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Freightliner Century 112/120 Frame & Chassis

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On-Top Air Line Box 304 Stainless Steel W/ Holes For Trailer Air, 7-Way, Hydraulic Hookups

    On-Top Air Line Box 304 Stainless Steel W/ Holes For Trailer Air, 7-Way, Hydraulic Hookups

    IOWA CUSTOMS

    $514.99
    On-Top Air Line Box W/ Trailer Air, 7-Way & Hydraulic Hookups* High Quality On-Top Airline Box * Made Of 304 Stainless Steel* #8 Polished Finish* Includes:   - Trailer Air   - Hydraulic Hook-Ups  -...
    09-050300042
    SKU:
    09-050300042
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $514.99
    Qty in Cart: 0
    Price:
    $514.99
    Subtotal:
  • Smooth Aluminum On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air, 2 7-Way Hookups

    Smooth Aluminum On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air, 2 7-Way Hookups

    IOWA CUSTOMS

    $459.99
    On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air & 2 7-Way Hookups* High Quality Deck Plate Accessories* Made Of Smooth Aluminum* On-Top Airline Box * With Trailer Air And Two 7-Ways *...
    09-050300041
    SKU:
    09-050300041
    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 Sectionalized Deck Plate W/ Trailer Air, 2 7-Way Hookups

    304 Stainless Steel On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air, 2 7-Way Hookups

    IOWA CUSTOMS

    $577.99
    On-Top Air Line Box Sectionalized Deck Plate W/ Trailer Air & 2 7-Way Hookups* High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * With Trailer Air And Two...
    09-050300040
    SKU:
    09-050300040
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $577.99
    Qty in Cart: 0
    Price:
    $577.99
    Subtotal:
  • Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookups

    Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookups

    IOWA CUSTOMS

    $459.99
    On-Top Air Line Box Deck Plate W/ Trailer Air & 7-Way Hookups* High Quality Deck Plate Accessories* Made Of Smooth Aluminum* On-Top Airline Box * With Trailer Air And One 7-Way Hook Ups* Made In USA*...
    09-050300039
    SKU:
    09-050300039
    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, 7-Way Hookups

    304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way Hookups

    IOWA CUSTOMS

    $563.99
    On-Top Air Line Box Deck Plate W/ Trailer Air & 7-Way Hookups* High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * With Trailer Air And One 7-Way Hook Ups*...
    09-050300038
    SKU:
    09-050300038
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $563.99
    Qty in Cart: 0
    Price:
    $563.99
    Subtotal:
  • Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way, 4/6-Way Hookups

    Smooth Aluminum On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way, 4/6-Way Hookups

    IOWA CUSTOMS

    $459.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way & 4/6-Way Hookups* High Quality Deck Plate Accessories* Made Of Smooth Aluminum* On-Top Airline Box * With Trailer Air * One 7-Way And One 4/6 Way...
    09-050300037
    SKU:
    09-050300037
    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, 4/6-Way Hookups

    304 Stainless Steel On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way, 4/6-Way Hookups

    IOWA CUSTOMS

    $512.99
    On-Top Air Line Box Deck Plate W/ Trailer Air, 7-Way & 4/6-Way Hookups* High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * With Trailer Air One 7-Way And One...
    09-050300036
    SKU:
    09-050300036
    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 SS Blank On-Top Air Line Box,

    Paintable SS Blank On-Top Air Line Box,

    IOWA CUSTOMS

    $339.99
    Paintable Stainless Steel On-Top Air Line Box With No Holes* High Quality Deck Plate Accessories* Made Of Stainless Steel* Paintable Finish* On-Top Airline Box * Blank* No Holes* Made In USA* Sold...
    09-050300035
    SKU:
    09-050300035
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    Material Options:
    Stainless Steel
    Finish Options:
    Paintable
    Ready To Ship:
    Yes
    $339.99
    Qty in Cart: 0
    Price:
    $339.99
    Subtotal:
  • Polished 304 Stainless Steel Blank On-Top Air Line Box Deck Plate Accessory

    Polished 304 Stainless Steel Blank On-Top Air Line Box Deck Plate Accessory

    IOWA CUSTOMS

    $490.99
    Blank Polished 304 Stainless Steel On-Top Air Line Box Deck Plate Accessory* High Quality Deck Plate Accessories* Made Of Polished Stainless Steel* On-Top Airline Box * Blank* No Holes * Made In USA*...
    09-050300034
    SKU:
    09-050300034
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Polished
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $490.99
    Qty in Cart: 0
    Price:
    $490.99
    Subtotal:
  • Aluminum 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, 4/6-Way Hookups

    Aluminum 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, 4/6-Way Hookups

    IOWA CUSTOMS

    $490.99
    18 Inch Smooth Aluminum Recessed Air Line Box Sectionalized Deck Plate W/ Trailer Air, 7-Way, 4/6-Way HookupsOrganize connectors on the back of your truck with this 18 inch recessed air line box by...
    09-050300031
    SKU:
    09-050300031
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Smooth
    Style Options:
    Flush Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $490.99
    Qty in Cart: 0
    Price:
    $490.99
    Subtotal:
  • 304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air, One 7-Way & One 4 or 6 Way Cutouts

    304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air, One 7-Way & One 4 or 6 Way Cutouts

    IOWA CUSTOMS

    $655.99
    18 Inch 304 Stainless Steel Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air, One 7-Way & One 4 Or 6-Way CutoutsOrganize connectors on the back of your truck with this 18 inch recessed air...
    09-050300030
    SKU:
    09-050300030
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Flush Mount
    Product Type:
    Frame & Chassis
    $655.99
    Qty in Cart: 0
    Price:
    $655.99
    Subtotal:
  • 304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & Two 7-Way Cutouts

    304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & Two 7-Way Cutouts

    IOWA CUSTOMS

    $655.99
    18 Inch 304 Stainless Steel Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & Two 7-Way CutoutsOrganize connectors on the back of your truck with this 18 inch recessed air line box by Iowa...
    09-050300029
    SKU:
    09-050300029
    Length Options:
    18 Inch
    Location:
    Made In USA
    Truck Class:
    Universal
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Style Options:
    Flush Mount
    Product Type:
    Frame & Chassis
    $655.99
    Qty in Cart: 0
    Price:
    $655.99
    Subtotal:
  • Smooth Aluminum 18 Inch Sectional Deck Plate Filler With Recessed Mini Airline Box & One 7-Way Hookup

    Smooth Aluminum 18 Inch Sectional Deck Plate Filler With Recessed Mini Airline Box & One 7-Way Hookup

    IOWA CUSTOMS

    $490.99
    18 Inch Smooth Aluminum Sectionalized Deck Plate W/ 1 Mini Air Line Box, One 7-Way HookupsOrganize connectors on the back of your truck with this 18 inch recessed air line box by Iowa Customs with...
    09-050300028
    SKU:
    09-050300028
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Smooth
    Style Options:
    Flush Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $490.99
    Qty in Cart: 0
    Price:
    $490.99
    Subtotal:
  • 304 SS 18 Inch Recessed Small Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way Cutout

    304 SS 18 Inch Recessed Small Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way Cutout

    IOWA CUSTOMS

    $655.99
    18 Inch 304 Stainless Steel Recessed Small Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way CutoutOrganize connectors on the back of your truck with this 18 inch recessed small air line box by...
    09-050300027
    SKU:
    09-050300027
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Flush Mount
    Product Type:
    Frame & Chassis
    $655.99
    Qty in Cart: 0
    Price:
    $655.99
    Subtotal:
  • 304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way Cutout

    304 SS 18 Inch Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way Cutout

    IOWA CUSTOMS

    $655.99
    18 Inch 304 Stainless Steel Recessed Air Line Box Sectionalized Deck Plate W/ 2 Air & 7-Way CutoutOrganize connectors on the back of your truck with this 18 inch recessed air line box by Iowa Customs...
    09-050300026
    SKU:
    09-050300026
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Flush Mount
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $655.99
    Qty in Cart: 0
    Price:
    $655.99
    Subtotal:
  • Aluminum 12 Inch Deck Plate Section W/ On Top Airline Box For 34 Inch Truck Frame

    Aluminum 12 Inch Deck Plate Section W/ On Top Airline Box For 34 Inch Truck Frame

    IOWA CUSTOMS

    $572.99
    Smooth Aluminum On Frame Sectionalized Deck Plate With On-Top Air BoxThis Iowa Customs 12 Inch On Frame Section Deck Plate makes adding an on-top airline box to your deck easy. Mix and match it with...
    09-050300025
    SKU:
    09-050300025
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Aluminum
    Style Options:
    Surface Mount
    Finish Options:
    Smooth
    Product Type:
    Frame & Chassis
    Location:
    Made In USA
    Length Options:
    34 Inch
    $572.99
    Qty in Cart: 0
    Price:
    $572.99
    Subtotal:
  • 304 Stainless Steel 12 Inch On-Top Air Line Box

    304 Stainless Steel 12 Inch On-Top Air Line Box

    IOWA CUSTOMS

    $696.99
    12 Inch 304 Stainless Steel On-Top Air Line BoxHide unsightly connectors on the back of your truck with this 12 inch on-top air line box by Iowa Customs. It is made of corrosion-resistant stainless...
    09-050300024
    SKU:
    09-050300024
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Flush Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $696.99
    Qty in Cart: 0
    Price:
    $696.99
    Subtotal:
  • 304 Stainless Steel 24 Inch Deck Plate Filler Section

    304 Stainless Steel 24 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $466.99
    24 Inch 304 Stainless Steel Deck Plate Filler SectionDress up your truck with this stainless steel 24-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate filler...
    09-050300023
    SKU:
    09-050300023
    Truck Class:
    Universal
    Make:
    Universal Items
    Style Options:
    Surface Mount
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    $466.99
    Qty in Cart: 0
    Price:
    $466.99
    Subtotal:
  • Smooth Aluminum 22 Inch Deck Plate Filler Section

    Smooth Aluminum 22 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $294.99
    22 Inch Smooth Aluminum Deck Plate Filler SectionDress up your truck with this lightweight smooth aluminum 22-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate...
    09-050300022
    SKU:
    09-050300022
    Truck Class:
    Universal
    Make:
    Universal Items
    Finish Options:
    Smooth
    Style Options:
    Surface Mount
    Material Options:
    Aluminum
    Product Type:
    Frame & Chassis
    $294.99
    Qty in Cart: 0
    Price:
    $294.99
    Subtotal:
  • 304 Stainless Steel 22 Inch Deck Plate Filler Section

    304 Stainless Steel 22 Inch Deck Plate Filler Section

    IOWA CUSTOMS

    $453.99
    22 Inch 304 Stainless Steel Deck Plate Filler SectionDress up your truck with this stainless steel 22-inch plate filler. Part of Iowa Customs patented sectional deck place system, this plate filler...
    09-050300021
    SKU:
    09-050300021
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Stainless Steel
    Style Options:
    Surface Mount
    Product Type:
    Frame & Chassis
    $453.99
    Qty in Cart: 0
    Price:
    $453.99
    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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