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Freightliner SD 108-122 Parts

Looking for top-quality parts for your Freightliner SD 108-122? 4 State Trucks is your ultimate destination. Explore our vast inventory of genuine Freightliner parts designed to keep your truck in optimal condition. From engine components to electrical parts and accessories, we have everything you need. As a trusted dealer, we offer reliable shipping and expert customer support to ensure a seamless experience. Find Freightliner SD 108-122 parts at 4 State Trucks - your one-stop shop for all your truck part needs, both online and in-store. Upgrade your Freightliner SD 108-122 with our premium accessories today!
  • 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

Freightliner SD 108-122 Parts: The Freightliner SD 108-122 line of semi-trucks is known for its durability, power, and reliability. Designed for heavy-duty hauling and off-road applications, this model offers a variety of customizable parts and accessories to meet the diverse needs of today's truckers. From bumpers and grilles to exhaust systems and interior accessories, the SD 108-122 can be outfitted with the latest high-performance parts to optimize performance, comfort, and style. Whether you're looking to upgrade your existing rig or build a custom Freightliner from the ground up, the SD 108-122 provides a flexible platform that can be tailored to your specific requirements. With a wide range of compatible models and a vast selection of aftermarket components, the Freightliner SD 108-122 empowers you to create a one-of-a-kind truck that stands out on the road.

Frequently Asked Questions About Freightliner SD 108-122 Parts

Will these bumpers fit my specific Freightliner model year?

Our Freightliner SD 108-122 bumpers are designed to fit models from 2002 to present, including the SD, 108SD, 114SD, and 122SD series. However, there are slight mounting variations between pre-2007 and post-2007 models. Pre-2007 models may require additional mounting brackets (sold separately). Always verify your truck's OEM and model year before ordering, or contact our support team with your specific truck details for confirmation.

What's the difference between chrome, stainless steel, and painted bumper options?

Chrome bumpers offer a mirror-like finish but require regular polishing to prevent pitting and rust, especially in harsh weather conditions. Stainless steel bumpers provide excellent corrosion resistance with less maintenance but cost approximately 30-40% more. Painted bumpers are the most economical option and can be color-matched to your truck, but may chip over time and require touch-ups. For trucks operating in salt-heavy regions, we typically recommend stainless steel for longevity.

Can I install these bumpers myself, or do I need professional installation?

Installation typically takes 2-4 hours for experienced DIY mechanics with proper tools. You'll need a socket set (including 18mm and 21mm), torque wrench, and ideally a helper for alignment. The bumper weighs between 85-120 pounds depending on the model. Common challenges include aligning mounting holes on older trucks with frame wear and ensuring proper fog light wiring connections. Professional installation usually costs $200-400 but guarantees proper fitment and alignment.

Are these aftermarket bumpers as durable as OEM parts?

Our aftermarket bumpers meet or exceed OEM specifications, using 14-gauge steel (same as factory) with reinforced mounting points. They're tested for impact resistance and salt spray corrosion. The main differences are price (aftermarket saves 40-60%) and minor cosmetic variations like badge placement. Many aftermarket options actually offer thicker gauge steel than OEM. All bumpers carry a minimum 1-year warranty against defects and rust-through.

Do these bumpers come with fog lights and mounting hardware?

Bumpers are typically sold separately from fog lights unless specified as a complete assembly. Basic mounting bolts are not included and you may need additional hardware depending on your truck's configuration. Fog light cutouts are pre-made, but lights, wiring harnesses, and switches are sold separately. For 2007+ models with factory fog lights, existing lights usually transfer over. Budget an additional $150-300 for a complete fog light kit if your truck doesn't currently have them.


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