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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
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
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
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
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
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
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
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
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 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
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
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
How to Buy the Right Peterbilt 379 Radiator(Post)If you want to keep your diesel engine from overheating you need a well-functioning replacement Peterbilt radiator to properly carry the hot coolant through small passages, transfer engine heat into t
Blatant Signs Your Turbocharger is Failing (And When to Replace it) (Post)If your semi truck turbocharger is failing, you'll encounter a few common signs. In this post, we'll cover what those are, and similar symptoms that aren't actually the turbo, but a related part. Sig
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.
What are Semi Truck Winter Fronts?(Post)A semi-truck winter front is a heavy-duty, weather-resistant cover designed to mount directly over a truck’s front grille. Typically manufactured from reinforced vinyl, canvas, or quilted fabric, it s
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
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
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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5 Inch Aluminized Multi-Bend Turbo Pipe Replaces 04-17094-015 For Freightliner FLD112, FLD120
BESTFIT TRUCK PARTS
$216.99Multi-Bend 5 Inch Aluminized Turbo Pipe With Pyrometer Fitting Fits Freightliner FLD* High Quality Multi-Bend Turbo Pipe* Made Of Aluminized Steel* Multi-Bend Turbo Pipe For Freightliner* 5 Inch...03-08140150- SKU:
- 03-08140150
- Product Type:
- Exhaust
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Finish Options:
- Chrome-Plated
- Make:
- Freightliner
$216.99Qty in Cart: 0Price:$216.99Subtotal: -
On SaleFREE SHIPPING OVER $249Limited Quantity Available
Chrome AC Heater Filter Door For Peterbilt
UNITED PACIFIC
Now: $21.74Was: $31.06Air Filter Door Fits Peterbilt* High Quality Filter Door* Made Of Chrome Plated Plastic* Sold Individually* Warranty On Filter Door Against Defects In Workmanship & Material From Date Of...01-1503015- SKU:
- 01-1503015
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Peterbilt
- Finish Options:
- Chrome-Plated
- Product Type:
- Interior
- Ready To Ship:
- Yes
Now: $21.74Was: $31.06Qty in Cart: 0Price:Now: $21.74Was: $31.06Subtotal: -
FREE SHIPPING
BESTfit 5 Inch OD Chrome 90 Degree Exhaust Elbow For Freightliner Classic & FLD
BESTFIT TRUCK PARTS
$336.99BESTfit Chrome-Plated Steel Exhaust Elbow W/ 5 Inch O.D. Inlet & Outlet* High Quality Exhaust Elbows* Made Of Chrome-Plated Steel* 5 Inch OD/OD* 24 Inch Overall Length (13x11)* 5.50 Inch Centerline...03-08106015- SKU:
- 03-08106015
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5 Inch
- Style Options:
- Elbow
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Freightliner
- Finish Options:
- Chrome-Plated
- Product Type:
- Exhaust
- Ready To Ship:
- Yes
$336.99Qty in Cart: 0Price:$336.99Subtotal: -
High Flow Performance Air Filter With Washable Element Media For International 9000 Series & Peterbilt 348
FLEET FILTERS
$444.99High Performance Air Filter Media Fits International 9000 SeriesYou never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only lifetime, washable,...29-071300015- SKU:
- 29-071300015
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Engine Parts
$444.99Qty in Cart: 0Price:$444.99Subtotal: -
Drag Link 23.25 Inch C To C Replaces 15123675, 15790152, And 15943453 For Chevrolet / GMC
AFTERMARKET
$155.9923.25 Inch Long C To C Drag Fits Chevrolet / GMC* High Quality Drag Link* 23.25 Inch C To C* 14.50 Inch E To E* Shaft Diameter- 1.315 Inch* Shaft Side Thread- 1-1/8 Inch-12 Passenger Side* Taper Pin...12-05090015- SKU:
- 12-05090015
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Length Options:
- 23 1/4 Inch
- Make:
- Chevrolet
- Make:
- GMC
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$155.99Qty in Cart: 0Price:$155.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 2606777C1, 2817962C91 For Cummins ISM/ISL Engines
GLOBAL EMISSIONS
$1,920.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISM & ISL Engines* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability*...29-080600015- SKU:
- 29-080600015
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$1,920.99Qty in Cart: 0Price:$1,920.99Subtotal: -
FASS Drop- In Series Fuel System Filter Pack W/ 3 Extreme Water Separator Filters & 3 Particulate Filters
FASS
$163.99Drop- In Series Fuel System Filter Pack W/ 3 Extreme Water Separator Filters & 3 Particulate FiltersImprove fuel system protection and filtration performance with this FASS Drop-In Series Fuel System...09-07030015- SKU:
- 09-07030015
- Product Type:
- Engine Parts
- Make:
- Universal Items
$163.99Qty in Cart: 0Price:$163.99Subtotal: -
Engine Oil Filter Screw Cap For PACCAR MX13 Engine Replaces 1876740, 1876740, 1936324, 1936324, 1948922, 2011888
AUTOMANN USA
$69.99PACCAR MX13 Engine Oil Filter Screw CapEnsure your PACCAR MX13 engine continues to operate efficiently with this replacement Engine Oil Filter Screw Cap. Its centrifugal screw-on design with included...29-072000015- SKU:
- 29-072000015
- Style Options:
- Paccar
- Product Type:
- Engine Parts
- Make:
- Universal Items
$69.99Qty in Cart: 0Price:$69.99Subtotal: -
FREE SHIPPING
Jost 5th Wheel Air Cylinder Replaces SK7501503
AUTOMANN USA
$258.99Air Cylinder With 12 Inch Center To Center Mounting HolesThis air cylinder offers reliable performance for your rigs Jost 5th wheel slider. Featuring a 7.572-inch cylinder and .408-inch shaft, this...09-051100015- SKU:
- 09-051100015
- Length Options:
- 12 Inch
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$258.99Qty in Cart: 0Price:$258.99Subtotal: -
FREE SHIPPING
BESTfit 8 To 5 Inch OD Chrome Exhaust Elbow Replaces 14Zflx-60158050Cp For Freightliner Classic & FLD
BESTFIT TRUCK PARTS
$501.998 To 5 Inch OD Exhaust Elbow By BESTfit Fits FreightlinerRestore proper exhaust alignment on your Freightliner Classic or FLD with the BESTfit 8 to 5 Inch OD Chrome Exhaust Elbow. Crafted from...03-081856015- SKU:
- 03-081856015
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Freightliner
- Finish Options:
- Chrome-Plated
- Style Options:
- Elbow
- Product Type:
- Exhaust
- Diameter Options:
- 8 To 5 Inch
- Ready To Ship:
- Yes
$501.99Qty in Cart: 0Price:$501.99Subtotal: -
BESTfit Camshaft Bushing 1.50 ID X 2.469 OD X 1.75 Inch Replaces M10WJ237X, E9792A, R617015
BESTFIT TRUCK PARTS
$8.351.50 ID X 2.469 OD X 1.75 Inch Camshaft Bushing By BESTfitDepend on this BESTfit Camshaft Bushing to provide long-lasting, low-maintenance performance for your axles. Replacement for M10WJ237X,...09-05170150- SKU:
- 09-05170150
- Diameter Options:
- 2 1/2 Inch
- Length Options:
- 1 3/4 Inch
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$8.35Qty in Cart: 0Price:$8.35Subtotal: -
On Sale
Vortox 13 Inch Air Cleaner Assembly Driver Side For Freightliner Classic 120/ XL 132
PANELITE
Now: $732.11Was: $959.99Freightliner Classic Vortox Air Cleaner Assembly Fits Freightliner Classic 120/ XL 132* High Quality Air Cleaner* Vortox Style* 13 Inch Diameter* Driver Side* Sold Individually* Warranty On Air...01015912- SKU:
- 01015912
- Make:
- Freightliner
- Height Options:
- 13 Inch
- Position:
- Driver Side
- Product Type:
- Exterior
- Ready To Ship:
- Yes
Now: $732.11Was: $959.99Qty in Cart: 0Price:Now: $732.11Was: $959.99Subtotal: -
Drag Link 27.625 Inch C To C Replaces 4C403304DA For Ford F650, F750
AFTERMARKET
$288.9927.625 Inch C To C Drag Link Replaces 4C403304DA, 4C4O3304DA, 4C4Z3304DA, L20VU8141A11Ensure your Ford F650 or F750 maintains precise steering control with this premium Drag Link. Featuring 27.625...05-05090015- SKU:
- 05-05090015
- Material Options:
- Steel
- Length Options:
- 14 1/2 Inch
- Truck Class:
- Heavy Duty
- Make:
- Ford
- Product Type:
- Frame & Chassis
$288.99Qty in Cart: 0Price:$288.99Subtotal: -
Radiator Support Rod 25.25 Inch Offset C To C For Peterbilt
AFTERMARKET
$132.99Replacement Radiator Support Rod W/ 2 OEM B70879 Ends & 17 MM ID X 33 MM SleeveStrengthen your truck's cooling system with the Radiator Support Rod, designed to provide sturdy support and reduce...01-070200015- SKU:
- 01-070200015
- Truck Class:
- Heavy Duty
- Product Type:
- Engine Parts
- Material Options:
- Steel
- Make:
- Peterbilt
$132.99Qty in Cart: 0Price:$132.99Subtotal: -
Drag Link 28.125 Inch C To C Replaces 14-17553-000 For Freightliner
AFTERMARKET
$174.9928.125 Inch C To C Drag Link Replaces 14-17553-000, 1417553000Maintain precise, dependable steering on your Freightliner with this 28.125-inch drag link. With 28.125 inches C-to-C and 7/8 inch-14...03-05090015- SKU:
- 03-05090015
- Length Options:
- 28 Inch
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Product Type:
- Frame & Chassis
$174.99Qty in Cart: 0Price:$174.99Subtotal: -
A/C Control & Vent Trim For Peterbilt 379
VALLEY CHROME PLATING
$40.79Peterbilt 379 A/C Control & Vent Trim* High Quality Vent Trim* A/C Control* Sold Individually* Warranty On Vent Trims Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...01-15010015- SKU:
- 01-15010015
- Product Type:
- Interior
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
$40.79Qty in Cart: 0Price:$40.79Subtotal: -
Steel Center Suspension Fame Bracket 21.25 Inch C To C For Kenworth W/ AG230 And AG460 Suspension
AFTERMARKET
$1,676.9921.25 Inch C To C Center Suspension Frame Bracket* High Quality Frame Bracket* Steel* 21.25 Inch C To C* For Center Suspension* Made In USA* Sold Individually * Warranty On Frame Brackets Against...02-0510015- SKU:
- 02-0510015
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$1,676.99Qty in Cart: 0Price:$1,676.99Subtotal: -
Actuator Dump Pump- Metering
AFTERMARKET
$289.99Actuator Dump Pump Replaces C-3805-DM, C3805DM* High Quality Actuator Dump Pump* Metering* Hardware Included* Sold Individually* Warranty On Actuator Dump Pumps Against Defects In Workmanship &...09-02500154- SKU:
- 09-02500154
- Product Type:
- Cargo Control
- Make:
- Universal Items
$289.99Qty in Cart: 0Price:$289.99Subtotal: -
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: -
Drag Link 31.69 Inch C To C Replaces 10-02132, 10-02260, 10-02499 For Peterbilt 579, 587
AUTOMANN USA
$188.99Peterbilt Drag Link - Replaces L24VU7051B11, L24VU8001C11, L24VU8001C11K & L24VU8001C11LOptimize your vehicle's handling with the Drag Link 31.69 Inch C To C, built for Peterbilt 579 and 587. This...01-050900015- SKU:
- 01-050900015
- Length Options:
- 31 Inch
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$188.99Qty in Cart: 0Price:$188.99Subtotal: