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Western Star 4900 Constellation Trucks

Discover Western Star 4900 Constellation Truck parts at 4 State Trucks for a fuel-efficient and safe ride. Upgrade with custom bumpers, exhaust systems, and premium seating. Make your truck stand out with our selection of practical and stylish gear. Hit the open road in style and comfort
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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker & Auxiliary Light W/ Clear Lens

    Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker & Auxiliary Light W/ Clear Lens

    TRUX ACCESSORIES

    $35.59
    Amber/Pink Dual Revolution M1 Style Gen 4 LED Marker Light W/ Chrome ABS Plastic Bezel & 3 Male Bullet PlugsAdd versatile lighting and a custom look to your truck with theAmber/Pink Dual Revolution...
    09-160105316
    SKU:
    09-160105316
    Product Type:
    Lighting
    Make:
    Universal Items
    $35.59
    Qty in Cart: 0
    Price:
    $35.59
    Subtotal:
  • 10 Piece Mounting Hardware Set For Watermelon Cab Lights

    10 Piece Mounting Hardware Set For Watermelon Cab Lights

    UNITED PACIFIC

    $2.99
    Mounting Hardware Set Fits Watermelon Cab Lights 10 Piece* High Quality Mounting Hardware Set* Made of Stainless Steel* For Mounting Watermelon Cab Lights (Lights Not Included)* Includes:  - (10) M4...
    09-16080021
    SKU:
    09-16080021
    Product Type:
    Lighting
    Make:
    Universal Items
    $2.99
    Qty in Cart: 0
    Price:
    $2.99
    Subtotal:
  • 10 Pack 1157 Type Clear Bulb W/ Indexed Double Contact Bayonet Base

    10 Pack 1157 Type Clear Bulb W/ Indexed Double Contact Bayonet Base

    UNITED PACIFIC

    $5.99
    Clear Bulb 1157 Type W/ Indexed Double Contact Bayonet Base 10 Pack* High Quality Incandescent Bulb* 1157 Type* Indexed Double Contact Bayonet Base* Sold As Pack (10)* Warranty On Incandescent Bulbs...
    09-16000219
    SKU:
    09-16000219
    Product Type:
    Lighting
    Make:
    Universal Items
    $5.99
    Qty in Cart: 0
    Price:
    $5.99
    Subtotal:
  • Mini Rectangular Rubber Grommet 3.25 X 1.875 Inch 10 Pack

    Mini Rectangular Rubber Grommet 3.25 X 1.875 Inch 10 Pack

    UNITED PACIFIC

    $6.99
    10 Pack Mini Rectangular Rubber Grommet 3.25 X 1.875 Inch* High Quality Mini Rectangular Grommet* Made Of PVC Rubber* Designed For Mini Rectangular Style Lights (Lights Not Included)* Provides...
    09-16020548
    SKU:
    09-16020548
    Product Type:
    Lighting
    Make:
    Universal Items
    $6.99
    Qty in Cart: 0
    Price:
    $6.99
    Subtotal:
  • Thread On Air Valve Knob 50 Caliber Bullet Style 5/8 Inch

    Thread On Air Valve Knob 50 Caliber Bullet Style 5/8 Inch

    UNITED PACIFIC

    $38.99
    5/8 Inch 50 Caliber Bullet Style Air Valve Knob Thread On* High Quality Air Valve Knob* Made Of Die Cast Aluminum* 50 Caliber Bullet Style* Removable Thread Lock Included To Prevent Loosening Of...
    09-15010325
    SKU:
    09-15010325
    Product Type:
    Interior
    Make:
    Universal Items
    $38.99
    Qty in Cart: 0
    Price:
    $38.99
    Subtotal:
  • Amber/Red & Purple Dual Function Mini Round Double Face LED Clearance, Marker & Auxiliary Light W/ Clear Lens

    Amber/Red & Purple Dual Function Mini Round Double Face LED Clearance, Marker & Auxiliary Light W/ Clear Lens

    TRUX ACCESSORIES

    $50.99
    Amber/Red & Purple Dual Function Mini Round Double Face LED Marker Light W/ Zinc Alloy Housing & Single Mount PostGive your truck a unique lighting upgrade with theAmber/Red & Purple Dual Function...
    09-160105324
    SKU:
    09-160105324
    Product Type:
    Lighting
    Make:
    Universal Items
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic Mack Drive Axles Haldex Type Slack Adjuster W/ 6 Inch 16 Degree Angled Arm Replaces 135.2832

    Automatic Mack Drive Axles Haldex Type Slack Adjuster W/ 6 Inch 16 Degree Angled Arm Replaces 135.2832

    AFTERMARKET

    $78.99
    Automatic Mack Drive Axles Haldex Type Slack Adjuster W/ 1.5 Inch - 28 Spline Diameter Replaces 135.2832* High Quality Slack Adjuster* Automatic, Mack Drive Axles, Haldex Type* 28 Spline Count* 16...
    09-05170517
    SKU:
    09-05170517
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic Gunite Type Slack Adjuster W/ 5.5 Inch Straight Arm Height

    Automatic Gunite Type Slack Adjuster W/ 5.5 Inch Straight Arm Height

    AFTERMARKET

    $78.99
    Automatic Gunite Type Slack Adjuster W/ 1.5 Inch - 28 Spline Diameter* High Quality Slack Adjuster* Automatic Gunite Type* 28 Spline Count* Straight Arm* Adjuster Dimensions:  - 5.5 Inch Arm Height ...
    09-05170516
    SKU:
    09-05170516
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING
    ABS Hydraulic Motor Kit W/ Hydraulic Pump & Motor Assembly Replaces S21808, S4784079472

    ABS Hydraulic Motor Kit W/ Hydraulic Pump & Motor Assembly Replaces S21808, S4784079472

    AFTERMARKET

    $1,047.99
    Meritor ABS Hydraulic Pump & Motor Assembly Replaces S21808, S4784079472* High Quality ABS Hydraulic Motor Kit* Meritor ABS Hydraulic Pump And Motor Assembly* Used By HABS-E Braking Electronics* Sold...
    09-05170518
    SKU:
    09-05170518
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,047.99
    Qty in Cart: 0
    Price:
    $1,047.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Poly Quarter Fender Kit 24 X 24 Inch W/ Round Tube Support Internal Mount Replaces 03101657, 1000-QF1900

    Black Poly Quarter Fender Kit 24 X 24 Inch W/ Round Tube Support Internal Mount Replaces 03101657, 1000-QF1900

    AFTERMARKET

    $109.99
    24 X 24 Inch Black Poly Quarter Fender Kit W/ Hardware Kit Replaces 03101657, 1000-QF1900* High Quality Quarter Fender Kit* Made Of Polycarbonate* Round Tube Support Internal Mount* Includes:  - (2)...
    09-11050636
    SKU:
    09-11050636
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $109.99
    Qty in Cart: 0
    Price:
    $109.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic Drive Axle Haldex Type Slack Adjuster W/ 1.5 Inch 28 Spline Diameter Replaces 133.2830

    Automatic Drive Axle Haldex Type Slack Adjuster W/ 1.5 Inch 28 Spline Diameter Replaces 133.2830

    AFTERMARKET

    $78.99
    Automatic Drive Axle Haldex Type Slack Adjuster W/ 34 Degree Angled Arm & 2 Bolt Holes 5 And 6 Inch C To C Arm Height* High Quality Slack Adjuster* Automatic, Drive Axles, Haldex Type* 28 Spline...
    09-05170513
    SKU:
    09-05170513
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic Gunite Type Slack Adjuster W/ 5.5 Inch Straight Arm Height Replaces 138.1010

    Automatic Gunite Type Slack Adjuster W/ 5.5 Inch Straight Arm Height Replaces 138.1010

    AFTERMARKET

    $78.99
    Automatic Gunite Type Slack Adjuster W/ 1.5 Inch - 28 Spline Diameter* High Quality Slack Adjuster* Automatic Gunite Type* 10 Spline Count* Straight Arm* Clevis Kit Gunite Type Included* Adjuster...
    09-05170514
    SKU:
    09-05170514
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic, Drive Axles, Haldex Type Slack Adjuster W/ 5.5 Inch Arm Height & 1.5 Inch 28 Spline Diameter Replaces 135.2835

    Automatic, Drive Axles, Haldex Type Slack Adjuster W/ 5.5 Inch Arm Height & 1.5 Inch 28 Spline Diameter Replaces 135.2835

    AFTERMARKET

    $78.99
    Automatic, Drive Axles, Haldex Type Slack Adjuster W/ 34 Degree Angled Arm* High Quality Slack Adjuster* Automatic, Drive Axles, Haldex Type* 28 Spline Count* 34 Degree Angled Arm* Haldex Type...
    09-05170512
    SKU:
    09-05170512
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Spring Brake Valve W/ 3/8 Inch NPT Control & Supply Port Replaces 170.110171

    Spring Brake Valve W/ 3/8 Inch NPT Control & Supply Port Replaces 170.110171

    AFTERMARKET

    $72.99
    Spring Brake Valve W/ 1/2 & 3/8 Inch Reservoir Ports, 2 - 3/8 Inch Delivery Port* High Quality Spring Brake Valve* Protected Reservoir Spring Brake Control Valve* Control And Supply Ports Are...
    09-05170509
    SKU:
    09-05170509
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $72.99
    Qty in Cart: 0
    Price:
    $72.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Dash Valve W/ Integral Push=Lock-Connect Fittings & 4 M6 X 1 - 6H Mounting Holes Replaces 170.800622WF, 5006257

    MV3 Dash Valve W/ Integral Push=Lock-Connect Fittings & 4 M6 X 1 - 6H Mounting Holes Replaces 170.800622WF, 5006257

    AFTERMARKET

    $200.99
    MV3 Dash Valve 5.8 X 1.5 Inch C To C W/ 5 - 3/8 Inch PLC Ports* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings* Trailer Trip Pressure 25-45 PSI*...
    09-05170508
    SKU:
    09-05170508
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $200.99
    Qty in Cart: 0
    Price:
    $200.99
    Subtotal:
  • FREE SHIPPING OVER $249
    T18/24 Disc Brake Chamber W/ 2.5 Inch Ram Stroke & 4 Inch Push Rod Replaces 179.SB1824DB, LCP1824D

    T18/24 Disc Brake Chamber W/ 2.5 Inch Ram Stroke & 4 Inch Push Rod Replaces 179.SB1824DB, LCP1824D

    AFTERMARKET

    $162.99
    T18/24 Disc Brake Chamber 9.125 Chamber Height & 4.75 Inch C To C Mount Hole Distance* High Quality Disc Brake Chamber* T18/24 Disc Brake* Spring Brake Chamber Type* (2) M16 - 1.5 X 1.75 Inch...
    09-05170510
    SKU:
    09-05170510
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $162.99
    Qty in Cart: 0
    Price:
    $162.99
    Subtotal:
  • FREE SHIPPING OVER $249
    FF2 Type Full Function Trailer Valve W/ 2 Way Check & 4 Port Relay Valves Replaces 170.KN28601

    FF2 Type Full Function Trailer Valve W/ 2 Way Check & 4 Port Relay Valves Replaces 170.KN28601

    AFTERMARKET

    $118.99
    FF2 Type Full Function Trailer Valve W/ Control, Spring Brake, Supply, Reservoir & Delivery Ports* High Quality Trailer Valve* FF2 Type Full Function Valve* Combines The Functions of Pressure...
    09-05170504
    SKU:
    09-05170504
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $118.99
    Qty in Cart: 0
    Price:
    $118.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Brake Inversion Valve W/ Dust Shield On The Exhaust Port Replaces 14449, 280758

    Air Brake Inversion Valve W/ Dust Shield On The Exhaust Port Replaces 14449, 280758

    AFTERMARKET

    $58.99
    Air Brake Inversion Valve W/ 0.28 Inch Mounting Holes, Delivery, Supply & Control Ports* High Quality Air Brake Inversion Valve* Inlet Opening Descending Pressure Common Control: 45 PSI* Exhaust...
    09-05170505
    SKU:
    09-05170505
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $58.99
    Qty in Cart: 0
    Price:
    $58.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Automatic Trailer Axles Haldex Type Slack Adjuster W/ 6 Inch Straight Arm Height Replaces 133.2841

    Automatic Trailer Axles Haldex Type Slack Adjuster W/ 6 Inch Straight Arm Height Replaces 133.2841

    AFTERMARKET

    $78.99
    Automatic Trailer Axles Haldex Type Slack Adjuster W/ 1.5 Inch - 28 Spline Diameter Replaces 133.2841* High Quality Slack Adjuster* Automatic, Trailer Axles, Haldex Type* 28 Spline Count* Straight...
    09-05170515
    SKU:
    09-05170515
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Type Dash Valve W/ Integral Push-Lock-Connect Fittings Replaces 170.KN20619, 20560009

    MV3 Type Dash Valve W/ Integral Push-Lock-Connect Fittings Replaces 170.KN20619, 20560009

    AFTERMARKET

    $156.99
    MV3 Type Dash Valve 3.5 X 5.33 Inch C To C W/ 4 0.3 Inch Diameter Bolt Holes & 6 - 3/8 Inch PLC Ports* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings*...
    09-05170506
    SKU:
    09-05170506
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $156.99
    Qty in Cart: 0
    Price:
    $156.99
    Subtotal:
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Adding your products to cart

Meet the Western Star 4900 Constellation Trucks, built for power, precision, and bold style. With a rugged frame and versatile engine options, this truck easily handles tough jobs while offering exceptional performance. Its striking exterior design turns heads on the road, from the bold grille to the aerodynamic cab. Inside, the driver-focused cockpit and premium features ensure comfort.

Frequently Asked Questions About Western Star 4900 Constellation Truck Parts

What years and models are compatible with Western Star 4900 Constellation parts?

Most aftermarket parts for the Western Star 4900 Constellation are designed to fit models from 2002 to 2020. However, there are important distinctions between pre-2013 and post-2013 models due to front-end redesigns. Always verify compatibility by checking your OEM or providing your truck's specific year and configuration when ordering. Set-back axle and set-forward axle models may require different bumper mounting brackets and accessories.

What materials are Western Star 4900 bumpers made from, and which is best for my needs?

Western Star 4900 bumpers typically come in three materials: chrome-plated steel (16-gauge or 14-gauge), stainless steel (304 or 316 grade), and aluminum. Chrome-plated steel offers the classic look at a lower price point but requires regular maintenance to prevent rust. Stainless steel provides superior corrosion resistance and durability, especially for trucks operating in harsh weather conditions. Aluminum bumpers are lightweight and rust-proof but may not withstand heavy impacts as well as steel options.

Can I install a Western Star 4900 bumper myself, or do I need professional help?

While experienced mechanics can install most bumpers in 2-4 hours, we recommend professional installation for first-time installers. The bumper typically weighs 80-150 pounds and requires precise alignment with existing mounting points. You'll need basic tools including a socket set, torque wrench, and potentially a helper for positioning. Some models may require drilling new mounting holes or modifying brackets, especially when upgrading from OEM to aftermarket bumpers.

What's the difference between OEM-style and aftermarket bumpers for the 4900?

OEM-style bumpers match factory specifications and mounting points exactly, ensuring a direct fit without modifications. Aftermarket options often feature enhanced designs with additional light mounting points, improved aerodynamics, or heavier gauge materials. Popular aftermarket styles include the Texas Square, Boxed End, and Valley Chrome designs. While aftermarket bumpers may offer better features or aesthetics, always confirm they include proper mounting hardware for your specific truck configuration.

How do I maintain chrome and stainless steel bumpers on my Western Star 4900?

Chrome bumpers require weekly cleaning with chrome polish and a microfiber cloth to prevent pitting and rust, especially in winter months or coastal areas. Apply a quality wax or sealant monthly for added protection. Stainless steel bumpers need less frequent maintenance but benefit from monthly cleaning with stainless steel cleaner to remove road film and prevent water spots. Avoid using abrasive cleaners or steel wool on either finish. For winter driving, rinse salt and chemicals off within 24-48 hours to prevent corrosion.


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