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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 Exhaust Manifold Buyer's Guide(Post)This guide covers everything you need to know about aftermarket semi truck manifolds, alongside useful information about the various manifold brands we sell. After reading, you'll be able to accuratel
The Best Exterior & Interior Tractor Trailer Accessories to Level Up Your Truck(Post)One of the best ways to start improving you rig's safety, comfort, and performance is by adding some aftermarket tractor trailer accessories, whether it's a set of pintle hooks for stronger towing or
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
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
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
Best Semi Truck Accessories to Control Summer Heat in the Cab(Post)Keeping your Class 8 semi truck cab space cool and comfortable involves more than just blasting the A/C 24/7. In this post, we'll cover the best semi truck accessories help keep your cab cool and comf
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
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
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
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
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
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
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
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
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
Blatant Signs Your Turbocharger is Failing (And When to Replace it) (Post)If your semi truck turbocharger is failing, you'll encounter a few common signs. In this post, we'll cover what those are, and similar symptoms that aren't actually the turbo, but a related part. Sig
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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: -
On SaleLimited Quantity Available
Fixed A/C Blue Orifice Tube For Ford, Sterling
BESTFIT TRUCK PARTS
Now: $1.24Was: $1.77Air Conditioner Orifice Tube for Automotive ReplacementOur BESTfit valves provide the same high-quality, reliable, and durable performance as factory parts. They effectively restore A/C performance...09-070013- SKU:
- 09-070013
- Material Options:
- Plastic/Poly
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Engine Parts
- Ready To Ship:
- Yes
Now: $1.24Was: $1.77Qty in Cart: 0Price:Now: $1.24Was: $1.77Subtotal: -
Painted Bumper By BESTfit For GMC Topkick & C Series
BESTFIT TRUCK PARTS
$396.99BESTfit Gray Painted Bumper Fits GMCKeep your GMC TopKick or C Series looking sharp while providing superior protection with the BESTfit Painted Bumper. Finished in gray, this bumper resists road...12-010102- SKU:
- 12-010102
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Mack
- Product Type:
- Bumpers
- Ready To Ship:
- Yes
$396.99Qty in Cart: 0Price:$396.99Subtotal: -
FREE SHIPPING OVER $249
USB Cable To USB-C Connector Charging Cord
AFTERMARKET
$15.60 - $20.80Keep your devices powered up with the USB Cable to USB-C Connector Charging Cord, a practical accessory for everyday use. This aftermarket USB-C charging cable is available in several options to suit...PPR_206280- SKU:
- PPR_206280
- Truck Class:
- Universal
- Make:
- Universal Items
- Truck Class:
- Heavy Duty
- Product Type:
- Electronics
$15.60 - $20.80Qty in Cart: 0Price:$15.60 - $20.80Subtotal: -
Radiator Mount Bushing 1.875 Inch C To C For Freightliner
AFTERMARKET
$56.99Freightliner Radiator Mount Bushing* High Quality Radiator Mount Bushing* Thread- 1/2 Inch-13 -4* 1.875 Inch C To C* Sold Individually* Warranty On Radiator Mount Bushings Against Defects In...03-07020004- SKU:
- 03-07020004
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Product Type:
- Frame & Chassis
$56.99Qty in Cart: 0Price:$56.99Subtotal: -
Replacement Trailer Mounting Plate For Hendrickson Replaces C-20041-1, C20041-2, C200412
AFTERMARKET
$170.99Choose Option(s) to see description.Fitment** Fits Various Makes And Models Of TrailersMounting Plate Driver Side Replaces C-20041-1 For HendricksonReplacement Mounting Plate Driver Side* High...PPR_300030- SKU:
- PPR_300030
- Truck Class:
- Heavy Duty
- Product Type:
- Trailer
- Make:
- Trailer
- Position:
- Passenger Side
- Position:
- Driver Side
$170.99Qty in Cart: 0Price:$170.99Subtotal: -
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
Ball Style Hood Latch Replaces K147-107 & K147-C-106 For Kenworth T300, T600, T800 & W900
BESTFIT TRUCK PARTS
$16.01Kenworth Ball Style Hood LatchAre you having trouble keeping your latch closed on your hood? 4 State Trucks has the quality aftermarket part that will get your hood back into working order. This ball...02-124001- SKU:
- 02-124001
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Color:
- Black
- Material Options:
- Rubber
- Product Type:
- Hood Parts & Acc.
- Ready To Ship:
- Yes
$16.01Qty in Cart: 0Price:$16.01Subtotal: -
Z Beam Assembly, 18-1/4 Inch C-To-C
AFTERMARKET
$392.9918-1/4Inch C-To-C Z Beam Assembly Replaces D0020061 , 0045561The Z Beam Assembly, 18-1/4 Inch C-To-C, is built for trucks requiring robust suspension support. Its fabricated design and 18-1/4-inch...29-05200027- SKU:
- 29-05200027
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Trailer
- Product Type:
- Frame & Chassis
$392.99Qty in Cart: 0Price:$392.99Subtotal: -
Drag Link 31 Inch C To C Replaces J20-6011, L24VU8595A11, L24VU8595A11L For Kenworth, Peterbilt
AUTOMANN USA
$186.9931 Inch C To C Drag Link Replaces J20-6011, L24VU8595A11, L24VU8595A11LProtect your steering system with this 31 Inch Drag Link, built for Kenworth and Peterbilt trucks. The C to C length of 31...29-05090088- SKU:
- 29-05090088
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Length Options:
- 31 Inch
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$186.99Qty in Cart: 0Price:$186.99Subtotal: -
Rear Of Rear Spring Hanger 3 Inch Replaces E0HZ5775C, E0HZ-5775-C For Ford F600, F700, LTL9000
AFTERMARKET
$205.99Ford Drive Axle Spring Hanger* High Quality Spring Hanger* 3.0 Inch Spring* 7.875 Inch C To C* Rear Of Rear* Made In USA* Sold Individually* Warranty On Spring Hangers Against Defects In Workmanship...05-05100003- SKU:
- 05-05100003
- Product Type:
- Frame & Chassis
- Truck Class:
- Heavy Duty
- Make:
- Ford
- Position:
- Rear
$205.99Qty in Cart: 0Price:$205.99Subtotal: -
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: -
Drag Link 30 1/4 Inch C To C - 54674 For Blue Bird
AFTERMARKET
$199.99Blue Bird 30 1/4 Inch C to C Drag Link Replaces 54674* High Quality Drag Link* 30.25 Inch C To C* 14.50 Inch E To E* Shaft Diameter- 1.44 Inch* Shaft Side Thread- 1-1/8 Inch-12 * Taper Pin Minor...30-05090014- SKU:
- 30-05090014
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Bus
- Product Type:
- Frame & Chassis
$199.99Qty in Cart: 0Price:$199.99Subtotal: -
Aluminum A/C-Heater Box W/ Loaded Assembly 16.9 X 17.3 Inch For Kenworth W900, T800, T660 & T600 Replaces F31-1036-1, K1425351
SOARING EAGLE
$1,427.9916.9 X 17.3 Inch Aluminum A/C-Heater Box W/ Loaded Assembly Replaces F31-1036-1, K1425351 Fits Kenworth W900, T800, T660 & T600Upgrade your Kenworth heating and cooling system with the Soaring Eagle...02-1503032- SKU:
- 02-1503032
- Product Type:
- Interior
$1,427.99Qty in Cart: 0Price:$1,427.99Subtotal: -
Z Beam Assembly, 18-1/4 Inch C-To-C For Hendrickson Turner Lift Axle
AFTERMARKET
$318.9918-1/4Inch C-To-C Z Beam Assembly Replaces D0020062 , 0045562Replace worn or damaged components with the High-Quality Z Beam Assembly, 18-1/4 Inch C-To-C, designed for Hendrickson Turner lift axle...29-05200026- SKU:
- 29-05200026
- Truck Class:
- Heavy Duty
- Material Options:
- Steel
- Make:
- Trailer
- Product Type:
- Frame & Chassis
- Ready To Ship:
- Yes
$318.99Qty in Cart: 0Price:$318.99Subtotal: