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5th Wheels & Accessories

4 State Trucks offers a diverse selection of durable fifth wheel assemblies and accessories, including plates and ramps, designed to maintain a secure connection between your truck and trailer. These commercial-grade components provide the reliability and performance needed to withstand harsh road conditions and frequent use.
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  • FREE SHIPPING OVER $249
    Jost Fifth Wheel King Pin - Replaces KZ1012

    Jost Fifth Wheel King Pin - Replaces KZ1012

    AUTOMANN USA

    $185.99
    Replacement King Pin JostKeep your trailer securely connected with the Jost Fifth Wheel King Pin, a precision-engineered replacement for KZ1012. With a 2.0-inch shank and 10.240-inch length, it meets...
    19-0510515
    SKU:
    19-0510515
    Truck Class:
    Heavy Duty
    Width Options:
    10 Inch
    Make:
    Trailer
    Product Type:
    Frame & Chassis
    $185.99
    Qty in Cart: 0
    Price:
    $185.99
    Subtotal:
  • Black Fiberglass Jost 5Th Wheel Cover

    Black Fiberglass Jost 5Th Wheel Cover

    WTI FENDERS

    $327.99
    5th Wheel Cover* Made Of High Quality Black Fiberglass* Fits Jost Wheel Only* Great Asset When Showing Off Your Truck* Cover Up A Greasy Fifth Wheel In Seconds* Designed With Show Trucks In Mind*...
    09-11001
    SKU:
    09-11001
    Truck Class:
    Heavy Duty
    Color:
    Various
    Location:
    Made In USA
    Material Options:
    Fiberglass
    Make:
    Universal Items
    Product Type:
    Exterior
    $327.99
    Qty in Cart: 0
    Price:
    $327.99
    Subtotal:
  • Minimizer Jost JSK37H 5th Wheel Slick Plate Mounting Kit 100088 - Bar Not Included

    Minimizer Jost JSK37H 5th Wheel Slick Plate Mounting Kit 100088 - Bar Not Included

    MINIMIZER

    $53.99
    Minimizer Slick Plate 100088 Jost FW 37th Mounting Hardware Kit* High Quality Mounting Hardware Kit* 100088 Jost FW 37H Mounting Hardware Kit* Ram Bar Not Included* Sold Individually* Warranty On...
    09-0511066
    SKU:
    09-0511066
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Minimizer Slick Plate Ram Bars For 100088 JSK37H - Bars Only

    Minimizer Slick Plate Ram Bars For 100088 JSK37H - Bars Only

    MINIMIZER

    $56.99
    Minimizer Slick Plate Ram Bars For 100088 JSK37H* High Quality Slick Plate Ram Bars* For 100088 JSK37H* No Hardware Just Bars* 5.75 Inch Length* Sold Individually* Warranty On Slick Plate Ram Bars...
    09-0511065
    SKU:
    09-0511065
    Location:
    Made In USA
    Truck Class:
    Universal
    Length Options:
    6 Inch
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • Minimizer Slick Plate 100061 FW 35 Ram Bars

    Minimizer Slick Plate 100061 FW 35 Ram Bars

    MINIMIZER

    $65.99
    Minimizer Slick Plate 100061 FW 35 Ram Bars - Bars Only* High Quality Ram Bars* FW 35 Ram Bars Only* Hardware Not Included, Please See Part 09-0511063 For Hardware* For Slick Plate 09-05110218 - Sold...
    09-0511064
    SKU:
    09-0511064
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • Mounting Hardware Kit For 5th Wheel Slick Plate

    Mounting Hardware Kit For 5th Wheel Slick Plate

    MINIMIZER

    $93.99
    Hardware Kit For Mounting Minimizer 5th Wheel Slick Plate* High Quality Hardware Kit* Mounting Hardware For 5th Wheel Slick Plate* Includes:  - Bolts  - Washers  - Nuts* Ram Bar And 5th Wheel Slick...
    09-0511063
    SKU:
    09-0511063
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • FREE SHIPPING OVER $249
    31 Inch Chrome 5th Wheel Pin Puller With S Hook & Bar Style Handle

    31 Inch Chrome 5th Wheel Pin Puller With S Hook & Bar Style Handle

    UNITED PACIFIC

    $14.96
    31 Inch Chrome Fifth Wheel Pin Puller With HookThis multiple purpose 5th wheel pin puller is designed to help you release the king pin without the need to climb under the trailer and use two hands to...
    09-05110509
    SKU:
    09-05110509
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $14.96
    Qty in Cart: 0
    Price:
    $14.96
    Subtotal:
  • FREE SHIPPING OVER $249
    Sliding 5th Wheel Coiled Air Line With Cold Temp Resistance

    Sliding 5th Wheel Coiled Air Line With Cold Temp Resistance

    UNITED PACIFIC

    $14.79
    Sliding Fifth Wheel Coiled Air Line With 1/4 Inch Male Pipe ConnectorThis high quality 5th wheel coiled air line is made with a cold temperature resistant nylon and can be recoiled smaller for easy...
    09-05110508
    SKU:
    09-05110508
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $14.79
    Qty in Cart: 0
    Price:
    $14.79
    Subtotal:
  • 24 Inch Chrome Steel 5th Wheel Pin Puller W/ 5 Inch Wide Red Coated Grip

    24 Inch Chrome Steel 5th Wheel Pin Puller W/ 5 Inch Wide Red Coated Grip

    GRAND GENERAL

    $17.25
    Heavy Duty Fifth Wheel Pin PullerNeed to adjust your axle weight and 5th wheel lock quickly? 4 State Trucks offers this heavy duty 5th Wheel Puller Tool. Made of chrome plated steel, the body...
    09-05110507
    SKU:
    09-05110507
    Length Options:
    24 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    $17.25
    Qty in Cart: 0
    Price:
    $17.25
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Heavy Duty 36 Inch Fifth Wheel Pin Puller W/ Hook

    Chrome Heavy Duty 36 Inch Fifth Wheel Pin Puller W/ Hook

    TRUX ACCESSORIES

    $16.05
    5th Wheel Pin PullerReach and release a king pin from under your trailer with this chrome steel 5th Wheel Puller with hook. It measures 36 inches long and has a wide handle for easy use.* High...
    09-05110505
    SKU:
    09-05110505
    Width Options:
    4 Inch
    Length Options:
    36 Inch
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $16.05
    Qty in Cart: 0
    Price:
    $16.05
    Subtotal:
  • 5th Wheel Slick Plate

    5th Wheel Slick Plate

    MINIMIZER

    $329.99
    5th Wheel Slick Plate* High Quality Slick Plate* For Fontaine 5th Wheel* Sold Individually* Warranty On Plate Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    09-051105
    SKU:
    09-051105
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $329.99
    Qty in Cart: 0
    Price:
    $329.99
    Subtotal:
  • 3000 Series Fontaine 5th Wheel Slick Plate

    3000 Series Fontaine 5th Wheel Slick Plate

    MINIMIZER

    $336.99
    Slick Plate For 3000 Series Fontaine Fifth Wheel* High Quality Slick Plate* Dimensions   - 35 Inch Length   - 26.5 Inch Width   - 6 Inch Height* The Non-Stick Polymer Surface Eliminates The Need To...
    09-05110404
    SKU:
    09-05110404
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $336.99
    Qty in Cart: 0
    Price:
    $336.99
    Subtotal:
  • Minimizer Fontaine 5th Wheel Slick Plate 29 X 35.5 Inch

    Minimizer Fontaine 5th Wheel Slick Plate 29 X 35.5 Inch

    MINIMIZER

    $336.99
    Fontaine 29 X 35.5 Inch 5th Wheel Slick PlateThis 29 Inch X 35.5 Inch Fontaine 5th Wheel Slick Plate eliminates the need to grease your fifth wheel and provides an easy, clean way to protect and...
    09-05110403
    SKU:
    09-05110403
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $336.99
    Qty in Cart: 0
    Price:
    $336.99
    Subtotal:
  • Minimizer Fontaine 5th Wheel Slick Plate For Top Plate 6000 No Slack II

    Minimizer Fontaine 5th Wheel Slick Plate For Top Plate 6000 No Slack II

    MINIMIZER

    $336.99
    Fontaine Fifth Wheel Slick PlateThe Premier 5th Wheel Slick Plate protects the fifth wheel and eliminates the need for greasing the top plate. Installation is a breeze and the kit comes with all...
    09-05110401
    SKU:
    09-05110401
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $336.99
    Qty in Cart: 0
    Price:
    $336.99
    Subtotal:
  • Jost 5th Wheel Nylon Collar Replaces SK 3015-95

    Jost 5th Wheel Nylon Collar Replaces SK 3015-95

    AUTOMANN USA

    $13.60
    5th Wheel Nylon CollarExtend the life of your fifth wheel system with the Jost 5th Wheel Nylon Collar, designed to replace SK 3015-95. High-quality nylon construction measures 3.00 inches in width...
    09-05110263
    SKU:
    09-05110263
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Nylon
    Product Type:
    Frame & Chassis
    $13.60
    Qty in Cart: 0
    Price:
    $13.60
    Subtotal:
  • 8.75 Inch Fontaine Riser 5th Wheel Air Slide Bracket

    8.75 Inch Fontaine Riser 5th Wheel Air Slide Bracket

    OPP - ORIGINAL PARTS PROGRAM

    $1,985.99
    8.75 Inch Fontaine Riser 5th Wheel Air Slide BracketNeed a solid replacement for your Fontaine 6000, 7000, or 7000CC 5th wheel top plates? The Fontaine riser is 8 3/4 inches high and includes an air...
    09-05110259
    SKU:
    09-05110259
    Color:
    Black
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $1,985.99
    Qty in Cart: 0
    Price:
    $1,985.99
    Subtotal:
  • Holland Simplex SE 5th Wheel Slick Plate Kit 25.5 X 36 Inch

    Holland Simplex SE 5th Wheel Slick Plate Kit 25.5 X 36 Inch

    MINIMIZER

    $358.99
    Fifth Wheel Slick Plate For 25.5 X 36 Inch Top Plates* High Quality Slick Plate* For Upper Fuel Tank Bracket* Made Of Stainless Steel * Full Radius* Fits Peterbilts With 26 Inch Diameter Fuel Tanks*...
    09-05110257
    SKU:
    09-05110257
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $358.99
    Qty in Cart: 0
    Price:
    $358.99
    Subtotal:
  • Minimizer Holland 5th Wheel Slick Plate 25.5 X 36 Inch

    Minimizer Holland 5th Wheel Slick Plate 25.5 X 36 Inch

    MINIMIZER

    $358.99
    Holland 25.5 X 36 Inch 5th Wheel Slick PlateThis 25.5 Inch X 36 Inch Holland 5th Wheel Slick Plate eliminates the need to grease your fifth wheel and provides an easy, clean way to protect and extend...
    09-05110254
    SKU:
    09-05110254
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $358.99
    Qty in Cart: 0
    Price:
    $358.99
    Subtotal:
  • Minimizer Holland 5th Wheel Slick Plate 32.5 X 37 Inch

    Minimizer Holland 5th Wheel Slick Plate 32.5 X 37 Inch

    MINIMIZER

    $336.99
    Holland 32.5 X 37 Inch 5th Wheel Slick PlateThis 32.5 Inch X 37 Inch Minimizer Holland 5th Wheel Slick Plate eliminates the need to grease your fifth wheel and provides an easy, clean way to protect...
    09-05110253
    SKU:
    09-05110253
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    $336.99
    Qty in Cart: 0
    Price:
    $336.99
    Subtotal:
  • Holland Slick Plate Kit For FWAL, FW31 & FW33 Top Plates

    Holland Slick Plate Kit For FWAL, FW31 & FW33 Top Plates

    MINIMIZER

    $319.99
    Holland Slick Plate KitThis 22.25 Inch X 16.25 Inch Minimizer Holland 5th Wheel Slick Plate eliminates the need to grease your fifth wheel and provides an easy, clean way to protect and extend the...
    09-05110252
    SKU:
    09-05110252
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Frame & Chassis
    Availability:
    Ready To Ship
    $319.99
    Qty in Cart: 0
    Price:
    $319.99
    Subtotal:
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Adding your products to cart

Shop Holland, JOST or Fontaine 5th Wheel Products

Replace and upgrade your fifth wheel top plate assembly with sturdy aftermarket parts. Filter by popular 5th wheel brands like Holland, JOST, or Fontaine. It’s easy to restore clunk, slack, and vibration with relevant 5th wheel accessories. Add more security with kingpin locks or grab a slider and hinge hardware for better accessibility.

Add Quality 5th Wheel Top Plates & Replacement Hardware

- Lube plates: Reduce friction between the kingpin and hitch plate. - Kingpin locks: Protect your trailer when left unattended. - Pins, clips, and wedges: Keep parts tight and properly aligned. - Rotating pin boxes: Improve turning radius and eliminate harsh angles. - Safety chain loops: Add extra security for your trailer. - Pads and cushions: Minimize wear and absorb shock during towing. - Storage solutions: Keep your hitch accessories organized on or off the road. Whether you’re looking for replacement trailer parts, 5th wheel storage options, or performance accessories, you’ll find reliable options designed to fit your make/model.

How to Choose the Right Semi Truck Fifth Wheel

Start with Your Goal: Replace the top plate/assembly (cracks, binding, worn lock jaw, excessive wear). Reduce clunk/slack (coupling kits, slack reducers, cushions). Improve sliding performance (slider bracket/pins, low-lube plates). Increase security (kingpin locks, safety chain loops). Confirm the Fitment: Do you have a slider (adjustable) or a fixed (rigid) fifth wheel? Is it an air release or manual release (if you’re upgrading)? Are there visible wear points (jaw, wedge, pivot/hinge points)? Remember, you can also purchase inboard or outboard styles, a standard profile or low profile configuration, and various slide bracket sizes depending on whether you have an older, cast-iron style 5th wheel or a lightweight newer model. Need some tips on how to select the right product? Learn about 5th wheel differences in trucks, or call our team for specific in-stock product information.

Frequently Asked Questions About 5th Wheels & Accessories

How do I know which fifth wheel hitch is right for my truck and trailer setup?

The right fifth wheel depends on your truck's frame and rail configuration, the gross combined weight rating you need to support, and the type of trailer you're pulling. Check your truck manufacturer's specifications for compatible mounting systems, and compare that against the weight capacity and kingpin design of the fifth wheel you're considering. If you're unsure, our team can help match a unit to your specific application.

What is the difference between a sliding and a fixed fifth wheel?

A fixed fifth wheel stays in one position on the frame, while a sliding fifth wheel can move forward or backward to adjust weight distribution across the axles. Sliding models offer more flexibility for varying trailer lengths and axle weight requirements, but they typically involve more moving parts to maintain. Your choice should be based on how often you need to adjust axle loads and the type of hauling you do.

How often should I grease or maintain my fifth wheel?

Regular greasing of the fifth wheel plate is essential to reduce wear between the truck and trailer connection and to keep the coupling operating smoothly. Most manufacturers recommend greasing at every trailer hookup or at set mileage intervals, so check your specific fifth wheel's documentation for exact guidance. Routine inspection of the locking mechanism, pivot points, and mounting hardware should be part of the same maintenance schedule.

What accessories are commonly used alongside a fifth wheel?

Common accessories include fifth wheel grease, locking pin covers, air-operated release cables, safety latches, and mounting brackets or rail kits. These accessories help improve ease of use, extend the life of the fifth wheel, and support proper installation. Selecting accessories designed for your specific fifth wheel model helps ensure they fit and function correctly.

Can I install a fifth wheel myself, or should I have it professionally installed?

Installation involves precise mounting to the truck frame and correct alignment with the kingpin, so many owners choose to have this done by a qualified technician or shop with the right lifting equipment. If you have experience with heavy-duty truck components and access to proper tools, self-installation is possible, but improper mounting can affect towing safety and performance. Always follow the manufacturer's installation instructions and torque specifications regardless of who performs the install.


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