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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
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
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
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
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
How to Choose the Best Fridge for Your Semi Truck(Post)Every OTR truck driver needs reliable cooling for food and beverages on long haul drives. That's where semi truck refrigerators come in handy. When it comes to buying this must-have accessory, what's
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
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
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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FREE SHIPPING OVER $249
12 Volt Air Drier Wabco - Replaces 8079464, R955205, SRWABK118, 4324130010, 4324130030, 955205 & 3506784C91
AUTOMANN USA
$149.99Air Dryer WabcoThe Wabco 12 Volt Air Drier is an essential component for maintaining the integrity of your truck's air system. It removes moisture and contaminants to prevent damage to brakes and...955205- SKU:
- 955205
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Air, Electrical, & Safety
- Ready To Ship:
- Yes
$149.99Qty in Cart: 0Price:$149.99Subtotal: -
Self Steer Axle Tie Rod End 5.375 -02-205-0003-00
AFTERMARKET
$98.995.375 Inch Center To End Self Steer Axle Tie Rod End* High Quality Tie Rod End* Dimensions: - 5.375 Inch Center To End - 3.25 Inch Height Of Taper* Self Steer Axle* Made In USA* Sold Individually*...29-05090027- SKU:
- 29-05090027
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
$98.99Qty in Cart: 0Price:$98.99Subtotal: -
FREE SHIPPING OVER $249Limited Quantity Available
19 LED 12 Inch Light Bar W/ Chrome Plastic Bezel
UNITED PACIFIC
$37.90 - $41.61Revitalize your exterior lighting with this 19 LED 12 Inch Light Bar with Chrome Plastic Bezel. Designed as a universal aftermarket replacement, this light bar features 19 diodes and a chrome-plated...PPR_205598- SKU:
- PPR_205598
- Truck Class:
- Universal
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Finish Options:
- Chrome-Plated
- Length Options:
- 12 Inch
- Color:
- Red
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$37.90 - $41.61Qty in Cart: 0Price:$37.90 - $41.61Subtotal: -
Robert James 26 Inch Black Quilted Vinyl Fuel Tank End Covers W/ 12 Inch Skirt - No Belt For Peterbilt
ROBERT JAMES ENTERPRISES
$265.99Black Quilted Vinyl End Covers For 26 Inch Diameter Fuel Tanks W/ 12 Inch Sleeve By Robert JamesThe 26 Inch Black Quilted Vinyl Fuel Tank End Covers with 12 Inch Sleeve, No Belt offers durable...01-0652612051- SKU:
- 01-0652612051
- Material Options:
- Vinyl
- Diameter Options:
- 26 Inch
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Make:
- Peterbilt
- Product Type:
- Fuel Tanks
$265.99Qty in Cart: 0Price:$265.99Subtotal: -
FREE SHIPPING OVER $249
14 LED 12 Inch Chrome Stop. Turn And Tail Light Bar W/ Bezel
UNITED PACIFIC
$33.07 - $38.46Make your truck shine with the 14 LED 12 Inch Chrome Stop, Turn and Tail Light Bar with Bezel. This universal heavy-duty truck light features 14 LEDs, a 12-inch design, and a chrome-plated plastic...PPR_205258- SKU:
- PPR_205258
- Truck Class:
- Heavy Duty
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Length Options:
- 12 Inch
- Finish Options:
- Chrome-Plated
- Truck Class:
- Universal
- Color:
- Red
- Product Type:
- Lighting
$33.07 - $38.46Qty in Cart: 0Price:$33.07 - $38.46Subtotal: -
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: -
3 Inch Stainless Steel Cab/Cowl Panels W/ 12 Round 3/4 Inch Amber LED Lights & Amber Lens For Peterbilt 389
PHOENIX DESIGN
$755.99Stainless Steel Cab/Cowl Panels 3 Inch W/ 12 Round 3/4 Inch Amber LED Lights & Amber Lens Fits Peterbilt 389Designed specifically for Peterbilt 389 models, these stainless steel cab and cowl panels...01-0912057L003- SKU:
- 01-0912057L003
- Location:
- Made In USA
- Light Options:
- With Lights
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Polished
- Length Options:
- 56 Inch
- Product Type:
- Exterior
$755.99Qty in Cart: 0Price:$755.99Subtotal: -
Ridewell RCA-215HM High Mount Lift Axle - Pre-plumbed W/ Outside Monitor
RIDEWELL
$6,109.99Ridewell RCA-215HM High Mount Lift Axle - Professional Pre-Plumbed SystemEnhance your vehicle's load-bearing capabilities with the premium Ridewell RCA-215HM system. This professional-grade solution...2150205-01- SKU:
- 2150205-01
- Product Type:
- Frame & Chassis
$6,109.99Qty in Cart: 0Price:$6,109.99Subtotal: -
On Sale
Merritt 18 X 18 Inch Smooth Aluminum Tool Box W/ Length, Door & Door Finish Options
MERRITT
$784.39 - $1,694.59Delivering strength, style, and versatility, the Merritt 18 x 18 Inch Smooth Aluminum Tool Box is an ideal addition to any truck. Its smooth aluminum construction resists corrosion, and the...PPR_205420- SKU:
- PPR_205420
- Truck Class:
- Universal
- Material Options:
- Aluminum
- Height Options:
- 18 Inch
- Width Options:
- 18 Inch
- Make:
- Universal Items
- Product Type:
- Toolboxes
- Ready To Ship:
- Yes
$784.39 - $1,694.59Qty in Cart: 0Price:$784.39 - $1,694.59Subtotal: -
97DB Back-Up Alarm- 12/80VDC Dual Voltage 1250HZ
AUTOMANN USA
$26.30Type C Back Up Alarm W/ Nylon HousingKeep your worksite safe with the 97DB Back-Up Alarm, engineered for heavy-duty vehicles with 12/80VDC dual voltage. Featuring a robust nylon housing and a...09-02050000- SKU:
- 09-02050000
- Truck Class:
- Universal
- Material Options:
- Nylon
- Make:
- Universal Items
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$26.30Qty in Cart: 0Price:$26.30Subtotal: -
12 - 10 Gauge Yellow Butt Connectors - 15 Pack
GROTE
$2.18Primary Wire Terminal Butt Connectors 12 - 10 ga. GROTE* High Quality Butt Connectors* PVC Nylon* Yellow* 12 - 10 Gauge* Female* Sold As Pack (15)* Warranty on butt connectors against defects in...09-161302052- SKU:
- 09-161302052
- Product Type:
- Air, Electrical, & Safety
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Material Options:
- Nylon
- Color:
- Yellow
- Size Options:
- 10 Gauge
- Ready To Ship:
- Yes
$2.18Qty in Cart: 0Price:$2.18Subtotal: -
FREE SHIPPING OVER $249
Rubber Fuel Injector O-Ring Seal Kit - Replaces 17113205, 8-17113-205-0 For Isuzu NPR, GMC Savana/Express & Chevy Silverado 1500
DAYTON / DORMAN
$24.29Fuel Injector O-Ring Seal Kit* High Quality Fuel Injector O-Ring Seal Kit* Package Contents: 1 Fuel Injector O-Ring Kit* Sold Individually** Warranty On Fuel Injector O-Ring Seal Kits Against Defects...29-070300001- SKU:
- 29-070300001
- Truck Class:
- Heavy Duty
- Make:
- Isuzu
- Make:
- GMC
- Make:
- Chevrolet
- Product Type:
- Engine Parts
$24.29Qty in Cart: 0Price:$24.29Subtotal: -
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1.6MM X 22.25MM DPF Clamp Replaces 21212520 For Volvo W/ D13 Engine & Mack W/ MP8 Engines
DAYTON / DORMAN
$47.10Diesel Particulate Filter Exhaust ClampThis 1.6mm x 22.25mm DPF Exhaust Clamp delivers reliable strength and fit for Volvo and Mack exhaust systems. Constructed from corrosion-resistant stainless...29-0809205- SKU:
- 29-0809205
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Volvo
- Make:
- Mack
- Product Type:
- Exhaust
$47.10Qty in Cart: 0Price:$47.10Subtotal: -
FREE SHIPPING OVER $249
Bostrom And National Seat Adapter Kit For Peterbilt & Kenworth
BOSTROM TRUCK SEATS
$103.99Seat Adapter Kit Fits Peterbilt & KenworthAre you installing a new seat in your truck? 4 State Trucks offers this quality retrofit seat adapter kit for use with Bostrom and National Seats to fit many...6205011001- SKU:
- 6205011001
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Seats
- Position:
- Kit Full
- Location:
- Made In USA
$103.99Qty in Cart: 0Price:$103.99Subtotal: -
Stop, Turn & Tail Light Kit 10 LED 4 Inch W/ Lens Color Options
UNITED PACIFIC
$65,536.00The 10 LED 4-Inch Stop, Turn and Tail Light Kit provides a practical lighting option for trucks and trailers needing a universal round replacement light. This 4-inch LED light features a plastic/poly...PPR_205205- SKU:
- PPR_205205
- Truck Class:
- Universal
- Material Options:
- Plastic/Poly
- Shape Options:
- Round
- Make:
- Universal Items
- Diameter Options:
- 4 Inch
- Product Type:
- Lighting
$65,536.00Qty in Cart: 0Price:$65,536.00Subtotal: -
2.5 X 58 Inch Sleeper Panel W/ 4 P1 Amber/Clear LED Lights For Peterbilt 567, 579 - Pair
PHOENIX DESIGN
$367.99Sleeper Panels W/ 8 P1 Amber/Clear LED Lights Fits Peterbilt 567 & 579 W/ 58 Inch Sleeper* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 2.5 Inches Tall* With 2 P1 Clear Lens/Amber LED...01-1012051L001- SKU:
- 01-1012051L001
- Location:
- Made In USA
- Light Options:
- With Lights
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Polished
- Length Options:
- 58 Inch
- Product Type:
- Exterior
$367.99Qty in Cart: 0Price:$367.99Subtotal: -
3 Inch Sleeper Panels W/ 8 P1 Amber/Clear LED Lights For Peterbilt W/ 48/58 Inch Unibilt Sleepers No Extenders
PHOENIX DESIGN
$324.99Stainless Sleeper Panels W/ 8 P1 Amber LED Clear Lens LED Lights Fit Peterbilt W/ 48/58 Inch Unibilt Sleepers No Extenders* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 4...01-1012054L001- SKU:
- 01-1012054L001
- Light Options:
- With Lights
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Polished
- Length Options:
- 58 Inch
- Product Type:
- Exterior
$324.99Qty in Cart: 0Price:$324.99Subtotal: -
FREE SHIPPING OVER $249
2 Pack 194 Incandescent Light Bulb W/ Color Options
GRAND GENERAL
$1.97 - $5.21Replace old light bulbs with the 194 Incandescent Mini Replacement Light Bulb 2-Pack. Made for universal truck applications, these miniature incandescent bulbs operate at 12 volts and 0.27 amps and...PPR_205700- SKU:
- PPR_205700
- Truck Class:
- Universal
- Make:
- Universal Items
- Truck Class:
- Heavy Duty
- Product Type:
- Lighting
- Ready To Ship:
- Yes
- Color:
- Amber
- Color:
- Red
- Color:
- Blue
- Color:
- Various
- Color:
- Green
- Style Options:
- Incandescent
- Color:
- White/Clear
$1.97 - $5.21Qty in Cart: 0Price:$1.97 - $5.21Subtotal: -
BESTfit 4 X 8 X 12 Inch Aluminized Steel Universal Type A Y-Pipe With No Divider Plate
BESTFIT TRUCK PARTS
$256.99BESTfit 4 X 8 X 12 Inch Aluminized Steel Universal Type A Y-Pipe With No Divider PlateAre you wanting to increase engine power? 4 State trucks offers this quality Y Pipe that can improve the flow of...09-080100205- SKU:
- 09-080100205
- Diameter Options:
- 4 Inch
- Truck Class:
- Heavy Duty
- Material Options:
- Aluminized Steel
- Product Type:
- Exhaust
- Make:
- Universal Items
$256.99Qty in Cart: 0Price:$256.99Subtotal: -
3 Wire Pigtail With 3 Prong Right Angle Plug - 12 Inch Lead - 50 Pcs
UNITED PACIFIC
$53.993 Wire Pigtail With 3 Prong Right Angle Plug - 12 Inch Lead - 50 PcsThis 3-wire pigtail harness uses a 3-prong right-angle plug and comes with 12 inch lead wires, ideal for connecting trailer or...09-16020518- SKU:
- 09-16020518
- Style Options:
- 3 Prong
- Product Type:
- Lighting
- Length Options:
- 12 Inch
- Make:
- Universal Items
$53.99Qty in Cart: 0Price:$53.99Subtotal: