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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
  • Bostrom Pro Ride Low Base Mid-Back Air Lumbar Seat W/ Dual Armrests - Black Endura Cloth

    Bostrom Pro Ride Low Base Mid-Back Air Lumbar Seat W/ Dual Armrests - Black Endura Cloth

    BOSTROM TRUCK SEATS

    $1,289.99
    Bostrom LoPro Black Endura Cloth Pro Ride Mid-Back Air Lumbar Seat W/ Dual Armrests* High Quality Seat * Pro Ride Series Isolating Air Suspension * Pro Ride Lopro With 4 Inch Ride Zone * Air Lumbar...
    9230011K85
    SKU:
    9230011K85
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,289.99
    Qty in Cart: 0
    Price:
    $1,289.99
    Subtotal:
  • Bostrom Endura Cloth ProRide LoPro Mid Back Seat W/ Dual Armrests - Brown

    Bostrom Endura Cloth ProRide LoPro Mid Back Seat W/ Dual Armrests - Brown

    BOSTROM TRUCK SEATS

    $1,304.99
    PRORIDE LOPRO MID BACK W/ DUAL ARMRESTS* High Quality Seat* Pro Ride Series Isolating Air Suspension* Pro Ride Lopro With 4 Inch Ride Zone* Air Lumbar Support* Standard Damper* Brown Endura Cloth*...
    9230011K66
    SKU:
    9230011K66
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,304.99
    Qty in Cart: 0
    Price:
    $1,304.99
    Subtotal:
  • Bostrom Ultra Leather Pro Ride Low Base High Back Seat W/ Dual Arm Rests - Black / Gray

    Bostrom Ultra Leather Pro Ride Low Base High Back Seat W/ Dual Arm Rests - Black / Gray

    BOSTROM TRUCK SEATS

    $1,195.99
    Black & Gray Ultra-Leather Bostrom ProRide Low Base High Back Seat W/ Drape Suspension Cover* High Quality Low Base-High Back Seat* Black/Gray* Ultra-Leather * With Drape Suspension Cover / Dual...
    9220011L77
    SKU:
    9220011L77
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Low Base
    Location:
    Made In USA
    Product Type:
    Seats
    $1,195.99
    Qty in Cart: 0
    Price:
    $1,195.99
    Subtotal:
  • Bostrom Pro Ride Standard Base Mid-Back Seat With Dual Armrests - Black/Tan UltraLeather

    Bostrom Pro Ride Standard Base Mid-Back Seat With Dual Armrests - Black/Tan UltraLeather

    BOSTROM TRUCK SEATS

    $1,357.99
    Black & Tan UltraLeather Standard Base Mid-Back Seat With Armrests* High Quality Seat* Black And Tan Ultraleather* Dual Armrest* Pro Ride Series Isolating Air Suspension* Pro Ride Hipro * 6 Inch Ride...
    8330001L82
    SKU:
    8330001L82
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,357.99
    Qty in Cart: 0
    Price:
    $1,357.99
    Subtotal:
  • Bostrom ProRide Brown Titan Cloth Standard Base Midback Seat With Dual Armrests And Dual Lumbar - No Suspension Cover

    Bostrom ProRide Brown Titan Cloth Standard Base Midback Seat With Dual Armrests And Dual Lumbar - No Suspension Cover

    BOSTROM TRUCK SEATS

    $1,451.99
    Bostrom ProRide Standard Base Midback Brown Titan Cloth With Dual Armrests And Dual Lumbar* High Quality Seat* Standard Base * Midback* Made Of Titan Cloth* Brown* With Dual Armrests And Dual Lumbar...
    8330001K66
    SKU:
    8330001K66
    Color:
    Brown
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Mid Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,451.99
    Qty in Cart: 0
    Price:
    $1,451.99
    Subtotal:
  • Bostrom Black Ultra-Leather Pro Ride Hipro Base High Back Seat

    Bostrom Black Ultra-Leather Pro Ride Hipro Base High Back Seat

    BOSTROM TRUCK SEATS

    $1,531.99
    Bostrom Pro Ride Base High Back Seat* High Quality Seat* Pro Ride * Hipro Base* High Back * Black * Ultra-Leather* No Arms* Without Suspension Cover* Pro Ride Series Isolating Air Suspension* 9.5...
    8320000900
    SKU:
    8320000900
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,531.99
    Qty in Cart: 0
    Price:
    $1,531.99
    Subtotal:
  • Knoedler Harrier Standard Base High Back Seat With Bellows - Black Cloth/Vinyl Combo

    Knoedler Harrier Standard Base High Back Seat With Bellows - Black Cloth/Vinyl Combo

    KNOEDLER

    $1,122.99
    Knoedler Harrier Black Cloth & Vinyl Standard Base High Back Seat* Quality Suspension Seat* Black* Upholstered With Durable Cloth And Vinyl* Standard Base* High Back With Bellows* Ergonomically...
    800173000
    SKU:
    800173000
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,122.99
    Qty in Cart: 0
    Price:
    $1,122.99
    Subtotal:
  • Knoedler Semi-Truck Seat - Low Rider Low Base Mid-Back w/ Air Suspension - Black Synthetic Leather

    Knoedler Semi-Truck Seat - Low Rider Low Base Mid-Back w/ Air Suspension - Black Synthetic Leather

    KNOEDLER

    $1,792.99
    Knoedler Black Synthetic Leather Low Rider Midback Suspension SeatThe Knoedler Low Rider Low Base Mid-Back Seat with Air Suspension is a top-notch ergonomic seat crafted with durable black synthetic...
    800166000
    SKU:
    800166000
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Synthetic Leather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,792.99
    Qty in Cart: 0
    Price:
    $1,792.99
    Subtotal:
  • Knoedler Chief Standard Base High Back Seat With Bellows - Black Cloth/Vinyl Combo

    Knoedler Chief Standard Base High Back Seat With Bellows - Black Cloth/Vinyl Combo

    KNOEDLER

    $1,448.99
    Knoedler Chief Black Cloth & Vinyl Standard Base High Back SeatThe Knoedler Seat-Chief Wide is a top-notch seat designed for ultimate comfort and support. With its ergonomic design and adjustable...
    800144001
    SKU:
    800144001
    Color:
    Black
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,448.99
    Qty in Cart: 0
    Price:
    $1,448.99
    Subtotal:
  • Allen Head / Stand Off Bolt 7/16-14X1-1/2 Inch For Armrest Bracket

    Allen Head / Stand Off Bolt 7/16-14X1-1/2 Inch For Armrest Bracket

    SEATS INC

    $3.05
    Replacement Allen Head Bolt Hardware For Seat Inc. Armrest* High Quality Allen Head Bolt * 7/16-14X1-1/2* For Seats Inc Armrests For Seats* Sold Individually* Warranty On Allen Head Bolts Against...
    781375PS
    SKU:
    781375PS
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Seats
    $3.05
    Qty in Cart: 0
    Price:
    $3.05
    Subtotal:
  • Seats Inc. Legacy Gold Air Seat Air Control Panel For Air Valve, Height, Lumbar

    Seats Inc. Legacy Gold Air Seat Air Control Panel For Air Valve, Height, Lumbar

    SEATS INC

    $107.99
    Legacy Gold Air Seat Air Control Panel* High Quality Air Control Panel* Air Valve* Height And Lumbar* Air Control Panel* Sold Individually* Warranty On Air Control Panel Against Defects In...
    781322PS
    SKU:
    781322PS
    Color:
    Black
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Seats
    $107.99
    Qty in Cart: 0
    Price:
    $107.99
    Subtotal:
  • Legacy Silver Air Valve & Lumbar Switch For Suspension Control

    Legacy Silver Air Valve & Lumbar Switch For Suspension Control

    SEATS INC

    $85.99
    Legacy Silver Air Valve For Suspension Control By Seats IncorporatedThe Legacy Silver Air Valve and Lumbar Switch offer precise suspension control for your vehicle. Easily adjust the air valve and...
    781211PS
    SKU:
    781211PS
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Seats
    Ready To Ship:
    Yes
    $85.99
    Qty in Cart: 0
    Price:
    $85.99
    Subtotal:
  • National Captain Black & Charcoal Gray Mordura Cloth Lo Air High Back Seat Low Base W/ Air Lumbar Support

    National Captain Black & Charcoal Gray Mordura Cloth Lo Air High Back Seat Low Base W/ Air Lumbar Support

    NATIONAL SEATING

    $897.99
    2 Tone Mordura Cloth Captain Lo Air Seat Black & Charcoal Gray* High Quality Seat* Black-Charcoal Gray 2 Tone * Modura Cloth * With High Back* With Low Base* Without Armrests * Without Suspension...
    7113106G
    SKU:
    7113106G
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $897.99
    Qty in Cart: 0
    Price:
    $897.99
    Subtotal:
  • National Captain Orient Blue-Waterfall Gray Mordura Cloth High Back Seat Low Base W/ Air Lumbar Support

    National Captain Orient Blue-Waterfall Gray Mordura Cloth High Back Seat Low Base W/ Air Lumbar Support

    NATIONAL SEATING

    $897.99
    2 Tone Mordura Cloth Captain Lo Air Seat Orient Blue & Waterfall Gray* High Quality Seat* Orient Blue-Waterfall Gray 2 Tone * Modura Cloth * With High Back* With Low Base* Without Armrests * Without...
    7113106E
    SKU:
    7113106E
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $897.99
    Qty in Cart: 0
    Price:
    $897.99
    Subtotal:
  • National Captain Charcoal Gray-Slate Dust Gray Mordura Cloth High Back Seat Low Base W/ Air Lumbar Support

    National Captain Charcoal Gray-Slate Dust Gray Mordura Cloth High Back Seat Low Base W/ Air Lumbar Support

    NATIONAL SEATING

    $897.99
    2 Tone Mordura Cloth Captain Lo Air Seat Charcoal Gray & Slate Dust Gray* High Quality Seat* Charcoal Gray-Slate Dust Gray 2 Tone * Modura Cloth * With High Back* With Low Base* Without Armrests *...
    7113106C
    SKU:
    7113106C
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $897.99
    Qty in Cart: 0
    Price:
    $897.99
    Subtotal:
  • Black & Medium Gray 2 Tone Mordura Cloth Engsign Air High Back Seat Low Base W/ Arm Rests, Bellows, & W/O Back Cycler -

    Black & Medium Gray 2 Tone Mordura Cloth Engsign Air High Back Seat Low Base W/ Arm Rests, Bellows, & W/O Back Cycler -

    NATIONAL SEATING

    $974.99
    2 Tone Mordura Cloth Engsign Air Seat Black & Medium Gray* High Quality Seat* Ensign* Medium Gray* Made Of Vinyl* High Back* Low Base* With Arm Rests* Without Suspension Cover- Bellows* Without Back...
    71130396
    SKU:
    71130396
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $974.99
    Qty in Cart: 0
    Price:
    $974.99
    Subtotal:
  • Engsign Air High Back Driver Seat Low Base W/ Bellows, & W/O Arm Rests & Back Cycler - Black & Medium Gray 2 Tone Mordura Cloth

    Engsign Air High Back Driver Seat Low Base W/ Bellows, & W/O Arm Rests & Back Cycler - Black & Medium Gray 2 Tone Mordura Cloth

    NATIONAL SEATING

    $839.99
    2 Tone Mordura Cloth Engsign Air Seat Black & Medium Gray* High Quality Seat* Ensign* Medium Gray* Made Of Vinyl* High Back* Low Base* Without Arm Rests* Without Suspension Cover- Bellows* Without...
    71130096
    SKU:
    71130096
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $839.99
    Qty in Cart: 0
    Price:
    $839.99
    Subtotal:
  • Rascal Black Vinyl Captain Lo Air High Back Seat Low Base W/ Arm Rest, Air Lumbar Support, Back Cycler, W/O Back Cycler, & Bellows

    Rascal Black Vinyl Captain Lo Air High Back Seat Low Base W/ Arm Rest, Air Lumbar Support, Back Cycler, W/O Back Cycler, & Bellows

    NATIONAL SEATING

    $840.99
    Captain Lo Air Low Seat Rascal Black Vinyl* High Quality Seat* Captain* Rascal Black* Made Of Vinyl* High Back* Low Base* With 2 Ratcheting Style 15 Inch Arm Rest* Without Suspension Cover- Bellows*...
    71124305
    SKU:
    71124305
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Vinyl
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $840.99
    Qty in Cart: 0
    Price:
    $840.99
    Subtotal:
  • National Seating Captain Lo Base High Back Seat W/ Dual Armrests - Gray Vinyl

    National Seating Captain Lo Base High Back Seat W/ Dual Armrests - Gray Vinyl

    NATIONAL SEATING

    $837.99
    Low Base High Back Gray Vinyl Seat W/ Dual Armrests* High Quality Seat* Captain* Lo Base * High Back * Gray Vinyl * With Dual Arms* Made In USA* Sold Individually ** Warranty On Seats Against Defects...
    71124301
    SKU:
    71124301
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Vinyl
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $837.99
    Qty in Cart: 0
    Price:
    $837.99
    Subtotal:
  • Cajun Red Mordura Cloth Captain Lo Air High Back Seat Low Base W/ Back Cycler, Air Lumbar Support, & W/O Arm Rests & Back Cycler

    Cajun Red Mordura Cloth Captain Lo Air High Back Seat Low Base W/ Back Cycler, Air Lumbar Support, & W/O Arm Rests & Back Cycler

    NATIONAL SEATING

    $851.99
    Captain Lo Air Low Seat Cajun Red Mordura Cloth* High Quality Seat* Captain* Cajun Red* Modura Cloth* High Back* Low Base* Without Arm Rests* Without Suspension Cover- Bellows* Without Back Cycler*...
    71124062
    SKU:
    71124062
    Truck Class:
    Heavy Duty
    Style Options:
    High Back
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $851.99
    Qty in Cart: 0
    Price:
    $851.99
    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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