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Freightliner Cascadia 113/125 Truck Parts

Discover top OE and aftermarket Freightliner Cascadia 113/125 replacement parts at 4 State Trucks. Find air tanks and mounting accessories to enhance your truck's performance effortlessly.
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  • Price
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  • Oil Plug Replaces 9S-8008, 9S8008 For Caterpillar C7 Engines

    Oil Plug Replaces 9S-8008, 9S8008 For Caterpillar C7 Engines

    AUTOMANN USA

    $15.25
    1.253 X 0.771 Inch Oil Plug W/ 0.575 Inch A/F & 1-1/16 Inch - 12 ThreadEnsure your Caterpillar C7 engine remains protected with this precision Oil Plug. Featuring 0.575-inch A/F, 1.253-inch diameter,...
    29-07200011
    SKU:
    29-07200011
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $15.25
    Qty in Cart: 0
    Price:
    $15.25
    Subtotal:
  • Lock Washer Replaces SA16004, C70641B, 93600072, 355AX, T1705

    Lock Washer Replaces SA16004, C70641B, 93600072, 355AX, T1705

    AUTOMANN USA

    $0.34
    0.5 Inch Lock WasherMaintain optimal fastening with this durable Lock Washer, designed for SA16004, C70641B, 93600072, 355AX, and T1705. Medium-duty washer with 1/2-inch ID, 11/64-inch width, and...
    29-1240004
    SKU:
    29-1240004
    Product Type:
    Hood Parts & Acc.
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    $0.34
    Qty in Cart: 0
    Price:
    $0.34
    Subtotal:
  • Cabin Air Spring Replaces 75314, SC29-O132, 7155, 7164, W023587155, W027037163, W027037164, W027037165, 1S4235, R816002, W027037153, 2019036

    Cabin Air Spring Replaces 75314, SC29-O132, 7155, 7164, W023587155, W027037163, W027037164, W027037165, 1S4235, R816002, W027037153, 2019036

    AFTERMARKET

    $57.99
    Sleeve Type Cabin Air Spring- Load At 80 PSI - 688 Lbs, Load At 100 PSI - 860 LbsImprove ride comfort and cab stability with this high-quality Cabin Air Spring. This sleeve-type air spring supports...
    29-10140001
    SKU:
    29-10140001
    Diameter Options:
    4 1/4 Inch
    Product Type:
    Exterior
    Height Options:
    8 1/2 Inch
    Make:
    Universal Items
    $57.99
    Qty in Cart: 0
    Price:
    $57.99
    Subtotal:
  • DPF Gasket Replaces 5304868, 5417859, 2188190PE For Cummins, PACCAR

    DPF Gasket Replaces 5304868, 5417859, 2188190PE For Cummins, PACCAR

    AFTERMARKET

    $36.34
    14.25 Inch ID X 15.375 Inch OD DPF GasketKeep your DPF system functioning efficiently with this high-quality gasket for Cummins and PACCAR engines. With a 14.250-inch ID, 15.375-inch OD, and 0...
    29-0809209
    SKU:
    29-0809209
    Product Type:
    Exhaust
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $36.34
    Qty in Cart: 0
    Price:
    $36.34
    Subtotal:
  • Oil Pump Replaces 3966840 For Cummins ISC 8.3L Engines

    Oil Pump Replaces 3966840 For Cummins ISC 8.3L Engines

    AFTERMARKET

    $140.99
    Cummins ISC 8.3L Engine Oil PumpThis premium Oil Pump for Cummins ISC 8.3L engines replaces part number 3966840 and is built for heavy-duty performance. Designed to maintain steady lubrication and...
    29-07200013
    SKU:
    29-07200013
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $140.99
    Qty in Cart: 0
    Price:
    $140.99
    Subtotal:
  • V-Band Clamp Kit Replaces 2871862

    V-Band Clamp Kit Replaces 2871862

    AUTOMANN USA

    $93.99
    Stainless Steel V-Band Clamp Kit W/ 13.375 Inch Nominal Diameter V- ClampThis high-performance V-Band Clamp Kit is engineered for Kenworth, Peterbilt, Freightliner, International, and Western Star...
    29-0809210
    SKU:
    29-0809210
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Make:
    Peterbilt
    Make:
    International
    Make:
    Kenworth
    Make:
    Freightliner
    Make:
    Western Star
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Oil Cooler Replaces 3957544, 3921558, 4713985AB, AP63467 For Cummins ISB 5.9L Engine

    Oil Cooler Replaces 3957544, 3921558, 4713985AB, AP63467 For Cummins ISB 5.9L Engine

    AFTERMARKET

    $164.99
    Oil Cooler W/ 7 PlatesThis high-performance Oil Cooler is the perfect replacement for Cummins ISB 5.9L engines. With 7 plated construction and fifteen precision-drilled holes-twelve at 0.340-inch and...
    29-07200005
    SKU:
    29-07200005
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $164.99
    Qty in Cart: 0
    Price:
    $164.99
    Subtotal:
  • 3.5 Inch Aluminized Steel Band Clamp Replaces A35AF, J000201

    3.5 Inch Aluminized Steel Band Clamp Replaces A35AF, J000201

    AUTOMANN USA

    $11.01
    3.5 Inch Aluminized Band ClampSecure your exhaust or piping system with this high-quality 3.5 Inch Aluminized Steel Band Clamp. Featuring pre-attached hardware and a Grade 8 M10 3/8-inch bolt, it...
    29-08000005
    SKU:
    29-08000005
    Diameter Options:
    3 1/2 Inch
    Product Type:
    Exhaust
    Width Options:
    1 1/4 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    $11.01
    Qty in Cart: 0
    Price:
    $11.01
    Subtotal:
  • EGR Pressure Differential Sensor Replaces 23531964 For Detroit Diesel 60 Series Engines

    EGR Pressure Differential Sensor Replaces 23531964 For Detroit Diesel 60 Series Engines

    AFTERMARKET

    $177.99
    EGR Pressure Differential Sensor- 3 PinMonitor exhaust gas pressure with confidence using this premium EGR Pressure Differential Sensor, replacement for Detroit Diesel 60 Series engines. Featuring 3...
    29-07100030
    SKU:
    29-07100030
    Product Type:
    Engine Parts
    Style Options:
    Detroit
    Make:
    Universal Items
    $177.99
    Qty in Cart: 0
    Price:
    $177.99
    Subtotal:
  • Oil Plug Replaces 9S-8004, 9S8004, 0995845 For Caterpillar C7 Engines

    Oil Plug Replaces 9S-8004, 9S8004, 0995845 For Caterpillar C7 Engines

    AUTOMANN USA

    $14.52
    0.684 X 0.500 Inch Oil Plug W/ 0.265 Inch A/F & 9/16 Inch - 18 ThreadMaintain your Caterpillar C7 engine with this premium Oil Plug. Its 0.265-inch A/F, 0.684-inch diameter, 0.500-inch length, and...
    29-07200010
    SKU:
    29-07200010
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $14.52
    Qty in Cart: 0
    Price:
    $14.52
    Subtotal:
  • Power Steering Reservoir Cover Replaces 3953866S, Q760236, Q760241, Q761939, NMCQ760236, 5839Q761939, Q761939FLG, FGQ761939

    Power Steering Reservoir Cover Replaces 3953866S, Q760236, Q760241, Q761939, NMCQ760236, 5839Q761939, Q761939FLG, FGQ761939

    AUTOMANN USA

    $24.17
    4.25 X 6.37 Inch Power Steering Reservoir CoverThis Power Steering Reservoir Cover is an essential replacement for maintaining smooth steering operation in your truck. It features exacting...
    29-07120013
    SKU:
    29-07120013
    Height Options:
    4 Inch
    Diameter Options:
    6 1/4 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $24.17
    Qty in Cart: 0
    Price:
    $24.17
    Subtotal:
  • Oil Plug Replaces 168-2288, 1682288 For Caterpillar C7 Engines

    Oil Plug Replaces 168-2288, 1682288 For Caterpillar C7 Engines

    AUTOMANN USA

    $15.24
    0.953 Inch Oil Plug W/ 1.122 Inch A/F & M18 x 1.5 ThreadReplace worn or damaged plugs with this premium Oil Plug for Caterpillar C7 engines. With a 1.122-inch A/F, 0.953-inch length, and M18 x 1.5...
    29-07200009
    SKU:
    29-07200009
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $15.24
    Qty in Cart: 0
    Price:
    $15.24
    Subtotal:
  • EGR Pressure Differential Sensor Replaces P4050-5207-1, P405052071, ME555560 For Mitsubishi, Detroit Diesel

    EGR Pressure Differential Sensor Replaces P4050-5207-1, P405052071, ME555560 For Mitsubishi, Detroit Diesel

    AFTERMARKET

    $91.99
    2.78 Inch EGR Pressure Differential Sensor- 3 PinReliable performance and accurate EGR readings are ensured with this high-quality EGR Pressure Differential Sensor, replacement for Mitsubishi and...
    29-07100032
    SKU:
    29-07100032
    Style Options:
    Detroit
    Product Type:
    Engine Parts
    Length Options:
    2 3/4 Inch
    Make:
    Universal Items
    $91.99
    Qty in Cart: 0
    Price:
    $91.99
    Subtotal:
  • Power Steering Reservoir Cover Clamp Replaces NMCQ186425, Q186425

    Power Steering Reservoir Cover Clamp Replaces NMCQ186425, Q186425

    AUTOMANN USA

    $15.26
    5.75 Inch To 7.0 Inch ID Power Steering Reservoir Cover ClampReplace worn or damaged clamps with this durable Power Steering Reservoir Cover Clamp. Its adjustable 5.75 to 7.0-inch inner diameter and...
    29-07120015
    SKU:
    29-07120015
    Width Options:
    1/2 Inch
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $15.26
    Qty in Cart: 0
    Price:
    $15.26
    Subtotal:
  • Belt Tensioner Assembly Replaces 1971873PE, 2143061PE, 2140648PE For PACCAR MX Engines

    Belt Tensioner Assembly Replaces 1971873PE, 2143061PE, 2140648PE For PACCAR MX Engines

    AUTOMANN USA

    $277.99
    2.952 X 1.84 Inch Belt Tensioner AssemblyOptimize your PACCAR MX engine performance with this high-quality Belt Tensioner Assembly. Featuring a pulley 1.840 inches wide and 2.952 inches in outer...
    29-07060177
    SKU:
    29-07060177
    Diameter Options:
    3 Inch
    Width Options:
    1 3/4 Inch
    Style Options:
    Paccar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $277.99
    Qty in Cart: 0
    Price:
    $277.99
    Subtotal:
  • Stainless Steel EGR Cooler Hardware Kit Replaces 20431718

    Stainless Steel EGR Cooler Hardware Kit Replaces 20431718

    AUTOMANN USA

    $688.99
    EGR Cooler Hardware KitReplace worn components with this stainless steel EGR Cooler Hardware Kit, engineered to replace 20431718. With two EGR pipes, five V-band clamps, gaskets, and full hardware,...
    29-07110008
    SKU:
    29-07110008
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Style Options:
    Detroit
    Make:
    Universal Items
    $688.99
    Qty in Cart: 0
    Price:
    $688.99
    Subtotal:
  • 2.75 Inch OD X 1.45 Inch Belt Pulley Replaces 50073, A4722020219, A4722020519, A4722021119, A4722021219, 36742 For Freightliner Cascadia, Coronado, Western Star

    2.75 Inch OD X 1.45 Inch Belt Pulley Replaces 50073, A4722020219, A4722020519, A4722021119, A4722021219, 36742 For Freightliner Cascadia, Coronado, Western Star

    AFTERMARKET

    $49.47
    2.75 Inch OD X 1.45 Inch Belt Pulley W/ 2.575 Inch Bearing IDMaximize your truck's belt system performance with this high-performance 2.75 Inch OD x 1.45 Inch Belt Pulley. Compatible with...
    29-07060101
    SKU:
    29-07060101
    Width Options:
    1 1/2 Inch
    Style Options:
    Detroit
    Product Type:
    Engine Parts
    Make:
    Western Star
    Make:
    Freightliner
    $49.47
    Qty in Cart: 0
    Price:
    $49.47
    Subtotal:
  • Transmission Pressure Switch Replaces 29549658, 17KP489 For Allison Transmissions

    Transmission Pressure Switch Replaces 29549658, 17KP489 For Allison Transmissions

    AUTOMANN USA

    $33.30
    2.11 Inch Transmission Pressure Switch-2 PinAvoid costly transmission repairs with this high-performance Transmission Pressure Switch, engineered to replace 29549658 and 17KP489 for Allison...
    29-07100028
    SKU:
    29-07100028
    Style Options:
    2 Prong
    Product Type:
    Engine Parts
    Height Options:
    2 Inch
    Make:
    Universal Items
    $33.30
    Qty in Cart: 0
    Price:
    $33.30
    Subtotal:
  • 32 Inch Nylon 11 Blade Fan Blade Replaces 3809753C1, 3809753C2, 47354461001, 85138, 010023828 For Cummins ISX, Caterpillar C13 Engines

    32 Inch Nylon 11 Blade Fan Blade Replaces 3809753C1, 3809753C2, 47354461001, 85138, 010023828 For Cummins ISX, Caterpillar C13 Engines

    AUTOMANN USA

    $312.99
    32 Inch Fan Blade- 11 BladesProtect your engine from overheating with this durable 32 Inch Nylon 11 Blade Fan Blade, replacement for Cummins ISX and Caterpillar C13 trucks. Featuring 11 nylon blades,...
    29-07060178
    SKU:
    29-07060178
    Diameter Options:
    32 Inch
    Product Type:
    Engine Parts
    Material Options:
    Nylon
    Make:
    Universal Items
    $312.99
    Qty in Cart: 0
    Price:
    $312.99
    Subtotal:
  • Thermostat Replaces 2882757, 2952204, 3335550, 4318197, 4318947, 4973373, 34148 For Cummins

    Thermostat Replaces 2882757, 2952204, 3335550, 4318197, 4318947, 4973373, 34148 For Cummins

    AUTOMANN USA

    $47.09
    1.77 X 2.26 Inch ThermostatMaintain optimal engine operation with this high-performance 180 F Thermostat Cummins engines. Featuring precision coil and body dimensions, it delivers consistent cooling...
    29-071000031
    SKU:
    29-071000031
    Diameter Options:
    2 1/4 Inch
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Height Options:
    1 3/4 Inch
    Make:
    Universal Items
    $47.09
    Qty in Cart: 0
    Price:
    $47.09
    Subtotal:
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Shop Cascadia Chrome Accessories & Replacement Truck Parts

Keep your Freightliner Cascadia running longer with high-quality, aftermarket parts and accessories. Whether you need to upgrade your chrome, boost interior cab/sleeper comfort, or enhance your Freightliner’s road performance, we’ve got the mechanical and cosmetic replacement parts to help you get the job done. Most Freightliner Cascadia 113 and 125 parts are interchangeable. However, there are differences in some components, like the transmission, engine-specific parts, or the hood (longer on the 125 model). These Freightliner trucks have different BBC (bumper-to-back-of-cab) measurements. So, before you buy, check the fitment tab for extra product details. Even if you’re adding non-model-specific parts, like a new drop visor or additional cab lighting, these will almost always require drilling into your truck. So, it’s important to know your exact fitment specifications before you buy. Our comprehensive parts selection makes it easy to fully personalize your Freightliner Cascadia 113/125 model both inside and out.

Frequently Asked Questions About Freightliner Cascadia 113/125 Truck Parts

Will these parts fit my specific Cascadia model year, and what are the differences between 113 and 125 parts?

Most aftermarket parts for Cascadia trucks fit model years 2008-2017 for both the 113 and 125 series. The primary difference is that the 125 has a longer hood (125" BBC) compared to the 113 (113" BBC). While many parts like mirrors, visors, and interior accessories are interchangeable, hood-specific items like grilles, bumpers, and hood-mounted accessories require matching your exact model. Always verify your truck's BBC measurement and model year before ordering to ensure proper fitment.

What material options are available for bumpers, and how do chrome, stainless steel, and painted finishes hold up?

Chrome-plated steel bumpers offer a classic look but require regular maintenance to prevent rust and pitting. Stainless steel bumpers (typically 304-grade) provide superior corrosion resistance and maintain their appearance longer with minimal upkeep. Painted bumpers are the most economical option and can be color-matched to your truck but may need repainting after 3-5 years depending on exposure. For harsh winter conditions or coastal areas, stainless steel is the recommended choice despite the higher initial cost.

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

Many Cascadia parts like mirror covers, visors, and grab handles can be installed with basic tools in 30-60 minutes using the existing mounting points. Bumpers typically require 2-3 hours and a second person due to their weight (80-120 lbs). Major components like grilles or hood replacements often need alignment adjustments and are best handled by professionals. Most parts include installation hardware, but you may need additional tools like torque wrenches for proper installation.

Are aftermarket parts as durable as OEM Freightliner parts?

Quality aftermarket parts from reputable manufacturers often match or exceed OEM specifications while costing 30-50% less. Look for parts that meet DOT/SAE standards and come with warranties of at least one year. The main differences are usually in finish quality and exact fitment tolerances. For critical safety components like bumpers and mirrors, choose parts that specifically state they meet or exceed OEM specifications.

What should I check before ordering to avoid fitment issues and returns?

First, locate your OEM and verify your exact model year, BBC length (113" or 125"), and any special edition packages. Check if your truck has any aftermarket modifications that might affect fitment. For bumpers, measure the mounting bracket spacing and note whether you have fog light cutouts or tow hook provisions. Take photos of your current setup and compare them with product images. When in doubt, contact us with your OEM and photos for fitment verification before ordering.


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