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    What Is DEF on a Semi Truck? Fluid, Filters, Problems & Maintenance(Post)

    What Is a DEF (Diesel Exhaust Fluid) Filter? A DEF (Diesel Exhaust Fluid) filter protects the SCR (Selective Catalytic Reduction) system by removing dirt, debris, and contaminants from the DEF supply

    Buyers Guide to Aftermarket Air Breather Panels(Post)

    Decorative light panels are an outstanding way to start personalizing your truck. Air breather panels offer tremendous visual appeal and can elevate your big rig's nighttime appearance. There are five

    Semi Truck DPF Systems: How They Work, Problems, Regeneration & Parts(Post)

    Let’s break down how to maintain peak emissions performance and avoid excessive repairs on big truck exhausts. Key Takeaways DPFs trap soot, while DEF reduces harmful nitrogen oxide emissions. Watch

    What Does the FASS Fuel System Do? (Post)

    Diesel fuel often contains air, vapor, water, and fine debris - harmful contaminants that hurt fuel pressure stability, injector life, and injection pump health. FASS (fuel air separation system) help

    What Year Did Semi Trucks Get DPF Systems?(Post)

    When Did Semi Trucks Start Using DPF Systems? EPA Rules Explained Diesel particulate filters (DPFs) became standard equipment on new U.S. heavy-duty diesel trucks starting with the 2007 engine model y

    How to Choose the Right W990 Drop Visor(Post)

    The best Kenworth W990 drop visor depends on your design preference, mounting configuration, and windshield type or cab style (curved or flat). Buying a Custom W990 Truck Visor Online?  If you're brow

    Preventative Maintenance Checklist for Semi Trucks(Post)

    In this post, we’ll cover the need for a semi truck preventative maintenance checklist, and some of the common replacement parts you can buy online and ship directly to your specified address. Key Ta

    Best Semi Truck Emergency Kit Accessories to Deter Roadside Breakdowns(Post)

    It’s cold, and late, and you’re suddenly stalled at the side of the road because your semi truck won’t start or won’t budge. If this sounds like a truck driver’s worst nightmare, it’s because it is. 

    Signs of a Failing Heater Box & What to Do About It(Post)

    Experiencing refreshing cool air in the summer and warm air in the winter is nearly priceless when behind the wheel of a big rig for 11 hours a day. However, if your A/C heater box isn’t working, your

    Wet Line Kits for Semi Trucks 101: The Basics Explained(Post)

    Ready to transform your rig into a hydraulic powerhouse? A semi-truck wet line kit can do the trick. One of these will turn your truck from a normal highway hauler into a workhorse capable of handlin

    How to Winterize a Semi Truck: The Complete Driver Checklist(Post)

    Cold winter weather, freezing temperatures, snow-covered roads, and adverse weather conditions wreak havoc on semi truck engines and equipment, and can lead to costly repairs if damage occurs. Don’t c

    Spare Semi Truck Parts Every Owner-Operator Should Keep(Post)

    For owner-operators, having the right spare parts on hand is the difference between experiencing devastating downtime and productive uptime. You don’t want to be caught on the side of the road waiting

    How A/C Driers Work on Your Semi Truck(Post)

    Ever wondered why your semi truck’s AC runs smoothly, or why it suddenly stops working? Your A/C receiver, drier, or accumulator is the unsung heroe of your commercial vehicle.  Maintaining your A/C d

    T880 Visor Ultimate Buyer's Guide(Post)

    There are countless Kenworth T880 visor options to choose from depending on the theme and style you’re going for. Here's a quick buyer's guide for Kenworth T880 aftermarket visors. Before you buy, con

    What are the Most Frequently Replaced Semi Truck Parts?(Post)

    The parts of a class 8 truck that see the most frequent repair and replacement are areas where tons of heat, friction, and pressure occur. No-brainer, right?  Here are some of the most frequently repl

    Diesel Truck Engine Maintenance Guide(Post)

    Semi truck engines can last up to one million miles, or more, before they need to be rebuilt or replaced.  During their lifespan, engine system parts experience a lot of heat and pressure, eventually

    Seasonal Semi Truck Maintenance Checklist(Post)

    Freezing winter weather temperatures, heavy snow, ice, and road salt take an unseen toll on your semi truck. Corrosion directly affects your semi truck brakes, electrical terminals,  suspension mounts

    Semi Truck DPF Box Covers & Slipcovers: Fitment Guide(Post)

    Semi Truck DPF Box Covers: Types, Fitment & Replacement What Is a DPF Box Cover on a Semi Truck? DPF box covers are exterior panels designed to conceal or protect the aftertreatment housing. They do n

    Spring Semi-Truck Maintenance: 5 Checks to Prevent Expensive Repairs(Post)

    Winter weather causes corrosion, contamination, wear, and hidden damage. Spring is a great time to inspect the truck thoroughly and stop small problems from becoming giant disasters.  Five Spring Main

    7 Best Exterior Chrome Upgrades for the Kenworth W900A(Post)

    Outfit your Kenworth W900A model with stunning exterior chrome accessories and stainless-steel upgrades that seamlessly tie together the entire truck’s theme. Classic big rig owners take a lot of prid

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  • FREE SHIPPING OVER $249
    3/4 X 3.5 X 5.125 Inch Square U-Bolt Replaces 03-00425, 03-00581 & 03-05105 For Peterbilt Low Air Leaf Suspension

    3/4 X 3.5 X 5.125 Inch Square U-Bolt Replaces 03-00425, 03-00581 & 03-05105 For Peterbilt Low Air Leaf Suspension

    AFTERMARKET

    $26.51
    Square U-Bolt Fits Peterbilt Low Air Leaf SuspensionReplace worn or damaged suspension components with the 3/4 x 3.5 x 5.125 Inch Square U-Bolt, compatible with OEM numbers 03-00425, 03-00581, and...
    01-051048
    SKU:
    01-051048
    Width Options:
    3 Inch
    Truck Class:
    Heavy Duty
    Diameter Options:
    3/4 Inch
    Length Options:
    5 Inch
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $26.51
    Qty in Cart: 0
    Price:
    $26.51
    Subtotal:
  • 1-Piece Stainless Steel Diesel Particulate Filter Replaces 5579356, 5295605 For Cummins ISX Engine

    1-Piece Stainless Steel Diesel Particulate Filter Replaces 5579356, 5295605 For Cummins ISX Engine

    GLOBAL EMISSIONS

    $1,971.99
    1-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And Gaskets Included* Sold Individually...
    29-080600051
    SKU:
    29-080600051
    Truck Class:
    Heavy Duty
    Style Options:
    Cummins
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $1,971.99
    Qty in Cart: 0
    Price:
    $1,971.99
    Subtotal:
  • Air Spring Rolling Lobe 80 PSI- 9000 - 11 10.5E-16 A 214 69701, 90557410 For SAF Holland / Neway

    Air Spring Rolling Lobe 80 PSI- 9000 - 11 10.5E-16 A 214 69701, 90557410 For SAF Holland / Neway

    AFTERMARKET

    $332.99
    Replacement Air Spring Rolling Lobe* High Quality Air Spring* Rolling Lobe Type* 9000 Load At 80 PSI* 11400 Load At 100 PSI* 80 CPM Natural Frequency* Aluminum Bottom Plate* With Bumper* Dimensions: ...
    19-05180064
    SKU:
    19-05180064
    Product Type:
    Trailer
    Truck Class:
    Heavy Duty
    Make:
    Trailer
    Style Options:
    Rolling Lobe
    $332.99
    Qty in Cart: 0
    Price:
    $332.99
    Subtotal:
  • Spring End Pad 3.13 Inch C to C For Freightliner

    Spring End Pad 3.13 Inch C to C For Freightliner

    AFTERMARKET

    $96.99
    Freightliner Spring End Pad Replaces 1120807000Ensure proper leaf spring support on your Freightliner with this 3.13-inch C-to-C Spring End Pad. Measuring 3.9 inches long, 3.9 inches wide, and 2.75...
    03-05100063
    SKU:
    03-05100063
    Length Options:
    3 3/4 Inch
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Frame & Chassis
    $96.99
    Qty in Cart: 0
    Price:
    $96.99
    Subtotal:
  • 3/8 Inch NPT Supply Line Filter ESL2550, RSL2550

    3/8 Inch NPT Supply Line Filter ESL2550, RSL2550

    AUTOMANN USA

    $35.86
    Supply Line Filter 3/8 Inch NPT Inlet & Outlet* High Quality Supply Line Filter* 3/8 Inch NPT Inlet And Outlet* Sold Individually* Warranty On Supply Line Filters Against Defects In Workmanship &...
    19-05170031
    SKU:
    19-05170031
    Product Type:
    Trailer
    Truck Class:
    Heavy Duty
    Make:
    Trailer
    Diameter Options:
    3/8 Inch
    $35.86
    Qty in Cart: 0
    Price:
    $35.86
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    BESTfit Semi-Round U-Bolt Kit 7/8 X 5.25 X 14.5 Inch Replaces 11-23853-000 For Freightliner FAS II Suspension

    BESTfit Semi-Round U-Bolt Kit 7/8 X 5.25 X 14.5 Inch Replaces 11-23853-000 For Freightliner FAS II Suspension

    BESTFIT TRUCK PARTS

    Now: $26.22
    Was: $62.99
    BESTfit U Bolt Kit Includes Washers & Nuts For Freightliner FAS II Suspension* High Quality U Bolt Kit* Includes:  - (2) U Bolts (Specialty Bend)* Dimensions:  - 14.5 Inch Length  - 5.25 Inch Width ...
    03-051018
    SKU:
    03-051018
    Width Options:
    3 Inch
    Diameter Options:
    1 Inch
    Length Options:
    15 Inch
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    Now: $26.22
    Was: $62.99
    Qty in Cart: 0
    Price:
    Now: $26.22
    Was: $62.99
    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:
  • FREE SHIPPING OVER $249
    BESTfit Adjustable Leveling Valve Linkage Kit Replaces OE 03-05180, 03-06224, 0305180

    BESTfit Adjustable Leveling Valve Linkage Kit Replaces OE 03-05180, 03-06224, 0305180

    BESTFIT TRUCK PARTS

    $14.66
    BESTfit Height Control Valve Linkage And Rod Kit, Replaces 03-05180* High Quality Linkage Kit * Adjustable Linkage Kit For Height Control Valve* 18 Inch Rod With Ends* Hardware* Maximum Usable Length...
    29-051800
    SKU:
    29-051800
    Length Options:
    18 Inch
    Truck Class:
    Heavy Duty
    Make:
    International
    Make:
    Volvo
    Make:
    Hino
    Make:
    Trailer
    Make:
    Kenworth
    Make:
    Western Star
    Make:
    Freightliner
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $14.66
    Qty in Cart: 0
    Price:
    $14.66
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Height Leveling Valve Rod Linkage Kit Replaces 03-05180 03-06224 0305180 For Kenworth AG100, AG200 & AG400 Suspensions

    TPHD Height Leveling Valve Rod Linkage Kit Replaces 03-05180 03-06224 0305180 For Kenworth AG100, AG200 & AG400 Suspensions

    TPHD

    $14.04
    Adjustable Linkage Kit For Height Control Valve* High Quality Leveling Valve Rod Linkage Kit* Adjustable Linkage Kit For Height Control Valve* 18 Inch Rod With Ends And Hardware* Maximum Usable...
    02-051800K01
    SKU:
    02-051800K01
    Length Options:
    18 Inch
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $14.04
    Qty in Cart: 0
    Price:
    $14.04
    Subtotal:
  • BESTfit 12 Inch 80 PSI Replacement Suspension Air Bag

    BESTfit 12 Inch 80 PSI Replacement Suspension Air Bag

    BESTFIT TRUCK PARTS

    $233.99
    Replacement Suspension Air Bag By BESTfitMaintain a smooth, controlled ride with the BESTfit 12 Inch 80 PSI Replacement Suspension Air Bag, engineered for dependable load support and long-lasting...
    29-051064
    SKU:
    29-051064
    Truck Class:
    Heavy Duty
    Height Options:
    12 Inch
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Rating:
    80 PSI
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $233.99
    Qty in Cart: 0
    Price:
    $233.99
    Subtotal:
  • FREE SHIPPING OVER $249
    U-Bolt Kit 7/8 X 5.25 X 15.5 Inch Replaces 11-23583-001 & 681-325-03-25 For Freightliner FAS II Suspension

    U-Bolt Kit 7/8 X 5.25 X 15.5 Inch Replaces 11-23583-001 & 681-325-03-25 For Freightliner FAS II Suspension

    BESTFIT TRUCK PARTS

    $54.99
    U Bolt Kit Includes Washers & Nuts For Freightliner FAS II Suspension* High Quality U Bolt Kit* Includes:  - (2) U Bolts (Specialty Bend)* Dimensions:  - 15.5 Inch Length  - 5.25 Inch Width  - 7/8...
    03-051017
    SKU:
    03-051017
    Width Options:
    5 Inch
    Length Options:
    15 Inch
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Frame & Chassis
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • MGM ADB Spring Brake TRB2424DT051, K043270

    MGM ADB Spring Brake TRB2424DT051, K043270

    AFTERMARKET

    $531.99
    Air Brake Chamber - Combination, Air Disc ModelThis MGM ADB spring brake is built for air disc systems with a 2.5-inch stroke. It's got heavy-duty nylon diaphragms, epoxy coating where it counts, and...
    09-05170107
    SKU:
    09-05170107
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Material Options:
    Nylon
    $531.99
    Qty in Cart: 0
    Price:
    $531.99
    Subtotal:
  • 25 9/16 Inch Torque Rod Replaces 305108 For Peterbilt

    25 9/16 Inch Torque Rod Replaces 305108 For Peterbilt

    AFTERMARKET

    $163.99
    25-9/16 Inch C To C Torque Rod Replaces 305108, 0305108The 25 9/16 Inch Torque Rod is a durable replacement designed to provide excellent axle control and suspension stability for heavy-duty trucks...
    01-05100014
    SKU:
    01-05100014
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Length Options:
    25 1/2 Inch
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $163.99
    Qty in Cart: 0
    Price:
    $163.99
    Subtotal:
  • Turnpike Truck Trim Replacement Shields With 6 Rnd 2 Inch Light Holes For Freightliner Freightliner Donaldson Air Cleaner

    Turnpike Truck Trim Replacement Shields With 6 Rnd 2 Inch Light Holes For Freightliner Freightliner Donaldson Air Cleaner

    TURNPIKE TRUCK TRIM

    $78.99
    Replacement Donaldson Air Cleaner Shields With 6 Round 2 Inch Light Holes* High Quality Shields * (6) 2 Inch Light Holes* Made In USA * Sold As Pair* Warranty On Shields Against Defects In...
    03-0905154
    SKU:
    03-0905154
    Length Options:
    22 1/2 Inch
    Product Type:
    Exterior
    Height Options:
    1 1/2 Inch
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Width Options:
    14 1/4 Inch
    Make:
    Freightliner
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • Air Disc Brake Chamber Type Replaces CSB16D, CSB16D051, K028226, SC16D

    Air Disc Brake Chamber Type Replaces CSB16D, CSB16D051, K028226, SC16D

    AFTERMARKET

    $343.99
    Sealed ADB Service ChamberThe ADB Service Chamber CSB16D is equipped with a standard 2.5-inch stroke, great for air disc brake systems. It has a heavy-duty nylon reinforced diaphragm that offers...
    09-05170022
    SKU:
    09-05170022
    Product Type:
    Frame & Chassis
    Material Options:
    Nylon
    Make:
    Universal Items
    $343.99
    Qty in Cart: 0
    Price:
    $343.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Rear Spring Bushing Mount 4.25 X 1.75 Inch C To C W/ 10 Bolt Holes For Peterbilt Low Air Leaf Suspension Replaces CS70789, 03-05117

    BESTfit Rear Spring Bushing Mount 4.25 X 1.75 Inch C To C W/ 10 Bolt Holes For Peterbilt Low Air Leaf Suspension Replaces CS70789, 03-05117

    BESTFIT TRUCK PARTS

    $62.99
    Rear Spring Bushing Mount 4.25 X 1.75 Inch C To C W/ 10 Bolt Holes By BESTfit Replaces CS70789, 03-05117 Fits Peterbilt Low Air Leaf SuspensionDo you need a low air leaf spring bushing mount for your...
    01-051018
    SKU:
    01-051018
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
    Subtotal:
  • 25-9/16 Inch Torque Rod, Rebushable W/ 1-1/4 Inch Shaft - 03-05108 For Peterbilt

    25-9/16 Inch Torque Rod, Rebushable W/ 1-1/4 Inch Shaft - 03-05108 For Peterbilt

    AFTERMARKET

    $219.99
    25-9/16 Inch C To C Rebushable Torque Rod Replaces 03-05108The 25 9/16 Inch Torque Rod with a 1 1/4 Inch shaft is a high-quality replacement for OEM 03-05108, designed to deliver robust axle control...
    01-05100015
    SKU:
    01-05100015
    Truck Class:
    Heavy Duty
    Length Options:
    25 3/5 Inch
    Material Options:
    Steel
    Make:
    Peterbilt
    Product Type:
    Frame & Chassis
    $219.99
    Qty in Cart: 0
    Price:
    $219.99
    Subtotal:
  • AirDog Fuel Filter Wrap Heater Kit- 24V For FPII-150 & FPII-200 Fuel Systems

    AirDog Fuel Filter Wrap Heater Kit- 24V For FPII-150 & FPII-200 Fuel Systems

    AIRDOG HD

    $178.99
    24V Fuel Filter Wrap Heater Kit Fits FPII-150 & FPII-200 Fuel SystemsPrevent frozen fuel issues in your FPII-150 and FPII-200 AirDog systems with the 24V Fuel Filter Wrap Heater Kit. Featuring a...
    29-070300051
    SKU:
    29-070300051
    Product Type:
    Engine Parts
    $178.99
    Qty in Cart: 0
    Price:
    $178.99
    Subtotal:
  • Axle Seat 5.5 Degree - 16-14051-000 For Freightliner Air Ride Late Model Suspensions

    Axle Seat 5.5 Degree - 16-14051-000 For Freightliner Air Ride Late Model Suspensions

    AFTERMARKET

    $45.20
    Double Winged Axle Seat For Square Bend U-Bolt* High Quality Axle Seat* 4.75 Inch * 5.5 Degree* Used With Square U-bolts Double Winged* Sold Individually * Warranty On Axle Seats Against Defects In...
    03-05100003
    SKU:
    03-05100003
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Frame & Chassis
    $45.20
    Qty in Cart: 0
    Price:
    $45.20
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Height Control Valve Linkage Kit Replaces OE 03-05180 03-06224 12149 For Freightliner Rear FAS I & FAS II Suspension

    TPHD Height Control Valve Linkage Kit Replaces OE 03-05180 03-06224 12149 For Freightliner Rear FAS I & FAS II Suspension

    TPHD

    $14.04
    Adjustable To 19.5 Inch Height Control Valve Linkage Kit, Replaces 03-05180* High Quality Linkage Kit* Adjustable Linkage Kit For Height Control Valve* 18 Inch Rod With Ends And Hardware* Maximum...
    03-051800K01
    SKU:
    03-051800K01
    Length Options:
    18 Inch
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Product Type:
    Frame & Chassis
    Ready To Ship:
    Yes
    $14.04
    Qty in Cart: 0
    Price:
    $14.04
    Subtotal:
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