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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
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
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
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
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
Haul of Fame: Equipment Express's "Doc Holliday” A 2007 Peterbilt Legacy 379 Built to Legend(Post)Why "Doc Holliday" Earns a Spot in the Haul of Fame Every now and then, a truck rolls through that stops you dead in your tracks. "Doc Holliday," the custom 2007 Peterbilt Legacy 379 built by Equipmen
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BESTfit 13 Inch Air Cleaner With Brackets For Freightliner Classic 120/XL 132
BESTFIT TRUCK PARTS
$1,125.99Are you looking for new air cleaners? Stop searching, 4 State Trucks have got you covered. An air cleaner is an essential part of your truck, because it keeps small particles like dirt from hurting...PPR_22753- SKU:
- PPR_22753
- Truck Class:
- Heavy Duty
- Style Options:
- Donaldson Style
- Material Options:
- Stainless Steel
- Make:
- Freightliner
- Finish Options:
- Polished
- Product Type:
- Exterior
- Light Options:
- Without Lights
- Diameter Options:
- 13 Inch
- Height Options:
- 29 Inch
- Ready To Ship:
- Yes
$1,125.99Qty in Cart: 0Price:$1,125.99Subtotal: -
FREE SHIPPING OVER $249
DV2 Auto Air Drain Valve - Replaces 101321N
OPP - ORIGINAL PARTS PROGRAM
$113.99Side Mount Auto Air Drain Valve* High Quality Auto Air Drain Valve * Side Mount * Maximum Operating Temperature 100 Degrees F (38 Degrees C)* Minimum Operating Temperature -40 Degrees F (-40 Degrees...101321N- SKU:
- 101321N
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminum
- Product Type:
- Frame & Chassis
$113.99Qty in Cart: 0Price:$113.99Subtotal: -
FREE SHIPPING OVER $249
Cab Fresh Air Filter For Freightliner Classic & FLD
CAB FRESH FILTER CO.
$16.87 - $44.55The Cab Fresh air filter is designed to help maintain cleaner air inside the cab by reducing dust, soot, and other airborne contaminants. Built as a replacement filter option that fits select...PPR_202785- SKU:
- PPR_202785
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Cloth
- Make:
- Freightliner
- Product Type:
- Interior
- Ready To Ship:
- Yes
$16.87 - $44.55Qty in Cart: 0Price:$16.87 - $44.55Subtotal: -
SS Guide 682-C 11 Diode High Power LED Headlight W/ 5 Diode Amber LED Turn Signal Light For Peterbilt, Freightliner, International & Mack
UNITED PACIFIC
$236.99Stainless Steel Guide High Power LED Headlight W/ 5 Amber LED Turn Signal Signal Light* High Quality Headlight * 304 Stainless Steel Headlight Housing And Bezel* H6014 Halogen Seal Beam Headlight...29-160600132- SKU:
- 29-160600132
- Truck Class:
- Heavy Duty
- Shape Options:
- Round
- Make:
- International
- Make:
- Sterling
- Make:
- GMC
- Make:
- Peterbilt
- Make:
- Kenworth
- Make:
- Freightliner
- Make:
- Mack
- Material Options:
- Stainless Steel
- Product Type:
- Lighting
$236.99Qty in Cart: 0Price:$236.99Subtotal: -
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2.25 Inch C-C Cab Link Replaces 20-18088 For Peterbilt
AUTOMANN USA
$24.952.25 Inch Center To Center Cab Link Fits PeterbiltDrive with stability and reliability using this 2.25 Inch C-C Cab Link, engineered to replace 20-18088 for Peterbilt models. Crafted from premium...01-091323- SKU:
- 01-091323
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$24.95Qty in Cart: 0Price:$24.95Subtotal: -
BESTfit Charge Air Cooler 41.25 X 24.68 X 1.63 Inch Replaces 2587236C91, 2586329C91 For International 7000 WorkStar 2002-2007
BESTFIT TRUCK PARTS
$1,623.99Tube & Fin Charge Air Cooler W/ 4.5 Inch Inlet & Outlet By BESTfit Replaces 2587236C91, 2586329C91* High Quality CAC Tube* Construction: Brazed* Core Size: - 41.25 Inch Height - 24.68 Inch Width ...07-070132- SKU:
- 07-070132
- Truck Class:
- Heavy Duty
- Make:
- International
- Product Type:
- Engine Parts
$1,623.99Qty in Cart: 0Price:$1,623.99Subtotal: -
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: -
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Cab Fresh Filter Only For Freightliner Cascadia, Century, Columbia & Coronado
CAB FRESH FILTER CO.
$17.91Cab Fresh Filter Only Fits FreightlinerFind your Cab Fresh Replacement Filter at 4 State Trucks. The highly effective filter is made with a primary layer and charcoal layer that traps and eliminates...03-091306- SKU:
- 03-091306
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Cloth
- Make:
- Freightliner
- Product Type:
- Exterior
$17.91Qty in Cart: 0Price:$17.91Subtotal: -
FREE SHIPPING OVER $249
Black Plastic Cab Fresh Filter For Freightliner Cascadia, Century, Columbia & Coronado
CAB FRESH FILTER CO.
$51.99Cab Fresh Filter Fits FreightlinerReplace your original filter with this cab fresh filter with a charcoal spor-ax antimicrobial layer. This charcoal layer has adsorption properties that help capture...03-091305- SKU:
- 03-091305
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Freightliner
- Color:
- Black
- Product Type:
- Exterior
$51.99Qty in Cart: 0Price:$51.99Subtotal: -
BESTfit Stainless Steel Grille Surround Kit W/ Driver/Passenger Side Trims & Top Crown For Freightliner Classic XL 132 Replaces 17-12311-000
BESTFIT TRUCK PARTS
$555.99Stainless Steel Grille Surround Kit W/ Driver/Passenger Side Trims & Top Crown By BESTfit Replaces 17-12311-000 Fits Freightliner Classic XL 132Upgrade your Freightliner Classic XL with our Stainless...03-1210500- SKU:
- 03-1210500
- Truck Class:
- Heavy Duty
- Style Options:
- Factory Style
- Material Options:
- Stainless Steel
- Make:
- Freightliner
- Product Type:
- Hood Parts & Acc.
- Ready To Ship:
- Yes
$555.99Qty in Cart: 0Price:$555.99Subtotal: -
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CAT Fuel Filter FF5319 3406 C-E
OPP - ORIGINAL PARTS PROGRAM
$21.42FF5319 CAT Fuel Filter 3406 C-EThis Fleetguard Spin-On Fuel Filter actively filters and improves fuel efficiency for your vehicle. It removes contaminants, enhances engine performance, and reduces...FF5319FLG- SKU:
- FF5319FLG
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Freightliner
- Make:
- International
- Make:
- Other - Semi-Truck
- Make:
- Kenworth
- Make:
- Peterbilt
- Make:
- Mack
- Make:
- Volvo
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$21.42Qty in Cart: 0Price:$21.42Subtotal: -
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RoadWorks Stainless Steel Above Glove Box Trim For Freightliner FLD & Classic
ROADWORKS
$58.99Above Glove Box Trim Fits Freightliner* High Quality Above Glove Box Trim* Made Of Stainless Steel* Made In USA* Sold Individually* Warranty On Box Trim Against Defects In Workmanship & Material From...03-1501132- SKU:
- 03-1501132
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Freightliner
- Product Type:
- Interior
$58.99Qty in Cart: 0Price:$58.99Subtotal: -
AC & Heater Dashboard Accessory Set For Freightliner
GRAND GENERAL
$71.99AC & Heater Dashboard Accessory Set* High Quality Heater Bezel* Chrome-Plated Plastic* Stainless Steel Plate & Small Dash Screw Included* Without Recycle Hole* Sold Individually* Warranty On Heater...03-1502132- SKU:
- 03-1502132
- Finish Options:
- Chrome-Plated
- Material Options:
- Stainless Steel
- Product Type:
- Interior
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
$71.99Qty in Cart: 0Price:$71.99Subtotal: -
20 Inch Adjustable Torque Rod, 1-1/4 Inch Replaces 90045537
AFTERMARKET
$336.9920.00 Inch C To C Torque Rod Replaces 90045537* High Quality Torque Rod * 20.00 Inch C To C* Shaft Diameter- 1-1/4 Inch* (2) Torque Rod Bushing* Side A And B- Straddle* Side A Angle 5 Degrees* Side B...29-05090132- SKU:
- 29-05090132
- Length Options:
- 20 Inch
- Material Options:
- Plastic/Poly
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$336.99Qty in Cart: 0Price:$336.99Subtotal: -
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: -
Valley Chrome 18 Inch Chrome Texas Rolled End Bumper, 7 Gauge For Freightliner Classic 120, 132 XL 2000-2002
VALLEY CHROME PLATING
$587.99 - $692.99Add a bold upgrade to your truck with an 18-inch chrome Texas rolled end bumper. Built from heavy-duty 7-gauge chrome-plated steel, this bumper offers a strong, corrosion-resistant construction...PPR_203078- SKU:
- PPR_203078
- Height Options:
- 18 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Style Options:
- Texas Rolled End
- Material Options:
- Steel
- Make:
- Freightliner
- Finish Options:
- Chrome-Plated
- Product Type:
- Bumpers
- Ready To Ship:
- Yes
$587.99 - $692.99Qty in Cart: 0Price:$587.99 - $692.99Subtotal: -
RigMaster AC Compressor - Serpentine Pulley For CAT/Perkins Later 14-6 to T4-6
RIGMASTER
$432.99Replacement for Older Hodyon Compressor* High Quality A/C Serpentine Belt Compressor* Sold Individually* Warranty On A/C Serpentine Belt Compressors Against Defects In Workmanship & Material From...RP9132- SKU:
- RP9132
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminum
- Make:
- Universal Items
- Product Type:
- Engine Parts
$432.99Qty in Cart: 0Price:$432.99Subtotal: -
BESTfit Fiberglass Hood W/ 71 Inch Centerline & Fenders For Freightliner Classic XL 132 Replaces A17-12562-001
BESTFIT TRUCK PARTS
$2,938.99Fiberglass Hood W/ 71 Inch Centerline & Fenders By BESTfit Replaces A17-12562-001 Fits Freightliner Classic XL 132Restore the bold, iconic look of your Freightliner Classic XL 132 with the BESTfit...03-12501- SKU:
- 03-12501
- Truck Class:
- Heavy Duty
- Material Options:
- Fiberglass
- Finish Options:
- Paintable
- Make:
- Freightliner
- Length Options:
- 132 BBC
- Product Type:
- Hood Shell
- Ready To Ship:
- Yes
$2,938.99Qty in Cart: 0Price:$2,938.99Subtotal: -
Roadworks Blank Stainless Steel Monster Drop Bowtie Visor- Blind Mount For Freightliner Classic & FLD W/ Door Mounted Mirrors
ROADWORKS
$520.99Blank SS Blind Mount Monster Drop Bowtie Visor By Roadworks Fits Freightliner W/ Door Mounted MirrorsGive your Freightliner Classic or FLD a commanding presence with the Roadworks Blank Stainless...03-09003132- SKU:
- 03-09003132
- Material Options:
- Stainless Steel
- Product Type:
- Exterior
- Location:
- Made In USA
- Cab Style:
- Flat Top
- Type Options:
- Blind Mount
- Style Options:
- Bow Tie
- Make:
- Freightliner
$520.99Qty in Cart: 0Price:$520.99Subtotal: -
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: