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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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  • On Sale
    Sears Seating Atlas II DLX Standard Base High Back Seat With Dual Armrests

    Sears Seating Atlas II DLX Standard Base High Back Seat With Dual Armrests

    SEARS SEATING

    $1,246.59 - $1,399.99
    Enhance your driving comfort with the Sears Seating Atlas II DLX Standard Base High Back Seat with Dual Armrests. This premium seating option is crafted with care to ensure maximized comfort during...
    PPR_201620
    SKU:
    PPR_201620
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Type Options:
    Standard Base
    Make:
    Universal Items
    Product Type:
    Seats
    Color:
    Black
    Color:
    Tan
    Color:
    Gray
    Width Options:
    22 Inch
    Color:
    Blue
    Type Options:
    High Back
    Color:
    Red
    Ready To Ship:
    Yes
    $1,246.59 - $1,399.99
    Qty in Cart: 0
    Price:
    $1,246.59 - $1,399.99
    Subtotal:
  • Sears Seating Sentry High Back Truck Seat With Armrests

    Sears Seating Sentry High Back Truck Seat With Armrests

    SEARS SEATING

    $867.99
    Refresh your driving experience with the Sears Seating Sentry High Back Truck Seat with Armrests. This seat is designed to provide superior comfort and support for long-haul journeys, featuring a 20...
    PPR_201619
    SKU:
    PPR_201619
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Cloth
    Style Options:
    High Back
    Make:
    Universal Items
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $867.99
    Qty in Cart: 0
    Price:
    $867.99
    Subtotal:
  • Seats Inc Legacy LO Dura-Leather High Back Low Base Truck Seat With EZ Adjust Armrests

    Seats Inc Legacy LO Dura-Leather High Back Low Base Truck Seat With EZ Adjust Armrests

    SEATS INC

    $1,240.99 - $1,243.99
    Elevate your truck's seating with the Seats Inc. Legacy Lo High Back DuraLeather Seat with Armrests. This premium high-back seat is designed for durability and comfort, making it ideal for long-haul...
    PPR_201618
    SKU:
    PPR_201618
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    DuraLeather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    Ready To Ship:
    Yes
    Color:
    Black
    Color:
    Blue
    Color:
    Gray
    Width Options:
    22 Inch
    Location:
    Made In USA
    $1,240.99 - $1,243.99
    Qty in Cart: 0
    Price:
    $1,240.99 - $1,243.99
    Subtotal:
  • Seats Inc Legacy Pinnacle Standard Base High Back Seat With Armrests

    Seats Inc Legacy Pinnacle Standard Base High Back Seat With Armrests

    SEATS INC

    $1,668.99 - $1,854.99
    Ride in comfort mile after mile with the Legacy Pinnacle high back seat from Seats Inc. Built for hardworking drivers who spend long hours behind the wheel, this seat combines ergonomic support with...
    PPR_201616
    SKU:
    PPR_201616
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Make:
    Universal Items
    Type Options:
    Standard Base
    Material Options:
    DuraLeather
    Product Type:
    Seats
    Ready To Ship:
    Yes
    Location:
    Made In USA
    Color:
    Brown
    Color:
    Gray
    Color:
    Black
    Width Options:
    22 Inch
    $1,668.99 - $1,854.99
    Qty in Cart: 0
    Price:
    $1,668.99 - $1,854.99
    Subtotal:
  • National Captain Lo Low Base High Back Air Seat With Armrests - Mordura Cloth

    National Captain Lo Low Base High Back Air Seat With Armrests - Mordura Cloth

    NATIONAL SEATING

    $556.99 - $1,099.99
    If you spend long hours behind the wheel and want to improve comfort in your cab, the National Captain Lo Low Base High Back Air Seat With Armrests and its variations offer a solution upholstered in...
    PPR_201607
    SKU:
    PPR_201607
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    Ready To Ship:
    Yes
    Color:
    Gray
    Color:
    Black
    Color:
    Red
    Color:
    Blue
    Color:
    Brown
    Color:
    Tan
    Location:
    Made In USA
    $556.99 - $1,099.99
    Qty in Cart: 0
    Price:
    $556.99 - $1,099.99
    Subtotal:
  • National Ensign Standard Base Mid-Back Air Seat With Armrests

    National Ensign Standard Base Mid-Back Air Seat With Armrests

    NATIONAL SEATING

    $624.99 - $677.99
    When you want a balance of comfort and support for long drives, the National Ensign Standard Base Mid Back Air Seat with Armrests is a superior replacement option. This air?suspended seat features a...
    PPR_201606
    SKU:
    PPR_201606
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $624.99 - $677.99
    Qty in Cart: 0
    Price:
    $624.99 - $677.99
    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:
  • Corsair Air Standard Base High Back Seat With Armrest & Comfort Options

    Corsair Air Standard Base High Back Seat With Armrest & Comfort Options

    NATIONAL SEATING

    $862.99 - $1,405.99
    If you're looking to upgrade your seat without a complicated install, the National Corsair Standard Base High Back Air Seat with Armrests offers a practical blend of support and adjustability. This...
    PPR_201604
    SKU:
    PPR_201604
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Make:
    Universal Items
    Material Options:
    Ultra Leather
    Type Options:
    Standard Base
    Material Options:
    Cloth
    Color:
    Black
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $862.99 - $1,405.99
    Qty in Cart: 0
    Price:
    $862.99 - $1,405.99
    Subtotal:
  • National Captain Series High Back Plush Cloth Air Seat With Standard Base

    National Captain Series High Back Plush Cloth Air Seat With Standard Base

    NATIONAL SEATING

    $707.99 - $844.99
    Maximize your truck cab with the National Captain Series High Back Plush Cloth Air Seat with Standard Base, which delivers supportive air?suspension seating. This high?back truck seat uses National...
    PPR_201603
    SKU:
    PPR_201603
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $707.99 - $844.99
    Qty in Cart: 0
    Price:
    $707.99 - $844.99
    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:
  • Limited Quantity Available
    National Captain Series High Back Mordura Cloth Air Seat With Standard Base

    National Captain Series High Back Mordura Cloth Air Seat With Standard Base

    NATIONAL SEATING

    $665.99 - $829.99
    For drivers seeking a premium seating upgrade, the National Captain Series High Back Mordura Cloth Air Seat with Standard Base offers supportive air?suspension comfort. This high?back seat features...
    PPR_201601
    SKU:
    PPR_201601
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $665.99 - $829.99
    Qty in Cart: 0
    Price:
    $665.99 - $829.99
    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
    12 Inch Billet Alum. Seat Base Adapter For Seats Inc Legacy LO Seats For Kenworth W900A, W900B, W900L

    12 Inch Billet Alum. Seat Base Adapter For Seats Inc Legacy LO Seats For Kenworth W900A, W900B, W900L

    IOWA CUSTOMS

    $287.99 - $596.99
    Installation can be simplified with the right adapter, this 12-inch billet aluminum seat base adapter is designed to mount Seats Inc. Legacy LO seats in compatible Kenworth W900-series trucks. This...
    PPR_201584
    SKU:
    PPR_201584
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Kenworth
    Product Type:
    Seats
    $287.99 - $596.99
    Qty in Cart: 0
    Price:
    $287.99 - $596.99
    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:
  • 14 Inch Billet Alum. Seat Base Adapter For National Lo Profile Seats For Kenworth Airline Fitting In Floor

    14 Inch Billet Alum. Seat Base Adapter For National Lo Profile Seats For Kenworth Airline Fitting In Floor

    IOWA CUSTOMS

    $304.99 - $651.99
    Built to help position an aftermarket seat more comfortably, this 14-inch billet aluminum seat base adapter is designed for National low-profile seats in a wide range of Kenworth trucks. This adapter...
    PPR_201582
    SKU:
    PPR_201582
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Kenworth
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $304.99 - $651.99
    Qty in Cart: 0
    Price:
    $304.99 - $651.99
    Subtotal:
  • 12 Inch Billet Alum. Seat Base Adapter For Sears Atlas Seats For Kenworth W900A, W900B, W900L

    12 Inch Billet Alum. Seat Base Adapter For Sears Atlas Seats For Kenworth W900A, W900B, W900L

    IOWA CUSTOMS

    $327.99 - $596.99
    Designed to simplify seat installs, this 12-inch billet aluminum seat base adapter helps mount Sears Atlas seats in compatible Kenworth W900-series trucks. This adapter converts the factory floor...
    PPR_201581
    SKU:
    PPR_201581
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Kenworth
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $327.99 - $596.99
    Qty in Cart: 0
    Price:
    $327.99 - $596.99
    Subtotal:
  • 10 Inch Billet Alum. Seat Base Adapter For Seats Inc Legacy Gold & Silver Seats For Kenworth T600, T600B, T900A, W900B, W900L

    10 Inch Billet Alum. Seat Base Adapter For Seats Inc Legacy Gold & Silver Seats For Kenworth T600, T600B, T900A, W900B, W900L

    IOWA CUSTOMS

    $289.99 - $584.99
    A practical way to upgrade your seating without modifying the cab floor is this 10-inch billet aluminum seat base adapter designed to fit Seats Inc. Legacy Gold and Silver seats in a range of...
    PPR_201580
    SKU:
    PPR_201580
    Truck Class:
    Heavy Duty
    Material Options:
    Billet Aluminum
    Make:
    Kenworth
    Product Type:
    Seats
    $289.99 - $584.99
    Qty in Cart: 0
    Price:
    $289.99 - $584.99
    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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