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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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1-Piece Stainless Steel Diesel Particulate Filter Replaces 4965284NX, 5287496NX For Cummins ISC/ISL Engines
GLOBAL EMISSIONS
$2,105.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISC & ISL Engines* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability*...29-080600052- SKU:
- 29-080600052
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$2,105.99Qty in Cart: 0Price:$2,105.99Subtotal: -
Knuckle Spacer Replaces 005208, R-005208
AFTERMARKET
$104.992.937 Inch Knuckle Spacer Used On Hendrickson Turner Lift AxleReduce alignment issues and extend component life with a knuckle spacer built for accuracy. This high-quality replacement spacer is...29-05200030- SKU:
- 29-05200030
- Product Type:
- Trailer
- Make:
- Universal Items
$104.99Qty in Cart: 0Price:$104.99Subtotal: -
FASS Fuel Filter Delete Kit For Ford F250, F350, F450 W/ Powerstroke 6.7L Engine
FASS
$101.99Fuel Filter Delete Kit For Powerstroke 6.7L Engine 2011-2023Improve your fuel system setup with the FASS Fuel Filter Delete Kit for Ford F250, F350, and F450 trucks equipped with the 6.7L Powerstroke...05-07030052- SKU:
- 05-07030052
- Style Options:
- Powerstroke
- Position:
- Kit Full
- Product Type:
- Engine Parts
- Make:
- Ford
$101.99Qty in Cart: 0Price:$101.99Subtotal: -
Rear Driveshaft Assembly Replaces 52105278AB For Dodge Ram 2500, 3500 1998-2002
DAYTON / DORMAN
$980.99Rear Driveshaft Assembly Fits Dodge Ram 2500 & 3500Searching for a cost effective and easy to install driveshaft for your Dodge Ram? 4 State Trucks has what you need with this complete direct...17-05210039- SKU:
- 17-05210039
- Truck Class:
- Light Duty
- Make:
- Dodge
- Material Options:
- Steel
- Product Type:
- Frame & Chassis
$980.99Qty in Cart: 0Price:$980.99Subtotal: -
TPHD Auto-Trans Shaft Control Cable Replace 8971486051, 8971486052
TURNPIKE TRUCK TRIM
$103.99Auto-Trans Shaft Control Cable* High Quality Shaft Control Cable* 128 Inch Length* Sold Individually* Warranty On Shaft Control Cables Against Defects In Workmanship & Material From Date Of...29-05210016- SKU:
- 29-05210016
- Product Type:
- Engine Parts
- Truck Class:
- Heavy Duty
- Length Options:
- 128 Inches
- Make:
- Isuzu
- Make:
- GMC
$103.99Qty in Cart: 0Price:$103.99Subtotal: -
11 Inch Hex Bolt 7/8in-14 Thread Grade 8
AUTOMANN USA
$16.18Grade 8 - 11 Inch Hex Bolt Replaces OE 1140023* High Quality Bolt* Dimensions: - 7/8 Inch Bolt Diameter - 11 Inch Bolt Length * 14 Threads* Pitch- Fine* Grade- 8* Sold Individually* Warranty On Bolts...09-05200015- SKU:
- 09-05200015
- Material Options:
- Steel
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$16.18Qty in Cart: 0Price:$16.18Subtotal: -
Cap Screw Bolt 7/8-9 Thread X 11 Inch - Grade 8 - S21488M2
AUTOMANN USA
$28.15Grade 8 - 11 Inch Cap screw Bolt With 7/8 Inch -9 Thread* High Quality Cap Screw* Dimensions: - 7/8 Inch Bolt Diameter - 11 Inch Bolt Length* Bolt Type- Hex Bolts* Thread- 9* Sold Individually*...19-05250007- SKU:
- 19-05250007
- Material Options:
- Steel
- Length Options:
- 11 Inch
- Truck Class:
- Heavy Duty
- Make:
- Trailer
- Product Type:
- Trailer
$28.15Qty in Cart: 0Price:$28.15Subtotal: -
Flanged Lock Nut 5/8 Inch-11 TPI
AUTOMANN USA
$1.15Flanged Lock Nut Replaces D85020649, W300306, 14003012, 95112H, 8397202, And A344X6200* High Quality Flanged Lock Nut* Dimensions: - A/F- 0.91 Inch - Height- 0.56 Inch* Threads- 5/8 Inch-11* Sold...29-05250004- SKU:
- 29-05250004
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$1.15Qty in Cart: 0Price:$1.15Subtotal: -
Hex Head Flange Bolt 5/8-11 X 1-1/2 Inch Grade 8
AUTOMANN USA
$2.31Grade 8 Hex Head Flange Bolt W/ Coarse Pitch Replaces D8502-0402, And 8397076* High Quality Flange Bolt* Dimensions: - 5/8 Inch Bolt Diameter - 1-1/2 Inch Bolt Length* Threads- 11* Sold Individually...29-05250008- SKU:
- 29-05250008
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Diameter Options:
- 5/8 Inch
- Product Type:
- Frame & Chassis
$2.31Qty in Cart: 0Price:$2.31Subtotal: -
Hex Head Flange Bolt 5/8-11 X 2-1/2 Inch Grade 8
AUTOMANN USA
$2.30Grade 8 Flanged Bolt* High Quality Flange Bolt* 5/8 Inch Bolt Diameter* 2-1/2 Inch Bolt Length* Bolt Type- Flanged Bolts* Thread- 11* Pitch- Coarse* Grade- 8* Sold Individually* Warranty On Flange...29-05250047- SKU:
- 29-05250047
- Length Options:
- 2 1/2 Inch
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Make:
- Peterbilt
- Product Type:
- Frame & Chassis
$2.30Qty in Cart: 0Price:$2.30Subtotal: -
On SaleLimited Quantity Available
Hex Head Flange Bolt 5/8-11 X 1-3/4 Inch Grade 8
AUTOMANN USA
Now: $0.96Was: $2.14Grade 8 Hex Head Flange Bolt W/ Coarse Pitch Replaces D85020415* High Quality Flange Bolt* Dimensions: - 5/8 Inch Bolt Diameter - 1-3/4 Inch Bolt Length* Bolt Type- Flanged Bolt* Thread- 11* Coarse...02-05250000- SKU:
- 02-05250000
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
- Diameter Options:
- 5/8 Inch
Now: $0.96Was: $2.14Qty in Cart: 0Price:Now: $0.96Was: $2.14Subtotal: -
Thrust Washer, 3.98 OD For Freightliner Motor Mount
AUTOMANN USA
$18.50Washer Replaces 680-242-00-52, 6802420052, A-680-242-00-52* High Quality Suspension Washer* Dimensions: - 3.9 Inch OD - 0.787 Inch ID - 0.250 Inch Thickness * Sold Individually* Warranty On...03-05250003- SKU:
- 03-05250003
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Freightliner
- Product Type:
- Frame & Chassis
$18.50Qty in Cart: 0Price:$18.50Subtotal: -
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: -
Valley Chrome Boxed End Bumper, 22 Inch W/ Mounting & Tow/Hitch Holes For International
VALLEY CHROME PLATING
$891.9922 Inch Boxed End Bumper With Mounting & Tow/Hitch Holes* High Quality Replacement Bumper* Made Of Chrome Plated Steel* Boxed End* 22 Inch* Has Cutouts For: - Mounting Holes - Tow/Hitch Holes* Does...EN001052- SKU:
- EN001052
- Truck Class:
- Heavy Duty
- Height Options:
- 22 Inch
- Make:
- International
- Light Options:
- Without Lights
- Style Options:
- Texas Boxed End
- Material Options:
- Steel
- Finish Options:
- Chrome-Plated
- Type Options:
- Standard Mount
- Product Type:
- Bumpers
$891.99Qty in Cart: 0Price:$891.99Subtotal: -
22 Inch Stainless Steel Boxed End Bumper W/ Center Tow Hole For Peterbilt 362 1981-2002
VALLEY CHROME PLATING
$1,425.99Valley Chrome Stainless Steel Boxed End Bumper W/ Center Tow Hole Fits Peterbilt 362* High Quality Bumper* Made Of Stainless Steel * 22 Inch Boxed End* Has Cutouts For: - Center Tow Hole - Hitch...HK001052S- SKU:
- HK001052S
- Height Options:
- 22 Inch
- Light Options:
- Without Lights
- Make:
- Peterbilt
- Truck Class:
- Heavy Duty
- Style Options:
- Texas Boxed End
- Material Options:
- Stainless Steel
- Type Options:
- Standard Mount
- Product Type:
- Bumpers
$1,425.99Qty in Cart: 0Price:$1,425.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit 5 Inch OD 90 Degree Exhaust Elbow For Kenworth T600, T800, W900 AeroCab W/ 45 Inch Boxes
BESTFIT TRUCK PARTS
$97.99BESTfit Kenworth Steel 90 Degree Exhaust Pipe ElbowThis exhaust elbow is designed to be installed above the muffler inlet elbow for Kenworth trucks. It replaces the original equipment part number...02-08105250- SKU:
- 02-08105250
- Diameter Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Style Options:
- Elbow
- Material Options:
- Steel
- Degree Options:
- 90
- Make:
- Kenworth
- Product Type:
- Exhaust
- Ready To Ship:
- Yes
$97.99Qty in Cart: 0Price:$97.99Subtotal: -
Torque Arm Bolt Kit E-5277, 49176001 For Hendrickson Rear E4 Series
AUTOMANN USA
$5.44Torque Arm Bolt Kit With Cap Screw, Lock Nut, U-Bolt Washer* High Quality Bolt Kit* Includes - Cap Screw - Lock Nut - U Bolt Washer* For Torque Arm* Sold Individually * Warranty On Bolt Kits...09-05250074- SKU:
- 09-05250074
- Truck Class:
- Universal
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$5.44Qty in Cart: 0Price:$5.44Subtotal: -
22 Inch Chrome Steel Boxed End Bumper W/ Mounting & Tow/Hitch Holes Stainless Steel For Peterbilt 378/ 379 Conventional 1987-2007
VALLEY CHROME PLATING
$1,425.99Valley Chrome 22 Inch Chrome Steel Boxed End Bumper W/ Mounting & Tow/Hitch Holes Stainless Steel* High Quality Bumper* Made Of Stainless Steel* Has Cutouts For: - Mounting Holes - Tow/Hitch Holes*...HC001052S- SKU:
- HC001052S
- Truck Class:
- Heavy Duty
- Height Options:
- 22 Inch
- Make:
- Peterbilt
- Material Options:
- Stainless Steel
- Finish Options:
- Chrome-Plated
- Product Type:
- Bumpers
$1,425.99Qty in Cart: 0Price:$1,425.99Subtotal: -
Stainless Steel Steerable Lift Axle APSCO Control Panel
AUTOMANN USA
$899.997 X 3 X 5 14 Gauge Stainless Steel APSCO Steer Axle Control Panel* High Quality Control Panel* Silver Finish* 14 Gauge Stainless Steel* Dimensions - 7 Inch Length - 3 Inch Width - 5 Inch Diameter*...09-052000002- SKU:
- 09-052000002
- Truck Class:
- Universal
- Diameter Options:
- 5 Inch
- Width Options:
- 3 Inch
- Length Options:
- 7 Inch
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$899.99Qty in Cart: 0Price:$899.99Subtotal: -
Stainless Steel Lift Axle APSCO Control Panel
AUTOMANN USA
$662.997 X 3 X 5 14 Gauge Stainless Steel APSCO Lift Axle Control Panel* High Quality Control Panel* Silver Finish* 14 Gauge Stainless Steel* Dimensions - 7 Inch Length - 3 Inch Width - 5 Inch Diameter*...09-052000001- SKU:
- 09-052000001
- Diameter Options:
- 5 Inch
- Width Options:
- 3 Inch
- Length Options:
- 7 Inch
- Truck Class:
- Universal
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$662.99Qty in Cart: 0Price:$662.99Subtotal: