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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
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
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
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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FREE SHIPPING OVER $249
Interior Cab Fresh Air Filter Replacement For Peterbilt 377, 378, 379 & 385
CAB FRESH FILTER CO.
$43.85Peterbilt Interior Cab Fresh Air FilterThis air filter fits under the dashboard on the passenger side. Simply slide the filter into the existing track next to the passenger door. It replaces the...01-1503017- SKU:
- 01-1503017
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Cloth
- Make:
- Peterbilt
- Product Type:
- Interior
- Ready To Ship:
- Yes
$43.85Qty in Cart: 0Price:$43.85Subtotal: -
3 Layer Replacement Air Filter Wrap For 29-071300015 High Performance Air Filter For International 9000 Series & Peterbilt 348
FLEET FILTERS
$195.993 Layer Replacement Air Filter Wrap For High Performance Air Filter* High Quality Replacement Air Filter Wrap* For 29-071300015* 3 Layer Design* Does Not Come Pre-Oiled* Oil Is Required Before...29-071300017- SKU:
- 29-071300017
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Engine Parts
$195.99Qty in Cart: 0Price:$195.99Subtotal: -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 4352922, 4352922NX For Cummins ISM Engine
GLOBAL EMISSIONS
$1,924.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISM Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM...29-080600017- SKU:
- 29-080600017
- Truck Class:
- Heavy Duty
- Style Options:
- Cummins
- Material Options:
- Stainless Steel
- Make:
- Universal Items
- Product Type:
- Exhaust
$1,924.99Qty in Cart: 0Price:$1,924.99Subtotal: -
High Flow Performance Air Filter W/ Washable Element For Freightliner, Kenworth, Peterbilt & Western Star - Pair
FLEET FILTERS
$839.99High Flow Performance Air Filter W/ Washable Element Fits Freightliner, Kenworth, Peterbilt, Western Star - PairYou never need to waste money on paper filters again! 4 State Trucks proudly offers...29-090500017- SKU:
- 29-090500017
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Exterior
$839.99Qty in Cart: 0Price:$839.99Subtotal: -
FREE SHIPPING OVER $249
34 X 57MM Rubber/Metal Intake Manifold Gasket Kit - Replaces 12529094, 8-12529-094-0, 8-89017-465-0
DAYTON / DORMAN
$125.9934 X 57MM Rubber/Metal Intake Manifold Gasket Kit* High Quality Intake Manifold Gasket Kit* Metal And Rubber* Includes - Upper And Lower Manifold Gaskets - Valve Cover Caskets - 8 Intake Bolts...29-071200017- SKU:
- 29-071200017
- Truck Class:
- Heavy Duty
- Make:
- Isuzu
- Product Type:
- Engine Parts
$125.99Qty in Cart: 0Price:$125.99Subtotal: -
FASS Drop- In Series Fuel System Filter Pack W/ 1 Extreme Water Separator Filters & 1 Coalescing Water Separator
FASS
$60.99Drop- In Series Fuel System Filter Pack W/ 1 Extreme Water Separator Filters & 1 Coalescing Water SeparatorImprove fuel system protection and performance with this FASS Drop-In Series Fuel System...09-07030017- SKU:
- 09-07030017
- Product Type:
- Engine Parts
- Make:
- Universal Items
$60.99Qty in Cart: 0Price:$60.99Subtotal: -
BESTfit 3 Leaf Parabolic Spring - 8,200 lbs Capacity For Peterbilt 375/377, 357/378 SFA & 379 Replaces 2001799
BESTFIT TRUCK PARTS
$657.993 Leaf Parabolic Spring W/ 8200 Lb. Capacity By BESTfit Replaces 2001799 Fits Replaces 2001799Restore your truck's suspension performance with the BESTfit 4 Inch Wide 3-Leaf Parabolic Spring,...01-050900017- SKU:
- 01-050900017
- Width Options:
- 4 Inch
- Truck Class:
- Heavy Duty
- Product Type:
- Frame & Chassis
- Make:
- Peterbilt
- Rating:
- 8000 LBS
- Material Options:
- Steel
$657.99Qty in Cart: 0Price:$657.99Subtotal: -
DEF Urea Filter Kit For Cummins ISL, ISB, ISC & PACCAR PX-6, PX-7, PX-9 Engine Replaces 1927474PE, 2014774PE, 21496419
DAYTON / DORMAN
$55.99Diesel Exhaust Fluid Urea Filter Kit Replaces 1927474PE, 2014774PE, 21496419 Fits Cummins & PACCAR EngineImprove emissions system reliability with this DEF Urea Filter Kit for Cummins and PACCAR...29-06070017- SKU:
- 29-06070017
- Style Options:
- Paccar
- Product Type:
- Fuel Tanks
- Make:
- Universal Items
$55.99Qty in Cart: 0Price:$55.99Subtotal: -
AirDog Fuel Preporator W/ Installation Kit For Caterpillar 3406 A/B/C Engines
AIRDOG HD
$1,037.99Fuel Preporator W/ Installation Kit By AirDog Fits Caterpillar 3406 A/B/C EnginesKeep your CAT 3406 A/B/C engine running smoothly with the AirDog Fuel Preporator, a premium lift pump system for...29-070300017- SKU:
- 29-070300017
- Product Type:
- Engine Parts
$1,037.99Qty in Cart: 0Price:$1,037.99Subtotal: -
Chrome Guide 682-C Headlight W/ Crystal H4 Halogen Bulb, 5 Diode Amber/Clear LED Dual Function Top Mount Light For Peterbilt, Freightliner, International & Mack
UNITED PACIFIC
$220.99Chrome Guide 682-C Crystal H4 Halogen Headlight W/ 5 Diode Amber/Clear LED Dual Function Signal Light* High Quality Headlight* Chrome Plated Housing And Bezel* H4 Crystal Halogen Bulb* Top Mount 5...29-160600174- SKU:
- 29-160600174
- Truck Class:
- Heavy Duty
- Diameter Options:
- 7 Inch
- Shape Options:
- Round
- Material Options:
- Steel
- Make:
- International
- Make:
- Sterling
- Make:
- GMC
- Make:
- Peterbilt
- Make:
- Kenworth
- Make:
- Freightliner
- Make:
- Mack
- Finish Options:
- Chrome-Plated
- Color:
- Amber
- Product Type:
- Lighting
$220.99Qty in Cart: 0Price:$220.99Subtotal: -
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BLEMISHED: AC Condenser 34 X 20 Inch For International 9000 Series
4 STATE TRUCKS
$115.99BESTfit AC Condenser Metal 34.00 Inch x 20.00 Inch for International 9300 SBA/9370/9200/9400/9900I/9900IXNormally $153.99 Plus Shipping, Buy This One Now For $115.99 with Free Shipping! You Save $38+...ZB10001752- SKU:
- ZB10001752
- Truck Class:
- Heavy Duty
- Make:
- International
$115.99Qty in Cart: 0Price:$115.99Subtotal: -
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BESTfit A/C Evaporator W/ Tube-Fin Design For Mack MR
BESTFIT TRUCK PARTS
$313.99A/C Evaporator W/ Tube-Fin Design By BESTfit Fits Mack MRThe BESTfit A/C Evaporator with Tube-Fin Design for Mack MR applications is a dependable replacement component designed to restore efficient...11-070000017- SKU:
- 11-070000017
- Product Type:
- Engine Parts
- Width Options:
- 3 1/8 Inch
- Length Options:
- 12 3/4 Inch
- Height Options:
- 8 Inch
- Make:
- Peterbilt
- Make:
- Mack
$313.99Qty in Cart: 0Price:$313.99Subtotal: -
FREE SHIPPING OVER $249
BESTfit Air Leaf Housing Bolt Hole C To C 1.9 Inch For Peterbilt Replaces CS71459, 30654
BESTFIT TRUCK PARTS
$36.74Air Leaf Housing Bolt Hole C To C 1.9 Inch By BESTfit Replaces CS71459, 30654 Fits PeterbiltThe BESTfit Peterbilt Air Leaf Housing is engineered to provide unmatched durability and precise fit for...01-051017- SKU:
- 01-051017
- Truck Class:
- Heavy Duty
- Product Type:
- Frame & Chassis
- Make:
- Peterbilt
- Ready To Ship:
- Yes
$36.74Qty in Cart: 0Price:$36.74Subtotal: -
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: -
OPP Fiberglass Hood Shell - Replaces A17-20220-017 For Western Star 5700XE 2016-2021
OPP - ORIGINAL PARTS PROGRAM
$12,321.99Western Star 5700XE Hood* High Quality Hood* Made In USA* Sold Individually* Warranty On Hoods Against Defects In Workmanship & Material From Date Of Purchase*|** This Is An OEM Replacement Part/ Not...14-12503- SKU:
- 14-12503
- Truck Class:
- Heavy Duty
- Material Options:
- Fiberglass
- Make:
- Western Star
- Finish Options:
- Paintable
- Location:
- Made In USA
- Product Type:
- Hood Shell
$12,321.99Qty in Cart: 0Price:$12,321.99Subtotal: -
Drag Link 30.5 Inch C To C - 01-02209, L24VT8505A11L For Peterbilt 359
AUTOMANN USA
$380.9930.5 Inch Center To Center Drag Link Fits Peterbilt 359Improve your truck's steering responsiveness with this 30.5 Inch Center-to-Center Drag Link, engineered for durability and precision. Designed...01-05090017- SKU:
- 01-05090017
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Length Options:
- 30 1/2 Inch
- Make:
- Peterbilt
- Product Type:
- Frame & Chassis
$380.99Qty in Cart: 0Price:$380.99Subtotal: -
Silent Block Rear Spring Bushing 16 MM ID X 40 MM OD For Isuzu NPR 1989 - 2017
AUTOMANN USA
$12.71Silent Block Hat Type Bushing Replaces 94118588, 8941185881* High Quality Silent Block* Dimensions: - Bushing Id- 16Mm - Bushing Od - 40Mm - Overall Length C- 45Mm - Bushing Sleeve Length- 33...08-05090017- SKU:
- 08-05090017
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Isuzu
- Product Type:
- Frame & Chassis
$12.71Qty in Cart: 0Price:$12.71Subtotal: -
King Pin Kit Replaces 8885857, 3927943, 3838390 For GMC Brigadier
AFTERMARKET
$149.99King Pin Kit W/ 1.25 X 7.88 Inch King Pin & Bi-Metal BushingsMaintain optimal steering performance with this premium King Pin Kit for GMC Brigadier. Featuring single draw key king pins, bi-metal...29-05090176- SKU:
- 29-05090176
- Position:
- Kit Full
- Length Options:
- 7 3/4 Inch
- Height Options:
- 1 Inch
- Product Type:
- Frame & Chassis
- Make:
- GMC
$149.99Qty in Cart: 0Price:$149.99Subtotal: -
RigMaster APU Water Pump For Caterpillar, Perkins
RIGMASTER
$485.99OEM RigMaster Water Pump For Caterpillar & Perkins Engines* High Quality Water Pump* Sold Individually* Warranty On Water Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High...145017380- SKU:
- 145017380
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Engine Parts
$485.99Qty in Cart: 0Price:$485.99Subtotal: -
Bright Diamond Plate Aluminum Low Profile Deep Slim-Line Crossover Tool Box- 72 Inch For Pickup Trucks
AFTERMARKET
$668.9972 Inch Bright Diamond Plate Aluminum Low Profile Deep Slim-Line Crossover Tool Box Fits Pickup TrucksDeliver heavy-duty organization to your pickup bed with the Bright Diamond Plate Aluminum Low...09-020100177- SKU:
- 09-020100177
- Truck Class:
- Universal
- Height Options:
- 18 Inch
- Width Options:
- 12 Inch
- Length Options:
- 72 Inch
- Material Options:
- Aluminum
- Make:
- Universal Items
- Finish Options:
- Diamond Plate
- Product Type:
- Toolboxes
$668.99Qty in Cart: 0Price:$668.99Subtotal: