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Freightliner FLC112 Parts

Find the best Freightliner parts for your FLC 112 semi truck in the business here at 4 State Trucks. The FLC 112 is a reliable and durable semi truck, offering a smooth ride and advanced features. With help from 4 State Trucks, you can install custom, chrome, and aftermarket parts to personalize the aesthetic of your truck and improve performance. Shop for bumpers, exhaust kits, fuel tanks, seating, and so much more. We have everything you need to have the Freightliner of your dreams.
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  • Quantity
  • Price
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  • FREE SHIPPING OVER $249
    E3 Type Single Circuit Foot Valve W/ 4 - 1/2 Inch NPT Delivery Ports

    E3 Type Single Circuit Foot Valve W/ 4 - 1/2 Inch NPT Delivery Ports

    AFTERMARKET

    $56.99
    E3 Type Single Circuit Foot Valve W/ 1/2 Inch NPT Supply Port & 1/4 Inch NPT Auxiliary Supply Port* High Quality Foot Valve* E3 Type Single Circuit Foot Valve* Ports:  - (4) 1/2 Inch NPT Delivery...
    09-05170503
    SKU:
    09-05170503
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • FREE SHIPPING OVER $249
    RT4 Type Multifunction Relay Valve W/ 4 PSI Crack Pressure Replaces 170.KN26000

    RT4 Type Multifunction Relay Valve W/ 4 PSI Crack Pressure Replaces 170.KN26000

    AFTERMARKET

    $76.99
    RT4 Type Multifunction Relay Valve W/ Service Tank, Control, Supply, Reservoir & Deliver Ports* High Quality Relay Valve* RT4 Type Multifunction Valve* 55 PSI PPV Closing Pressure* 4 PSI Crack...
    09-05170492
    SKU:
    09-05170492
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Type Dash Valve Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.800840WF, 2506-188-C

    MV3 Type Dash Valve Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.800840WF, 2506-188-C

    AFTERMARKET

    $190.99
    MV3 Type Dash Valve 4.225 X 3 Inch C To C W/ 4 M6 X 1 - 6H Mounting Holes* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings* Operating Temp From -40 To...
    09-05170493
    SKU:
    09-05170493
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $190.99
    Qty in Cart: 0
    Price:
    $190.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Type Dash Valve Control Module W/ Knobs, 2 Spool Manifold & 6 - 1/4 Inch NPT Ports Replaces 101890, 14539

    MV3 Type Dash Valve Control Module W/ Knobs, 2 Spool Manifold & 6 - 1/4 Inch NPT Ports Replaces 101890, 14539

    AFTERMARKET

    $125.99
    MV3 Type Dash Valve 4.187 X 3.031 Inch C To C W/ 4 - 1/4 Inch 20 Threaded Mounting Holes* High Quality Dash Valve* MV3 Type Dash Control Module With Knobs* Manifold 2 Spool* (6) 1/4 Inch NPT Ports*...
    09-05170494
    SKU:
    09-05170494
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $125.99
    Qty in Cart: 0
    Price:
    $125.99
    Subtotal:
  • FREE SHIPPING OVER $249
    QR1C Type Quick Release Valve W/ 5-8 PSI Crack Pressure Replaces 170800348, 800348

    QR1C Type Quick Release Valve W/ 5-8 PSI Crack Pressure Replaces 170800348, 800348

    AFTERMARKET

    $17.99
    QR1C Type Quick Release Valve W/ NPT Supply, Delivery & Balance Ports* High Quality Quick Release Valve* QR1C Type Quick Release Valve* Integral Double Check Valve* 5 - 8 PSI Crack Pressure* Ports: ...
    09-05170488
    SKU:
    09-05170488
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $17.99
    Qty in Cart: 0
    Price:
    $17.99
    Subtotal:
  • FREE SHIPPING OVER $249
    PPDC Type Dash Valve W/ Integral Push-Lock-Connect Fittings Replaces 065661, 065661BXW

    PPDC Type Dash Valve W/ Integral Push-Lock-Connect Fittings Replaces 065661, 065661BXW

    AFTERMARKET

    $132.99
    PPDC Type Dash Valve 3 -1/4 Inch 20 Threaded Mounting Holes, 3 X 2.54 Inch C To C* High Quality Dash Valve* PPDC Type Dash Valve With Integral Push-Lock-Connect Fittings* Ports:  - (2) 3/8 Inch PLC...
    09-05170489
    SKU:
    09-05170489
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $132.99
    Qty in Cart: 0
    Price:
    $132.99
    Subtotal:
  • FREE SHIPPING OVER $249
    SR7 Type Spring Brake Valve Replaces 170.K021557

    SR7 Type Spring Brake Valve Replaces 170.K021557

    AFTERMARKET

    $155.99
    SR7 Type Spring Brake Valve W/ Control, Balance, Supply & Delivery Ports* High Quality Spring Brake Valve* SR7 Type Spring Brake Modulating Valve* Ports:  - (2) 1/4 Inch NPT Control Ports  - (1) 1/4...
    09-05170499
    SKU:
    09-05170499
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $155.99
    Qty in Cart: 0
    Price:
    $155.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Spring Brake Control Valve W/ 3/8 Inch NPT Control Support & 3/8 Inch NPT Supply Port Replaces 170.110170

    Spring Brake Control Valve W/ 3/8 Inch NPT Control Support & 3/8 Inch NPT Supply Port Replaces 170.110170

    AFTERMARKET

    $86.99
    Spring Brake Control Valve W/ 2 - 1/2 Inch NPT Reservoir Ports & 4 3/8 Inch NPT Delivery Ports* High Quality Spring Brake Valve* Protected Reservoir Spring Brake Control Valve* Control And Supply...
    09-05170490
    SKU:
    09-05170490
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $86.99
    Qty in Cart: 0
    Price:
    $86.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TP3 Type Tractor Protection Valve Rear Mounted Replaces 170.279000

    TP3 Type Tractor Protection Valve Rear Mounted Replaces 170.279000

    AFTERMARKET

    $26.99
    TP3 Type Tractor Protection Valve W/ .35 Inch Mounting Hole* High Quality Tractor Protection Valve* TP3 Type Tractor Protection Valve* Trailer Ports Are Both 1/2 in. NPT* Protects Tractor Air Supply...
    09-05170484
    SKU:
    09-05170484
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $26.99
    Qty in Cart: 0
    Price:
    $26.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Dash Valve MV3 Type Dash Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.800260, 170.800260WF

    Dash Valve MV3 Type Dash Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.800260, 170.800260WF

    AFTERMARKET

    $133.99
    Dash Valve 4.22 X 3 Inch C To C W/ 4 M5 X .8 - 6H Mounting Holes* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings* Operating Temp From -40 To 200...
    09-05170485
    SKU:
    09-05170485
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $133.99
    Qty in Cart: 0
    Price:
    $133.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BPR1 Type Brake Proportioning Relay Valve W/ 4 PSI Crack Pressure Replaces 170.065145

    BPR1 Type Brake Proportioning Relay Valve W/ 4 PSI Crack Pressure Replaces 170.065145

    AFTERMARKET

    $63.99
    BPR1 Type Brake Proportioning Relay Valve W/ Control, Service, Supply & Delivery Ports* High Quality Relay Valve* BPR1 Type Brake Proportioning Relay Valve* 4 PSI Crack Pressure* Mounting Bracket...
    09-05170495
    SKU:
    09-05170495
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $63.99
    Qty in Cart: 0
    Price:
    $63.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TP3DC Type Tractor Protection Valve W/ Double Check Valve Replaces 170.065706

    TP3DC Type Tractor Protection Valve W/ Double Check Valve Replaces 170.065706

    AFTERMARKET

    $80.99
    TP3DC Type Tractor Protection Valve W/ Primary, Secondary, Switch & Supply Ports* High Quality Tractor Protection Valve* TP3DC Type Tractor Protection Valve* Contains Double Check Valve* Ports:  -...
    09-05170486
    SKU:
    09-05170486
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • FREE SHIPPING OVER $249
    D2 Type Governor W/ Gasket, 3 Plugs & ADIS Type Check Valve Kit Replaces 170.5004049

    D2 Type Governor W/ Gasket, 3 Plugs & ADIS Type Check Valve Kit Replaces 170.5004049

    AFTERMARKET

    $42.99
    D2 Type Governor W/ 105 PSI Cut-In & 125 PSI Cut-Out* High Quality Governor* D2 Type* Operating Temps From -40 To 200 Degrees Farenheit* 105 PSI Cut-In* 125 PSI Cut-Out* Non-Adjustable* Used In ADIS...
    09-05170480
    SKU:
    09-05170480
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $42.99
    Qty in Cart: 0
    Price:
    $42.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Brass Manual Air Tank Drain Valve W/ 5 Foot Steel Cable & Nitrile Seal Replaces 032082, 032160

    Brass Manual Air Tank Drain Valve W/ 5 Foot Steel Cable & Nitrile Seal Replaces 032082, 032160

    AFTERMARKET

    $7.99
    Brass Manual Air Tank Drain Valve W/ 1/4 Inch NPT Male Thread & 200 PSI Max Working Pressure* High Quality Drain Valve* Manual Air Tank Drain Valve* Pull Cable-Controlled* 1/4 Inch NPT Male Thread*...
    09-05170481
    SKU:
    09-05170481
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $7.99
    Qty in Cart: 0
    Price:
    $7.99
    Subtotal:
  • FREE SHIPPING OVER $249
    MV3 Type Dash Valve Control Module W/ 5 - 3/8 Inch PLC Ports Replaces 21315044, 21750583

    MV3 Type Dash Valve Control Module W/ 5 - 3/8 Inch PLC Ports Replaces 21315044, 21750583

    AFTERMARKET

    $209.99
    MV3 Type Dash Valve Control Module W/ 3.5 X 4.2 Inch C To C* High Quality Dash Valve* MV3 Type Dash Control Module* (5) 3/8 Inch PLC Ports* Dimensions:  - 3.5 Inch Center To Center Width  - 4.2 Inch...
    09-05170491
    SKU:
    09-05170491
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $209.99
    Qty in Cart: 0
    Price:
    $209.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Dash Valve MV3 Type Dash Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.802122, 170.802122WF

    Dash Valve MV3 Type Dash Control Module W/ Integral Push-Lock-Connect Fittings Replaces 170.802122, 170.802122WF

    AFTERMARKET

    $123.99
    Dash Valve W/ 4 - 3/8 Inch PLC Ports & 1/2 Inch PLC Exhaust Port* High Quality Dash Valve* MV3 Type Dash Control Module With Integral Push-Lock-Connect Fittings* Auxiliary Port Not Existent* Trailer...
    09-05170482
    SKU:
    09-05170482
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $123.99
    Qty in Cart: 0
    Price:
    $123.99
    Subtotal:
  • 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:
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Adding your products to cart

The Freightliner FLC112 Parts product lineup offers a wide range of high-quality components and accessories for this versatile Freightliner truck model. Whether you're looking to upgrade your FLC112's performance, appearance, or functionality, you'll find an extensive selection of parts and upgrades to choose from. From essential engine and drivetrain components to exterior styling elements and interior accessories, this product lineup has you covered. Highlight features include rugged bumpers, sleek grilles, durable fuel tanks, powerful lighting systems, and comfortable climate control parts. Freightliner is known for building tough, reliable trucks, and the FLC112 is no exception. With the parts available in this product lineup, you can keep your FLC112 running at its best and customize it to your exact specifications. Whether you're a fleet manager, owner-operator, or do-it-yourself enthusiast, the Freightliner FLC112 Parts selection has everything you need to maintain, repair, and enhance this workhorse truck.

Frequently Asked Questions About Freightliner FLC112 Parts

What years and models are compatible with FLC112 parts?

Freightliner FLC112 parts are typically compatible with models manufactured from 1985 through 2003. However, there were several sub-models including the FLC112 conventional and various sleeper configurations. Always verify compatibility by checking your OEM number or contacting us with your specific year and configuration. Some parts, particularly bumpers and hoods, may have variations between pre-1995 and post-1995 models due to design updates.

Are aftermarket bumpers as durable as OEM parts?

Quality aftermarket bumpers for the FLC112 are often made from the same 16-gauge steel as OEM parts and meet or exceed original specifications. Look for bumpers with proper reinforcement brackets and mounting points that match factory specifications. Chrome-plated bumpers should have triple-plating (copper, nickel, chrome) for maximum durability. Many drivers report aftermarket options lasting 10-15 years with proper maintenance, comparable to OEM longevity.

What tools and hardware are needed for bumper installation?

Installing an FLC112 bumper typically requires a socket set (including 3/4" and 7/8" sockets), torque wrench, and potentially a helper due to weight (bumpers can weigh 80-120 pounds). Most replacement bumpers use existing mounting brackets, but you may need new Grade 8 bolts if yours are corroded. Installation usually takes 2-3 hours. Some bumpers require minor drilling for accessories like fog lights or air horn brackets.

What finish options are available and which holds up best?

FLC112 bumpers come in three main finishes: chrome, powder-coated, and polished stainless steel. Chrome offers the classic look but requires regular polishing to prevent pitting. Powder-coated bumpers (typically black) are most resistant to corrosion and road chemicals, making them ideal for harsh climates. Stainless steel costs more initially but requires minimal maintenance and won't rust, making it cost-effective long-term for drivers logging high miles.

Will aftermarket hoods and fenders affect my truck's aerodynamics?

Properly manufactured aftermarket hoods and fenders for the FLC112 maintain factory aerodynamic specifications when correctly installed. Ensure all gaps and alignments match OEM standards - typically 3/8" to 1/2" panel gaps. Misaligned body parts can increase wind resistance and fuel consumption by 2-3%. Quality replacements include the same air management features as original parts, including proper venting and deflector mounting points.


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