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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
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
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
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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Stainless Steel Diesel Particulate Filter Replaces CP232717 For International W/ MaxxForce 13 Engine
GLOBAL EMISSIONS
$2,235.99Stainless Steel Diesel Particulate Filter Fits International W/ MaxxForce 13 Engine - Replaces CP232717* High Quality Diesel Particulate Filter* Made Of Stainless Steel * OEM Quality Clamps And...07-080600008- SKU:
- 07-080600008
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- International
- Product Type:
- Exhaust
$2,235.99Qty in Cart: 0Price:$2,235.99Subtotal: -
High Flow Performance Air Filter With Washable Element Media For GM, Freightliner, Mack, Western Star - Pair
FLEET FILTERS
$839.99High Performance Air Filter Media Fits GM, Freightliner, Mack, Western Star - PairYou never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only...29-090500008- SKU:
- 29-090500008
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Product Type:
- Exterior
$839.99Qty in Cart: 0Price:$839.99Subtotal: -
FREE SHIPPING OVER $249
TPHD 12 Volt Cigarette Lighter Socket Extension Cord - 12 Ft Long
TPHD
$18.72TPHD 12 Foot 12V Extension Cord - Plugs Into Cigarette Lighter SocketAre you looking for a very simple way to power your favorite small appliances and gadgets when traveling? 4 State Trucks offers...09-140000008- SKU:
- 09-140000008
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Electronics
$18.72Qty in Cart: 0Price:$18.72Subtotal: -
Filter Wrench Ratcheting Chain
AUTOMANN USA
$51.99Filter Wrench Racheting Chain* High Quality Ratcheting Chain* Fits 3 Inch Thru 4.5 Inch Diameters* Sold Individually* Warranty On Ratcheting Chain Against Defects In Workmanship & Material From Date...09-2100088- SKU:
- 09-2100088
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Engine Parts
$51.99Qty in Cart: 0Price:$51.99Subtotal: -
1 X 4 X 12 Inch Semi Round U-Bolt Kit For International
AFTERMARKET
$92.99Semi Round U-Bolt Kit Replaces 531724C1Secure your suspension components with this high-quality 1 X 4 X 12 Inch Semi Round U-Bolt Kit, designed for International trucks. This durable kit includes two...07-05090086- SKU:
- 07-05090086
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- International
- Product Type:
- Frame & Chassis
$92.99Qty in Cart: 0Price:$92.99Subtotal: -
FREE SHIPPING OVER $249
DEF Filter Kit W/ Element, Cartridge & End Cap Replaces 4388378, 5579176 For Freightliner
AFTERMARKET
$113.99DEF Filter Kit W/ Element, Cartridge & End Cap By Freightliner Replaces 4388378, 5579176Restore proper DEF system filtration with this premium DEF Filter Kit, a direct replacement for Freightliner...03-06070008- SKU:
- 03-06070008
- Product Type:
- Fuel Tanks
$113.99Qty in Cart: 0Price:$113.99Subtotal: -
Engine Fuel Filter Cap Replaces A4720920408, A472092708 For Detroit Diesel DD15 EPA07 EPA10
AFTERMARKET
$57.99Engine Fuel Filter Cap* High Quality Filter Cap * Sold Individually* Warranty On Filter Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement...29-07120008- SKU:
- 29-07120008
- Product Type:
- Engine Parts
- Make:
- Universal Items
$57.99Qty in Cart: 0Price:$57.99Subtotal: -
Power Steering Reservoir J86-1045-008 For Kenworth T680 , Peterbilt 579
AFTERMARKET
$312.99Power Steering Reservoir ReplacementThis replacement power steering reservoir is designed for select Kenworth and Peterbilt trucks. The reservoir comes with a cap, cover, gasket, and clamp to replace...29-07120011- SKU:
- 29-07120011
- Product Type:
- Engine Parts
- Make:
- Universal Items
$312.99Qty in Cart: 0Price:$312.99Subtotal: -
FREE SHIPPING OVER $249
12 Inch Stainless Under Body Glow Light Bracket W/ 6 Round 3/4 Inch Light Holes
IOWA CUSTOMS
$50.9912 Inch Underglow Light Bracket SectionCreate a smooth, custom underglow look with this 12 inch polished stainless steel under body light bracket designed for mini button style LED lighting. Built...09-1610085- SKU:
- 09-1610085
- Truck Class:
- Universal
- Make:
- Universal Items
- Length Options:
- 12 Inch
- Material Options:
- Steel
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$50.99Qty in Cart: 0Price:$50.99Subtotal: -
FREE SHIPPING OVER $249
TPHD 1.5 Inch Oil Filler Cap W/ T Handle
TURNPIKE TRUCK TRIM
$10.94Oil Filler Cap By TPHDMaintain peak engine performance with the TPHD 1.5 Inch Oil Filler Cap with T Handle, a high-quality, durable solution for your truck. Its secure design prevents oil leaks and...09-072008- SKU:
- 09-072008
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$10.94Qty in Cart: 0Price:$10.94Subtotal: -
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 Shackle Side Bar W/O Ears Type 12, 3.313 Inch - 4006001, 13130 For Advance Mixer Front 20K Axle
BESTFIT TRUCK PARTS
$24.28BESTfit Type 12 C To C Shackle Side Bar Without Ears, With 1-1/4In Holes Replaces 4006001, 13130* High Quality Side Bar* Dimensions: - 5.344 Inch Length - 2.00 Inch Width - 3.313 Inch C To C - 1.00...80-05090008- SKU:
- 80-05090008
- Length Options:
- 5 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
- Width Options:
- 2 Inch
- Height Options:
- 1 Inch
$24.28Qty in Cart: 0Price:$24.28Subtotal: -
20 X 13.9 X 17 Inch Heavy Duty Diesel Particulate Filter - Replaces 4965229, 4965286, 4965286NX, 4969838
DAYTON / DORMAN
$2,675.99Heavy Duty DPF - Replaces 4969838NX, 4969839, 4969839NX, Q621371, Q623316 & Q623804* High Quality DPF* Body Height: 20 Inch* Body Length: 13.9 Inch* Body Material: Stainless Steel* Body Width: 17...29-080600008- SKU:
- 29-080600008
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Exhaust
$2,675.99Qty in Cart: 0Price:$2,675.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit 41.5 Inch Hood Strap Replaces A17-12994-003, A17-20380-008 For Freightliner Cascadia
BESTFIT TRUCK PARTS
$30.92BESTfit Hood Strap Fits FreightlinerKeep your hood properly secured with the BESTfit 41.5 Inch Hood Strap, a precision replacement for Freightliner Cascadia trucks. Designed to replace OEM...03-124028- SKU:
- 03-124028
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Color:
- Black
- Material Options:
- Polyester
- Product Type:
- Hood Parts & Acc.
- Ready To Ship:
- Yes
$30.92Qty in Cart: 0Price:$30.92Subtotal: -
FREE SHIPPING OVER $249
SC3 Single Check Valve - Replaces 800839
OPP - ORIGINAL PARTS PROGRAM
$33.28Single Check Valve* High Quality SC3 Check Valve * Sold Individually * Warranty On SC3 Check Valve Against Defects In Workmanship & Material From Date Of Purchase*** This Is An OEM Replacement Part/...800839- SKU:
- 800839
- Truck Class:
- Heavy Duty
- Material Options:
- Brass
- Product Type:
- Air, Electrical, & Safety
- Ready To Ship:
- Yes
$33.28Qty in Cart: 0Price:$33.28Subtotal: -
Drag Link 18.68 Inch C To C - W0008096 For International
AFTERMARKET
$183.9918.68 Inch C To C Drag Link Replaces W0008096* High Quality Drag Link* C To C- 18.68 Inch* C To E- 13.50 Inch* Type- 2-D. E Toe- 14.50 Inch* Shaft Diameter- 1.66 Inch* Taper Pin Length 1- 1.08 Inch*...07-05090084- SKU:
- 07-05090084
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- International
- Product Type:
- Frame & Chassis
$183.99Qty in Cart: 0Price:$183.99Subtotal: -
Wiper Motor Replaces 21000862, 85122759, 85150366 For Volvo VHD, VNL Gen I, Gen II
AFTERMARKET
$160.99Volvo Wiper MotorAvoid poor visibility on the road with this premium Wiper Motor, designed for Volvo VHD and VNL Gen I & II and replacing OE numbers 21000862, 85122759, and 85150366. Built for...13-0911008- SKU:
- 13-0911008
- Truck Class:
- Heavy Duty
- Make:
- Volvo
- Product Type:
- Exterior
$160.99Qty in Cart: 0Price:$160.99Subtotal: -
Air Brake Spider Flange Replaces 6261, B13231, R00864, M16TF101, 102102002
AFTERMARKET
$97.99Air Brake Spider Backing Plate - Flange* High Quality Brake Spider Flange* Dimensions: - 7-5/8 Inch Outer Diameter - 5-1/8 Inch Inner Diameter - 1/2 Inch Thickness* Made In USA* Sold...09-05170081- SKU:
- 09-05170081
- Product Type:
- Frame & Chassis
- Make:
- Universal Items
$97.99Qty in Cart: 0Price:$97.99Subtotal: -
FREE SHIPPING OVER $249
Cabin Air Spring Replaces T811001, 7092, W023587092, W026007109, 1B15377, 1B15-377, 1B15378, 1B15-378, 578913375, 578-91-3-375, 11020083, 1102K083 For Kenworth T600, T800 AeroCabs
AUTOMANN USA
$48.29Sleeve Type Cabin Air Spring For 86 Inch Kenworth AeroCabRestore ride comfort and cab stability with this Cabin Air Spring for Kenworth T600 and T800 AeroCabs. Built as a high-quality sleeve-type air...02-09500008- SKU:
- 02-09500008
- Product Type:
- Exterior
- Length Options:
- 86 Inch
- Cab Style:
- Curved Windshield
- Make:
- Peterbilt
- Make:
- Kenworth
$48.29Qty in Cart: 0Price:$48.29Subtotal: -
On SaleLimited Quantity AvailableFREE SHIPPING OVER $249
12-10 AWG Yellow Vinyl Ring Terminal For 5/16 Inch Stud - 12 Pack
AFTERMARKET
Now: $0.89Was: $3.70Insulated Ring Terminal For 5/16 Inch Stud And 12-10 AWG Wires* High Quality Vinyl Insulated Ring Terminal* Yellow* 12-10 AWG * 5/16 Inch* 12 Piece Set* PVC Injection Molded With Funnel Entry For...09-16030084- SKU:
- 09-16030084
- Color:
- Yellow
- Truck Class:
- Universal
- Material Options:
- Vinyl
- Make:
- Universal Items
- Product Type:
- Air, Electrical, & Safety
- Ready To Ship:
- Yes
Now: $0.89Was: $3.70Qty in Cart: 0Price:Now: $0.89Was: $3.70Subtotal: