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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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On SaleLimited Quantity Available
BESTfit Intermediate Pipe Replaces 04-26247-014 For Freightliner Cascadia With Detroit Engine
BESTFIT TRUCK PARTS
Now: $111.88Was: $498.99BESTfit Intermediate Pipe Fits FreightlinerRestore your Freightliner Cascadia's exhaust efficiency with the BESTfit Intermediate Pipe, crafted to replace OEM 04-26247-014 for Detroit engines...03-08170140- SKU:
- 03-08170140
- Truck Class:
- Heavy Duty
- Style Options:
- Detroit
- Material Options:
- Aluminized Steel
- Make:
- Freightliner
- Product Type:
- Exhaust
- Ready To Ship:
- Yes
Now: $111.88Was: $498.99Qty in Cart: 0Price:Now: $111.88Was: $498.99Subtotal: -
FREE SHIPPING OVER $249
5 Inch Aluminized Multi-Bend Turbo Pipe Replaces 04-17094-014 For Freightliner FLD112, FLD120
AFTERMARKET
$127.99Multi-Bend 5 Inch Aluminized Turbo Pipe Without Pyrometer Fitting Fits Freightliner FLD* High Quality Multi-Bend Turbo Pipe* Made Of Aluminized Steel* Multi-Bend Turbo Pipe For Freightliner* 5 Inch...03-08140140- SKU:
- 03-08140140
- Product Type:
- Exhaust
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Finish Options:
- Chrome-Plated
- Make:
- Freightliner
- Ready To Ship:
- Yes
$127.99Qty in Cart: 0Price:$127.99Subtotal: -
BESTfit Bronze Bushing 11/16 OD X 9/16 ID X 1-3/4 Inch
BESTFIT TRUCK PARTS
$8.09BESTfit 1.75 Inch Bronze Bushing Replaces 1407700, 01407700, 014-077-00* High Quality Bushing* Bronze* Dimensions: - 1.75 Inch Length - 0.688 Inch OD - 0.563 Inch ID* Sold Individually * Warranty On...09-05090014- SKU:
- 09-05090014
- Diameter Options:
- 1/2 Inch
- Material Options:
- Bronze
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$8.09Qty in Cart: 0Price:$8.09Subtotal: -
3 Layer Replacement Air Filter Wrap For 29-071300012 High Performance Air Filter For Ford, Freightliner & International
FLEET FILTERS
$195.993 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-071300012* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...29-071300014- SKU:
- 29-071300014
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Product Type:
- Engine Parts
$195.99Qty in Cart: 0Price:$195.99Subtotal: -
High Flow Performance Air Filter With Washable Element Media For Kenworth, Peterbilt & Western Star - Pair
FLEET FILTERS
$839.99High Performance Air Filter Media Fits Kenworth, Peterbilt, Western Star - PairYou never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only...29-090500014- SKU:
- 29-090500014
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Exterior
$839.99Qty in Cart: 0Price:$839.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 2880168, 2607031C1 For Cummins ISX Engines
GLOBAL EMISSIONS
$1,790.991-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...29-080600014- SKU:
- 29-080600014
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- International
- Product Type:
- Exhaust
$1,790.99Qty in Cart: 0Price:$1,790.99Subtotal: -
FASS Drop- In Series Fuel System Filter Pack W/ 2 Coalescing Water Separator Filters & 2 Extended Length Particulate Filters
FASS
$120.99Drop- In Series Fuel System Filter Pack W/ 2 Coalescing Water Separator Filters & 2 Extended Length Particulate FiltersEnhance fuel system reliability with this FASS Drop-In Series Filter Pack for...09-07030014- SKU:
- 09-07030014
- Product Type:
- Engine Parts
- Make:
- Universal Items
$120.99Qty in Cart: 0Price:$120.99Subtotal: -
FASS Fuel Filter Housing Delete For Cummins 6.7L Engine 2019 & Newer
FASS
$63.99Fuel Filter Housing DeleteBuilt for performance and clean installation, the FASS Fuel Filter Housing Delete for 2019-2022 Ram 6.7L Cummins engines removes the factory engine-mounted fuel filter...29-070300014- SKU:
- 29-070300014
- Style Options:
- Cummins
- Product Type:
- Engine Parts
- Make:
- Universal Items
$63.99Qty in Cart: 0Price:$63.99Subtotal: -
On SaleFREE SHIPPING OVER $249Limited Quantity Available
1.5 X 5 Inch Crankcase Ventilation Filter Replacement - Replaces 5263190, CV50628
DAYTON / DORMAN
Now: $25.25Was: $126.991.5 X 5 Inch Crankcase Ventilation Filter Replacement* High Quality Crankcase Ventilation Ideal Replacement* Filter Housing Included: Yes* Filter Media Material: Polypropylene* Finish: Black* Height:...29-071200014- SKU:
- 29-071200014
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
Now: $25.25Was: $126.99Qty in Cart: 0Price:Now: $25.25Was: $126.99Subtotal: -
Steel 25 Gallon Side-Mount Hydraulic Reservoir W/ 10 Micron Filter
BUYERS PRODUCTS
$483.9925 Gallon Hydraulic Reservoir With 10 Micron Filter* High Quality Carbon Steel Hydraulic Reservoir* Color Powder Coat Black* Dimensions - 25 Gallon Capacity - 16 Inch Length - 22.25 Inch Width -...09-02500014- SKU:
- 09-02500014
- Color:
- Black
- Truck Class:
- Universal
- Height Options:
- 20 Inch
- Width Options:
- 22 Inch
- Length Options:
- 16 Inch
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Cargo Control
- Shape Options:
- Rectangular
- Finish Options:
- Black Powder Coat
- Capacity:
- 25 Gallons
- Type Options:
- Side Mount
$483.99Qty in Cart: 0Price:$483.99Subtotal: -
Drag Link 31.25 Inch C To C - L24VU8460A11 For Kenworth T800
AFTERMARKET
$315.9931.25 Inch C To C Drag Link Replaces L24VU8460A11, L-24-VU-8460-A-11* High Quality Drag Link* 31.25 Inch C To C* 14.50 Inch E To E* Shaft Side Thread- 1-1/8 Inch-12 (Right Hand)* Gender- Male* Made...02-05090014- SKU:
- 02-05090014
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Length Options:
- 31 1/4 Inch
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$315.99Qty in Cart: 0Price:$315.99Subtotal: -
304 Stainless Steel Hi-Rise Pro Sleeper Rear Vertical Extension Trims For International 9900i/ix
ROADWORKS
$251.99Stainless Steel Hi-Rise Pro Sleeper Rear Vertical Extension Trims Fit International 9900i/ix* High Quality Extension Trims* Made Of 304 Stainless Steel* Bolt Mount* Fits Truck With External Breathers...07-101400003- SKU:
- 07-101400003
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- International
- Product Type:
- Exterior
$251.99Qty in Cart: 0Price:$251.99Subtotal: -
430 Stainless Steel Hi-Rise Pro Sleeper Rear Vertical Extension Trims For International 9900i/ix
ROADWORKS
$200.99430 Stainless Steel Hi-Rise Pro Sleeper Rear Vertical Extension Trims Fits International 9900i & 9900ix* High Quality Extension Trims* Made Of 430 Stainless Steel* Hi-Rise Pro Sleeper Lower Rear...07-101400002- SKU:
- 07-101400002
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- International
- Product Type:
- Exterior
$200.99Qty in Cart: 0Price:$200.99Subtotal: -
Caterpillar C-15 9 Gallon Oil Pan, Replaces 1601428 By BESTfit
BESTFIT TRUCK PARTS
$906.99BESTfit Caterpillar C-15 Oil PanThis high quality aluminum aftermarket 9 gallon oil pan that fits Caterpillar C-15 replaces Caterpillar 160-1428 and has a warranty of 1 year.* High Quality Oil Pan*...09-071601428- SKU:
- 09-071601428
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminum
- Make:
- International
- Make:
- Western Star
- Make:
- Freightliner
- Make:
- Volvo
- Make:
- Kenworth
- Make:
- Peterbilt
- Capacity:
- 9 Gallons
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$906.99Qty in Cart: 0Price:$906.99Subtotal: -
Aluminized Steel Exhaust Elbow Replaces 04-17094-014 For Freightliner
UNITED PACIFIC
$135.99Aluminized 5 Inch OD Exhaust ElbowUpdate your exhaust with this Freightliner turbo elbow. It has a 5 inch outer diameter and replaces part number 04-17094-014. Constructed to be rust resistant, it is...03-08070004- SKU:
- 03-08070004
- Material Options:
- Aluminized Steel
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Style Options:
- Elbow Multi-Bend
- Make:
- Freightliner
- Product Type:
- Exhaust
$135.99Qty in Cart: 0Price:$135.99Subtotal: -
11 Tooth Air Compressor Extended Flange For Mack
AUTOMANN USA
$941.99Air Compressor Extended FlangeKeep your Mack truck's air system fully functional with this 11 Tooth Air Compressor with Extended Flange. Built to provide 145 PSI of reliable air pressure, it includes...11-070014- SKU:
- 11-070014
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Product Type:
- Engine Parts
$941.99Qty in Cart: 0Price:$941.99Subtotal: -
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: -
Door-Mounted Name Plate Replaces A22-68830-012, A22-68830-014 For Western Star 5700XE 2018-Current
OPP - ORIGINAL PARTS PROGRAM
$48.85Name Plate For Western Star 5700XE* High Quality Name Plate* Door Mounted * Sold Individually * Warranty On Name Plate Against Defects In Workmanship & Material From Date Of Purchase* Replaces OE...14-0914001OE- SKU:
- 14-0914001OE
- Truck Class:
- Heavy Duty
- Make:
- Western Star
- OEM:
- OEM
- Product Type:
- Exterior
$48.85Qty in Cart: 0Price:$48.85Subtotal: -
FREE SHIPPING OVER $249
BESTfit AC Condenser 31.5 X 24 Inch For Kenworth T2000
BESTFIT TRUCK PARTS
$106.99BESTfit AC Condenser Fits Kenworth* High Quality AC Condenser* Inches Core Size - 31.500 Height - 24.000 Width - 0.625 Core Thickness* Sold Individually* Warranty On Condenser Against Defects In...02-070014- SKU:
- 02-070014
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Engine Parts
$106.99Qty in Cart: 0Price:$106.99Subtotal: -
FASS Titanium Signature Series Diesel Fuel Lift Pump 100GPH For GM Duramax 6.6L 2011-2014
FASS
$727.99100GPH Diesel Fuel Lift Pump* High Quality Diesel Fuel Lift Pump* Aluminum Housing* New Bolt On Bracket Installation* Preset 8-10 PSI Fuel Pressure* 100 Gallons Per Hour Flow Rating* Removes Water...12-07030014- SKU:
- 12-07030014
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminum
- Make:
- Mack
- Product Type:
- Engine Parts
$727.99Qty in Cart: 0Price:$727.99Subtotal: