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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
  • Product
  • Qty in Cart
  • Quantity
  • Price
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  • FREE SHIPPING OVER $249
    Air Dryer Cartridge W/ New Style End Cover 7 Exterior Purge Valve Housing Replaces 170.800202, 5002063

    Air Dryer Cartridge W/ New Style End Cover 7 Exterior Purge Valve Housing Replaces 170.800202, 5002063

    AFTERMARKET

    $219.99
    Air Dryer Cartridge W/ 1/2 Inch NPT Delivery/Supply Ports & 1/4 Inch NPT Control Port* High Quality Air Dryer Cartridge* Complete AD9 Type Air Dryer Assembly* New Style End Cover With Additional Port...
    09-05170476
    SKU:
    09-05170476
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $219.99
    Qty in Cart: 0
    Price:
    $219.99
    Subtotal:
  • FREE SHIPPING OVER $249
    RG2 Type Relay Valve W/ .35 Inch Diameter Mounting Bracket Holes 1.5 Inch C To C Replaces 170.KN28500

    RG2 Type Relay Valve W/ .35 Inch Diameter Mounting Bracket Holes 1.5 Inch C To C Replaces 170.KN28500

    AFTERMARKET

    $38.99
    RG2 Type Relay Valve 5.6 PSI Crack Pressure W/ Control, Reservoir & Deliver NPT Ports* High Quality Relay Valve* RG2 Type Relay Valve* 5.6 PSI Crack Pressure* (2) 0.35 Inch Diameter Mounting Bracket...
    09-05170487
    SKU:
    09-05170487
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $38.99
    Qty in Cart: 0
    Price:
    $38.99
    Subtotal:
  • FREE SHIPPING OVER $249
    D2 Type Governor W/ 105 PSI Cut-In & 125 PSI Cut-Out Replaces 170.284358

    D2 Type Governor W/ 105 PSI Cut-In & 125 PSI Cut-Out Replaces 170.284358

    AFTERMARKET

    $19.99
    D2 Type Governor W/ Gasket, 4 Plugs & High Temp O-Rings* High Quality Governor* D2 Type* 105 PSI Cut-In* 125 PSI Cut-Out* Adjustable* Includes:  - (1) Governor  - (1) Gasket  - (4) Plugs  - High Temp...
    09-05170478
    SKU:
    09-05170478
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $19.99
    Qty in Cart: 0
    Price:
    $19.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Purge Valve Kit W/ Soft Seat Replaces 170.K031560, BER-K031560 For ADIS EverFlow Type And ADIP Drop-In Type Air Dryers

    Purge Valve Kit W/ Soft Seat Replaces 170.K031560, BER-K031560 For ADIS EverFlow Type And ADIP Drop-In Type Air Dryers

    AFTERMARKET

    $79.99
    Purge Valve Kit W/ Soft Seat Fits ADIS EverFlow Type And ADIP Drop-In Type Air Dryers Replaces 170.K031560, BER-K031560* High Quality Purge Valve Kit* Replacement Purge Valve For ADIP And ADIS...
    09-05170477
    SKU:
    09-05170477
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $79.99
    Qty in Cart: 0
    Price:
    $79.99
    Subtotal:
  • FREE SHIPPING
    Air Dryer Cartridge Coalescing ADIS Type W/ 1/2 Inch 14 NPT Supply/Inlet Port Replaces 170.5010134PG

    Air Dryer Cartridge Coalescing ADIS Type W/ 1/2 Inch 14 NPT Supply/Inlet Port Replaces 170.5010134PG

    AFTERMARKET

    $339.99
    Air Dryer Cartridge W/ Opening Pressure 106 PSI* High Quality Air Dryer Cartridge* Complete Coalescing ADIS Type Air Dryer Assembly* Cartridge Type* 12V-90W* Primary Port 1/4 Inch NPT Opening...
    09-05170472
    SKU:
    09-05170472
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $339.99
    Qty in Cart: 0
    Price:
    $339.99
    Subtotal:
  • FREE SHIPPING OVER $249
    R12 Type Pilot Relay Valve Replaces 170.065476

    R12 Type Pilot Relay Valve Replaces 170.065476

    AFTERMARKET

    $67.99
    R12 Type Pilot Relay Valve W/ 1 - 1/4 NPT Control Port, 2 - 1/2 Inch NPT Supply Ports & 4 - 3/8 Inch NPT Delivery Ports* High Quality Relay Valve* R12 Type Pilot Relay Valve* Ports:  - (1) 1/4 Inch...
    09-05170483
    SKU:
    09-05170483
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $67.99
    Qty in Cart: 0
    Price:
    $67.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Dryer Cartridge 5.35 X 9.68 Inch W/ Cartridge & O-Ring Replaces 170.950069, 432421922 For Wabco SS1800 Type Air Dryers

    Air Dryer Cartridge 5.35 X 9.68 Inch W/ Cartridge & O-Ring Replaces 170.950069, 432421922 For Wabco SS1800 Type Air Dryers

    AFTERMARKET

    $104.99
    Air Dryer Cartridge M39 1.5 Thread Fits Wabco SS1800 Type Air Dryers Replaces 170.950069, 432421922* High Quality Air Dryer Cartridge* Replacement Coalescing Cartridge For Wabco SS1800 Type Air...
    09-05170474
    SKU:
    09-05170474
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Dryer Cartridge 10.5 X 6.5 Inch W/ Cartridge & O-Ring Replaces 170.T224, R955T224N For Turbo 2000 Type Air Dryers

    Air Dryer Cartridge 10.5 X 6.5 Inch W/ Cartridge & O-Ring Replaces 170.T224, R955T224N For Turbo 2000 Type Air Dryers

    AFTERMARKET

    $57.99
    Air Dryer Cartridge 1.5 Inch 16 Thread Fits Turbo 2000 Type Air Dryers Replaces 170.T224, R955T224N* High Quality Air Dryer Cartridge* Replacement Desiccant Cartridge For Turbo 2000 Type Air Dryers*...
    09-05170473
    SKU:
    09-05170473
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • FREE SHIPPING
    Air Dryer Cartridge W/ 1/4 Inch NPT Control Port & 1/2 Inch NPT Inlet & Delivery Ports

    Air Dryer Cartridge W/ 1/4 Inch NPT Control Port & 1/2 Inch NPT Inlet & Delivery Ports

    AFTERMARKET

    $256.99
    Air Dryer Cartridge W/ Heater Repair Kit & Purge Valve Replaces 170.955300, R955300* High Quality Air Dryer Cartridge* Wabco SS1200P Type Compatibility* Complete SS1200P Non-Regeneration Type Air...
    09-05170468
    SKU:
    09-05170468
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $256.99
    Qty in Cart: 0
    Price:
    $256.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Governor W/ Tire Inflator Valve Replaces 002-431-00-06, 002-431-49-06

    Governor W/ Tire Inflator Valve Replaces 002-431-00-06, 002-431-49-06

    AFTERMARKET

    $68.99
    Governor W/ Operating Temps -40 To 185 Degree Fahrenheit* High Quality Governor* Operating Temps From -40 To 185 Degrees Farenheit* Tire Inflator Valve* Sold Individually* Warranty On Governors...
    09-05170479
    SKU:
    09-05170479
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $68.99
    Qty in Cart: 0
    Price:
    $68.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Dryer Cartridge PG AD-9 Cartridge W/ Cartridge & O-Ring

    Air Dryer Cartridge PG AD-9 Cartridge W/ Cartridge & O-Ring

    AFTERMARKET

    $61.99
    Air Dryer Cartridge W/ 150 Lb Per Square Inch Max Operation Pressure* High Quality Air Dryer Cartridge* PG AD-9 Cartridge Type* Replacement For Bendix AD-8* Desiccant-Coalescing* 150 Lb Per Square...
    09-05170470
    SKU:
    09-05170470
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Purge Valve Kit W/ Soft Seat Piston Assembly Replaces 034087, 107798 For AD9 Type Air Dryer

    Purge Valve Kit W/ Soft Seat Piston Assembly Replaces 034087, 107798 For AD9 Type Air Dryer

    AFTERMARKET

    $19.99
    Purge Valve Kit 1/8 Inch NPT Thread Replaces 034087, 107798* High Quality Purge Valve Kit* Maintenance Kit for Purge Valve Assembly For AD9 Type Air Dryer (Not Included)* Hard Seat* 1/8 Inch NPT...
    09-05170469
    SKU:
    09-05170469
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $19.99
    Qty in Cart: 0
    Price:
    $19.99
    Subtotal:
  • FREE SHIPPING
    Air Dryer Cartridge Primary/Secondary Port 1/4 Inch NPT Replaces BWK049086, BXK049086

    Air Dryer Cartridge Primary/Secondary Port 1/4 Inch NPT Replaces BWK049086, BXK049086

    AFTERMARKET

    $692.99
    Air Dryer Cartridge W/ Opening Pressures 103 - 112 PSI* High Quality Air Dryer Cartridge* Complete ADIS Type Air Dryer Assembly 12V-90W* Primary Port 1/4in NPT, Opening Pressure 103PSI* Secondary...
    09-05170464
    SKU:
    09-05170464
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $692.99
    Qty in Cart: 0
    Price:
    $692.99
    Subtotal:
  • FREE SHIPPING
    Air Dryer Cartridge W/ 130 Lb Per Square Inch Max Operating Pressure Replaces 432421039R, 4324210540 For Wabco SS1800P Type Air Dryers

    Air Dryer Cartridge W/ 130 Lb Per Square Inch Max Operating Pressure Replaces 432421039R, 4324210540 For Wabco SS1800P Type Air Dryers

    AFTERMARKET

    $347.99
    Air Dryer Cartridge M39 1.5 Thread W/ Control Port 1/4 Inch - 18 NPTF & Delivery Port 1/2 Inch 14 NPTF Fits Wabco SS1800P Type Air Dryers* High Quality Air Dryer Cartridge* Replacement Coalescing...
    09-05170475
    SKU:
    09-05170475
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $347.99
    Qty in Cart: 0
    Price:
    $347.99
    Subtotal:
  • FREE SHIPPING
    Air Dryer Cartridge World American AD-IS Standard Design Replaces 170.800383, 3625-823-C

    Air Dryer Cartridge World American AD-IS Standard Design Replaces 170.800383, 3625-823-C

    AFTERMARKET

    $430.99
    Air Dryer Cartridge 1/4 Inch Accessory & Suspension Ports W/O Service Port* High Quality Air Dryer Cartridge* World American AD-IS Standard Cartridge Design* 12V DC, 90 W* 1/4 Inch Accessory And...
    09-05170466
    SKU:
    09-05170466
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $430.99
    Qty in Cart: 0
    Price:
    $430.99
    Subtotal:
  • FREE SHIPPING
    Air Dryer Cartridge Complete SS1200UP Type Coalescing Replaces 20935355, 20991972

    Air Dryer Cartridge Complete SS1200UP Type Coalescing Replaces 20935355, 20991972

    AFTERMARKET

    $312.99
    Air Dryer Cartridge 12V DC & 100W* High Quality Air Dryer Cartridge* Complete SS1200UP Type Coalescing Air Dryer Assembly* 12V DC, 100W* Uses External Purge Tank, And Uses The Discharge Line For...
    09-05170465
    SKU:
    09-05170465
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $312.99
    Qty in Cart: 0
    Price:
    $312.99
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  • Stainless Steel Angled Bottom Mud Flap Weight 24 Inch Bolted

    Stainless Steel Angled Bottom Mud Flap Weight 24 Inch Bolted

    TRUX ACCESSORIES

    $52.99
    Bolted Angled Bottom Mud Flap Weight 24 Inch Stainless SteelAdd a polished, custom look to your truck with theStainless Steel Angled Bottom Mud Flap Weight 24 Inch Bolted. Crafted from durable...
    09-0507384
    SKU:
    09-0507384
    Product Type:
    Mud Flaps
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $52.99
    Qty in Cart: 0
    Price:
    $52.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Dryer Cartridge 7.388 X 7.28 Inch Replaces 170.65624K, 065624 For ADIP Type Air Dryer

    Air Dryer Cartridge 7.388 X 7.28 Inch Replaces 170.65624K, 065624 For ADIP Type Air Dryer

    AFTERMARKET

    $160.99
    Air Dryer Cartridge W/ O-Ring & Grease* High Quality Air Dryer Cartridge* Replacement Desiccant Cartridge For ADIP Type Air Dryer* 150 Lb Per Square Inch Max Operation Pressure* Includes:  -...
    09-05170471
    SKU:
    09-05170471
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $160.99
    Qty in Cart: 0
    Price:
    $160.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Air Dryer Cartridge 6.45 X 5.35 Inch W/ Cartridge & O-Ring

    Air Dryer Cartridge 6.45 X 5.35 Inch W/ Cartridge & O-Ring

    AFTERMARKET

    $41.99
    6.45 X 5.35 Inch Air Dryer Cartridge W/ Cartridge & O-Ring* High Quality Air Dryer Cartridge* SG39 - 1.5 Threads* Desiccant Coalescing* 145 Lbs Max Operating Pressure Per Square Inch* Includes:  -...
    09-05170462
    SKU:
    09-05170462
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $41.99
    Qty in Cart: 0
    Price:
    $41.99
    Subtotal:
  • Stainless Steel Angled Welded 24 Inch Bottom Mud Flap Weight

    Stainless Steel Angled Welded 24 Inch Bottom Mud Flap Weight

    TRUX ACCESSORIES

    $103.99
    24 Inch Angled Stainless Steel Welded Bottom Mud Flap WeightGive your truck's mud flaps a custom, polished appearance with theStainless Steel Angled Welded 24 Inch Bottom Mud Flap Weights. Designed...
    09-05070189
    SKU:
    09-05070189
    Product Type:
    Mud Flaps
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    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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