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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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  • BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R8031, 3583668, D2011SA

    BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R8031, 3583668, D2011SA

    BESTFIT TRUCK PARTS

    $6,141.99
    Diesel Particulate Filter By BESTfit Replaces 20R8031, 3583668, D2011SA Fits Caterpillar EngineEnsure optimal emissions performance with the BESTfit Caterpillar DPF for heavy-duty engines. Replacing...
    29-08090073
    SKU:
    29-08090073
    Style Options:
    Caterpillar
    Product Type:
    Exhaust
    Make:
    Universal Items
    $6,141.99
    Qty in Cart: 0
    Price:
    $6,141.99
    Subtotal:
  • BESTfit Diesel Oxidation Catalyst For Cummins ISB Engines Replaces 5287474NX, C0119ID, A035H173

    BESTfit Diesel Oxidation Catalyst For Cummins ISB Engines Replaces 5287474NX, C0119ID, A035H173

    BESTFIT TRUCK PARTS

    $2,323.99
    Diesel Oxidation Catalyst By BESTfit Replaces 5287474NX, C0119ID, A035H173 Fits Cummins ISB EnginesEnsure dependable emissions control with the BESTfit Cummins DOC for ISB engines. Replacing part...
    29-08090067
    SKU:
    29-08090067
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $2,323.99
    Qty in Cart: 0
    Price:
    $2,323.99
    Subtotal:
  • BESTfit Diesel Oxidation Catalyst For Paccar EPA10 Replaces 1837302, 1998412PE

    BESTfit Diesel Oxidation Catalyst For Paccar EPA10 Replaces 1837302, 1998412PE

    BESTFIT TRUCK PARTS

    $3,914.99
    Diesel Oxidation Catalyst By BESTfit Replaces 1837302, 1998412PE Fits Paccar EPA10Ensure dependable emissions control with the BESTfit PACCAR DOC for EPA10 engines. Replacing part numbers 1837302 and...
    29-08090070
    SKU:
    29-08090070
    Product Type:
    Exhaust
    Style Options:
    Paccar
    Make:
    Universal Items
    $3,914.99
    Qty in Cart: 0
    Price:
    $3,914.99
    Subtotal:
  • BESTfit Detroit Diesel 1-Box Assembly For Detroit DD13 & DD15 Engines Replaces 35030, 2140200007, C0313FL

    BESTfit Detroit Diesel 1-Box Assembly For Detroit DD13 & DD15 Engines Replaces 35030, 2140200007, C0313FL

    BESTFIT TRUCK PARTS

    $11,768.99
    Diesel 1-Box Assembly By BESTfit Replaces 35030, 2140200007, C0313FL Fits Detroit DD13 & DD15 EnginesEnsure maximum emissions efficiency with the BESTfit Detroit Diesel 1-Box Assembly for DD13 and...
    29-08090069
    SKU:
    29-08090069
    Product Type:
    Exhaust
    Style Options:
    Detroit
    Make:
    Universal Items
    $11,768.99
    Qty in Cart: 0
    Price:
    $11,768.99
    Subtotal:
  • BESTfit Diesel Particulate Filter For Cummins ISC Engine Replaces 3103617, 3978026, 52954

    BESTfit Diesel Particulate Filter For Cummins ISC Engine Replaces 3103617, 3978026, 52954

    BESTFIT TRUCK PARTS

    $1,952.99
    Diesel Particulate Filter By BESTfit Replaces 3103617, 3978026, 52954 Fits Cummins ISC EngineMaintain peak emissions performance with the BESTfit Volvo/Mack Diesel Particulate Filter (DPF), designed...
    29-08090056
    SKU:
    29-08090056
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $1,952.99
    Qty in Cart: 0
    Price:
    $1,952.99
    Subtotal:
  • BESTfit Diesel Particulate Filter Gasket For Cummins Replaces 2871566, G02008, KPI60004G

    BESTfit Diesel Particulate Filter Gasket For Cummins Replaces 2871566, G02008, KPI60004G

    BESTFIT TRUCK PARTS

    $33.99
    Diesel Particulate Filter Gasket By BESTfit Replaces 2871566, G02008, KPI60004G Fits CumminsMaintain peak emissions system performance with the BESTfit Cummins DPF Gasket, a direct replacement for...
    29-08090063
    SKU:
    29-08090063
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $33.99
    Qty in Cart: 0
    Price:
    $33.99
    Subtotal:
  • BESTfit Diesel Oxidation Catalyst For Cummins ISM Engines Replaces 4965054, 58039, C200017

    BESTfit Diesel Oxidation Catalyst For Cummins ISM Engines Replaces 4965054, 58039, C200017

    BESTFIT TRUCK PARTS

    $2,294.99
    Diesel Oxidation Catalyst By BESTfit Replaces 4965054, 58039, C200017 Fits Cummins ISM EnginesEnsure dependable emissions control with the BESTfit Cummins DOC for ISM engines. Replacing part numbers...
    29-08090066
    SKU:
    29-08090066
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $2,294.99
    Qty in Cart: 0
    Price:
    $2,294.99
    Subtotal:
  • BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R0697, 20R5621, 20R8028

    BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R0697, 20R5621, 20R8028

    BESTFIT TRUCK PARTS

    $4,831.99
    Diesel Particulate Filter By BESTfit Replaces 20R0697, 20R5621, 20R8028 Fits Caterpillar EngineUpgrade your Caterpillar engine's emissions system with the BESTfit CAT DPF, a premium replacement for...
    29-08090059
    SKU:
    29-08090059
    Product Type:
    Exhaust
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $4,831.99
    Qty in Cart: 0
    Price:
    $4,831.99
    Subtotal:
  • BESTfit Dieself Oxidation Catalyst For Cummins ISC/ISL Engines Replaces 2880588RX, 58221

    BESTfit Dieself Oxidation Catalyst For Cummins ISC/ISL Engines Replaces 2880588RX, 58221

    BESTFIT TRUCK PARTS

    $1,984.99
    Dieself Oxidation Catalyst By BESTfit Replaces 2880588RX, 58221 Fits Cummins ISC/ISL EnginesBuilt for durability and performance, the BESTfit Cummins ISC/ISL Diesel Oxidation Catalyst (DOC) replaces...
    29-08090052
    SKU:
    29-08090052
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $1,984.99
    Qty in Cart: 0
    Price:
    $1,984.99
    Subtotal:
  • BESTfit Detroit Diesel DPF Gasket For Detroit 60 Series DD13, DD15 & DD16 Engines Replaces 2060209005, 21424458, ENVGDD0510

    BESTfit Detroit Diesel DPF Gasket For Detroit 60 Series DD13, DD15 & DD16 Engines Replaces 2060209005, 21424458, ENVGDD0510

    BESTFIT TRUCK PARTS

    $30.99
    Diesel DPF Gasket By BESTfit Replaces 2060209005, 21424458, ENVGDD0510 Fits Detroit 60 Series DD13, DD15 & DD16 EnginesMaximize peak performance and prevent exhaust leaks with the BESTfit Detroit...
    29-08090061
    SKU:
    29-08090061
    Product Type:
    Exhaust
    Style Options:
    Detroit
    Make:
    Universal Items
    $30.99
    Qty in Cart: 0
    Price:
    $30.99
    Subtotal:
  • BESTfit Cummins DPF Gasket For Cummins Replaces 4966447, G02011

    BESTfit Cummins DPF Gasket For Cummins Replaces 4966447, G02011

    BESTFIT TRUCK PARTS

    $13.99
    Cummins Diesel Particulate Filter Gasket By BESTfit Replaces 4966447, G02011Built for durability and performance, the BESTfit Cummins DPF Gasket replaces OEM part numbers 4966447 and G02011 for...
    29-08090048
    SKU:
    29-08090048
    Style Options:
    Cummins
    Product Type:
    Exhaust
    Make:
    Universal Items
    $13.99
    Qty in Cart: 0
    Price:
    $13.99
    Subtotal:
  • BESTfit Diesel Oxidation Catalyst For Cummins ISX Engines Replaces 58096, A047V527, 4353323RX

    BESTfit Diesel Oxidation Catalyst For Cummins ISX Engines Replaces 58096, A047V527, 4353323RX

    BESTFIT TRUCK PARTS

    $2,528.99
    Diesel Oxidation Catalyst By BESTfit Replaces 58096, A047V527, 4353323RX Fits Cummins ISX EnginesMaintain the performance and efficiency of your emissions system with the BESTfit Cummins Diesel...
    29-08090058
    SKU:
    29-08090058
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $2,528.99
    Qty in Cart: 0
    Price:
    $2,528.99
    Subtotal:
  • BESTfit Diesel Oxidation Catalys For Cummins ISX Engines Replaces 58018, C0B4ID, 43006160

    BESTfit Diesel Oxidation Catalys For Cummins ISX Engines Replaces 58018, C0B4ID, 43006160

    BESTFIT TRUCK PARTS

    $2,705.99
    Diesel Oxidation Catalyst By BESTfit Replaces 58018, C0B4ID, 43006160 Fits Cummins ISX EnginesMaximize the performance of your Cummins ISX emissions system with the BESTfit Diesel Oxidation Catalyst...
    29-08090057
    SKU:
    29-08090057
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $2,705.99
    Qty in Cart: 0
    Price:
    $2,705.99
    Subtotal:
  • BESTfit DIesel Particulate Filter For Cummins Replaces 5283911, ENVG1064, G02012

    BESTfit DIesel Particulate Filter For Cummins Replaces 5283911, ENVG1064, G02012

    BESTFIT TRUCK PARTS

    $12.99
    DIesel Particulate Filter Gasket By BESTfit Replaces 5283911, ENVG1064, G02012 Fits CumminsBuilt for durability and performance, the BESTfit Cummins DPF Gasket replaces OEM part numbers 5283911,...
    29-08090051
    SKU:
    29-08090051
    Style Options:
    Cummins
    Product Type:
    Exhaust
    Make:
    Universal Items
    $12.99
    Qty in Cart: 0
    Price:
    $12.99
    Subtotal:
  • BESTfit DPF For Caterpillar Engine Replaces 3750945, 3900659, 5913039

    BESTfit DPF For Caterpillar Engine Replaces 3750945, 3900659, 5913039

    BESTFIT TRUCK PARTS

    $4,789.95
    Diesel Particulate Filter By BESTfit Replaces 3750945, 3900659, 5913039Built for strength and performance, the BESTfit Caterpillar Diesel Particulate Filter (DPF) replaces OEM part numbers 3750945,...
    29-08090044
    SKU:
    29-08090044
    Style Options:
    Caterpillar
    Product Type:
    Exhaust
    Make:
    Universal Items
    $4,789.95
    Qty in Cart: 0
    Price:
    $4,789.95
    Subtotal:
  • BESTfit CAT Diesel Particulate Filter For Caterpillar C13/C15 Engine Replaces 10R6089, 46003, CQ1704C

    BESTfit CAT Diesel Particulate Filter For Caterpillar C13/C15 Engine Replaces 10R6089, 46003, CQ1704C

    BESTFIT TRUCK PARTS

    $3,767.99
    CAT Diesel Particulate Filter By BESTfit Replaces 10R6089, 46003, CQ1704C Fits Caterpillar C13/C15 EngineMaintain peak performance and emissions compliance with the BESTfit CAT DPF for Caterpillar...
    29-08090054
    SKU:
    29-08090054
    Style Options:
    Caterpillar
    Product Type:
    Exhaust
    Make:
    Universal Items
    $3,767.99
    Qty in Cart: 0
    Price:
    $3,767.99
    Subtotal:
  • BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R3666, 5357858, 5462112

    BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R3666, 5357858, 5462112

    BESTFIT TRUCK PARTS

    $5,288.99
    Diesel Particulate Filter By BESTfit Replaces 20R3666, 5357858, 5462112 Fits Caterpillar EngineBuilt for strength and performance, the BESTfit Caterpillar Diesel Particulate Filter (DPF) replaces OEM...
    29-08090050
    SKU:
    29-08090050
    Product Type:
    Exhaust
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $5,288.99
    Qty in Cart: 0
    Price:
    $5,288.99
    Subtotal:
  • BESTfit DPF For Cummins ISL Engine Replaces 6392135, 7700658, C062SA

    BESTfit DPF For Cummins ISL Engine Replaces 6392135, 7700658, C062SA

    BESTFIT TRUCK PARTS

    $1,682.99
    Diesel Particulate Filter By BESTfit Replaces 6392135, 7700658, C062SA Fits Cummins ISL EngineBuilt for durability and performance, the BESTfit Cummins ISL Diesel Particulate Filter (DPF) replaces...
    29-08090043
    SKU:
    29-08090043
    Product Type:
    Exhaust
    Style Options:
    Cummins
    Make:
    Universal Items
    $1,682.99
    Qty in Cart: 0
    Price:
    $1,682.99
    Subtotal:
  • BESTfit Detroit Diesel DPF For Detroit DD13/DD15 Engines Replaces 52967, 7700656, C029SA

    BESTfit Detroit Diesel DPF For Detroit DD13/DD15 Engines Replaces 52967, 7700656, C029SA

    BESTFIT TRUCK PARTS

    $3,219.99
    Diesel Diesel Particulate Filter By BESTfit Replaces 52967, 7700656, C029SA Fits Detroit DD13/DD15 EnginesBuilt for performance and durability, the BESTfit Detroit Diesel DPF replaces OEM part...
    29-08090036
    SKU:
    29-08090036
    Style Options:
    Detroit
    Product Type:
    Exhaust
    Make:
    Universal Items
    $3,219.99
    Qty in Cart: 0
    Price:
    $3,219.99
    Subtotal:
  • BESTfit Cummins DOC For Cummins ISX Engine Replaces 2606971, 4936734NX, 58017

    BESTfit Cummins DOC For Cummins ISX Engine Replaces 2606971, 4936734NX, 58017

    BESTFIT TRUCK PARTS

    $2,294.99
    Cummins Diesel Oxidation Catalyst By BESTfit Replaces 2606971, 4936734NX, 58017 Fits Cummins ISX EngineBuilt for durability and performance, the BESTfit Cummins ISX Diesel Oxidation Catalyst (DOC)...
    29-08090046
    SKU:
    29-08090046
    Style Options:
    Cummins
    Product Type:
    Exhaust
    Make:
    Universal Items
    $2,294.99
    Qty in Cart: 0
    Price:
    $2,294.99
    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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