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Seats Base Adapters & Covers

We offer a wide range of premium semi-truck seating options from industry leaders like Bostrom, Seats Inc., and Knoedler. Elevate your driving experience with our luxurious choices, including air ride, legacy, and aftermarket truck seats, all designed for maximum comfort during long hauls. Whether you drive a Peterbilt, Kenworth, Freightliner, or any major make, we have a variety of seats to choose from.
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  • OE Tweed Style Seat Cover For National High Back Seats With Armrest Covers & Color Options

    OE Tweed Style Seat Cover For National High Back Seats With Armrest Covers & Color Options

    FIA

    $210.99
    Elevate your cab with the OE tweed style seat cover for National high back seats with armrest covers, a practical interior upgrade. Made from a rugged tweed-style fabric, it is intended to provide...
    PPR_203574
    SKU:
    PPR_203574
    Truck Class:
    Heavy Duty
    Material Options:
    Cloth
    Style Options:
    High Back
    Make:
    Universal Items
    Product Type:
    Seats
    $210.99
    Qty in Cart: 0
    Price:
    $210.99
    Subtotal:
  • OE Tweed Style Seat Cover For Bostrom Wide Ride High Back Seats With Armrest Covers & Color Options

    OE Tweed Style Seat Cover For Bostrom Wide Ride High Back Seats With Armrest Covers & Color Options

    FIA

    $210.99
    Maximize the interior of your rig with this OE tweed style seat cover designed for Bostrom Wide Ride high back seats with armrest covers, available in multiple color options. Built as a custom-fit...
    PPR_203573
    SKU:
    PPR_203573
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Product Type:
    Seats
    $210.99
    Qty in Cart: 0
    Price:
    $210.99
    Subtotal:
  • OE Tweed Style Seat Cover For Bostrom T-Series Mid-Back Seats With Armrest Covers & Color Options

    OE Tweed Style Seat Cover For Bostrom T-Series Mid-Back Seats With Armrest Covers & Color Options

    FIA

    $210.99
    Improve your setup with this OE tweed style seat cover designed for Bostrom T-Series mid-back seats with armrest covers, available in multiple color options. Built as a custom-fit aftermarket seat...
    PPR_203572
    SKU:
    PPR_203572
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Product Type:
    Seats
    $210.99
    Qty in Cart: 0
    Price:
    $210.99
    Subtotal:
  • OE Tweed Style Seat Cover For Bostrom T-Series High Back Seats With Armrest Covers W/ Color Options

    OE Tweed Style Seat Cover For Bostrom T-Series High Back Seats With Armrest Covers W/ Color Options

    FIA

    $210.99
    Give your interior a refreshing upgrade with the OE tweed style seat cover designed for Bostrom T-Series high back seats with armrest covers, available in multiple color options. Built as a...
    PPR_203571
    SKU:
    PPR_203571
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Product Type:
    Seats
    $210.99
    Qty in Cart: 0
    Price:
    $210.99
    Subtotal:
  • OE Tweed Style Seat Cover For High Back Seats W/ Color Options

    OE Tweed Style Seat Cover For High Back Seats W/ Color Options

    FIA

    $149.99
    This OE tweed style seat cover for high back seats with color options is a universal-fit interior upgrade, offering a practical way to refresh worn seating without full reupholstery. Built from a...
    PPR_203570
    SKU:
    PPR_203570
    Truck Class:
    Heavy Duty
    Material Options:
    Cloth
    Style Options:
    High Back
    Make:
    Universal Items
    Product Type:
    Seats
    $149.99
    Qty in Cart: 0
    Price:
    $149.99
    Subtotal:
  • 14 Inch Billet Alum. Seat Base Adapter For National Lo Profile Seats For Kenworth W/ Metric & Standard Mounting Holes

    14 Inch Billet Alum. Seat Base Adapter For National Lo Profile Seats For Kenworth W/ Metric & Standard Mounting Holes

    IOWA CUSTOMS

    $363.99
    If you want to adapt an aftermarket seat in your Kenworth without drilling new holes in the floor, the 14-inch Billet Aluminum Seat Base Adapter for National Lo Profile Seats is a top solution. Made...
    PPR_202108
    SKU:
    PPR_202108
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Kenworth
    Product Type:
    Seats
    $363.99
    Qty in Cart: 0
    Price:
    $363.99
    Subtotal:
  • FREE SHIPPING OVER $249
    15 Inch Armrest For Bostrom T Series 910/915

    15 Inch Armrest For Bostrom T Series 910/915

    BOSTROM TRUCK SEATS

    $82.99 - $138.99
    This armrest is built to fit these specific seat models and provides a padded resting surface for the driver's elbow, helping reduce fatigue on extended drives. Sold individually, the armrest...
    PPR_201843
    SKU:
    PPR_201843
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Cloth
    Make:
    Universal Items
    Product Type:
    Seats
    $82.99 - $138.99
    Qty in Cart: 0
    Price:
    $82.99 - $138.99
    Subtotal:
  • National Ensign Standard Base High Back Air Seat With Armrests

    National Ensign Standard Base High Back Air Seat With Armrests

    NATIONAL SEATING

    $665.99 - $792.99
    Look no further for your next seat, the National Ensign Standard Base High Back Air Seat with Armrests is a top-tier seat designed to smooth out your ride with its air?suspended cushioning and...
    PPR_201605
    SKU:
    PPR_201605
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $665.99 - $792.99
    Qty in Cart: 0
    Price:
    $665.99 - $792.99
    Subtotal:
  • National Captain Standard Base Mid-Back Air Seat With Armrests

    National Captain Standard Base Mid-Back Air Seat With Armrests

    NATIONAL SEATING

    $679.99 - $908.99
    When you want reliable comfort without extra complexity, the National Captain Standard Base Mid Back Air Seat with Armrests is an air?suspended replacement seat designed to support long hours on the...
    PPR_201602
    SKU:
    PPR_201602
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Make:
    Universal Items
    Material Options:
    Cloth
    Type Options:
    Standard Base
    Product Type:
    Seats
    $679.99 - $908.99
    Qty in Cart: 0
    Price:
    $679.99 - $908.99
    Subtotal:
  • 12 Inch Billet Aluminum Seat Base Adapter For Seats Inc Legacy LO Seats For Peterbilt 579 Pre July 1 2018

    12 Inch Billet Aluminum Seat Base Adapter For Seats Inc Legacy LO Seats For Peterbilt 579 Pre July 1 2018

    IOWA CUSTOMS

    $399.99 - $795.99
    When adapting a Seats Inc. Legacy Lo seat in trucks where extra legroom or a different mounting position is needed, look no further thanthe...
    PPR_201588
    SKU:
    PPR_201588
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Peterbilt
    Product Type:
    Seats
    $399.99 - $795.99
    Qty in Cart: 0
    Price:
    $399.99 - $795.99
    Subtotal:
  • 12 Inch Billet Alum. Seat Base Adapter For Seats Inc Legacy LO Series For Peterbilt 579

    12 Inch Billet Alum. Seat Base Adapter For Seats Inc Legacy LO Series For Peterbilt 579

    IOWA CUSTOMS

    $383.99 - $795.99
    If you need to adapt a Seats Inc. Legacy LO Series seat in your truck without custom fab work, the 12?inch billet aluminum seat base adapter provides a premium solution. This adapter plate is made...
    PPR_201587
    SKU:
    PPR_201587
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Peterbilt
    Product Type:
    Seats
    $383.99 - $795.99
    Qty in Cart: 0
    Price:
    $383.99 - $795.99
    Subtotal:
  • 12 Inch Billet Aluminum Seat Base Adapter For Seats Inc Legacy LO Seats For Peterbilt 579 Post July 1 2018

    12 Inch Billet Aluminum Seat Base Adapter For Seats Inc Legacy LO Seats For Peterbilt 579 Post July 1 2018

    IOWA CUSTOMS

    $383.99 - $779.99
    Designed specifically for modern Peterbilt interiors, this 12-inch billet aluminum seat base adapter makes it easier to install Seats Inc. Legacy LO seats built after July 1, 2018. The adapter...
    PPR_201586
    SKU:
    PPR_201586
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Peterbilt
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $383.99 - $779.99
    Qty in Cart: 0
    Price:
    $383.99 - $779.99
    Subtotal:
  • 12 Inch Billet Alum. Seat Base Adapter For Seats Inc Legacy Gold & Silver Seats For Peterbilt 579

    12 Inch Billet Alum. Seat Base Adapter For Seats Inc Legacy Gold & Silver Seats For Peterbilt 579

    IOWA CUSTOMS

    $383.99 - $795.99
    For drivers upgrading the interior of a Peterbilt 579, this 12-inch billet aluminum seat base adapter offers a straightforward way to install Seats Inc. Legacy Gold or Silver series seats without...
    PPR_201585
    SKU:
    PPR_201585
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Peterbilt
    Product Type:
    Seats
    $383.99 - $795.99
    Qty in Cart: 0
    Price:
    $383.99 - $795.99
    Subtotal:
  • FREE SHIPPING
    10 Inch Billet Alum. Seat Base Adapter For National 2000 Ultra Ride Seats For Kenworth

    10 Inch Billet Alum. Seat Base Adapter For National 2000 Ultra Ride Seats For Kenworth

    IOWA CUSTOMS

    $305.99 - $584.99
    Helping adapt an aftermarket seat without reworking the cab floor, this 10-inch billet aluminum seat base adapter is built for National Seating Series 2000 Ultra Ride seats in many Kenworth trucks...
    PPR_201583
    SKU:
    PPR_201583
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Kenworth
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $305.99 - $584.99
    Qty in Cart: 0
    Price:
    $305.99 - $584.99
    Subtotal:
  • FREE SHIPPING
    8 Inch Billet Aluminum Seat Base Adapter For National & Knoedler Seats For Kenworth

    8 Inch Billet Aluminum Seat Base Adapter For National & Knoedler Seats For Kenworth

    IOWA CUSTOMS

    $293.99 - $513.99
    Refresh your cab with the 8-Inch Billet Aluminum Seat Base Adapter for National Knoedler seats, a reliable solution for upgrading your Kenworth seating. This adapter is engineered specifically to...
    PPR_201577
    SKU:
    PPR_201577
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Kenworth
    Product Type:
    Seats
    $293.99 - $513.99
    Qty in Cart: 0
    Price:
    $293.99 - $513.99
    Subtotal:
  • FREE SHIPPING
    10 Inch Billet Alum. Seat Base Adapter For National Ultra Ride 2000 Seats

    10 Inch Billet Alum. Seat Base Adapter For National Ultra Ride 2000 Seats

    IOWA CUSTOMS

    $299.99 - $583.99
    Upgrade your rig with the 10-Inch Billet Aluminum Seat Base Adapter designed for National Ultra Ride 2000 seats, an essential upgrade for Kenworth trucks, allowing for a significant enhancement in...
    PPR_201576
    SKU:
    PPR_201576
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Product Type:
    Seats
    Color:
    Red
    Length Options:
    7 1/2 Inch
    Color:
    Black
    Finish Options:
    Chrome-Plated
    Color:
    Yellow
    Width Options:
    10 Inch
    Color:
    Blue
    Height Options:
    2 3/4 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $299.99 - $583.99
    Qty in Cart: 0
    Price:
    $299.99 - $583.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Vinyl Leather Seat Belt Comfort Pad Covers

    Vinyl Leather Seat Belt Comfort Pad Covers

    GRAND GENERAL

    $24.79 - $25.31
    Enhance your driving comfort with the 3 x 10.375 Inch Vinyl Leather Seat Belt Comfort Pads. These stylish cushions are designed to prevent discomfort caused by seat belts rubbing against your...
    PPR_201570
    SKU:
    PPR_201570
    Truck Class:
    Heavy Duty
    Material Options:
    Vinyl
    Make:
    Universal Items
    Product Type:
    Seats
    $24.79 - $25.31
    Qty in Cart: 0
    Price:
    $24.79 - $25.31
    Subtotal:
  • National Corsair & 2000 Series Replacement Armrest - Black Ultra-Leather

    National Corsair & 2000 Series Replacement Armrest - Black Ultra-Leather

    NATIONAL SEATING

    $132.99 - $161.99
    Upgrade your seating with the National Seating Corsair & 2000 Series Replacement Armrest. This high-quality armrest is designed for National Corsair and 2000 Series seats and features a durable black...
    PPR_201313
    SKU:
    PPR_201313
    Truck Class:
    Heavy Duty
    Color:
    Black
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Product Type:
    Seats
    $132.99 - $161.99
    Qty in Cart: 0
    Price:
    $132.99 - $161.99
    Subtotal:
  • Knoedler Seat W/ Heat, Cooling, Massage Functions, Heavy Duty Suspension - Black/Gray UltraLeather

    Knoedler Seat W/ Heat, Cooling, Massage Functions, Heavy Duty Suspension - Black/Gray UltraLeather

    KNOEDLER

    $3,094.99
    Black/Gray UltraLeather Knoedler Seat W/ Heat, Cooling & Massage Functions And Heavy Duty Suspension* High Quality Seat* Ultraleather * Black/Gray* With Heat/Cooling/Massage * Sold Individually *...
    98LWL82MHOS15
    SKU:
    98LWL82MHOS15
    Truck Class:
    Heavy Duty
    Color:
    Black
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Product Type:
    Seats
    $3,094.99
    Qty in Cart: 0
    Price:
    $3,094.99
    Subtotal:
  • Knoedler Wide Low Rider Seat W/ FAS 2 Arms, Heat/Cool, Massage - Black Synthetic Leather

    Knoedler Wide Low Rider Seat W/ FAS 2 Arms, Heat/Cool, Massage - Black Synthetic Leather

    KNOEDLER

    $3,355.99
    Wide Low Base Low Rider Black Synthetic Leather Seat W/ Heat, Cool & Massage* High Quality Low Rider Seat* Made Of Synthetic Leather* Color: Black* With FAS 2 Arms * Headrest * Heat/Cool And Massage*...
    98LWL82MHOS01
    SKU:
    98LWL82MHOS01
    Truck Class:
    Heavy Duty
    Color:
    Black
    Material Options:
    Synthetic Leather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $3,355.99
    Qty in Cart: 0
    Price:
    $3,355.99
    Subtotal:
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Adding your products to cart

Here's the truth: investing those hard-earned dollars into aftermarket seating can fundamentally transform your driving experience. You can reduce your fatigue and get better lumbar support. That’s why we offer some of the best semi truck seats and accessories in the industry—built for comfort, durability, and long-haul performance. Whether you drive a Peterbilt, Kenworth, Freightliner, or another rig, you’ll find options that match your truck’s specs and your personal style.

Luxury Big Rig Seating Options

From air ride seats to universal semi truck seats and custom seat bases, we’ve got your backside covered. Choose your style and setup: - High-back, mid-back, and low-profile seats for every body type and cab layout. - Air ride seats for long-haul comfort, smoother suspension, and adjustable positioning. - Heated and cooled seat options to beat the heat or fight off the chill on extreme routes. - Ergonomic designs to ease back discomfort and promote better posture.

The Top Features

Material Matters Pick from cloth, faux leather, or genuine leather depending on your budget and the kind of road life you live. All built to handle real miles—not showroom fluff. Stylish & Functional Covers Dress up your seat with sleek two-tone seat covers, stitched accents, and built-in back pockets for on-the-go storage. Custom Base Adapters Mount your seat the right way with base adapters built for Seats Inc. Legacy, Sears Atlas, Bostrom, and more. Available in billet aluminum, gloss black, chrome, and custom powder-coat finishes.

Comfortable Accessories

Small upgrades with big difference: - Armrest covers for all-day elbow comfort - Lumbar support cushions to save your spine - Seat organizers to keep your essentials right where you need them

Get the Perfect Commercial Truck Seat

Check out our complete aftermarket semi truck seating guide to learn how to choose the right seat for your setup. Almost every new seat is going to need an adapter, unless it's a standard base unit. Let's say you have a mid-range truck, like a Freightliner M2 model; typically, those don't have a flat floor but a bit of a hump in the middle. That means you'll need a specific adapter and commercial truck seat that has a low-profile midback so you don't hit the roof. Lucky for you, our product selection is vast!

Why Shop Our Semi Truck Seating?

- Wide compatibility with Peterbilt, Freightliner, Kenworth, Volvo, and more. - Universal fitment options for hard-to-match setups. - Direct replacement or upgrade-ready seats and hardware. - Everyday low prices without sacrificing quality. - Real support from truck parts experts who understand your cab setup.

Start Driving in Comfort

A high-quality seat isn’t a luxury—it’s a necessity. Upgrade your semi truck seat, mount it with confidence, and finish it off with stylish covers and accessories that last. Shop the best semi truck seats and seating accessories today—and take the pressure off your back for the long haul.

Frequently Asked Questions About Semi-Truck Seats, Base Adapters & Covers

Will these seats fit my specific truck model and year?

Most aftermarket semi-truck seats are designed with universal mounting patterns that fit standard truck bases from manufacturers like Peterbilt, Kenworth, Freightliner, Volvo, and Mack. However, some trucks require specific base adapters. Check your current seat's bolt pattern (typically measured center-to-center) and compare it to the seat specifications. Common patterns include 8" x 8" and 11" x 11". If you're unsure, measure your existing seat base or contact us with your truck's year, make, and model for verification.

How difficult is it to install a new seat or base adapter?

Installation typically takes 30-60 minutes per seat with basic hand tools. You'll need a socket set, wrenches, and possibly a drill for certain adapters. The process involves unbolting the old seat, potentially installing a base adapter if needed, and bolting in the new seat. Most seats come with installation instructions. Common challenges include accessing tight bolts and ensuring proper electrical connections for air-ride seats. Professional installation is recommended if you're uncomfortable working with air lines or electrical connections.

What's the difference between vinyl, cloth, and leather seat materials?

Vinyl seats are the most durable and easiest to clean, making them ideal for drivers who eat in their trucks or haul dirty loads. They resist stains and spills but can get hot in summer and cold in winter. Cloth seats breathe better and provide more comfort in extreme temperatures but require more maintenance and are harder to clean. Leather offers premium comfort and appearance but needs regular conditioning and costs more. Consider your climate, maintenance preferences, and how many hours you spend in the seat daily when choosing.

Do I need a suspension base or air-ride system for my seat?

If you drive more than 6 hours daily or frequently travel rough roads, a suspension or air-ride seat significantly reduces fatigue and back pain. Air-ride seats offer the best vibration dampening and adjustability but require an air supply connection. Mechanical suspension seats provide good comfort without needing air hookups. Static (non-suspension) seats work for local drivers or backup seats but aren't recommended for long-haul use. Consider your driving conditions and health needs when deciding.

Will aftermarket seat covers fit my existing seats properly?

Universal seat covers work for most standard semi-truck seats but may require some adjustment for a snug fit. Look for covers with elastic bands, drawstrings, or hook-and-loop fasteners for better fitment. Measure your seat's backrest height, width, and cushion dimensions before ordering. Custom-fit covers are available for popular seat models like Bostrom, National, and Sears seating. Avoid covers that interfere with seat adjustment controls or armrest movement. For air-ride seats, ensure covers don't block ventilation ports.


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