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Freightliner Century 112/120 Frame & Chassis

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way Hookup

    Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air, 7-Way Hookup

    IOWA CUSTOMS

    $503.99
    Smooth Aluminum Recessed Air Line Box Radius Bottom W/ Flange, Trailer Air & 7-Way HookupThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight aluminum with a...
    09-050400009
    SKU:
    09-050400009
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Smooth
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Style Options:
    Recessed
    Type Options:
    Flush Mount
    $503.99
    Qty in Cart: 0
    Price:
    $503.99
    Subtotal:
  • Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups

    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups

    IOWA CUSTOMS

    $490.99
    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & 4/6-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight...
    09-050400006
    SKU:
    09-050400006
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Style Options:
    Flush Mount
    Finish Options:
    Smooth
    Product Type:
    Frame & Chassis
    $490.99
    Qty in Cart: 0
    Price:
    $490.99
    Subtotal:
  • Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups

    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way, 4/6-Way Hookups

    IOWA CUSTOMS

    $610.99
    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way & 4/6-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless...
    09-050400005
    SKU:
    09-050400005
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Flush Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $610.99
    Qty in Cart: 0
    Price:
    $610.99
    Subtotal:
  • Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 2 7-Way Hookups

    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 2 7-Way Hookups

    IOWA CUSTOMS

    $490.99
    Smooth Aluminum Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air & 2 7-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of lightweight smooth...
    09-050400004
    SKU:
    09-050400004
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Style Options:
    Flush Mount
    Product Type:
    Frame & Chassis
    $490.99
    Qty in Cart: 0
    Price:
    $490.99
    Subtotal:
  • Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 2 7-Way Hookups

    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 2 7-Way Hookups

    IOWA CUSTOMS

    $595.99
    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air & 2 7-Way HookupsThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel...
    09-050400003
    SKU:
    09-050400003
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Flush Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $595.99
    Qty in Cart: 0
    Price:
    $595.99
    Subtotal:
  • Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way Hookup

    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air, 7-Way Hookup

    IOWA CUSTOMS

    $595.99
    Stainless Steel Recessed Air Line Box 45 Degree Front W/ Flange, Trailer Air & 7-Way HookupThis quality Iowa Customs recessed air line box fits most trucks. It is made of polished stainless steel...
    09-050400002
    SKU:
    09-050400002
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Flush Mount
    Finish Options:
    Polished
    Product Type:
    Frame & Chassis
    $595.99
    Qty in Cart: 0
    Price:
    $595.99
    Subtotal:
  • FREE SHIPPING OVER $249
    CSM Frame Pinch Bar For Deck Plate Mounting

    CSM Frame Pinch Bar For Deck Plate Mounting

    CHROME SHOP MAFIA

    $28.27
    Frame Pinch Bar For Deck Plate Mounting By Chrome Shop Mafia* High Quality Frame Pinch Bar * Made Of Aluminum* Used For Mounting Deck Plates (Deck Plate Not Included) - Deck Plates - Center Light...
    09-050344
    SKU:
    09-050344
    Length Options:
    32 Inch
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $28.27
    Qty in Cart: 0
    Price:
    $28.27
    Subtotal:
  • Slide In Rail Air Line Box Smooth Aluminum With Holes For 2 Air Lines, 7 Way Electric Plug, 4/6 Way Plug For Dyna Deck Modular Deck Plate Systems

    Slide In Rail Air Line Box Smooth Aluminum With Holes For 2 Air Lines, 7 Way Electric Plug, 4/6 Way Plug For Dyna Deck Modular Deck Plate Systems

    IOWA CUSTOMS

    $583.99
    Smooth Aluminum Slide In Rail Air Line Box W/ Mounting Brackets* High Quality Airline Box* Made Of Aluminum* Smooth Finish* Slide In Rail Design* Fits Dyna Deck Modular Deck Plate Systems* Includes: ...
    09-0503116
    SKU:
    09-0503116
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Finish Options:
    Smooth
    Product Type:
    Frame & Chassis
    Style Options:
    Slide-In Rail Design
    Type Options:
    Flush Mount
    Ready To Ship:
    Yes
    $583.99
    Qty in Cart: 0
    Price:
    $583.99
    Subtotal:
  • FREE SHIPPING
    18 Inch Slide-In Rail Recessed Airline Box Deck Plate W/ Trailer Air And 2 Holes For 7-Way Plug Smooth Aluminum

    18 Inch Slide-In Rail Recessed Airline Box Deck Plate W/ Trailer Air And 2 Holes For 7-Way Plug Smooth Aluminum

    IOWA CUSTOMS

    $595.99
    Smooth Aluminum Slide-In Rail Deck Plate-18 Inch Recessed Airline Box W/ Trailer Air And 2 Holes For 7-Way PlugUpgrade your truck with Iowa Customs' Recessed Airline Box with Trailer Air and holes...
    09-0503115
    SKU:
    09-0503115
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Style Options:
    Flush Mount
    Finish Options:
    Smooth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $595.99
    Qty in Cart: 0
    Price:
    $595.99
    Subtotal:
  • 18 Inch Slide-In Rail Recessed Airline Box Deck Plate W/ Trailer Air & 1 Hole For 7-Way Plug Smooth Aluminum

    18 Inch Slide-In Rail Recessed Airline Box Deck Plate W/ Trailer Air & 1 Hole For 7-Way Plug Smooth Aluminum

    IOWA CUSTOMS

    $571.99
    Smooth Aluminum Slide-In Rail Deck Plate-18 Inch Recessed Airline BoxUpgrade your truck with Iowa Customs' Recessed Airline Box with Trailer Air and hole for a 7 way plug! This sleek aluminum...
    09-0503114
    SKU:
    09-0503114
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Smooth
    Style Options:
    Flush Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $571.99
    Qty in Cart: 0
    Price:
    $571.99
    Subtotal:
  • Recessed Air Line Box 18 Inch Aluminum W/ Holes For Trailer Air And 2 Electric 7 Way Plugs

    Recessed Air Line Box 18 Inch Aluminum W/ Holes For Trailer Air And 2 Electric 7 Way Plugs

    IOWA CUSTOMS

    $487.99
    Iowa Customs Aluminum 18 Inch Recessed Air Line Box W/ Trailer Air And 2 Electric 7 Way Plugs* High Quality Air Line Box* Made Of Aluminum* 18 Inch* Recessed * With Trailer Air * 2 Electric 7 Way...
    09-0503024
    SKU:
    09-0503024
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Flush Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $487.99
    Qty in Cart: 0
    Price:
    $487.99
    Subtotal:
  • Aluminum 20 Inch Deck Plate Filler

    Aluminum 20 Inch Deck Plate Filler

    IOWA CUSTOMS

    $294.99
    Deck Plate 20 Inch Filler Section AluminumUpgrade your Iowa Customs frame deck plates with this 20-inch smooth aluminum filler section. The easy-to-install flange attachment ensures a secure fit, so...
    09-0503021
    SKU:
    09-0503021
    Truck Class:
    Universal
    Make:
    Universal Items
    Length Options:
    20 Inch
    Style Options:
    Flush Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $294.99
    Qty in Cart: 0
    Price:
    $294.99
    Subtotal:
  • FREE SHIPPING
    Aluminum Deck Plate 18 Inch Sectional with Air line Box With Openings For Trailer Air & 7-Way Hookups

    Aluminum Deck Plate 18 Inch Sectional with Air line Box With Openings For Trailer Air & 7-Way Hookups

    IOWA CUSTOMS

    $456.99
    Sectional Deck Plate 18 Inch Aluminum with Air line BoxThis smooth aluminum deck plate measures 18 inches with a recessed air line box for easy integration of air lines. The box is designed to...
    09-0503013
    SKU:
    09-0503013
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Flush Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $456.99
    Qty in Cart: 0
    Price:
    $456.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    12 Inch Aluminum Sectional Deck Plate Filler Panel

    12 Inch Aluminum Sectional Deck Plate Filler Panel

    IOWA CUSTOMS

    Now: $118.99
    Was: $169.99
    Sectional Deck Plate 12 Inch Aluminum Filler Panel* Made Of High Quality Aluminum* 12 Inch* Made In USA* Sold Individually* Warranty On Deck Plate Filler Panels Against Defects In Workmanship &...
    09-0503012
    SKU:
    09-0503012
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $118.99
    Was: $169.99
    Qty in Cart: 0
    Price:
    Now: $118.99
    Was: $169.99
    Subtotal:
  • 304 Stainless Steel 12 Inch Sectionalized Deck Plate Filler Section

    304 Stainless Steel 12 Inch Sectionalized Deck Plate Filler Section

    IOWA CUSTOMS

    $268.99
    12 Inch 304 Stainless Steel Sectionalized Deck Plate Filler SectionDress up your truck with this stainless steel 12-inch plate filler. Part of Iowa Customs patented sectional deck place system, this...
    09-050300048
    SKU:
    09-050300048
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    $268.99
    Qty in Cart: 0
    Price:
    $268.99
    Subtotal:
  • Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups, 2 - 4 Inch Light Holes

    Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups, 2 - 4 Inch Light Holes

    IOWA CUSTOMS

    $459.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups & 2 - 4 Inch Light Holes* High Quality Deck Plate Accessories* Made Of Smooth Aluminum* On-Top Airline Box * With Trailer Air Two 7-Way...
    09-050300047
    SKU:
    09-050300047
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Style Options:
    Surface Mount
    Finish Options:
    Smooth
    Product Type:
    Frame & Chassis
    $459.99
    Qty in Cart: 0
    Price:
    $459.99
    Subtotal:
  • 304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups, 2 - 4 Inch Light Holes

    304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups, 2 - 4 Inch Light Holes

    IOWA CUSTOMS

    $512.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 2 7-Way Hookups & 2 - 4 Inch Light Holes* High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * With Trailer Air...
    09-050300046
    SKU:
    09-050300046
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $512.99
    Qty in Cart: 0
    Price:
    $512.99
    Subtotal:
  • Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup, 2 - 4 Inch Light Holes

    Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup, 2 - 4 Inch Light Holes

    IOWA CUSTOMS

    $459.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup & 2 - 4 Inch Light Holes* High Quality Sectionalized Deck Plate* Made Of Smooth Aluminum* On-Top Airline Box * With Trailer Air * One 7-Way...
    09-050300045
    SKU:
    09-050300045
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    $459.99
    Qty in Cart: 0
    Price:
    $459.99
    Subtotal:
  • 304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup, 2 - 4 Inch Light Holes

    304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup, 2 - 4 Inch Light Holes

    IOWA CUSTOMS

    $512.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookup & 2 - 4 Inch Light Holes* High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * With Trailer Air One...
    09-050300044
    SKU:
    09-050300044
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $512.99
    Qty in Cart: 0
    Price:
    $512.99
    Subtotal:
  • Paintable Stainless On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, Hydraulic Hookups

    Paintable Stainless On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, Hydraulic Hookups

    IOWA CUSTOMS

    $459.99
    On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way & Hydraulic HookupsThis Deck Plate Accessory is made from paintable stainless steel, so you can customize it to match your style. It...
    09-050300043
    SKU:
    09-050300043
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    Finish Options:
    Paintable
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    $459.99
    Qty in Cart: 0
    Price:
    $459.99
    Subtotal:
  • Total: items /

Adding your products to cart

Freightliner Century 112/120 Frame & Chassis parts offer a comprehensive range of components for maintaining and upgrading the frame, chassis, and suspension systems of Freightliner Century 112 and 120 semi-trucks. This product lineup includes essential components like air springs, shock absorbers, brake parts, frame accessories, and more. With a wide selection of high-quality parts and accessories, including lights, tool boxes and fuel tanks,Freightliner Century owners can ensure their trucks remain reliable and well-equipped for hauling heavy loads on the road. Whether you need to repair, replace, or customize your Century 112 or 120 chassis, our lineup has the parts and solutions to keep your truck running at its best.

Frequently Asked Questions About Freightliner Century 112/120 Frame & Chassis

What years and models are these bumpers compatible with?

These bumpers are designed specifically for Freightliner Century Class 112 and 120 models manufactured from 1996 to 2011. Before ordering, verify your exact model year and check if you have a set-forward or set-back axle configuration, as this affects bumper fitment. Most aftermarket bumpers will fit both the 112 and 120 models, but always confirm the mounting hole pattern matches your specific truck's frame rails.

What material options are available and which holds up best?

You'll find bumpers in three main materials: chrome-plated steel, stainless steel, and painted steel. Chrome-plated steel offers a mirror finish at a lower price point but requires regular maintenance to prevent rust and pitting. Stainless steel costs more upfront but resists corrosion better and maintains its appearance with minimal care. Painted steel bumpers are the most economical but may need repainting after 3-5 years depending on your operating conditions.

How difficult is the installation and what tools do I need?

Installation typically takes 2-4 hours with basic mechanical skills. You'll need a socket set (including 3/4" and 7/8" sockets), torque wrench, floor jack or lift access, and potentially a drill if new mounting holes are required. Most bumpers use the existing frame mounting points, but some heavy-duty or custom options may require drilling. Having a second person helps significantly when aligning the bumper during installation.

Will aftermarket bumpers affect my approach angle or ground clearance?

Standard replacement bumpers maintain factory ground clearance and approach angles. However, heavy-duty bumpers with integrated tow hitches or additional steel plating may reduce clearance by 1-2 inches. If you frequently navigate steep driveways, job sites, or loading docks, measure your current clearance and compare it to the bumper specifications before purchasing. Some drivers opt for tapered-end designs to improve approach angles.

What's the weight difference between OEM and aftermarket options?

Factory bumpers typically weigh 85-100 pounds, while aftermarket options range from 75 pounds for basic chrome bumpers to over 200 pounds for heavy-duty models with integrated hitches and reinforced mounting brackets. The added weight of heavy-duty bumpers can improve protection but may slightly affect fuel economy and front axle weight distribution. Consider your typical load requirements and DOT weight regulations when selecting a bumper.


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