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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 Ensign High Back Air Seat - Gray Cloth

    National Ensign High Back Air Seat - Gray Cloth

    NATIONAL SEATING

    $583.99
    Ensign Air Standard Seat Gray Forever Cloth* High Quality Seat* Ensign* Gray* Forever Cloth* High Back* Standard Base* Without Arm Rests* Without Suspension Cover- Bellows* Without Back Cycler*...
    51110031
    SKU:
    51110031
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $583.99
    Qty in Cart: 0
    Price:
    $583.99
    Subtotal:
  • National Ensign Air High Back Seat Standard Base - Rascal Black Vinyl

    National Ensign Air High Back Seat Standard Base - Rascal Black Vinyl

    NATIONAL SEATING

    $608.99
    Ensign Air Standard Seat Rascal Black Vinyl* High Quality Seat* Ensign* Rascal Black* Made Of Vinyl* High Back* Standard Base* Without Arm Rests* Without Suspension Cover- Bellows* Without Back...
    51110005
    SKU:
    51110005
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Vinyl
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $608.99
    Qty in Cart: 0
    Price:
    $608.99
    Subtotal:
  • National Ensign Air High Back Seat Standard Base - Opal Gray Vinyl

    National Ensign Air High Back Seat Standard Base - Opal Gray Vinyl

    NATIONAL SEATING

    $600.99
    Ensign Air Standard Seat Opal Gray Vinyl* High Quality Seat* Ensign* Opal Gray* Made Of Vinyl* High Back* Standard Base* Without Arm Rests* Without Suspension Cover- Bellows* Without Back Cycler*...
    51110001
    SKU:
    51110001
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Vinyl
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $600.99
    Qty in Cart: 0
    Price:
    $600.99
    Subtotal:
  • Black Mordura Cloth Corsair Air High Back Seat Standard Base W/ Arm Rest, W/O Back Cycler, Back Cycler, Heat, Air Lumbar Support, & Bellows

    Black Mordura Cloth Corsair Air High Back Seat Standard Base W/ Arm Rest, W/O Back Cycler, Back Cycler, Heat, Air Lumbar Support, & Bellows

    NATIONAL SEATING

    $1,191.99
    Corsair Air Standard Seat Black Mordura Cloth* High Quality Seat* Black * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15 Inch Arm Rest - Wide Mount* With Suspension...
    51100666CH
    SKU:
    51100666CH
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,191.99
    Qty in Cart: 0
    Price:
    $1,191.99
    Subtotal:
  • Black Mordura Cloth Corsair Air High Back Seat Standard Base W/ Arm Rest, W/O Back Cycler, Back Cycler, Heat, Air Lumbar Support

    Black Mordura Cloth Corsair Air High Back Seat Standard Base W/ Arm Rest, W/O Back Cycler, Back Cycler, Heat, Air Lumbar Support

    NATIONAL SEATING

    $1,112.99
    Corsair Air Standard Seat Black Mordura Cloth* High Quality Seat* Black* Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15 Inch Arm Rest - Wide Mount* Without Suspension...
    51100666AH
    SKU:
    51100666AH
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,112.99
    Qty in Cart: 0
    Price:
    $1,112.99
    Subtotal:
  • National Corsair Standard Base High Back Seat W/ Back Cycler, Heat - Black Cloth

    National Corsair Standard Base High Back Seat W/ Back Cycler, Heat - Black Cloth

    NATIONAL SEATING

    $928.99
    National Corsair Standard Base High Back Heated Seat W/ Back Cycler - Black Cloth* High Quality Seat* Corsair Series Isolating Air Suspension* Black Cloth* Hi-Pro 95 Air Suspension* 6 Inch Ride Zone*...
    51100666ABH
    SKU:
    51100666ABH
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $928.99
    Qty in Cart: 0
    Price:
    $928.99
    Subtotal:
  • Black Mordura Cloth Corsair Air High Back Seat Standard Base W/ Arm Rest, Air Lumbar Support, Back Cycler, & Bellows

    Black Mordura Cloth Corsair Air High Back Seat Standard Base W/ Arm Rest, Air Lumbar Support, Back Cycler, & Bellows

    NATIONAL SEATING

    $1,083.99
    Corsair Air Standard Seat Black Mordura Cloth* High Quality Seat* Black * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15 Inch Arm Rest - Wide Mount* Without Suspension...
    51100666AB
    SKU:
    51100666AB
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,083.99
    Qty in Cart: 0
    Price:
    $1,083.99
    Subtotal:
  • Black Mordura Cloth Corsair Air High Back Seat Standard Base W/ Arm Rest, W/O Back Cycler, Back Cycler, Air Lumbar Support, & Bellows

    Black Mordura Cloth Corsair Air High Back Seat Standard Base W/ Arm Rest, W/O Back Cycler, Back Cycler, Air Lumbar Support, & Bellows

    NATIONAL SEATING

    $704.99
    Corsair Air Standard Seat Black Mordura Cloth* High Quality Seat* Black * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15 Inch Arm Rest - Wide Mount* Without Suspension...
    51100666A
    SKU:
    51100666A
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $704.99
    Qty in Cart: 0
    Price:
    $704.99
    Subtotal:
  • Black & Charcoal Gray 2 Tone Cloth Corsair Air High Back Seat - Standard Base, Air Lumbar Support, Arm Rests, Heat, Bellows

    Black & Charcoal Gray 2 Tone Cloth Corsair Air High Back Seat - Standard Base, Air Lumbar Support, Arm Rests, Heat, Bellows

    NATIONAL SEATING

    $1,089.99
    2 Tone Mordura Cloth Corsair Air Seat Black & Charcoal GrayThe Corsair seat line provides exceptional value at a mid-range price point, offering premium features such as lumbar support, contoured...
    51100665CH
    SKU:
    51100665CH
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,089.99
    Qty in Cart: 0
    Price:
    $1,089.99
    Subtotal:
  • Black & Charcoal Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Heat, & W/O Back Cycler

    Black & Charcoal Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Heat, & W/O Back Cycler

    NATIONAL SEATING

    $1,116.99
    2 Tone Mordura Cloth Corsair Air Seat Black & Charcoal Gray* High Quality Seat* Black-Charcoal Gray 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15 Inch Arm...
    51100665AH
    SKU:
    51100665AH
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,116.99
    Qty in Cart: 0
    Price:
    $1,116.99
    Subtotal:
  • Black & Charcoal Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Backcycler, Arm Rests, Heat, Air Lumbar Support

    Black & Charcoal Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Backcycler, Arm Rests, Heat, Air Lumbar Support

    NATIONAL SEATING

    $1,062.99
    2 Tone Mordura Cloth Corsair Air Seat Black & Charcoal Gray* High Quality Seat* Black-Charcoal Gray 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15 Inch Arm...
    51100665ABH
    SKU:
    51100665ABH
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,062.99
    Qty in Cart: 0
    Price:
    $1,062.99
    Subtotal:
  • Black & Charcoal Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Backcycler, Arm Rests, Air Lumbar Support

    Black & Charcoal Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Backcycler, Arm Rests, Air Lumbar Support

    NATIONAL SEATING

    $987.99
    2 Tone Mordura Cloth Corsair Air Seat Black & Charcoal Gray* High Quality Seat* Black-Charcoal Gray 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15 Inch Arm...
    51100665AB
    SKU:
    51100665AB
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $987.99
    Qty in Cart: 0
    Price:
    $987.99
    Subtotal:
  • Corsair HiPro 95 Air Suspension, Plus Style - Black/Charcoal Gray Mordura Cloth W/ 15 Inch Ratcheting Armrest

    Corsair HiPro 95 Air Suspension, Plus Style - Black/Charcoal Gray Mordura Cloth W/ 15 Inch Ratcheting Armrest

    NATIONAL SEATING

    $980.99
    2 Tone Mordura Cloth Corsair Air Seat Black & Charcoal Gray* High Quality Seat* High Back* Black-Charcoal Gray 2 Tone * Mordura Cloth - Armrests* With High Back* With Standard Base* With 2 Ratcheting...
    51100665A
    SKU:
    51100665A
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $980.99
    Qty in Cart: 0
    Price:
    $980.99
    Subtotal:
  • Chocolate Brown & Light Tan 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Heat, Bellows, & W/O Back Cycler

    Chocolate Brown & Light Tan 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Heat, Bellows, & W/O Back Cycler

    NATIONAL SEATING

    $1,214.99
    2 Tone Mordura Cloth Corsair Air Seat Chocolate Brown & Light Tan* High Quality Seat* Chocolate Brown-Light Tan 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15...
    51100664CH
    SKU:
    51100664CH
    Color:
    Brown
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,214.99
    Qty in Cart: 0
    Price:
    $1,214.99
    Subtotal:
  • Chocolate Brown & Light Tan 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Heat & W/O Back Cycler

    Chocolate Brown & Light Tan 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Heat & W/O Back Cycler

    NATIONAL SEATING

    $840.99
    2 Tone Mordura Cloth Corsair Air Seat Chocolate Brown & Light Tan* High Quality Seat* Chocolate Brown-Light Tan 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15...
    51100664AH
    SKU:
    51100664AH
    Color:
    Brown
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $840.99
    Qty in Cart: 0
    Price:
    $840.99
    Subtotal:
  • Chocolate Brown & Light Tan 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Backcycler, Arm Rests, Air Lumbar Support

    Chocolate Brown & Light Tan 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Backcycler, Arm Rests, Air Lumbar Support

    NATIONAL SEATING

    $1,105.99
    2 Tone Mordura Cloth Corsair Air Seat Chocolate Brown & Light Tan* High Quality Seat* Chocolate Brown-Light Tan 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15...
    51100664AB
    SKU:
    51100664AB
    Color:
    Brown
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,105.99
    Qty in Cart: 0
    Price:
    $1,105.99
    Subtotal:
  • Chocolate Brown & Light Tan 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Bellows, & W/O Back Cycler

    Chocolate Brown & Light Tan 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Bellows, & W/O Back Cycler

    NATIONAL SEATING

    $704.99
    2 Tone Mordura Cloth Corsair Air Seat Chocolate Brown & Light Tan* High Quality Seat* Chocolate Brown-Light Tan 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style 15...
    51100664A
    SKU:
    51100664A
    Color:
    Brown
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $704.99
    Qty in Cart: 0
    Price:
    $704.99
    Subtotal:
  • Orient Blue & Waterfall Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Heat, Bellows, & W/O Back Cycler

    Orient Blue & Waterfall Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Heat, Bellows, & W/O Back Cycler

    NATIONAL SEATING

    $1,229.99
    2 Tone Mordura Cloth Corsair Air Seat Orient Blue & Waterfall Gray* High Quality Seat* Orient Blue-Waterfall Gray 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style...
    51100663CH
    SKU:
    51100663CH
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,229.99
    Qty in Cart: 0
    Price:
    $1,229.99
    Subtotal:
  • Orient Blue & Waterfall Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Backcycler, Arm Rests, Air Lumbar Support

    Orient Blue & Waterfall Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Backcycler, Arm Rests, Air Lumbar Support

    NATIONAL SEATING

    $825.99
    2 Tone Mordura Cloth Corsair Air Seat Orient Blue & Waterfall Gray* High Quality Seat* Orient Blue-Waterfall Gray 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style...
    51100663AB
    SKU:
    51100663AB
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $825.99
    Qty in Cart: 0
    Price:
    $825.99
    Subtotal:
  • Orient Blue & Waterfall Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Bellows, & W/O Back Cycler

    Orient Blue & Waterfall Gray 2 Tone Mordura Cloth Corsair Air High Back Seat Standard Base W/ Air Lumbar Support, Arm Rests, Bellows, & W/O Back Cycler

    NATIONAL SEATING

    $896.99
    2 Tone Mordura Cloth Corsair Air Seat Orient Blue & Waterfall Gray* High Quality Seat* Orient Blue-Waterfall Gray 2 Tone * Mordura Cloth* With High Back* With Standard Base* With 2 Ratcheting Style...
    51100663A
    SKU:
    51100663A
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $896.99
    Qty in Cart: 0
    Price:
    $896.99
    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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