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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
The Best Steering Wheel Spinner Knobs for 2026(Post)It's a small, affordable accessory that drivers love. Yup. We're talking about semi truck spinner knobs. They give you better wheel control, reduce wrist fatigue, and help you make smoother turns in t
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
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FREE SHIPPING OVER $249
Interior Fresh Air Filter For Peterbilt
CAB FRESH FILTER CO.
$22.07Peterbilt Interior Fresh Air Filter AssemblyKeep the inside of your cab fresh with this aftermarket interior filter from CAB Fresh. This filter features internal antimicrobials that stops mold...01-1503026- SKU:
- 01-1503026
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Cloth
- Make:
- Peterbilt
- Product Type:
- Interior
- Ready To Ship:
- Yes
$22.07Qty in Cart: 0Price:$22.07Subtotal: -
3 Layer Replacement Air Filter Wrap For 29-071300024 High Performance Air Filter For Kenworth & Peterbilt
FLEET FILTERS
$195.993 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-071300024* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...29-071300026- SKU:
- 29-071300026
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Engine Parts
$195.99Qty in Cart: 0Price:$195.99Subtotal: -
3 Layer Replacement Air Filter Wrap For 29-090500024 High Performance Air Filter For Kenworth & Peterbilt
FLEET FILTERS
$383.993 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-090500024* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...29-090500026- SKU:
- 29-090500026
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Exterior
$383.99Qty in Cart: 0Price:$383.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 1827310PEX For Cummins ISX Engine
GLOBAL EMISSIONS
$2,102.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM...29-080600026- SKU:
- 29-080600026
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$2,102.99Qty in Cart: 0Price:$2,102.99Subtotal: -
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Isspro Tube Style Fuel Sender Replaces 11-03997-026 For Peterbilt, Mack & Volvo W/ 26 Inch Fuel Tank
ISSPRO
$113.9926 Inch Tank Fuel Sender By IssproAt 4 State Trucks, we offer top of the line aftermarket Isspro fuel senders for 26-inch diameter tanks. This fuel sender fits multiple Mack, Peterbilt, and Volvo...29-060302- SKU:
- 29-060302
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Style Options:
- Tube
- Make:
- Peterbilt
- Make:
- Volvo
- Product Type:
- Fuel Tanks
- Ready To Ship:
- Yes
- Shape Options:
- Cylindrical
- Make:
- Mack
- Diameter Options:
- 26 Inch
$113.99Qty in Cart: 0Price:$113.99Subtotal: -
Steel Hydraulic Filter Bracket
BUYERS PRODUCTS
$16.95Hydraulic Filter BracketThe Steel Hydraulic Filter Bracket is your go-to solution for reliable filter mounting in hydraulic systems. Designed for HFA1, HFA2, and HFA3 series assemblies, this carbon...09-02500267- SKU:
- 09-02500267
- Material Options:
- Steel
- Product Type:
- Cargo Control
- Make:
- Universal Items
$16.95Qty in Cart: 0Price:$16.95Subtotal: -
26 GPM 1 Inch In- Tank Filter W/ 25 Micron & 25 PSI Bypass
BUYERS PRODUCTS
$138.9926 GPM 1 Inch In- Tank FilterRely on the 26 GPM 1 Inch In-Tank Filter to keep your fuel system clean and operating efficiently. With 25-micron filtration, 25 PSI bypass, and a 26 GPM flow rate, it...09-02500264- SKU:
- 09-02500264
- Product Type:
- Cargo Control
- Make:
- Universal Items
$138.99Qty in Cart: 0Price:$138.99Subtotal: -
50 GPM 1.25 Inch Return Line Filter W/ 10 Micron & 25 PSI Bypass
BUYERS PRODUCTS
$60.9950 GPM 1.25 Inch Return Line FilterDeliver superior hydraulic protection with the 50 GPM 1.25 Inch Return Line Filter, a durable, high-performance solution for high-demand systems. With a 10-micron...09-02500266- SKU:
- 09-02500266
- Product Type:
- Cargo Control
- Make:
- Universal Items
$60.99Qty in Cart: 0Price:$60.99Subtotal: -
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4 PSI R12 Air Valve Relay Replaces 102626, 86824R93, 745102626 & A86473
AUTOMANN USA
$45.90Air Valve R12 RelayAchieve consistent braking and suspension control with the 4 PSI R12 Air Valve Relay. This high-quality relay features 4 PSI crack pressure and precise airflow distribution...102626- SKU:
- 102626
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Air, Electrical, & Safety
$45.90Qty in Cart: 0Price:$45.90Subtotal: -
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: -
BESTfit 11 Inch Muffler Clamp
BESTFIT TRUCK PARTS
$54.99Universal Powder Coated Clamp For 11 Inch Mufflers* High Quality Muffler* 11 Inch* Made In USA* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From Date Of...09-0805026- SKU:
- 09-0805026
- Product Type:
- Exhaust
- Diameter Options:
- 11 Inch
- Make:
- Universal Items
$54.99Qty in Cart: 0Price:$54.99Subtotal: -
Driver/Passenger Side 10 X 2.25 Inch Electric Brake Assembly 023-026-00/023-027-00
AFTERMARKET
$69.99 - $79.99Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trailers10 X 2.25 Inch Electric Brake Assembly Driver Side 023-026-00Electric Trailer Brake Assembly - 3,500...PPR_299935- SKU:
- PPR_299935
- Truck Class:
- Heavy Duty
- Product Type:
- Trailer
- Make:
- Trailer
- Position:
- Driver Side
- Position:
- Passenger Side
- Rating:
- 3500 LBS
- Make:
- Universal Items
$69.99 - $79.99Qty in Cart: 0Price:$69.99 - $79.99Subtotal: -
On SaleLimited Quantity Available
TPHD 11 X 7.87 X 2.375 Inch AC Evaporator For International
TPHD
Now: $39.81Was: $100.99AC Evaporator 11 Inch x 7 Inch x 2.375 Inch For International ProStar/LoneStar/4100-4300-4400/5000-7000-8000* High Quality AC Evaporator In Aluminum* 8 Inch Width* 2.5 Inch Depth* 11 Inch Height* 0...07-070026- SKU:
- 07-070026
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminum
- Make:
- International
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
Now: $39.81Was: $100.99Qty in Cart: 0Price:Now: $39.81Was: $100.99Subtotal: -
11 Inch Stainless Steel Blind Mount Drop Visor For Peterbilt 300 Series
PHOENIX DESIGN
$439.9911 Inch Stainless Steel Blind Mount Drop Visor Fits Peterbilt 300 SeriesGive your Peterbilt flat or raised roof truck a rugged yet refined upgrade with the 11 Inch Stainless Steel Blind Mount Drop...01-090000026- SKU:
- 01-090000026
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Light Options:
- Without Lights
- Type Options:
- Blind Mount
- Product Type:
- Exterior
- Style Options:
- Drop
$439.99Qty in Cart: 0Price:$439.99Subtotal: -
VC 14 Inch Chrome Break Back Bumper W/ Open Ends & 2 Tow Pin Holes For Kenworth T800 & T880
VALLEY CHROME PLATING
$947.9914 Inch Chrome Break Back Bumper W/ Open Ends & 2 Tow Pin Holes By Valley Chrome Fits Kenworth T800 & T880* High Quality Replacement Bumper* Made Of 11-Gauge Stainless Steel* Open End Break Back...FN010026S- SKU:
- FN010026S
- Product Type:
- Bumpers
- Finish Options:
- Chrome-Plated
- Location:
- Made In USA
- Style Options:
- Single Break Back
- Height Options:
- 14 Inch
- Size Options:
- 10 Gauge
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Material Options:
- Stainless Steel
$947.99Qty in Cart: 0Price:$947.99Subtotal: -
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32 Inch Engine Fan Blade, 11 Blade - Replaces 4735-44003-12
OPP - ORIGINAL PARTS PROGRAM
$315.99Engine Cooling 32 Inch Fan Blade With 2.56 Inch Pilot HoleThis Engine Fan Blade with 11 blades is a reliable choice for your engine cooling needs and replaces the factory part. It measures 32 inches...29-070267- SKU:
- 29-070267
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$315.99Qty in Cart: 0Price:$315.99Subtotal: -
Merritt Dyna-Light Aluminum Cab Rack W/ Beacon Light Brackets 68 X 76 Inch
MERRITT
$6,315.99Cab Rack W/ Radius Corners, 2 Grab Handles, 18 Inch Door Enclosures & Air Line Bracket Between The Frame* High Quality Cab Rack* Includes: - (2) Beacon Light Brackets - (2) 18 Inch Door Enclosures...318381M0266- SKU:
- 318381M0266
- Material Options:
- Aluminum
- Product Type:
- Cargo Control
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
$6,315.99Qty in Cart: 0Price:$6,315.99Subtotal: -
Service Repair Kit W/ Pivot Bushing, Cap Screw, Washer, 1-1/8 Inch Lock Nut For Neway
AFTERMARKET
$281.99Service Repair Kit Replaces E9300A. 2501619C91. 48100260* High Quality Service Repair Kit* Consists Of - (2) Pivot Bushing - (2) 1-1/8 Inch X 9-1/2 Inch Cap Screw - (4) Washer - 1-1/8in ID x 4.0in...29-05100026- SKU:
- 29-05100026
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Other - Semi-Truck
- Product Type:
- Frame & Chassis
$281.99Qty in Cart: 0Price:$281.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 3103617, 3976606, 3978026 For Cummins ISC Engine
BESTFIT TRUCK PARTS
$2,135.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISC Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM...29-080600039- SKU:
- 29-080600039
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$2,135.99Qty in Cart: 0Price:$2,135.99Subtotal: -
FREE SHIPPING OVER $249
Pre-Filter For Air Cleaner For Kenworth & Peterbilt
CAB FRESH FILTER CO.
$33.71Pre-Filter For Air Cleaner Fits Kenworth & PeterbiltWe offer aftermarket CAB Fresh pre-filters for air cleaners that fits Kenworth T680, T880, Peterbilt 567 and 579 big rigs. It features activated...29-0905708- SKU:
- 29-0905708
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Cloth
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Exterior
- Ready To Ship:
- Yes
$33.71Qty in Cart: 0Price:$33.71Subtotal: