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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
Haul of Fame: Chad Smith’s Custom 2019 Peterbilt(Post)Some trucks are built to work. Some are built to show. Then there are trucks like Chad Smith’s 2019 Peterbilt—built to work, built to stand out and built with a story behind every detail. STS Transit
The Best Semi Truck Half Fenders for Your Big Rig(Post)Upgrading and customizing your truck is part of a long-term vision. After your bumpers and hoods, add some fenders - more specifically: half fenders. Semi truck half fenders are an exceptional way to
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
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3 Layer Replacement Air Filter Wrap For 29-090500017 High Performance Air Filter
FLEET FILTERS
$383.993 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-090500017* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...29-090500019- SKU:
- 29-090500019
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Exterior
$383.99Qty in Cart: 0Price:$383.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 4388411, 4388411RX, 4965322 For Cummins ISX Engines
GLOBAL EMISSIONS
$1,703.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engines* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM...29-080600019- SKU:
- 29-080600019
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$1,703.99Qty in Cart: 0Price:$1,703.99Subtotal: -
FREE SHIPPING OVER $249
Cab Fresh Replacement Filter For Peterbilt
CAB FRESH FILTER CO.
$17.91Interior Replacement Filter Fits PeterbiltFind aftermarket CAB Fresh replacement air filters for your Peterbilt at 4 State Trucks. It mounts under the dash in the interior of your cab and features...01-1503019- SKU:
- 01-1503019
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Cloth
- Make:
- Peterbilt
- Product Type:
- Interior
- Ready To Ship:
- Yes
$17.91Qty in Cart: 0Price:$17.91Subtotal: -
FASS Drop- In Series Fuel System Filter Pack W/ 1 Extreme Water Separator Filters & 1 Particulate Filters
FASS
$60.99Drop- In Series Fuel System Filter Pack W/ 1 Extreme Water Separator Filters & 1 Particulate FiltersImprove fuel system protection and long-term performance with this FASS Drop-In Series Fuel System...09-07030019- SKU:
- 09-07030019
- Product Type:
- Engine Parts
- Make:
- Universal Items
$60.99Qty in Cart: 0Price:$60.99Subtotal: -
Heavy Duty Diesel Particulate Filter Replaces 2871581NX, Q629477 For Cummins Engine
DAYTON / DORMAN
$2,954.99Heavy Duty Diesel Particulate Filter 15.4 X 21 InchKeep your heavy-duty Cummins engine emissions under control with this Diesel Particulate Filter. Replacing OEM 2871581NX and Q629477, it features a...29-0809019- SKU:
- 29-0809019
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Exhaust
$2,954.99Qty in Cart: 0Price:$2,954.99Subtotal: -
Steel 36 Gallon Bulkhead Hydraulic Reservoir W/ 25 Micron Filter - Powder Coated Black
BUYERS PRODUCTS
$1,372.9936 Gallon Hydraulic Reservoir With 25 Micron FilterThis 36-gallon steel bulkhead reservoir is built tough with durable 12-gauge steel. It's designed to keep your fluid cool and protect it from...09-02500019- SKU:
- 09-02500019
- Color:
- Black
- Truck Class:
- Universal
- Height Options:
- 26 Inch
- Width Options:
- 8 Inch
- Length Options:
- 42 Inch
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Cargo Control
- Capacity:
- 36 Gallons
- Finish Options:
- Black Powder Coat
- Type Options:
- Side Mount
$1,372.99Qty in Cart: 0Price:$1,372.99Subtotal: -
6.75 Inch U-Bolt Top Plate For International Rear Z 3.5 Inch Air Spring
AFTERMARKET
$58.99U-Bolt Top Plate Fits International Replaces 16005070 & 572112C1 & 572112C2Reinforce the stability of your International truck's rear Z air springs with the 6.75 Inch U-Bolt Top Plate, crafted for 3...07-051019- SKU:
- 07-051019
- Truck Class:
- Heavy Duty
- Width Options:
- 3 Inch
- Length Options:
- 8 Inch
- Make:
- International
- Product Type:
- Frame & Chassis
$58.99Qty in Cart: 0Price:$58.99Subtotal: -
Poly Collar and Pivot Alignment Bushing Kit - 60632-019 For Hendrickson Rear
AFTERMARKET
$137.99Replacement Hendrickson Alignment-Collar Kit* High Quality Pivot Bushing Kit* Kit Includes: - (1) Pivot Bushing Poly Split - (1) Concentric Collar - (1) Eccentric Collar - (1) Bolt Dacromet...29-05100215- SKU:
- 29-05100215
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$137.99Qty in Cart: 0Price:$137.99Subtotal: -
Intake Pre-Filter For LAF3551 Air Filter
FREEDOM AIR FILTERS
$76.99Intake Pre-Filter For P153551 Air Filter* High Quality Polyester Mesh Pre-Filter* This Is A Pre-Filter Wrap That Covers The Air Filter Element. Air Filter Element Not Included. Sold Separately.* Fits...09-0723000- SKU:
- 09-0723000
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Make:
- Western Star
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Engine Parts
$76.99Qty in Cart: 0Price:$76.99Subtotal: -
FREE SHIPPING OVER $249
Zephyr 8 Inch Airway Z-Red Clear Dip Buffing Wheel
ZEPHYR
$13.25Red Clear Dip Heavy Cut Polishing Wheel* High Quality Airway Buffing Wheel* Includes: - 3 Inch Center Plate - 5/8 Inch Arbor* Red* 8 Inch* Heavy Cut Clear Dipped * For The Use Of Iron, Steel,...09-17010019- SKU:
- 09-17010019
- Color:
- Red
- Truck Class:
- Universal
- Diameter Options:
- 8 Inch
- Material Options:
- Cloth
- Shape Options:
- Round
- Make:
- Universal Items
- Product Type:
- Polishing
- Ready To Ship:
- Yes
$13.25Qty in Cart: 0Price:$13.25Subtotal: -
16 Inch Stainless Steel Bumper W/ Tow Holes By Valley Chrome For Peterbilt 348 SFA
VALLEY CHROME PLATING
$1,194.99Valley Chrome 16 Inch Stainless Steel SFA Bumper With Cutouts For Tow* High Quality Bumper* Stainless Steel* 16 Inch Height* Has Cutouts For: - Mounting Holes - Tow Holes* Set Forward Axle* Made In...HOE001019S- SKU:
- HOE001019S
- Product Type:
- Bumpers
- Style Options:
- Set Forward Axle
- Height Options:
- 16 Inch
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Material Options:
- Stainless Steel
$1,194.99Qty in Cart: 0Price:$1,194.99Subtotal: -
International 8100, 8200, 8300 5 Inch OD Aluminized Multi-Bend Exhaust Elbow With Flattened Area by BESTfit
BESTFIT TRUCK PARTS
$366.99BESTfit 5 Inch Aluminized Multi-Bend Exhaust Elbow With Flattened Area* High Quality Exhaust Elbow* Aluminized Steel * Multi-Bend Exhaust Elbow For International* 5 Inch OD/OD * Fits Bottom of the...07-08101900- SKU:
- 07-08101900
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Style Options:
- Elbow Multi-Bend
- Material Options:
- Aluminized Steel
- Make:
- International
- Product Type:
- Exhaust
- Ready To Ship:
- Yes
$366.99Qty in Cart: 0Price:$366.99Subtotal: -
Merritt Dyna Light Cab Rack
MERRITT
$5,935.99Cab Rack W/ Jail Bar Window, Curb Side Chain Rack & TrayThe Merritt 68 x 80 Inch Dyna Light Cab Rack combines durability, organization, and professional design to meet the needs of truck drivers...Q3203670019C- SKU:
- Q3203670019C
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Aluminum
- Make:
- Universal Items
- Product Type:
- Cargo Control
- Width Options:
- 80 Inch
- Height Options:
- 68 Inch
$5,935.99Qty in Cart: 0Price:$5,935.99Subtotal: -
16 Inch SFA Chrome Bumper W/ Tow Hole Only 90 Degree Top Flange For 98 & Newer Peterbilt 330 Models
VALLEY CHROME PLATING
$820.99Chrome 16 Inch Chrome Bumper W/ Tow Hole* High Quality Bumper* Chrome Plated Steel* 90 Degree Top Flange 98* Made In The USA* Sold Individually* Warranty On Bumpers Against Defects In Workmanship &...HP001019- SKU:
- HP001019
- Height Options:
- 16 Inch
- Truck Class:
- Heavy Duty
- Light Options:
- Without Lights
- Make:
- Peterbilt
- Style Options:
- Set Forward Axle
- Material Options:
- Steel
- Finish Options:
- Chrome-Plated
- Type Options:
- Standard Mount
- Product Type:
- Bumpers
$820.99Qty in Cart: 0Price:$820.99Subtotal: -
FREE SHIPPING
Exhaust Manifold Kit - Replaces 150-1914 & 133-3359 For Caterpillar C15 Engine
AKMI
$649.99Caterpillar C15 Exhaust Manifold KitRestore top-tier performance to your Caterpillar C15 with this expertly crafted Exhaust Manifold Kit. Featuring a cast-iron three-piece construction, this kit...29-071501914- SKU:
- 29-071501914
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$649.99Qty in Cart: 0Price:$649.99Subtotal: -
Cummins 3 Piece Exhaust Manifold Kit For NT855 Late Style, Small Cam, Big Cam, I, II, III, IV & Nt88 By BESTfit
BESTFIT TRUCK PARTS
$592.99BESTfit Exhaust Manifold - Replaces 3801915, 3053137, 3053138 & 3052859Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The...29-073801915- SKU:
- 29-073801915
- Truck Class:
- Heavy Duty
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$592.99Qty in Cart: 0Price:$592.99Subtotal: -
BESTfit Fan Hub For Freightliner Blue Bird Replaces 01998160, 1301840700, 144533
BESTFIT TRUCK PARTS
$1,170.99Fan Hub By BESTfit Replaces 01998160, 1301840700, 144533 Fits Freightliner Blue BirdUpgrade your cooling system with the BESTfit Fan Hub, a direct replacement for OEM part numbers 01998160,...29-07060199- SKU:
- 29-07060199
- Product Type:
- Engine Parts
- Style Options:
- Caterpillar
- Make:
- Freightliner
- Make:
- Bus
$1,170.99Qty in Cart: 0Price:$1,170.99Subtotal: -
BESTfit Viscous Directly Controlled Fan Clutch For Blue Bird Cummins ISB Replaces 10019224, 23763152, 452100118003
BESTFIT TRUCK PARTS
$1,490.99Viscous Directly Controlled Fan Clutch By BESTfit Replaces 10019224, 23763152, 452100118003 Fits Blue Bird Cummins ISBUpgrade your cooling system with the BESTfit Viscous Directly Controlled Fan...29-07060195- SKU:
- 29-07060195
- Style Options:
- Cummins
- Product Type:
- Engine Parts
- Make:
- Bus
$1,490.99Qty in Cart: 0Price:$1,490.99Subtotal: -
Rear Driveshaft Assembly Replaces 15093867, 22760944, 23251181 For Chevrolet, GMC 2007, 2014-2019
DAYTON / DORMAN
$855.99Rear Driveshaft Assembly - Replaces 23251182, 23426693, 84202538 & 84202539* High Quality Rear Driveshaft Assembly* Made Of Aluminum* Driveshaft Length (In): 91.78 In* Driveshaft Wall Thickness (In):...12-052100019- SKU:
- 12-052100019
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Product Type:
- Frame & Chassis
$855.99Qty in Cart: 0Price:$855.99Subtotal: -
BESTfit Electromagnetic Directly Controlled Fan Clutch Replaces 10019112, 120822, 1304720003 For Blue Bird Vision Bus & Cummins ISB 6.7L Engines
BESTFIT TRUCK PARTS
$1,837.99Electromagnetic Directly Controlled Fan Clutch By BESTfit Replaces 10019112, 120822, 1304720003Upgrade your cooling system with the BESTfit Electromagnetic Directly Controlled Fan Clutch, a direct...29-07060194- SKU:
- 29-07060194
- Product Type:
- Engine Parts
- Style Options:
- Cummins
- Make:
- Universal Items
$1,837.99Qty in Cart: 0Price:$1,837.99Subtotal: