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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
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
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
5 Unique Lug Nut Cover Styles to Give Your Truck a More Polished Look(Post)Semi truck lug nut covers aren’t just useful in protecting your lug nut and wheel studs, but they’re a great way to achieve a more polished, cleaner look at a low-cost. Here are some of the coolest-l
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
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HVAC Control Panel - Replaces A22 - 73492 - 003, A22 - 73492 - 007 For Western Star 5700XEl 2018+
OPP - ORIGINAL PARTS PROGRAM
$1,088.99HVAC Control Panel For Newer Western Star 5700XE* High Quality HVAC Control Panel * For Cab* Fits Western Star 5700XE* Direct OE Replacement Part* Sold Individually* Warranty On HVAC Control Panel...14-1503007OE- SKU:
- 14-1503007OE
- Truck Class:
- Heavy Duty
- Make:
- Western Star
- OEM:
- OEM
- Product Type:
- Interior
$1,088.99Qty in Cart: 0Price:$1,088.99Subtotal: -
3 Layer Replacement Air Filter Wrap For 29-090500004 High Performance Air Filter
FLEET FILTERS
$383.993 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-090500005* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...29-090500007- SKU:
- 29-090500007
- Truck Class:
- Heavy Duty
- Make:
- Mack
- Make:
- Kenworth
- Make:
- Freightliner
- Make:
- Peterbilt
- Make:
- GMC
- Product Type:
- Exterior
$383.99Qty in Cart: 0Price:$383.99Subtotal: -
Stainless Steel Diesel Particulate Filter Replaces 2604430C91 For International W/ MaxxForce 9 Engine
GLOBAL EMISSIONS
$2,004.99Stainless Steel Diesel Particulate Filter Fits International W/ MaxxForce 9 Engine - Replaces 2604430C91* High Quality Diesel Particulate Filter* Made Of 430 Stainless Steel* OEM Quality Clamps And...07-080600007- SKU:
- 07-080600007
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- International
- Product Type:
- Exhaust
$2,004.99Qty in Cart: 0Price:$2,004.99Subtotal: -
High Flow Performance Air Filter With Washable Element Media For Freightliner, International & Peterbilt
FLEET FILTERS
$444.99High Performance Air Filter Media, Replaces FA3516You never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only lifetime, washable, high flow, air...29-071300007- SKU:
- 29-071300007
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Engine Parts
$444.99Qty in Cart: 0Price:$444.99Subtotal: -
FREE SHIPPING OVER $249
HVAC Pre-Filter For Kenworth & Peterbilt
FREEDOM AIR FILTERS
$42.05Air Intake HVAC Fits Kenworth T680/T880 And Peterbilt 567/579* High Quality Polyester Mesh Pre-Filter* Mounting Clips Included - Grilles Not Included* Installs Under Hood On Passenger Side Beneath...29-1503007- SKU:
- 29-1503007
- Truck Class:
- Heavy Duty
- Color:
- Black
- Material Options:
- Plastic/Poly
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Interior
- Ready To Ship:
- Yes
$42.05Qty in Cart: 0Price:$42.05Subtotal: -
Engine Full Filter Cap Replaces A4710920108, A4720920308 For Detroit Diesel
AFTERMARKET
$104.99Engine Fuel Filter Cap Detroit DD15* High Quality Filter Cap * Sold Individually* Warranty On Filter Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...29-07120007- SKU:
- 29-07120007
- Product Type:
- Engine Parts
- Make:
- Universal Items
$104.99Qty in Cart: 0Price:$104.99Subtotal: -
Cabin Air Filter Replaces VCCT1000906J For Freightliner Cascadia 113/125
AUTOMANN USA
$9.24Freightliner Cabin Air FilterExperience clean and fresh air in your cab or sleeper with this cabin air filter for Freightliner Cascadia and Cascadia Evolution. This high-quality filter traps over 98%...03-0713007- SKU:
- 03-0713007
- Length Options:
- 9 1/4 Inch
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Product Type:
- Engine Parts
$9.24Qty in Cart: 0Price:$9.24Subtotal: -
BESTfit Diesel Particulate Filter For Cummins ISM Engine Replaces 4352989, AMN1003, C0022SA
BESTFIT TRUCK PARTS
$1,797.99Diesel Particulate Filter By BESTfit Replaces 4352989, AMN1003, C0022SA Fits Cummins ISM EngineMaintain optimal emissions performance with the BESTfit Cummins DPF for ISM engines. Replacing OEM part...29-08090076- SKU:
- 29-08090076
- Style Options:
- Cummins
- Product Type:
- Exhaust
- Make:
- Universal Items
$1,797.99Qty in Cart: 0Price:$1,797.99Subtotal: -
RigMaster A/C Receiver Drier Kit
RIGMASTER
$41.47A/C Receiver Drier Kit - LG9-007K* High Quality Receiver Drier Kit* Sold Individually* Warranty On Receiver Drier Kits Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...LG9007K- SKU:
- LG9007K
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Product Type:
- Engine Parts
$41.47Qty in Cart: 0Price:$41.47Subtotal: -
BESTfit Diesel Particulate Filter For Cummins ISX Engine Replaces 2871838, 5289769, C0F5SA
BESTFIT TRUCK PARTS
$2,621.99Diesel Particulate Filter By BESTfit Replaces 2871838, 5289769, C0F5SA Fits Cummins ISX EngineMaintain clean emissions and reliable performance with the BESTfit Cummins Diesel Particulate Filter...29-08090077- SKU:
- 29-08090077
- Product Type:
- Exhaust
- Style Options:
- Cummins
- Make:
- Universal Items
$2,621.99Qty in Cart: 0Price:$2,621.99Subtotal: -
BESTfit Diesel Particulate Filter For Caterpillar Engine Replaces 20R8031, 3583668, D2011SA
BESTFIT TRUCK PARTS
$6,141.99Diesel Particulate Filter By BESTfit Replaces 20R8031, 3583668, D2011SA Fits Caterpillar EngineEnsure optimal emissions performance with the BESTfit Caterpillar DPF for heavy-duty engines. Replacing...29-08090073- SKU:
- 29-08090073
- Style Options:
- Caterpillar
- Product Type:
- Exhaust
- Make:
- Universal Items
$6,141.99Qty in Cart: 0Price:$6,141.99Subtotal: -
BESTfit Diesel Particulate Filter Gasket For Caterpillar Replaces E300121, GA006, KPI50094G
BESTFIT TRUCK PARTS
$11.99Diesel Particulate Filter Gasket By BESTfit Replaces E300121, GA006, KPI50094G Fits CaterpillarEnsure a reliable seal and optimal emissions performance with the BESTfit Caterpillar DPF Gasket, a...29-08090074- SKU:
- 29-08090074
- Style Options:
- Caterpillar
- Product Type:
- Exhaust
- Make:
- Universal Items
$11.99Qty in Cart: 0Price:$11.99Subtotal: -
BESTfit 8.375 X 8.625 X 1 Inch Paper Cabin Air Filter Replaces VCC36000006, N10G-36000006 For Freightliner
BESTFIT TRUCK PARTS
$14.57BESTfit Interior Cabin Air Filter Fits Freightliner 108SD, 114SD, M2-106, M2-112 & M2 Business Class* High Quality Cabin Air Filter* Length: 7 7/8* Height: 8 7/8* Thickness: 1 3/16* Additional Notes:...03-150300007- SKU:
- 03-150300007
- Truck Class:
- Heavy Duty
- Height Options:
- 8 Inch
- Length Options:
- 7 Inch
- Make:
- Freightliner
- Product Type:
- Interior
$14.57Qty in Cart: 0Price:$14.57Subtotal: -
FREE SHIPPING OVER $249
TPHD 1 Inch Oil Filler Cap W/ T Handle
TPHD
$11.12Oil Filler Cap By TPHD* High Quality Oil Filler Cap* 1 Inch* Sold Individually* Warranty On Oil Filler Cap Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...09-072007- SKU:
- 09-072007
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$11.12Qty in Cart: 0Price:$11.12Subtotal: -
BESTfit 36.375 Inch Hood Restraint Cable Replaces A17-13830-007 For Freightliner M2 106/112/Business Class
BESTFIT TRUCK PARTS
$10.1636.375 Inch Hood Restraint Cable By BESTfitSecure your Freightliner M2 106, 112, or Business Class hood with the BESTfit 36.375 Inch Hood Restraint Cable, designed to replace A17-13830-007. This...03-124000012- SKU:
- 03-124000012
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Freightliner
- Product Type:
- Hood Parts & Acc.
$10.16Qty in Cart: 0Price:$10.16Subtotal: -
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: -
8 Leaf 4 Inch Wide Steer Spring Replaces 37101-0007 & 37101-0034 For Volvo
AUTOMANN USA
$747.99Multi-Leaf Spring Fits Volvo WCM-WIM & WIAStrengthen Volvo steering control with the 8 Leaf 4 Inch Wide Steer Spring, designed to replace parts 37101-0007 and 37101-0034. This multi-leaf spring...13-05091007- SKU:
- 13-05091007
- Truck Class:
- Heavy Duty
- Length Options:
- 26 Inch
- Width Options:
- 4 Inch
- Make:
- Volvo
- Product Type:
- Frame & Chassis
$747.99Qty in Cart: 0Price:$747.99Subtotal: -
FREE SHIPPING OVER $249
Hood Latch Replaces 3544924C1 For International DuraStar, WorkStar, PayStar, TranStar & ProStar
AUTOMANN USA
$91.99Hood Latch Fits International DuraStar, WorkStar, PayStar, TranStar & ProStarKeep your hood securely fastened with this high-quality Hood Latch, engineered to replace OEM #3544924C1 for International...07-124007- SKU:
- 07-124007
- Truck Class:
- Heavy Duty
- Make:
- International
- Product Type:
- Hood Parts & Acc.
- Height Options:
- 1 3/4 Inch
- Length Options:
- 12 3/4 Inch
- Material Options:
- Steel
- Color:
- Black
- Width Options:
- 2 1/2 Inch
- Ready To Ship:
- Yes
$91.99Qty in Cart: 0Price:$91.99Subtotal: -
High Back Black Cloth Seat Cover, 33 Inch W/ Back Pocket Sleeve And Red Stitching For Freightliner Cascadia
V-TRUCK CORP
$131.9933 Inch Black Cloth Seat Cover With Red Stitching And Orthopedic Design* High Quality Seat Cover* Cloth* Black* 33 Inch* With Red Stitching * Orthopedic Design * Maximum Driving Comfort With...03-19200007- SKU:
- 03-19200007
- Width Options:
- 33 Inch
- Color:
- Black
- Truck Class:
- Heavy Duty
- Material Options:
- Cloth
- Make:
- Freightliner
- Product Type:
- Seats
$131.99Qty in Cart: 0Price:$131.99Subtotal: -
Drag Link 18.830 Inch C To C Replaces 1410281000 For Freightliner
AFTERMARKET
$127.9918.830 Inch C To C Drag Link Replaces 1410281000, 14-10281-000, FDL1220, R250122, DS1220, L24VU7038A11, L24VU8028A12Reliability and precision are key in steering systems, and the Drag Link 18.830...03-05090074- SKU:
- 03-05090074
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Length Options:
- 18 3/4 Inch
- Make:
- Freightliner
- Product Type:
- Frame & Chassis
$127.99Qty in Cart: 0Price:$127.99Subtotal: