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How to Install Rear Fenders on a Peterbilt 379(Post)
The process of installing rear fenders on a semi truck, specifically a Peterbilt 379 model, will depend on the type of fender. Whether it’s a full fender or half fender, the difference comes down to:
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 to Find the Right FL70 Parts Using Your VIN(Post)To identify the right Freightliner FL70 parts, you must use your 17-digit VIN and the factory spec decal inside your cab, rather than relying on the exterior model badge. Because FL70 and FL80 Busines
5 Killer Axle Cover Styles to Personalize Your Semi Truck(Post)Semi truck axle covers protect the exposed axle housing from dirt and road debris while offering some really awesome-looking styles. And unlike "bigger" aftermarket purchases, like bumpers or grilles,
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
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
Enhance Your Visibility by Trying These 9 LED Marker Lights for Semi Trucks(Post)Semi truck marker lights can truly improve your nighttime visibility and safety. These lights work to outline your truck’s dimensions on the road, but they must remain DOT/FMSCA compliant; this means
The Best Aerodynamic Semi Upgrades to Boost MPG & Save on Fuel Costs(Post)Investing in fuel-efficient aftermarket parts is a great way to start saving some money at the gas pump. Whether it's a wheel cover kit or a fairing, getting the right parts can make a big difference
Commercial Semi Truck Lighting Guide(Post)Buying the right aftermarket semi truck lighting is important to any owner-operator or fleet owner who prioritizes their rig’s performance and style. But which type of light is the right choice? In
What are the Best Heavy-Duty Front Bumper Marker Lights?(Post)If you’re looking to start customizing your front bumper with marker lighting, your design options are nearly limitless. If you can dream it, we can build it, then ship it to you or an installation sh
Adapt to the Diesel Fuel Crisis Using These 10 Truck Mods(Post)Small aftermarket semi truck accessories and performance upgrades save more money over time than their upfront price suggests. Here are 10 aftermarket truck upgrades to create cost-per-mile savings. T
Quick-Fix Air Brake Line Repair Kit: Why It Belongs in Every Trucker’s Side Box(Post)When your air brake lines get damaged, it spells bad news for you and your payload on the road. Thankfully, having an emergency repair Quick-Fix NTA kit is essential for owner-operators on long hauls
How to Buy the Right Peterbilt Exhaust Kit (Installation Steps Included)(Post)Choosing the right heavy-duty aftermarket exhaust kit is important. The quality of the kit’s materials will affect the performance, visual appeal, and even DOT compliance of your Peterbilt semi truck.
Semi Truck Buying Guide: Questions to Ask Before Investing in a Rig(Post)Choosing to invest your hard-earned dollars into a class 8 big rig is a massive decision. And if you're buying a semi truck for the first-time, there's bound to be a tsunami of details being hurled yo
Semi Truck Brake System Maintenance Guide(Post)Semi-truck brake defects account for 30% of out-of-service violations, according to CVSA’s 2025 International Roadcheck. OOS violations will get you shut down on the spot - no matter what it is. Whet
Buying Bully Dog? 5 Useful Facts About Their Heavy Duty Diesel Performance Parts(Post)Bully Dog prides itself in heavy duty diesel performance parts that boost airflow, exhaust efficiency, turbo responsiveness, and engine monitoring for heavy-duty diesel engines. Here's who they are, w
The Ultimate Semi Truck Seating Guide(Post)As a truck driver, your seat is where you spend the majority of your day. It's your office. Investing in a semi truck seat with proper lumbar support and ergonomic features can pay dividends for your
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 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
3 Sleek-Looking Semi Truck Fender Flares to Accentuate Your Truck(Post)The flares on a semi truck fender can add a bit more style to the design. These don’t just look good, they also protect the truck’s body and tires from road debris and mud spray. Here are three great
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Aluminum Non-Locking Fuel Cap - Vented - Replaces A03-15682-004 For Freightliner
VELVAC
$76.99Vented Non- Locking Fuel Cap Fits FreightlinerReplace a poorly fitting fuel cap with this premium quality non-locking Velvac Fuel cap that is precision designed to deliver OE fit and functionality...03-060301- SKU:
- 03-060301
- Truck Class:
- Heavy Duty
- Diameter Options:
- 3 Inch
- Material Options:
- Aluminum
- Make:
- Freightliner
- Product Type:
- Fuel Tanks
- Style Options:
- Non Locking
- Ready To Ship:
- Yes
$76.99Qty in Cart: 0Price:$76.99Subtotal: -
6 X 8 Inch Stack Brush W/ White Tampico
AFTERMARKET
$52.996 X 8 Inch Stack Brush W/ White Tampico* High Quality Stack Brush* 6 Inch X 8 Inch * Filled With White Tampico * Is Designed For Truck Smoke Stacks * Sold Individually* Warranty On Stack Brush...09-170400005- SKU:
- 09-170400005
- Truck Class:
- Universal
- Height Options:
- 8 Inch
- Width Options:
- 6 Inch
- Make:
- Universal Items
- Product Type:
- Exhaust
- Ready To Ship:
- Yes
$52.99Qty in Cart: 0Price:$52.99Subtotal: -
Bulldog HD Front Shock Absorber Replaces 3581106C1, 3581106C2, 3581106C3, 3581107C1 For International
BULLDOG HD SHOCKS
$63.99Shock Absorber Fits International 9400i, 9900i & 9900ixFind premium shock replacements for your truck at 4 State Trucks. We carry these front Bulldog Heavy Duty Shocks, reengineered to last longer...07-050000004- SKU:
- 07-050000004
- Length Options:
- 20 Inch
- Truck Class:
- Heavy Duty
- Make:
- International
- Product Type:
- Frame & Chassis
$63.99Qty in Cart: 0Price:$63.99Subtotal: -
2 Leaf Parabolic Front Spring Replaces HK48110-1440 For Kenworth
AUTOMANN USA
$547.992 Leaf Parabolic Front Spring Fits KenworthEnhance the front suspension performance of your Kenworth truck with the 2 Leaf Parabolic Front Spring. This high-quality parabolic spring features a 2-leaf...02-050906- SKU:
- 02-050906
- Length Options:
- 64 Inch
- Width Options:
- 4 Inch
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$547.99Qty in Cart: 0Price:$547.99Subtotal: -
FREE SHIPPING OVER $249
4 X 6 Inch Stack Brush W/ White Tampico
AFTERMARKET
$52.994 X 6 Inch Stack Brush W/ White Tampico* High Quality Stack Brush* Designed To Clean 4 - 6 Inch Exhaust And Smoke Stacks * Filled With White Tampico * Circular Shaped To Wrap Around The Stack*...09-170400004- SKU:
- 09-170400004
- Truck Class:
- Universal
- Height Options:
- 8 Inch
- Width Options:
- 4 Inch
- Make:
- Universal Items
- Product Type:
- Exhaust
- Ready To Ship:
- Yes
$52.99Qty in Cart: 0Price:$52.99Subtotal: -
FREE SHIPPING OVER $249
Cabin Air Spring Replaces T811001, 7092, W023587092, W026007109, 1B15377, 1B15-377, 1B15378, 1B15-378, 578913375, 578-91-3-375, 11020083, 1102K083 For Kenworth T600, T800 AeroCabs
AUTOMANN USA
$48.29Sleeve Type Cabin Air Spring For 86 Inch Kenworth AeroCabRestore ride comfort and cab stability with this Cabin Air Spring for Kenworth T600 and T800 AeroCabs. Built as a high-quality sleeve-type air...02-09500008- SKU:
- 02-09500008
- Product Type:
- Exterior
- Length Options:
- 86 Inch
- Cab Style:
- Curved Windshield
- Make:
- Peterbilt
- Make:
- Kenworth
$48.29Qty in Cart: 0Price:$48.29Subtotal: -
2 Leaf Parabolic Steer Axle Spring - HK48110-3210 For Kenworth T300, T450, T600, T2000
AUTOMANN USA
$729.992 Leaf Parabolic Steer Axle Spring Fits Kenworth T300, T450, T600, T2000* High Quality Steer Axle Spring* 2 Leaf Parabolic* Sold Individually* Warranty On Steer Axle Springs Against Defects In...02-050900008- SKU:
- 02-050900008
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$729.99Qty in Cart: 0Price:$729.99Subtotal: -
FREE SHIPPING OVER $249
TPHD Plastic Air Line Hose - Choose Diameter/Color
TPHD
$1.41 - $2.19Ensure reliable air flow and durable performance in your truck's pneumatic system with this high-quality Plastic Air Line Hose, available in multiple diameters and colors to fit your specific...PPR_202727- SKU:
- PPR_202727
- Truck Class:
- Universal
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Truck Class:
- Heavy Duty
- Product Type:
- Air, Electrical, & Safety
- Ready To Ship:
- Yes
$1.41 - $2.19Qty in Cart: 0Price:$1.41 - $2.19Subtotal: -
Steering Tie Rod End 1-1/4 - 12- Passenger Side
AFTERMARKET
$57.99Passenger Side Steering Tie Rod End 1-1/4 - 12Ensure precise steering and reliable handling with the Steering Tie Rod End 1-1/4-12 for the passenger side. Featuring a 1.25-inch-12 right-hand stud and...29-05200015- SKU:
- 29-05200015
- Truck Class:
- Heavy Duty
- Length Options:
- 7 1/2 Inch
- Material Options:
- Steel
- Product Type:
- Frame & Chassis
$57.99Qty in Cart: 0Price:$57.99Subtotal: -
BESTfit Copper Brass 3 Radiator W/ Out Surge Tank Or Frame For Kenworth T660
BESTFIT TRUCK PARTS
$1,635.99 - $1,709.99The BESTfit Copper Brass 3 Row Radiator is the ultimate cooling solution for Kenworth T660 trucks, providing reliable performance mile after mile. Featuring three rows of copper brass, it efficiently...PPR_200050- SKU:
- PPR_200050
- Truck Class:
- Heavy Duty
- Material Options:
- Brass Copper
- Make:
- Kenworth
- Size Options:
- 3 Row
- Product Type:
- Engine Parts
$1,635.99 - $1,709.99Qty in Cart: 0Price:$1,635.99 - $1,709.99Subtotal: -
BESTfit Plastic Aluminum Radiator W/ Out Surge Tank For Kenworth T660, W900B, W900L
BESTFIT TRUCK PARTS
$652.99 - $940.99This high quality 40.5 X 31.38 inch plastic aluminum radiator fits Kenworth T660 and W900L models. The radiator does not include the surge tank or a frame.Fitment* Fits Kenworth T660 2008 thru 2011*...PPR_200055- SKU:
- PPR_200055
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Material Options:
- Aluminum
- Size Options:
- 2 Row
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$652.99 - $940.99Qty in Cart: 0Price:$652.99 - $940.99Subtotal: -
FREE SHIPPING OVER $249
1 1/4 Inch 6 LED Dual Function Light
UNITED PACIFIC
$13.47 - $16.14Make your truck stand out with the 1-1/4 Inch 6 LED Dual Function Light. Designed for universal applications, this compact round LED light features a stainless steel bezel, rubber grommet, and...PPR_204634- SKU:
- PPR_204634
- Truck Class:
- Universal
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Shape Options:
- Round
- Diameter Options:
- 1 1/4 Inch
- Product Type:
- Lighting
$13.47 - $16.14Qty in Cart: 0Price:$13.47 - $16.14Subtotal: -
3/8 X 1-1/4 Inch SS Bolt Kit
4 STATE TRUCKS
$4.17Bolt Kit - SS 3/8 X 1-1/4 Inch* High Quality Bolt Kit* Stainless Steel * 3/8 X 1-1/4 Inch* Sold As Kit* Warranty On Bolt Kits Against Defects In Workmanship & Material From Date Of Purchase*** High...09-05250009- SKU:
- 09-05250009
- Product Type:
- Frame & Chassis
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Universal Items
$4.17Qty in Cart: 0Price:$4.17Subtotal: -
Serrated Wheel Stud 1-1/8 - 16 X 3.13 Inch Driver Side
AUTOMANN USA
$8.63Driver Side Serrated Wheel Stud 1-1/8 - 16 X 3.13 Inch* High Quality Wheel Stud* Dimensions: - 1.22 Inch Body Diameter - 3.13 Inch Length - 1.53 Inch Shoulder Length - 0.38 Inch Serration Length*...09-20200152- SKU:
- 09-20200152
- Material Options:
- Steel
- Length Options:
- 3 Inch
- Truck Class:
- Universal
- Make:
- Universal Items
- Product Type:
- Wheels
$8.63Qty in Cart: 0Price:$8.63Subtotal: -
Gabriel Fleetline Steer Shock Absorber Replaces 65147, 66426
AFTERMARKET
$71.99Steer Shock Absorber Fits International* High Quality Steer Shock* Extended Length 20.39 Inch* Collapsed Length 12.99 Inch* Stroke 7.41 Inch* Sold Individually* Warranty On Steer Shocks Against...07-0500006- SKU:
- 07-0500006
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- International
- Product Type:
- Frame & Chassis
$71.99Qty in Cart: 0Price:$71.99Subtotal: -
Serrated Wheel Stud 1-1/8 - 16 X 2.41 Inch Driver Side
AUTOMANN USA
$7.78Driver Side Serrated Wheel Stud 1-1/8 - 16 X 2.41 Inch* High Quality Wheel Stud* Dimensions: - 1.22 Inch Body Diameter - 2.41 Inch Length - 1.01 Inch Shoulder Length - 0.38 Inch Serration Length*...09-20200162- SKU:
- 09-20200162
- Truck Class:
- Universal
- Length Options:
- 2 1/2 Inch
- Material Options:
- Steel
- Make:
- Universal Items
- Product Type:
- Wheels
$7.78Qty in Cart: 0Price:$7.78Subtotal: -
Air Spring & Cabin For 86 Inch For Kenworth T600, T660, T800 & W900 AeroCab
AUTOMANN USA
$42.72Air Spring & Cabin For 86 Inch Kenworth T600, T660, T800 & W900 AeroCabMaintain optimal cabin comfort and stability in your Kenworth AeroCab with this premium 86-inch cabin air spring. With a 2...02-0510013- SKU:
- 02-0510013
- Height Options:
- 10 Inch
- Truck Class:
- Heavy Duty
- Diameter Options:
- 2 Inch
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$42.72Qty in Cart: 0Price:$42.72Subtotal: -
BESTfit Charge Air Cooler 29 X 30.75 X 2.75 Inch For Kenworth T660 & W900L
BESTFIT TRUCK PARTS
$583.99 - $1,204.99The BESTfit Charge Air Cooler 29 x 30.75 In. with a 4 In. Core is an aftermarket cooler designed to fit Kenworth T660 (2008-2013) and Kenworth W900L/AeroCab (2008-2016) models, providing a durable...PPR_200175- SKU:
- PPR_200175
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Engine Parts
- Width Options:
- 30 1/2 Inch
- Height Options:
- 29 Inch
- Length Options:
- 2 3/4 Inch
$583.99 - $1,204.99Qty in Cart: 0Price:$583.99 - $1,204.99Subtotal: -
FREE SHIPPING OVER $249
Air Spring Replacement For Gen III Air Ride Suspension by BESTfit
BESTFIT TRUCK PARTS
$180.99BESTfit 12 Gauge Air Spring ReplacementRestore peak performance to your Gen III Air Ride Suspension with the BESTfit Air Spring Replacement, engineered for 12 Gauge Customs systems. Designed with a...29-051011- SKU:
- 29-051011
- Truck Class:
- Heavy Duty
- Style Options:
- Rolling Lobe
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$180.99Qty in Cart: 0Price:$180.99Subtotal: -
FREE SHIPPING
Peterbilt 359 Evaporator Replaces 400049 & NA1015 By BESTfit
BESTFIT TRUCK PARTS
$312.99BESTfit 10 X 7.625 Inch Evaporator Fits Peterbilt 359 1977-1987This BESTfit AC Evaporator Coil fits 1967 through 1987 Peterbilt 359 models. It is built to keep the inside of your cab or sleeper at...01-070034- SKU:
- 01-070034
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
$312.99Qty in Cart: 0Price:$312.99Subtotal: