null

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
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BESTfit DEF Sensor Head Assembly Replaces AP65151, 5511561, GA111561

    BESTfit DEF Sensor Head Assembly Replaces AP65151, 5511561, GA111561

    BESTFIT TRUCK PARTS

    $1,572.99
    Diesel Exhaust Fluid Sensor Head Assembly By BESTfit Replaces AP65151, 5511561, GA111561Restore accuracy to your DEF system with the BESTfit DEF Sensor Head Assembly. Engineered for CAT C4.4-style...
    29-06070035
    SKU:
    29-06070035
    Product Type:
    Fuel Tanks
    Height Options:
    22 Inch
    Make:
    Universal Items
    $1,572.99
    Qty in Cart: 0
    Price:
    $1,572.99
    Subtotal:
  • BESTfit DEF Sensor Head Assembly Replaces 3329295, 4812011099, 501740

    BESTfit DEF Sensor Head Assembly Replaces 3329295, 4812011099, 501740

    BESTFIT TRUCK PARTS

    $1,345.99
    Diesel Exhuast Fluid Sensor Head Assembly By BESTfit Replaces 3329295, 4812011099, 501740Maintain peak emissions system performance with the BESTfit DEF Sensor Head Assembly. Designed for Diesel...
    29-06070038
    SKU:
    29-06070038
    Height Options:
    18 Inch
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $1,345.99
    Qty in Cart: 0
    Price:
    $1,345.99
    Subtotal:
  • BESTfit DEF Pump 2.2 For Cummins & Caterpillar Replaces 098644D204, 4387305, 5EL058

    BESTfit DEF Pump 2.2 For Cummins & Caterpillar Replaces 098644D204, 4387305, 5EL058

    BESTFIT TRUCK PARTS

    $1,145.99
    Diesel Exhaust Fluid Pump 2.2 By BESTfit Replaces 098644D204, 4387305, 5EL058 Fits Cummins & CaterpillarUpgrade your emissions system with the BESTfit DEF Pump 2.2, a premium replacement for part...
    29-06070024
    SKU:
    29-06070024
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $1,145.99
    Qty in Cart: 0
    Price:
    $1,145.99
    Subtotal:
  • BESTfit DEF Pump 2.2 For Cummins Replaces 1819797, 2880158, A662102

    BESTfit DEF Pump 2.2 For Cummins Replaces 1819797, 2880158, A662102

    BESTFIT TRUCK PARTS

    $1,145.99
    Exhaust Fluid Pump 2.2 By BESTfit Replaces 1819797, 2880158, A662102 Fits CumminsOptimize your emissions system with the BESTfit DEF Pump 2.2, a dependable replacement for 1819797, 2880158, and...
    29-06070029
    SKU:
    29-06070029
    Product Type:
    Fuel Tanks
    Style Options:
    Cummins
    Make:
    Universal Items
    $1,145.99
    Qty in Cart: 0
    Price:
    $1,145.99
    Subtotal:
  • BESTfit DEF Sensor Head Assembly Replaces 4623219, 82196511, T434824

    BESTfit DEF Sensor Head Assembly Replaces 4623219, 82196511, T434824

    BESTFIT TRUCK PARTS

    $891.99
    Diesel Exhaust Fluid Sensor Head Assembly By BESTfitStrengthen emissions system reliability with the BESTfit DEF Sensor Head Assembly, a high-quality replacement for 4623219, 82196511, and T434824...
    29-06070031
    SKU:
    29-06070031
    Product Type:
    Fuel Tanks
    Height Options:
    11 Inch
    Make:
    Universal Items
    $891.99
    Qty in Cart: 0
    Price:
    $891.99
    Subtotal:
  • BESTfit DEF Sensor Head Assembly Replaces 82217519, 918161618, APP41422

    BESTfit DEF Sensor Head Assembly Replaces 82217519, 918161618, APP41422

    BESTFIT TRUCK PARTS

    $1,057.99
    Diesel Exhaust Fluid Sensor Head Assembly By BESTfit Replaces 82217519, 918161618, APP41422Count on accurate DEF monitoring with the BESTfit DEF Sensor Head Assembly, replacing 82217519, 918161618,...
    29-06070034
    SKU:
    29-06070034
    Height Options:
    18 Inch
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $1,057.99
    Qty in Cart: 0
    Price:
    $1,057.99
    Subtotal:
  • BESTfit DEF Sensor Head Assembly Replaces 3600932, 5913429, 714898

    BESTfit DEF Sensor Head Assembly Replaces 3600932, 5913429, 714898

    BESTFIT TRUCK PARTS

    $887.99
    Diesel Exhaust Fluid Sensor Head Assembly By BESTfitEnsure consistent emissions performance with the BESTfit DEF Sensor Head Assembly. Built for CAT C3.6 and C4.4 engines, this assembly accurately...
    29-06070020
    SKU:
    29-06070020
    Product Type:
    Fuel Tanks
    Height Options:
    18 Inch
    Make:
    Universal Items
    $887.99
    Qty in Cart: 0
    Price:
    $887.99
    Subtotal:
  • BESTfit DEF Fluid Level & Temperature Sensor For Paccar Replaces AP65148, GA617002, 216127002

    BESTfit DEF Fluid Level & Temperature Sensor For Paccar Replaces AP65148, GA617002, 216127002

    BESTFIT TRUCK PARTS

    $286.99
    DEF Fluid Level & Temperature Sensor By BESTfit Replaces AP65148, GA617002, 216127002 Fits PaccarSupport optimal SCR emissions performance with the BESTfit DEF Fluid Level & Temperature Sensor, a...
    29-06070030
    SKU:
    29-06070030
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $286.99
    Qty in Cart: 0
    Price:
    $286.99
    Subtotal:
  • BESTfit DEF Pump 2.2 For Cummins Replaces 098644D207, 2P0131113B, 5EL056

    BESTfit DEF Pump 2.2 For Cummins Replaces 098644D207, 2P0131113B, 5EL056

    BESTFIT TRUCK PARTS

    $1,138.99
    Diesel Exhaust Fluid Pump 2.2 By BESTfit Replaces 098644D207, 2P0131113B, 5EL056 Fits CumminsMaximize the efficiency of your emissions system with the BESTfit DEF Pump 2.2, a reliable replacement for...
    29-06070027
    SKU:
    29-06070027
    Style Options:
    Cummins
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $1,138.99
    Qty in Cart: 0
    Price:
    $1,138.99
    Subtotal:
  • BESTfit Doser Injector Mounting Hardware Kit For Cummins

    BESTfit Doser Injector Mounting Hardware Kit For Cummins

    BESTFIT TRUCK PARTS

    $89.99
    Doser Injector Mounting Hardware Kit By BESTfit Replaces 2120750011, 4376837, NMD4376837 Fits Cummins EngineKeep your doser injector securely mounted with the BESTfit Doser Injector Mounting Hardware...
    29-06070021
    SKU:
    29-06070021
    Product Type:
    Fuel Tanks
    Material Options:
    Stainless Steel
    Style Options:
    Cummins
    Make:
    Universal Items
    $89.99
    Qty in Cart: 0
    Price:
    $89.99
    Subtotal:
  • BESTfit Doser Injector Gasket For Cummins Engine Replaces 4354280, 2885890, A029Y977

    BESTfit Doser Injector Gasket For Cummins Engine Replaces 4354280, 2885890, A029Y977

    BESTFIT TRUCK PARTS

    $50.99
    Doser Injector Gasket Gasket By BESTfit Replaces 4354280, 2885890, A029Y977 Fits Cummins EngineMaintain proper injector sealing with the BESTfit Doser Injector Gaske for Cummins engines. Constructed...
    29-06070023
    SKU:
    29-06070023
    Product Type:
    Fuel Tanks
    Material Options:
    Stainless Steel
    Style Options:
    Cummins
    Make:
    Universal Items
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • BESTfit DEF Sensor Head Assembly Replaces 2515991C2, 4378048, 5510447

    BESTfit DEF Sensor Head Assembly Replaces 2515991C2, 4378048, 5510447

    BESTFIT TRUCK PARTS

    $1,160.99
    Diesel Exhaust Fluid Sensor Head Assembly By BESTfitKeep your emissions system running efficiently with the BESTfit DEF Sensor Head Assembly, a direct replacement for part numbers 2515991C2, 4378048,...
    29-06070026
    SKU:
    29-06070026
    Height Options:
    17 1/2 Inch
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $1,160.99
    Qty in Cart: 0
    Price:
    $1,160.99
    Subtotal:
  • BESTfit DEF Doser Injector Kit For Cummins Engine Replaces 2121301002

    BESTfit DEF Doser Injector Kit For Cummins Engine Replaces 2121301002

    BESTFIT TRUCK PARTS

    $131.99
    Diesel Exhuast Fluid Injector Kit By BESTfit Replaces 2121301002 Fits Cummins EngineKeep your DEF system performing reliably with the BESTfit DEF Doser Injector Kit a replacement for Cummins engines...
    29-06070022
    SKU:
    29-06070022
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $131.99
    Qty in Cart: 0
    Price:
    $131.99
    Subtotal:
  • BESTfit DEF Fluid Level & Temperature Sensor Replaces 30B1514, 46850454, 621246

    BESTfit DEF Fluid Level & Temperature Sensor Replaces 30B1514, 46850454, 621246

    BESTFIT TRUCK PARTS

    $1,263.99
    Diesel Exhaust Fluid Fluid Level & Temperature Sensor By BESTfitKeep your DEF system functioning properly with the BESTfit DEF Fluid Level & Temperature Sensor, replacing 30B1514, 46850454, and...
    29-06070019
    SKU:
    29-06070019
    Product Type:
    Fuel Tanks
    Height Options:
    18 Inch
    Make:
    Universal Items
    $1,263.99
    Qty in Cart: 0
    Price:
    $1,263.99
    Subtotal:
  • BESTfit DEF Sensor Head Assembly Replaces 077905V01501, 21640012, 46699859

    BESTfit DEF Sensor Head Assembly Replaces 077905V01501, 21640012, 46699859

    BESTFIT TRUCK PARTS

    $887.99
    Diesel Exhaust Fluid Sensor Head Assembly By BESTfitDepend on the BESTfit DEF Sensor Head Assembly for reliable DEF system performance. Designed for CAT C3.6 and C4.4 engines, it monitors diesel...
    29-06070018
    SKU:
    29-06070018
    Product Type:
    Fuel Tanks
    Height Options:
    11 Inch
    Make:
    Universal Items
    $887.99
    Qty in Cart: 0
    Price:
    $887.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Jump Starter 12 Volt 4000A

    Jump Starter 12 Volt 4000A

    AUTOMANN USA

    $157.99
    12 V. 4000A Portable Jump StarterStay ready for unexpected breakdowns with the Jump Starter 12 Volt 4000A, built for heavy-duty truck starting power. This high-performance portable unit is designed...
    09-21010001
    SKU:
    09-21010001
    Product Type:
    Tools
    Make:
    Universal Items
    $157.99
    Qty in Cart: 0
    Price:
    $157.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Jump Starter 12 Volt 3000A

    Jump Starter 12 Volt 3000A

    AUTOMANN USA

    $116.99
    12 V 3000A Portable Jump StarterStay prepared for unexpected breakdowns with the Jump Starter 12 Volt 3000A, built for medium-duty truck use. This portable jump starter delivers reliable 12-volt...
    09-21010002
    SKU:
    09-21010002
    Product Type:
    Tools
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • FREE SHIPPING
    Lithium-Ion Jump Starter 12/24 Volts

    Lithium-Ion Jump Starter 12/24 Volts

    AUTOMANN USA

    $632.99
    12/24 V. Portable Jump StarterGet back on the road faster with the Lithium-Ion Jump Starter, engineered for heavy-duty commercial and fleet truck use. This high-quality portable jump starter delivers...
    09-21010000
    SKU:
    09-21010000
    Product Type:
    Tools
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $632.99
    Qty in Cart: 0
    Price:
    $632.99
    Subtotal:
  • BESTfit DEF Doser Injector Kit Replaces 043028, 2121300002 For Cummins

    BESTfit DEF Doser Injector Kit Replaces 043028, 2121300002 For Cummins

    BESTFIT TRUCK PARTS

    $131.99
    Diesel Exhaust Fluid Doser Injector Kit By BESTfit Replaces 043028, 2121300002 Fits CumminsKeep emissions systems performing efficiently with the BESTfit DEF Doser Injector Kit, a direct replacement...
    09-06070004
    SKU:
    09-06070004
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $131.99
    Qty in Cart: 0
    Price:
    $131.99
    Subtotal:
  • BESTfit DEF Filter Replaces 37332, 5002862, AP65142

    BESTfit DEF Filter Replaces 37332, 5002862, AP65142

    BESTFIT TRUCK PARTS

    $144.99
    Diesel Exhaust Fluid Filter By BESTfitKeep your DEF system operating cleanly and efficiently with the BESTfit DEF Filter, designed as a replacement for 37332, 5002862, and AP65142 in heavy-duty...
    09-06070001
    SKU:
    09-06070001
    Product Type:
    Fuel Tanks
    Make:
    Universal Items
    $144.99
    Qty in Cart: 0
    Price:
    $144.99
    Subtotal:
  • Total: items /

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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!