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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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • National Admiral High Back Passenger Air Seat Standard Base W/ Swivel, Back Cycler, Heat - Raven Wing Black Ultraleather

    National Admiral High Back Passenger Air Seat Standard Base W/ Swivel, Back Cycler, Heat - Raven Wing Black Ultraleather

    NATIONAL SEATING

    $1,121.99
    Admiral Air Standard Seat Raven Wing Black Ultraleather* High Quality Seat* Raven Wing Black* Ultraleather* Without Armrests* Passenger Side Swivel* Standard Features Included On This Seat* Extra...
    40079045
    SKU:
    40079045
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,121.99
    Qty in Cart: 0
    Price:
    $1,121.99
    Subtotal:
  • National Admiral High Back Passenger Air Seat Standard Base W/ Swivel, Back Cycler, Heat - Gray Ultraleather

    National Admiral High Back Passenger Air Seat Standard Base W/ Swivel, Back Cycler, Heat - Gray Ultraleather

    NATIONAL SEATING

    $1,121.99
    Admiral Air Standard Seat Gray Ultraleather* High Quality Seat* Gray* Ultraleather* Without Armrests* Passenger Side Swivel* Standard Features Included On This Seat* Extra Wide Back And Cushions*...
    40079041
    SKU:
    40079041
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,121.99
    Qty in Cart: 0
    Price:
    $1,121.99
    Subtotal:
  • Black & Slate Dust Gray 2 Tone Mordura Cloth Commodore Air High Back Seat Standard Base W/ Armrests, Wide Back, & Bellows

    Black & Slate Dust Gray 2 Tone Mordura Cloth Commodore Air High Back Seat Standard Base W/ Armrests, Wide Back, & Bellows

    NATIONAL SEATING

    $1,178.99
    2 Tone Mordura Cloth Commodore Air Seat Black & Slate Dust Gray* High Quality Seat* Black And Slate Dust Gray 2 Tone* Mordura* With Dual 17 Inch Armrests* Standard Features Included On This Seat*...
    40050366
    SKU:
    40050366
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,178.99
    Qty in Cart: 0
    Price:
    $1,178.99
    Subtotal:
  • Black Mordura Cloth Commodore Air High Back Seat Standard Base W/ Dual 17 Inch Armrests, Back Cycler & Bellows

    Black Mordura Cloth Commodore Air High Back Seat Standard Base W/ Dual 17 Inch Armrests, Back Cycler & Bellows

    NATIONAL SEATING

    $1,283.99
    Commodore Air Standard Seat Black Mordura Cloth* High Quality Seat* Black* Mordura* With Dual 17 Inch Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions* Ergonomic Large...
    40050365
    SKU:
    40050365
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,283.99
    Qty in Cart: 0
    Price:
    $1,283.99
    Subtotal:
  • Commodore Air High Back Seat W/ Standard Base, Dual 17 Inch Armrests, Back Cycler & Bellows - Orient Blue Mordura Cloth

    Commodore Air High Back Seat W/ Standard Base, Dual 17 Inch Armrests, Back Cycler & Bellows - Orient Blue Mordura Cloth

    NATIONAL SEATING

    $1,450.99
    Commodore Air Standard Seat With Orient Blue Mordura Cloth* High Quality Seat* Orient Blue* Mordura* With Dual 17 Inch Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions*...
    40050363
    SKU:
    40050363
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,450.99
    Qty in Cart: 0
    Price:
    $1,450.99
    Subtotal:
  • Commodore Air High Back Seat W/ Standard Base, Dual 17 Inch Armrests, Back Cycler & Bellows - Cajun Red Mordura Cloth

    Commodore Air High Back Seat W/ Standard Base, Dual 17 Inch Armrests, Back Cycler & Bellows - Cajun Red Mordura Cloth

    NATIONAL SEATING

    $1,195.99
    Commodore Air Standard Seat With Cajun Red Mordura Cloth* High Quality Seat* Cajun Red* Mordura* With Dual 17 Inch Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions*...
    40050362
    SKU:
    40050362
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Product Type:
    Seats
    $1,195.99
    Qty in Cart: 0
    Price:
    $1,195.99
    Subtotal:
  • Medium Gray Mordura Cloth Commodore Air High Back Seat Standard Base W/ Dual 17 Inch Armrests, Back Cycler & Bellows

    Medium Gray Mordura Cloth Commodore Air High Back Seat Standard Base W/ Dual 17 Inch Armrests, Back Cycler & Bellows

    NATIONAL SEATING

    $1,193.99
    Commodore Air Standard Seat Medium Gray Mordura Cloth* High Quality Seat* Medium Gray* Mordura* With Dual 17 Inch Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions*...
    40050361
    SKU:
    40050361
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,193.99
    Qty in Cart: 0
    Price:
    $1,193.99
    Subtotal:
  • Raven Wing Black & Tan 2 Tone Ultraleather Commodore Air High Back Seat Standard Base W/ Armrests, Wide Back, & Bellows

    Raven Wing Black & Tan 2 Tone Ultraleather Commodore Air High Back Seat Standard Base W/ Armrests, Wide Back, & Bellows

    NATIONAL SEATING

    $1,298.99
    2 Tone Ultraleather Commodore Air Seat Raven Wing Black & Tan* High Quality Seat* Raven Wing Black And Tan 2 Tone* Ultraleather* With Dual 17 Inch Armrests* Standard Features Included On This Seat*...
    40050347
    SKU:
    40050347
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,298.99
    Qty in Cart: 0
    Price:
    $1,298.99
    Subtotal:
  • Raven Wing Black & Gray 2 Tone Ultraleather Commodore Air High Back Seat Standard Base W/ Armrests, Wide Back, & Bellows

    Raven Wing Black & Gray 2 Tone Ultraleather Commodore Air High Back Seat Standard Base W/ Armrests, Wide Back, & Bellows

    NATIONAL SEATING

    $1,299.99
    2 Tone Ultraleather Commodore Air Seat Raven Wing Black & Gray* High Quality Seat* Raven Wing Black And Gray 2 Tone* Ultraleather* With Dual 17 Inch Armrests* Standard Features Included On This Seat*...
    40050346
    SKU:
    40050346
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,299.99
    Qty in Cart: 0
    Price:
    $1,299.99
    Subtotal:
  • Raven Wing Black Ultraleather Commodore Air High Back Seat Standard Base W/ Dual 17 Inch Armrests, Back Cycler & Bellows

    Raven Wing Black Ultraleather Commodore Air High Back Seat Standard Base W/ Dual 17 Inch Armrests, Back Cycler & Bellows

    NATIONAL SEATING

    $1,293.99
    Commodore Air Standard Seat Raven Wing Black Ultraleather* High Quality Seat* Raven Wing Black* Ultraleather* With Dual 17 Inch Armrests* Standard Features Included On This Seat* Extra Wide Back And...
    40050345
    SKU:
    40050345
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,293.99
    Qty in Cart: 0
    Price:
    $1,293.99
    Subtotal:
  • Gray Ultraleather Commodore Air High Back Seat Standard Base W/ Dual 17 Inch Armrests, Back Cycler & Bellows

    Gray Ultraleather Commodore Air High Back Seat Standard Base W/ Dual 17 Inch Armrests, Back Cycler & Bellows

    NATIONAL SEATING

    $1,336.99
    Commodore Air Standard Seat Gray Ultraleather* High Quality Seat* Gray* Ultraleather* With Dual 17 Inch Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions* Ergonomic...
    40050341
    SKU:
    40050341
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,336.99
    Qty in Cart: 0
    Price:
    $1,336.99
    Subtotal:
  • Black & Slate Dust Gray 2 Tone Mordura Cloth Commodore Air High Back Seat Standard Base W/ Bellows, Wide Back, & W/O Armrests

    Black & Slate Dust Gray 2 Tone Mordura Cloth Commodore Air High Back Seat Standard Base W/ Bellows, Wide Back, & W/O Armrests

    NATIONAL SEATING

    $944.99
    2 Tone Mordura Cloth Commodore Air Seat Black & Slate Dust Gray* High Quality Seat* Black And Slate Dust Gray 2 Tone* Mordura* Without Armrests* Standard Features Included On This Seat* Extra Wide...
    40050066
    SKU:
    40050066
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $944.99
    Qty in Cart: 0
    Price:
    $944.99
    Subtotal:
  • Black Mordura Cloth Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    Black Mordura Cloth Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    NATIONAL SEATING

    $1,016.99
    Commodore Air Standard Seat Black Mordura ClothHigh Quality Seat* Black* Mordura* Without Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions* Ergonomic Large Hi-Back...
    40050065
    SKU:
    40050065
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,016.99
    Qty in Cart: 0
    Price:
    $1,016.99
    Subtotal:
  • Commodore Air High Back Seat W/ Standard Base, Back Cycler & W/O Armrests - Cajun Red Mordura Cloth

    Commodore Air High Back Seat W/ Standard Base, Back Cycler & W/O Armrests - Cajun Red Mordura Cloth

    NATIONAL SEATING

    $1,292.99
    Commodore Air Standard Seat Cajun Red Mordura Cloth* High Quality Seat* Cajun Red* Mordura* Without Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions* Ergonomic Large...
    40050062
    SKU:
    40050062
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Product Type:
    Seats
    $1,292.99
    Qty in Cart: 0
    Price:
    $1,292.99
    Subtotal:
  • Medium Gray Mordura Cloth Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    Medium Gray Mordura Cloth Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    NATIONAL SEATING

    $1,086.99
    Commodore Air Standard Seat Medium Gray Mordura Cloth* High Quality Seat* Medium Gray* Mordura* Without Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions* Ergonomic...
    40050061
    SKU:
    40050061
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,086.99
    Qty in Cart: 0
    Price:
    $1,086.99
    Subtotal:
  • Raven Wing Black & Tan 2 Tone Ultraleather Commodore Air High Back Seat Standard Base W/ Bellows, Wide Back, & W/O Armrests

    Raven Wing Black & Tan 2 Tone Ultraleather Commodore Air High Back Seat Standard Base W/ Bellows, Wide Back, & W/O Armrests

    NATIONAL SEATING

    $1,402.99
    2 Tone Ultraleather Commodore Air Seat Raven Wing Black & Tan* High Quality Seat* Raven Wing Black And Tan 2 Tone* Ultraleather* Without Armrests* Standard Features Included On This Seat* Extra Wide...
    40050047
    SKU:
    40050047
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,402.99
    Qty in Cart: 0
    Price:
    $1,402.99
    Subtotal:
  • Raven Wing Black & Gray 2 Tone Ultraleather Commodore Air High Back Seat Standard Base W/ Bellows, Wide Back, & W/O Armrests

    Raven Wing Black & Gray 2 Tone Ultraleather Commodore Air High Back Seat Standard Base W/ Bellows, Wide Back, & W/O Armrests

    NATIONAL SEATING

    $1,090.99
    2 Tone Ultraleather Commodore Air Seat Raven Wing Black & Gray* High Quality Seat* Raven Wing Black And Gray 2 Tone* Ultraleather* Without Armrests* Standard Features Included On This Seat* Extra...
    40050046
    SKU:
    40050046
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,090.99
    Qty in Cart: 0
    Price:
    $1,090.99
    Subtotal:
  • Raven Wing Black Ultraleather Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    Raven Wing Black Ultraleather Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    NATIONAL SEATING

    $1,240.99
    Commodore Air Standard Seat Raven Wing Black Ultraleather* High Quality Seat* Raven Wing Black* Ultraleather* Without Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions*...
    40050045
    SKU:
    40050045
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,240.99
    Qty in Cart: 0
    Price:
    $1,240.99
    Subtotal:
  • Blue Ultraleather Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    Blue Ultraleather Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    NATIONAL SEATING

    $930.99
    Commodore Air Standard Seat Blue Ultraleather* High Quality Seat* Blue* Ultraleather* Without Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions* Ergonomic Large Hi-Back...
    40050043
    SKU:
    40050043
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $930.99
    Qty in Cart: 0
    Price:
    $930.99
    Subtotal:
  • Gray Ultraleather Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    Gray Ultraleather Commodore Air High Back Seat Standard Base W/ Back Cycler & W/O Armrests

    NATIONAL SEATING

    $886.99
    Commodore Air Standard Seat Gray Ultraleather* High Quality Seat* Gray* Ultraleather* Without Armrests* Standard Features Included On This Seat* Extra Wide Back And Cushions* Ergonomic Large Hi-Back...
    40050041
    SKU:
    40050041
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $886.99
    Qty in Cart: 0
    Price:
    $886.99
    Subtotal:
  • Total: items /

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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