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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
Semi-Truck Mattress Sizes: Fitment Chart & Buying Guide(Post)Looking for the right sized semi truck mattress? Every long-haul trucker should prioritize spending a sizeable portion of their budget on a quality mattress and driver's seat. That's where you spend
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
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
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
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BESTfit Black Steel Center Bumper Section W/ Tow Holes Replaces 21-26020-011 For Freightliner Columbia
BESTFIT TRUCK PARTS
$303.99BESTfit Painted Steel Center Bumper W/ Round Tow, Pin Holes In Upper FaceThis BESTfit old style black center bumper is made of a strong stainless steel and has round tow pin holes in the upper face...03-010112- SKU:
- 03-010112
- Truck Class:
- Heavy Duty
- Position:
- Center
- Material Options:
- Steel
- Make:
- Freightliner
- Product Type:
- Bumpers
- Ready To Ship:
- Yes
$303.99Qty in Cart: 0Price:$303.99Subtotal: -
High Flow Performance Air Filter With Washable Element Media For Kenworth, Peterbilt 372 & 379 - Pair
FLEET FILTERS
$839.99High Performance Air Filter Media Fits Kenworth, Peterbilt 372, 379 - PairYou never need to waste money on paper filters again! 4 State Trucks proudly offers Fleet Air Filters, the only lifetime,...29-090500011- SKU:
- 29-090500011
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Make:
- Kenworth
- Product Type:
- Exterior
$839.99Qty in Cart: 0Price:$839.99Subtotal: -
BESTfit Charge Air Cooler 35.3 X 27.19 X 2.25 Inch Replaces 1040118, 1050054 For Ford & Sterling
BESTFIT TRUCK PARTS
$402.99Brazed Charge Air Cooler W/ 4.5 Inch Inlet & Outlet By BESTfit Replaces 1040118, 1050054* High Quality CAC Tube* Construction: Brazed* Core Size: - 35.30 Inch Height - 27.19 Inch Width - 2.25...05-070117- SKU:
- 05-070117
- Truck Class:
- Heavy Duty
- Make:
- Sterling
- Make:
- Ford
- Product Type:
- Engine Parts
$402.99Qty in Cart: 0Price:$402.99Subtotal: -
6 Inch Low Profile Fuel Filter Wrench For Davco Models 382 & 84
AUTOMANN USA
$29.22Low Profile Wrench For 6 Inch OD Fuel Filters* High Quality Wrench* 6 Inch* Low Profile Design For Better Clearance* Sold Individually* Warranty On Wrenches Against Defects In Workmanship & Material...09-21000116- SKU:
- 09-21000116
- Product Type:
- Tools
- Length Options:
- 6 Inch
- Make:
- Universal Items
$29.22Qty in Cart: 0Price:$29.22Subtotal: -
FREE SHIPPING OVER $249
TPHD 2.25 Inch Oil Filler Cap W/ T Handle For Cummins
TPHD
$34.66Oil Filler Cap By TPHD* High Quality Expandable Metal - Rubber Cap* Fits 2.25 Inch ID Oil Filler Hole* For Cummins Engines* Sold Individually* Warranty On Oil Filler Cap Against Defects In...09-072011- SKU:
- 09-072011
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$34.66Qty in Cart: 0Price:$34.66Subtotal: -
FREE SHIPPING OVER $249
55MM Diesel Particulate Filter Gasket, Clamp Kit - Replaces A0004902241, A6804910480 For Freightliner & Western Star
DAYTON / DORMAN
$167.9955MM Diesel Particulate Filter Gasket & Clamp Kit* High Quality Diesel Particulate Filter Gasket And Clamp Kit* Band Width: 55 Mm, 0.17 Mm* Clamping Type: Bolt* Material: Stainless Steel, Mbg-D*...29-080600011- SKU:
- 29-080600011
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Freightliner
- Product Type:
- Exhaust
$167.99Qty in Cart: 0Price:$167.99Subtotal: -
18 Inch Chrome Wrap Around Bumper W/ Tow, Vent & Fog Light Holes For International ProStar
VALLEY CHROME PLATING
$1,457.99Valley Chrome 3 Piece Bumper W/ Stainless Steel Filler PanelsIf you're in the market for a new or replacement bumper, look no further than this 10-gauge (1/8 inch thick) chrome-plated steel bumper...EU501117X- SKU:
- EU501117X
- Height Options:
- 18 Inch
- Light Options:
- Without Lights
- Make:
- International
- Truck Class:
- Heavy Duty
- Style Options:
- Set Back Axle
- Type Options:
- Standard Mount
- Product Type:
- Bumpers
- Material Options:
- Stainless Steel
$1,457.99Qty in Cart: 0Price:$1,457.99Subtotal: -
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: -
Fiberglass Single Radius Long Drop Fender 38 Inch Tall W/ 3.5 Side Lip
BAD ASS CUSTOM TRUCK PARTS
$1,327.99Fiberglass Single Radius Long Drop Fender 38 Inch Tall W/ 3.5 Side Lip* High Quality Fender* Made Of Fiberglass* 38 Inches Height* 3.5 Side Lip* Single Radius * Long Drop* Made In USA* Sold...09-1104000011- SKU:
- 09-1104000011
- Truck Class:
- Universal
- Location:
- Made In USA
- Style Options:
- Long Drop
- Material Options:
- Fiberglass
- Make:
- Universal Items
- Type Options:
- Full Radius
- Product Type:
- Rear Fenders
$1,327.99Qty in Cart: 0Price:$1,327.99Subtotal: -
BESTfit Sanden 4042 AC Compressor With 119MM 8 Groove Clutch Replaces F69-1003, LF0111 For Peterbilt
BESTFIT TRUCK PARTS
$474.99BESTfit 12V AC Compressor With Lateral Port, Clockwise Rotation & Serpentine Belt Fits PeterbiltThe BestFit Sanden 4042 AC Compressor featuring a 119mm 8-groove clutch is a reliable replacement...01-070000011- SKU:
- 01-070000011
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Engine Parts
$474.99Qty in Cart: 0Price:$474.99Subtotal: -
TPHD Passenger Side Upper Exhaust Clamp Replaces M16-1011R For Kenworth T600, T600B & AeroCab
TPHD
$95.99Exhaust Stack Top Clamp With 5.825 Inch Bracket Spacing Fits Passenger Side T600 Kenworth By TPHD* High Quality Upper Exhaust Clamp* Fits Passenger Side* Made of 304 Stainless Steel* Stack Clamp With...02-08410111- SKU:
- 02-08410111
- Product Type:
- Exhaust
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
$95.99Qty in Cart: 0Price:$95.99Subtotal: -
Driver Side Upper Exhaust Clamp Replaces M16-1011 For Kenworth T600, T600B & AeroCab
AFTERMARKET
$121.99Exhaust Stack Top Clamp With 5.825 Inch Bracket Spacing Fits Driver Side T600 Kenworth By TPHD* High Quality Upper Exhaust Clamp* Fits Driver Side* Made of 304 Stainless Steel* Stack Clamp With...02-08410110- SKU:
- 02-08410110
- Truck Class:
- Heavy Duty
- Product Type:
- Exhaust
- Make:
- Kenworth
$121.99Qty in Cart: 0Price:$121.99Subtotal: -
Bulldog HD Rear Shock Absorber Replaces 3684524C1, 60657-006, 60657-010, 60657-011 For International LT625
BULLDOG HD SHOCKS
$64.99Heavy Duty Shock Absorber Fits International LT625 2018-2019Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part...07-050000023- SKU:
- 07-050000023
- Length Options:
- 21 Inch
- Truck Class:
- Heavy Duty
- Make:
- International
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$64.99Qty in Cart: 0Price:$64.99Subtotal: -
Drag Link 15.5 Inch C To C Replaces DS1280 For Kenworth W900B, W900L
AFTERMARKET
$181.9915.5 Inch C To C Drag Link Replaces DS1280, L24VU8036A11, L24VU8036A12, L24VU8036B11, L24VU8036B11L, L24VU8036C11, L24VU8036B11Keep your Kenworth W900B or W900L steering system operating safely with...02-05090011- SKU:
- 02-05090011
- Truck Class:
- Heavy Duty
- Length Options:
- 15 1/2 Inch
- Material Options:
- Steel
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$181.99Qty in Cart: 0Price:$181.99Subtotal: -
Chrome Bumper Center Trim Replaces 20446902, 20576036, 85104912 For Volvo VNL Gen II
AUTOMANN USA
$128.99Chrome Plastic Center Bumper TrimAdd style and durability to your Volvo VNL Gen II with the Chrome Bumper Center Trim, designed to replace OEM 20446902, 20576036, and 85104912. Constructed from...13-011407- SKU:
- 13-011407
- Truck Class:
- Heavy Duty
- Make:
- Volvo
- Product Type:
- Bumpers
- Finish Options:
- Chrome-Plated
$128.99Qty in Cart: 0Price:$128.99Subtotal: -
Drag Link 5.75 Inch C To C - 10007603 For Blue Bird Vision, TC2000
AFTERMARKET
$48.345.75 Inch C To C Drag Link Replaces 10007603* High Quality Drag Link* 1-1/4 Inch -12* 5.75 Inch C To End* Adjustable End* Made In USA* Sold Individually* Warranty On Drag Links Against Defects In...30-05090011- SKU:
- 30-05090011
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Bus
- Product Type:
- Frame & Chassis
$48.34Qty in Cart: 0Price:$48.34Subtotal: -
On SaleLimited Quantity Available
BESTfit Charge Air Cooler 25.79 X 21.18 X 2.24 Inch Replaces 222206, FLX010127 For Ford F250, F350, F450, F500 & Super Duty Series
BESTFIT TRUCK PARTS
Now: $101.00Was: $512.99Charge Air Cooler W/ 2.99 Inch Inlet & 3.27 Inch Outlet By BESTfit Replaces 222206, FLX010127* High Quality Charge Air Cooler* Inches Core Size - 25.790 Height - 21.180 Width - 2.240 Core...05-070111- SKU:
- 05-070111
- Truck Class:
- Heavy Duty
- Make:
- Sterling
- Make:
- Ford
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
Now: $101.00Was: $512.99Qty in Cart: 0Price:Now: $101.00Was: $512.99Subtotal: -
Drag Link 29.5 Inch C To C - 1414374000 For Freightliner
AFTERMARKET
$269.9929.5 Inch C To C Drag Link Replaces 1414374000, 14-14374-000, A1412350000,A14-12350-000, L20VU5097A11* High Quality Drag Link* 29.50 Inch C To C* E To E- 14.50 Inch* Shaft Diameter- 1.378 Inch* Taper...03-05090011- SKU:
- 03-05090011
- Material Options:
- Steel
- Length Options:
- 29 1/2 Inch
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Product Type:
- Frame & Chassis
$269.99Qty in Cart: 0Price:$269.99Subtotal: -
Cruise Control Rocker Switch -10 Pin Replaces A06-30769-011 For Freightliner Columbia, Century
AUTOMANN USA
$44.60Replacement Rocker Switch For Cruise ControlRestore smooth cruise control functionality with the Cruise Control Rocker Switch for Freightliner Columbia and Century, replacing A06-30769-011. This...03-16200016- SKU:
- 03-16200016
- Product Type:
- Lighting
- Color:
- Black
- Make:
- Freightliner
$44.60Qty in Cart: 0Price:$44.60Subtotal: -
304 SS Bolt-Mount Hood Extensions W/ Louvers For International 9900ix 1999-2011
ROADWORKS
$257.99RoadWorks 304 Stainless Steel Bolt-Mount Hood Extensions W/ Louvers* High Quality Hood Extensions* Made Of 304 Stainless Steel * With Louvers* Bolt Mount * Sold As Pair* Warranty On Hood Extensions...07-123000011- SKU:
- 07-123000011
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- International
- Finish Options:
- Polished
- Product Type:
- Hood Parts & Acc.
$257.99Qty in Cart: 0Price:$257.99Subtotal: