W/ 4 - 4 Inch, 6 - 2 Inch, 2 - 4 Inch Light Holes, Back Plate

    12 Inch 304 SS Rear Center Panel W/ 4 - 4 Inch, 6 - 2 Inch, 2 - 4 Inch Light Holes, Back Plate

    ROADWORKS

    $258.99
    Stainless Steel Rear Center Panel W/ 4 - 4 Inch, 6 - 2 Inch, 2 - 4 Inch Light Holes & Back Plate* High Quality Rear Center Light Panel* Made Of Stainless Steel * 12 Inch* 4 - 4 Inch Round Light Holes...
    09-0111064
    SKU:
    09-0111064
    Height Options:
    12 Inch
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    $258.99
    Qty in Cart: 0
    Price:
    $258.99
    Subtotal:
  • 12 Inch SS Rear Center Panel W/ 4 Angled-In Oval, 4 - 2 Inch Light Holes, Back Plate

    12 Inch SS Rear Center Panel W/ 4 Angled-In Oval, 4 - 2 Inch Light Holes, Back Plate

    ROADWORKS

    $239.99
    12 Inch 430 Stainless Steel Rear Center Panel W/ 4 Oval, 4 - 2 Inch Light Holes, W/ Back Plate* High Quality Rear Center Light Panel* Made Of Stainless Steel * 12 Inch* 4 Oval Light Holes* 4 - 2 Inch...
    09-0111062
    SKU:
    09-0111062
    Height Options:
    12 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Position:
    Rear
    Product Type:
    Bumpers
    $239.99
    Qty in Cart: 0
    Price:
    $239.99
    Subtotal:
  • 12 Inch Stainless Steel Rear Center Panel W/ 4 - 4 Inch, 4 - 2 Inch Round Red/Clear LEDs

    12 Inch Stainless Steel Rear Center Panel W/ 4 - 4 Inch, 4 - 2 Inch Round Red/Clear LEDs

    ROADWORKS

    $423.99
    12 Inch Stainless Steel Rear Center Panel W/ 4 - 4 Inch, 4 - 2 Inch Round Red LED Clear Lens Lights* High Quality Rear Center Panel* Made Of 430 Stainless Steel * 12 Inch* 4 - 4 Inch Round Lights And...
    09-0111060
    SKU:
    09-0111060
    Light Options:
    With Lights
    Truck Class:
    Heavy Duty
    Height Options:
    12 Inch
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Position:
    Rear
    Product Type:
    Bumpers
    $423.99
    Qty in Cart: 0
    Price:
    $423.99
    Subtotal:
  • 12 Inch Stainless Steel Rear Center Panel W/ 6 - 4 Inch, 6 - 2 Inch Light Holes, Back Plate

    12 Inch Stainless Steel Rear Center Panel W/ 6 - 4 Inch, 6 - 2 Inch Light Holes, Back Plate

    ROADWORKS

    $239.99
    12 Inch 430 Stainless Steel. Rear Center Panel W/ 6 - 4 Inch, 6 - 2 Inch Round Light Holes & Back Plate* High Quality Rear Center Light Panel* Made Of 430 Stainless Steel * 12 Inch* 4 - 4 Inch Round...
    09-0111054
    SKU:
    09-0111054
    Height Options:
    12 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Bumpers
    $239.99
    Qty in Cart: 0
    Price:
    $239.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Aluminum Back Plate For Center Light Bars

    CSM Aluminum Back Plate For Center Light Bars

    CHROME SHOP MAFIA

    $82.99
    Aluminum Back Plate For Center Rear Light Panels By Chrome Shop MafiaMount this high-quality CSM back plate to your center light bar. Lightweight and durable, it is made out of aluminum. The plate is...
    09-0111045
    SKU:
    09-0111045
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Bumpers
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • 12 Inch 304 Stainless Steel Rear Center Panel W/ 6 - 4 Inch, 6 - 2 Inch Light Holes

    12 Inch 304 Stainless Steel Rear Center Panel W/ 6 - 4 Inch, 6 - 2 Inch Light Holes

    ROADWORKS

    $137.99
    12 Inch 304 Stainless Steel Rear Center Panel W/ 6 - 4 Inch & 6 - 2 Inch Light Holes* High Quality Rear Center Light Panel* Made Of Stainless Steel * 12 Inch* Red LED/Clear Lens* Red LED/Red Lens* 4...
    09-0111042
    SKU:
    09-0111042
    Height Options:
    12 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Finish Options:
    Polished
    Product Type:
    Bumpers
    $137.99
    Qty in Cart: 0
    Price:
    $137.99
    Subtotal:
  • 12 X 34 Inch SS Rear Center Light Panel W/ 4 - 4 Inch & 3 - 2.5 Inch Red Incandescent Lights

    12 X 34 Inch SS Rear Center Light Panel W/ 4 - 4 Inch & 3 - 2.5 Inch Red Incandescent Lights

    UNITED PACIFIC

    $292.99
    SS Center Rear Light Panel W/ 4 - 4 Inch & 3 - 2.5 Inch Red Incandescent Lights & BezelsProfessional-grade light panel combines classic beehive lighting with modern style. Features four 4-inch and...
    09-0111021
    SKU:
    09-0111021
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Position:
    Rear
    Finish Options:
    Polished
    Product Type:
    Bumpers
    $292.99
    Qty in Cart: 0
    Price:
    $292.99
    Subtotal:
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Adding your products to cart

Tough jobs call for tough trucks. And when your Western Star needs parts, you want upgrades that can keep up. Whether you're driving a 4700 series, 4900, or the sleek 5700XE, we’ve got the aftermarket parts to match your truck’s power and personality.

Why Buy Aftermarket Western Star Parts?

- Save money over OEM without sacrificing quality - Upgrade performance with improved durability and function. - Customize your rig inside and out for comfort, style, or branding. - Stay DOT-compliant with lighting, mirrors, and safety upgrades. These parts aren’t just about replacing the old stuff. They’re about boosting what your truck can do—and how good it looks doing it.

Get the Job Done—And Look Good Doing It

We carry Western Star exterior and interior parts built for hard-working trucks. From rugged 5700xe truck bumpers to stylish chrome trim, our components are designed to perform under pressure—and turn heads while doing it. Need replacement parts to stay road-ready? We’ve got them. Want to customize your ride with aftermarket accessories or truck headlights that reflect your brand? You’ll find those here too.

Built for Fleets, Shops & Owner-Ops

Whether you’re wrenching in your shop or managing a fleet, 4 State makes it easy to shop Western Star truck components. Our inventory fits a wide range of models and job needs—from long-haul comfort upgrades to workhorse body parts built for logging, oilfield, or construction routes. We stock: - Cab and sleeper parts. - Engine and performance components. - Lights, visors, fenders, hoods, grilles, and more.

Let’s Get You Back on the Road

We know downtime costs money. That’s why we make it easy to shop Western Star parts online—fast shipping, expert support, and a huge selection of heavy-duty commercial truck parts ready to roll. Ready to make your rig better than new?

Frequently Asked Questions About Western Star Truck Parts

What year models do your Western Star replacement parts fit, and how can I verify compatibility?

Our Western Star parts are designed to fit specific model years and configurations. Most aftermarket parts cover models from 2002 to present, including the 4700, 4800, 4900, and 5700 series. To verify compatibility, check your OEM number and compare it with the fitment details listed on each product page. If you're unsure, contact our support team with your truck's year, model, and OEM - we'll confirm the exact fit before you order.

Are these genuine OEM Western Star parts or aftermarket alternatives?

We carry both OEM and high-quality aftermarket Western Star parts. Aftermarket options typically offer 30-50% savings while maintaining durability standards. Our aftermarket parts are manufactured from grade 304 stainless steel or heavy-duty chrome-plated steel, matching or exceeding OEM specifications. Each product listing clearly indicates whether it's OEM or aftermarket, along with material specifications and warranty details.

What tools and expertise do I need to install Western Star bumpers and exterior parts?

Most bumper installations require basic hand tools including socket sets, wrenches, and a torque wrench. Typical installation takes 2-4 hours for experienced mechanics. Bumpers usually mount using existing frame holes, though some models may require drilling. We recommend having a second person assist with heavy components like bumpers. Professional installation runs $200-500 depending on complexity. All parts include detailed instructions, and our tech support can walk you through any challenges.

What's the difference between chrome, stainless steel, and painted finishes for longevity?

Stainless steel offers the best corrosion resistance and typically lasts 10-15 years without pitting or rust. Chrome-plated steel provides excellent shine but may show wear after 5-7 years in harsh conditions. Painted finishes are most affordable but require touch-ups every 3-5 years. For trucks operating in salt-heavy regions, we strongly recommend stainless steel. Chrome works well for moderate climates with regular washing and maintenance.

Do your Western Star parts come with mounting hardware and warranties?

Yes, all bumpers and major components include necessary mounting hardware unless specifically noted. Standard warranties range from 1 year for chrome parts to 3 years for stainless steel components, covering defects in materials and workmanship. Electrical components typically carry 90-day warranties. Keep your receipt and register products online for faster warranty service. Note that warranties don't cover damage from improper installation or road hazards.


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