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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
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
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 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
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
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.
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
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
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
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
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
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
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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BESTfit Oil Pan Isolator Seal Gasket For Caterpillar C15 & Late 3406E Engines
BESTFIT TRUCK PARTS
$119.99BESTfit Diesel CAT C15 & Late 3406E Oil Pan GasketMade of HNBR rubber, this oil pan gasket seal has a one piece design and can withstand service temperatures of -40 to 115C. It is resistant to fuel,...09-071685248- SKU:
- 09-071685248
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Engine Parts
$119.99Qty in Cart: 0Price:$119.99Subtotal: -
7 LED 194/168 Dome Type Bulb
GRAND GENERAL
$14.46Revamp your truck lighting with the 7 LED 194/168 Dome Type Bulb. This LED replacement bulb uses the 194/168 bulb number and a dome-style design, making it a direct replacement for compatible...PPR_205754- SKU:
- PPR_205754
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$14.46Qty in Cart: 0Price:$14.46Subtotal: -
10 LED 194/168 Tower Style Bulb
GRAND GENERAL
$15.19The 10 LED 194/168 Tower Style Bulb is an LED replacement for select truck lighting applications. Designed for 12-volt systems, this tower-style bulb uses 5630 SMD LEDs, with the white version...PPR_205757- SKU:
- PPR_205757
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$15.19Qty in Cart: 0Price:$15.19Subtotal: -
194/168 Tower Style 6 LED Light Bulb
GRAND GENERAL
$14.25 - $14.72Refresh truck lighting with the 194/168 Tower Style 6 LED Light Bulb. Made as an aftermarket replacement for 194/168 bulbs, this 12-volt tower-style bulb uses six 5630 SMD LEDs, with two positioned...PPR_205747- SKU:
- PPR_205747
- Truck Class:
- Universal
- Make:
- Universal Items
- Material Options:
- Aluminum
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$14.25 - $14.72Qty in Cart: 0Price:$14.25 - $14.72Subtotal: -
FREE SHIPPING OVER $249
Chrome Bezel For 168 Series Lights
PETERSON MFG
$2.74168 Series Bezel* High Quality Bezel* Chrome Plated* Fits M168 Series Lights* Bezel Only* Sold Individually* Made In USA* Warranty On Bezel Against Defects In Workmanship & Material From Date Of...09-1605073- SKU:
- 09-1605073
- Location:
- Made In USA
- Truck Class:
- Universal
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Finish Options:
- Chrome-Plated
- Product Type:
- Lighting
$2.74Qty in Cart: 0Price:$2.74Subtotal: -
Oil Plug Replaces 168-2288, 1682288 For Caterpillar C7 Engines
AUTOMANN USA
$15.240.953 Inch Oil Plug W/ 1.122 Inch A/F & M18 x 1.5 ThreadReplace worn or damaged plugs with this premium Oil Plug for Caterpillar C7 engines. With a 1.122-inch A/F, 0.953-inch length, and M18 x 1.5...29-07200009- SKU:
- 29-07200009
- Product Type:
- Engine Parts
- Style Options:
- Caterpillar
- Make:
- Universal Items
$15.24Qty in Cart: 0Price:$15.24Subtotal: -
FREE SHIPPING OVER $249
2 Inch 2 Diode Red LED 168 Marker Light
PETERSON MFG
$14.02Clearance/Marker Light* High Quality Light* LED 168* LED 2 Diodes* Red Light* Sold Individually* Made in the USA* Warranty on lights against defects in workmanship & material from date of purchase...09-160106081- SKU:
- 09-160106081
- Truck Class:
- Universal
- Make:
- Universal Items
- Location:
- Made In USA
- Color:
- Red
- Material Options:
- Plastic/Poly
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$14.02Qty in Cart: 0Price:$14.02Subtotal: -
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 Sleeper Panels W/ 4 P1 Amber/Clear LED Lights, 12 In Spacing For Peterbilt W/ 36/44 Inch Unibilt Sleepers No Extenders
PHOENIX DESIGN
$266.99Sleeper Panels W/ 4 P1 Amber LED Clear Lens LED Lights Fit Peterbilt W/ 36/44 Inch Unibilt Sleepers* High Quality Sleeper Panels * Made Of 304 Stainless Steel * 3 Inch* With 2 P1 Amber/Clear LED...01-10123168- SKU:
- 01-10123168
- Light Options:
- With Lights
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Finish Options:
- Polished
- Make:
- Peterbilt
- Length Options:
- 44 Inch
- Product Type:
- Exterior
$266.99Qty in Cart: 0Price:$266.99Subtotal: -
4 Inch SS Sleeper Panels W/ 18 Amber/Amber P3 LEDs For Peterbilt W/ 63/72 Inch Unibilt Sleeper
PHOENIX DESIGN
$589.994 Inch Stainless Steel Sleeper Panels Fits Peterbilt W/ 63/72 Inch Unibilt Sleeper - No Extenders* High Quality Sleeper Panels* Made of high quality 304 Stainless Steel* 1 (Pair) Stainless Sleeper...01-101200168- SKU:
- 01-101200168
- Light Options:
- With Lights
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Length Options:
- 72 Inch
- Make:
- Peterbilt
- Finish Options:
- Polished
- Product Type:
- Exterior
$589.99Qty in Cart: 0Price:$589.99Subtotal: -
Isspro 3 Inch Type J Pyrometer 0-1000F W/ Black Bezel, Black Face, Red Pointer
ISSPRO
$221.993 Inch Type J Pyrometer 0-1000F W/ Black Bezel, Black Face & Red Pointer* High Quality Pyrometer* Type J* 3 Inch* 0-1000F* With Black Bezel, Black Face, Red Pointer* Sold Individually* Made In USA*...09-150100168- SKU:
- 09-150100168
- Color:
- Red
- Diameter Options:
- 3 Inch
- Truck Class:
- Universal
- Location:
- Made In USA
- Style Options:
- Analog
- Shape Options:
- Round
- Make:
- Universal Items
- Product Type:
- Interior
$221.99Qty in Cart: 0Price:$221.99Subtotal: -
AirDog Low Pressure Indicator Light Kit W/ 5 PSI Pressure Switch & 45 Degree Elbow Adapter
AIRDOG HD
$134.00Low Pressure Indicator Light Kit W/ 5 PSI Pressure Switch & 45 Degree Elbow Adapter By AirDog* High Quality Low Pressure Indicator Light Kit* Warning Light Illuminates If Fuel Pressure Drops Below 5...09-07030168- SKU:
- 09-07030168
- Product Type:
- Engine Parts
$134.00Qty in Cart: 0Price:$134.00Subtotal: -
FREE SHIPPING OVER $249
1 Diode Bulkhead Light - Amber LED/ Clear Lens
AFTERMARKET
$16.92Amber LED Clear Lens Bulkhead Light Threaded W/ Backing NutLooking for a simple light that can withstand heavy use and exposure to extreme conditions? 4 State Trucks offers this high quality single...09-160101168- SKU:
- 09-160101168
- Truck Class:
- Universal
- Color:
- Amber
- Make:
- Universal Items
- Product Type:
- Lighting
- Ready To Ship:
- Yes
$16.92Qty in Cart: 0Price:$16.92Subtotal: -
Rear AC Light Panels W/ P3 Red LEDs/ Clear Lens For Peterbilt 378, 379, 388, 389 - Pair
PHOENIX DESIGN
$257.99Rear Air Cleaner Panels W/ 6 P3 Red LEDs On Each PanelGive your Peterbilt 378, 379, 388, or 389 a durable lighting upgrade with these Rear AC Light Panels featuring twelve P3 red LED lights housed...01-0905168- SKU:
- 01-0905168
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Make:
- Peterbilt
- Material Options:
- Stainless Steel
- Product Type:
- Exterior
$257.99Qty in Cart: 0Price:$257.99Subtotal: -
Bostrom Isolator Assembly W/ Driver Side Seat Swivel
BOSTROM TRUCK SEATS
$531.99Bostrom Seat Swivel - Base Not IncludedExperience superior cab ergonomics with the Bostrom Isolator Assembly with Driver Side Swivel. Designed exclusively for Bostrom T Series seats, this assembly...6222168003- SKU:
- 6222168003
- Truck Class:
- Heavy Duty
- Style Options:
- Swivel
- Make:
- Universal Items
- Product Type:
- Seats
$531.99Qty in Cart: 0Price:$531.99Subtotal: -
Stainless Steel Wide / Standard Cowl Panels W/ 8 - 3/4 Inch Round Amber/Clear LEDs For Peterbilt 389 131BBC 2018 - Current
PHOENIX DESIGN
$313.99Stainless Steel Standard/Wide Cowl Panels W/ 8 - 3/4 Inch Round Amber LED Clear Lens Lights Fit Peterbilt 389 131BBC* High Quality Cowl Panel* Made Of 304 Stainless Steel* 4 - 3/4 Inch Lights Per...01-091201168- SKU:
- 01-091201168
- Light Options:
- With Lights
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Paintable
- Length Options:
- 27 Inch
- Product Type:
- Exterior
$313.99Qty in Cart: 0Price:$313.99Subtotal: -
Stainless Steel Cab Panels W/ 8 P1 Light Holes, Block Heater Plug, Step Light Hole For Kenworth T800, W900
PHOENIX DESIGN
$205.99Cab Panels W/ 8 P1 Light Holes, Block Heater Plug, Step Light Hole Fits Kenworth T800 & W900* High Quality Cab Panel* Made Of 304 Stainless Steel* 4 P1 Light Holes Per Side* Lights Not Included * 8...02-091200168- SKU:
- 02-091200168
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Kenworth
- Finish Options:
- Paintable
- Length Options:
- 40 Inch
- Light Options:
- Without Lights
- Product Type:
- Exterior
$205.99Qty in Cart: 0Price:$205.99Subtotal: -
Go Rhino Black Steel Side Bar & Brackets - Complete Kit W/ 5 In. Step Pads For Jeep Gladiator JT W/ 4 Doors & Crew Cab
GO RHINO
$581.87Jeep Gladiator J Black Steel Contoured 5 Inch Wide Ellipse Shaped Side Bars & Brackets* High Quality Side Bar And Brackets* Made Of Aluminum* Textured Black Powder Coat* Corrosion-Resistant Aluminum...V3451687T- SKU:
- V3451687T
- Width Options:
- 5 Inch
- Color:
- Black
- Truck Class:
- Light Duty
- Material Options:
- Aluminum
- Make:
- Jeep
- Product Type:
- Frame & Chassis
$581.87Qty in Cart: 0Price:$581.87Subtotal: -
On SaleLimited Quantity AvailableFREE SHIPPING OVER $249
3 LB Sledge Hammer W/ 14 Inch Fiberglass Handle
AFTERMARKET
Now: $18.47Was: $35.69Carbon Steel Sledge HammerKeep this No. 3 Sledge Hammer handy in your toolbox. It is great for making emergency repairs, breaking up concrete or asphalt, driving stakes to secure posts or tents, and...09-21000168- SKU:
- 09-21000168
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Tools
- Ready To Ship:
- Yes
Now: $18.47Was: $35.69Qty in Cart: 0Price:Now: $18.47Was: $35.69Subtotal: -
Purple Super Kit W/ Adapter For 13-18 Speed Shifters
TWISTED SHIFTERZ
$402.99Purple Semi Truck Air Shifter Threaded Adapter Kit Fits 13-18 Speed ShiftersUpgrade your truck's shifter assembly with the Purple Super Kit for 13-18 Speed Shifters. Crafted from high-quality CNC...09-151300168- SKU:
- 09-151300168
- Product Type:
- Interior
- Material Options:
- Aluminum
- Color:
- Purple
- Location:
- Made In USA
- Make:
- Universal Items
$402.99Qty in Cart: 0Price:$402.99Subtotal: