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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 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
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
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.
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
CB Radios Ultimate Guide(Post)“10-4 Roger.” Despite the rise of messaging apps, GPS devices with voice-activated messaging, and push-to-talk (PTT) apps, the classic CB radio remains among the most trusted and well-used accessorie
What Should Be in a Semi Truck Emergency Kit? (Free PDF Checklist for Drivers)(Post)Semi-truck breakdowns cost money and time; but they aren't inevitable. With the right emergency accessories, truck drivers can minimize costly delays, tackle minor repairs on the fly, and safely power
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
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
Top 10 Semi Truck Winter Accessories for Heavy-Duty Drivers(Post)Winter truck driving can be downright trecherous to haul payloads in, especially when you don't have the right winter-ready trucker gear to get you through difficult drives in below-freezing temperatu
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
Haul of Fame: The Murder Pete Truck(Post)They call it the Murder Pete. Blacked-out, rugged, and raw, it’s a notorious big rig known for its “murdered out” style. Supported by the custom fab shop work of Chrome Shop Mafia (CMS) and supplied w
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
BESTfit 5 Inch Aluminized Multi-Bend Turbo Pipe Replaces 04-17094-020 For Freightliner FLD
BESTFIT TRUCK PARTS
$205.99BESTfit Multi-Bend 5 Inch Aluminized Turbo Pipe Without Pyrometer Fitting Fits Freightliner FLD* High Quality Turbo Exhaust Pipe* (2) 90 Degree Bends* Without Pyrometer Fitting* Made of Aluminized...03-08140200- SKU:
- 03-08140200
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Style Options:
- Flanged
- Material Options:
- Aluminized Steel
- Make:
- Freightliner
- Product Type:
- Exhaust
$205.99Qty in Cart: 0Price:$205.99Subtotal: -
3 Layer Replacement Air Filter Wrap For 29-071300018 High Performance Air Filter
FLEET FILTERS
$195.993 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-071300018* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...29-071300020- SKU:
- 29-071300020
- Truck Class:
- Heavy Duty
- Make:
- Volvo
- Product Type:
- Engine Parts
$195.99Qty in Cart: 0Price:$195.99Subtotal: -
On SaleLimited Quantity Available
High Flow Performance Air Filter With Washable Element Media For Peterbilt - Pair
FLEET FILTERS
Now: $325.13Was: $839.99High Performance Air Filter Media Fits Peterbilt - PairYou never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only lifetime, washable, high flow,...29-090500020- SKU:
- 29-090500020
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Exterior
Now: $325.13Was: $839.99Qty in Cart: 0Price:Now: $325.13Was: $839.99Subtotal: -
Stainless Steel Diesel Particulate Filter Replaces 23537225, A6804908692 For Detroit Diesel S60 Engine
GLOBAL EMISSIONS
$2,619.99Stainless Steel Diesel Particulate Filter Fits Detroit Diesel S60 Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And Gaskets Included* Sold Individually...29-080600020- SKU:
- 29-080600020
- Truck Class:
- Heavy Duty
- Style Options:
- Detroit
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$2,619.99Qty in Cart: 0Price:$2,619.99Subtotal: -
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Oil Filter Wrench For 3-1/2 Inch To 3-7/8 Inch Oil Filters
AFTERMARKET
$12.47Oil Filter WrenchEasily remove 3-1/2 inch to 3-7/8 inch spin on type of oil filters with this wrench. It is sold individually.* High Quality Wrench * For Oil Filter* 3-1/2 Inch to 3-7/8 Inch (89mm to...09-21000204- SKU:
- 09-21000204
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Tools
$12.47Qty in Cart: 0Price:$12.47Subtotal: -
Steel 36 Gallon Bulkhead Hydraulic Reservoir W/ 10 Micron Filter - Powder Coated Black
BUYERS PRODUCTS
$1,825.9936 Gallon Hydraulic Reservoir With 10 Micron FilterThis durable 36-gallon Bulkhead Hydraulic Reservoir is built from 12-gauge steel with a rust-resistant black powder-coated finish. It features a...09-02500020- SKU:
- 09-02500020
- Color:
- Black
- Truck Class:
- Universal
- Height Options:
- 26 Inch
- Width Options:
- 42 Inch
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Cargo Control
- Length Options:
- 8 1/2 Inch
- Capacity:
- 36 Gallons
- Finish Options:
- Black Powder Coat
- Type Options:
- Side Mount
- Size Options:
- 12 Gauge
$1,825.99Qty in Cart: 0Price:$1,825.99Subtotal: -
12-10 AWG Heat Shrink Flag .250 Male Quick Connect
SPECTRO WIRE
$1.01Heat Shrink Male Spade Terminal* High Quality Heat Shrink* 12-10 AWG * .250 Male Spade* Sold Individually* Warranty On Heat Shrinks Against Defects In Workmanship & Material From Date Of Purchase***...09-161302007- SKU:
- 09-161302007
- Product Type:
- Air, Electrical, & Safety
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
$1.01Qty in Cart: 0Price:$1.01Subtotal: -
Filter Door Panel Cover For Peterbilt 375, 377, 378 & 379
GRAND GENERAL
$13.33Peterbilt Filter Door Panel CoverEnhance the interior detail of your Peterbilt 375, 377, 378, or 379 with this high-quality filter door panel cover designed for Peterbilt 370 Series 1995 & later...01-15020306- SKU:
- 01-15020306
- Material Options:
- Stainless Steel
- Product Type:
- Interior
- Height Options:
- 4 1/2 Inch
- Width Options:
- 6 Inch
- Make:
- Peterbilt
$13.33Qty in Cart: 0Price:$13.33Subtotal: -
Stainless Steel DPF Cover For International LT 2018-Current
ROADWORKS
$478.99International LT Diesel Particulate Filter Cover By RoadWorks* High Quality DPF Cover* Made Of 430 Grade Stainless Steel * Cover Only* Does Not Include Step Or Brackets* Sold Individually* Warranty...07-050200002- SKU:
- 07-050200002
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- International
- Product Type:
- Fuel Tanks
$478.99Qty in Cart: 0Price:$478.99Subtotal: -
Aluminum HEXTHREAD ® Filter Cartridge Assembly Compatible With XTRACTOR ® XTR-7174 For Steer Axle
THE HUB CORPORATION
$41.99HEXTHREAD Filter Cartridge For Steer Axle ApplicationThe HEXTHREAD Filter Cartridge is a high-quality replacement filtration component designed specifically for steer axle hub caps equipped with the...09-20200618- SKU:
- 09-20200618
- Product Type:
- Wheels
- Make:
- Universal Items
$41.99Qty in Cart: 0Price:$41.99Subtotal: -
Stainless Steel A/C Cover With Filter Door For Peterbilt 1995-1999
VALLEY CHROME PLATING
$168.99A/C Cover With Filter Door* High Quality A/C Cover* A/C Replacement Cover For Peterbilt 370 Series 1995-1999* With Filter Door* Stainless Steel* Made In USA* Sold Individually* Warranty On A/C Covers...01-15020002- SKU:
- 01-15020002
- Material Options:
- Stainless Steel
- Product Type:
- Interior
- Location:
- Made In USA
- Make:
- Peterbilt
$168.99Qty in Cart: 0Price:$168.99Subtotal: -
Stainless Steel Cab Panels W/ 12 Amber LED 2 Inch Round Flat Lights For International ProStar
ROADWORKS
$626.99Cab Panels W/ 12 Amber LED 2 Inch Round Flat Lights Fits International ProStar* High Quality Cab Panels* Made Of Stainless Steel* Without Heater Plug* 12 -2 Inch Round Flat Amber LED/Amber Lens...07-091200209- SKU:
- 07-091200209
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Light Options:
- With Lights
- Material Options:
- Stainless Steel
- Make:
- International
- Finish Options:
- Polished
- Length Options:
- 52 Inch
- Product Type:
- Exterior
$626.99Qty in Cart: 0Price:$626.99Subtotal: -
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Aluminum HEXTHREAD ® Filter Cartridge Assembly Compatible With XTRACTOR ® XTR-8856 And XTRACTOR ® XTR-8058 For Trailer Axles
THE HUB CORPORATION
$45.99HEXTHREAD Filter Cartridge For Trailer Axle ApplicationsThe HEXTHREAD Filter Cartridge is a high-quality replacement filtration component designed for trailer axle hub caps using the XTRACTOR...19-20200031- SKU:
- 19-20200031
- Product Type:
- Trailer
- Material Options:
- Aluminum
- Make:
- Trailer
- Ready To Ship:
- Yes
$45.99Qty in Cart: 0Price:$45.99Subtotal: -
12 Inch 430 Stainless Steel Blank Rear Center Panel With Stainless Steel Back Plate
ROADWORKS
$226.99430 Stainless Steel Blank Rear Center Panel With Stainless Steel Back Plate* High Quality Rear Center Panel * Made Of 430 Stainless Steel * 12 Inch* Blank* With Stainless Steel Back Cover* Sold...09-011000202- SKU:
- 09-011000202
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Finish Options:
- Polished
- Product Type:
- Bumpers
$226.99Qty in Cart: 0Price:$226.99Subtotal: -
12 Inch 304 Stainless Steel Blank Rear Center Panel With Stainless Steel Back Plate
ROADWORKS
$240.99304 Stainless Steel Blank Rear Center Panel With Stainless Steel Back Plate* High Quality Rear Center Panel * Made Of 304 Stainless Steel * 12 Inch* Blank* With Stainless Steel Back Cover* Sold...09-011000203- SKU:
- 09-011000203
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Finish Options:
- Polished
- Product Type:
- Bumpers
$240.99Qty in Cart: 0Price:$240.99Subtotal: -
12 X 72 Inch Heavy Duty Oversize Load Sign
AFTERMARKET
$52.99Heavy Duty 12 X 72 Inch Oversize Load SignMark oversized loads with this heavy-duty 12x72 inch mesh banner. It features 10-inch letters printed on one side for easy visibility. The banner is made...09-020200020- SKU:
- 09-020200020
- Color:
- Yellow
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Air, Electrical, & Safety
$52.99Qty in Cart: 0Price:$52.99Subtotal: -
12 Inch Chrome Standard Tapered End Bumper, 7 Gauge W/ Bottom Step Hole For Mack R 1973-1989
VALLEY CHROME PLATING
$516.99Valley Chrome Tapered End Bumper W/ Bottom Step Hole Fits Mack R, RL, F, FL & FS ModelsIf you are in the market for a new or replacement bumper, look no further than this 7-gauge (3/16 inch thick)...GA020001- SKU:
- GA020001
- Height Options:
- 12 Inch
- Make:
- Mack
- Truck Class:
- Heavy Duty
- Light Options:
- Without Lights
- Style Options:
- Standard Rolled End
- Material Options:
- Steel
- Finish Options:
- Chrome-Plated
- Type Options:
- Standard Mount
- Size Options:
- 7 Gauge
- Product Type:
- Bumpers
$516.99Qty in Cart: 0Price:$516.99Subtotal: -
Stainless Rear Air Cleaner Panels W/ 12 - 3/4 Inch Light Holes For Freightliner Classic XL 1991-2010
PHOENIX DESIGN
$113.99Rear Air Cleaner Panels W/ 12 - 3/4 Inch Light Holes Fit Freightliner Classic XL 1991-2010* High Quality Rear Air Cleaner Panel * Made Of 304 Stainless Steel * 6 - 3/4 Inch Round Light Holes Per...03-090500020- SKU:
- 03-090500020
- Truck Class:
- Heavy Duty
- Light Options:
- Without Lights
- Material Options:
- Stainless Steel
- Make:
- Freightliner
- Finish Options:
- Polished
- Position:
- Rear
- Product Type:
- Exterior
$113.99Qty in Cart: 0Price:$113.99Subtotal: -
12 Inch Stainless Steel SBA Bumper With Tow Holes For Freightliner FL50, FL60, FL70, FL80
VALLEY CHROME PLATING
$1,056.99Freightliner 12 Inch Stainless Steel SBA Bumper By Valley Chrome* High Quality Bumper* Stainless Steel* 12 Inch Height* Has Cutouts For: - Tow Holes* Set Back Axle* Made In USA* Sold Individually *...CK002015S- SKU:
- CK002015S
- Material Options:
- Stainless Steel
- Height Options:
- 12 Inch
- Product Type:
- Bumpers
- Truck Class:
- Heavy Duty
- Style Options:
- Set Back Axle
- Make:
- Freightliner
$1,056.99Qty in Cart: 0Price:$1,056.99Subtotal: -
12 X 72 Inch Oversize Load Mesh Banner W/ Grommet
AFTERMARKET
$30.15Oversize Load Mesh Banner W/ Grommet- 12 X 72 InchStay safe and compliant on the road with the 12 x 72 Inch Oversize Load Mesh Banner. Made from heavy-duty polyester mesh, this bright yellow banner...09-02020228- SKU:
- 09-02020228
- Product Type:
- Cargo Control
- Material Options:
- Mesh
- Height Options:
- 12 Inch
- Color:
- Yellow
- Width Options:
- 72 Inch
- Make:
- Universal Items
$30.15Qty in Cart: 0Price:$30.15Subtotal: