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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
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  • Price
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  • 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:
  • Tan Leather Low Rider Mid Back Seat LoPro Base

    Tan Leather Low Rider Mid Back Seat LoPro Base

    KNOEDLER

    $1,853.99
    Low Rider LoPro Seat Tan Leather* High Quality Seat* Low Rider* Color: Tan * Ultra Leather * Midback With Headrest* Sold Individually* Warranty On Seat Against Defects In Workmanship & Material From...
    98LRL82MH0S03
    SKU:
    98LRL82MH0S03
    Truck Class:
    Heavy Duty
    Color:
    Brown
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,853.99
    Qty in Cart: 0
    Price:
    $1,853.99
    Subtotal:
  • Knoedler Air Chief Standard Base High Back Seat - Black Synthetic Leather

    Knoedler Air Chief Standard Base High Back Seat - Black Synthetic Leather

    KNOEDLER

    $1,561.99
    Knoedler Black Synthetic Leather Standard Base High Back SeatThe Knoedler Air Chief Seat sets the standard for comfort and functionality. With its ergonomic design and 23-inch wide soft seat cushion,...
    98CWS82MH0201
    SKU:
    98CWS82MH0201
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Synthetic Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,561.99
    Qty in Cart: 0
    Price:
    $1,561.99
    Subtotal:
  • Knoedler Chief Air Tall Back 2 Tone Brown/Tan Standard Base Seat W/ High/Low Cushion Heater

    Knoedler Chief Air Tall Back 2 Tone Brown/Tan Standard Base Seat W/ High/Low Cushion Heater

    KNOEDLER

    $2,413.99
    Chief Air Tall Back 2 Tone Brown/Tan Standard Base Seat W/ High/Low Cushion Heater By KnoedlerUpgrade driver comfort and luxury with the Knoedler Chief Air Tall Back Standard Base Seat, built for...
    98CWL9TBHL13
    SKU:
    98CWL9TBHL13
    Truck Class:
    Heavy Duty
    Color:
    Brown
    Style Options:
    High Back
    Material Options:
    Leather
    Make:
    Freightliner
    Type Options:
    Standard Base
    Product Type:
    Seats
    Width Options:
    20 Inch
    $2,413.99
    Qty in Cart: 0
    Price:
    $2,413.99
    Subtotal:
  • Knoedler Air Chief Standard Base Mid-Back Seat W/ Heat & Massage - Black Synthetic Leather

    Knoedler Air Chief Standard Base Mid-Back Seat W/ Heat & Massage - Black Synthetic Leather

    KNOEDLER

    $2,102.99
    Standard Base Mid-Back Black Synthetic Leather Seat W/ Heat & MassageThe Knoedler Air Chief Seat is designed to provide optimal comfort and posture. It features a wide seat cushion, adjustable...
    98CWL82MHHS0713
    SKU:
    98CWL82MHHS0713
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    Mid Back
    Material Options:
    Synthetic Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $2,102.99
    Qty in Cart: 0
    Price:
    $2,102.99
    Subtotal:
  • Knoedler Semi-Truck Seat - Air Chief Standard Base Mid-Back w/ Heat - Black Synthetic Leather

    Knoedler Semi-Truck Seat - Air Chief Standard Base Mid-Back w/ Heat - Black Synthetic Leather

    KNOEDLER

    $1,980.99
    Knoedler Black Synthetic Leather Standard Base Midback Seat With ArmrestsLooking for a comfortable seating solution? The black Air Suspension Chief Seat features a durable synthetic leather...
    98CWL82MHHS01
    SKU:
    98CWL82MHHS01
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    Mid Back
    Material Options:
    Synthetic Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,980.99
    Qty in Cart: 0
    Price:
    $1,980.99
    Subtotal:
  • Knoedler Air Chief Truck Seat W/ Heat/Cool, Massage, 2 Lumbar Supports, Dual Armrests, Swivel - Black Leather

    Knoedler Air Chief Truck Seat W/ Heat/Cool, Massage, 2 Lumbar Supports, Dual Armrests, Swivel - Black Leather

    KNOEDLER

    $4,487.99
    Black Genuine Leather Knoedler Air Chief W/ Heat, Cool, Massage, 2 Lumbar Supports, Dual Armrests & SwivelThe Knoedler Air Chief truck seat with a 20-inch Wide Soft Cushion has an adjustable headrest...
    98CHS92MH0L01
    SKU:
    98CHS92MH0L01
    Truck Class:
    Heavy Duty
    Color:
    Black
    Material Options:
    Leather
    Product Type:
    Seats
    $4,487.99
    Qty in Cart: 0
    Price:
    $4,487.99
    Subtotal:
  • Air Chief Seat W/ Standard Base, Heat & W/O Armrests - Brown & Dark Brown Thread Mordura Cloth

    Air Chief Seat W/ Standard Base, Heat & W/O Armrests - Brown & Dark Brown Thread Mordura Cloth

    KNOEDLER

    $1,754.99
    Air Chief Standard Seat Brown & Dark Brown Thread* High Quality Seat* With Standard Base* 2 Button Lumbar Adjust* Without Armrests* With Headrest* With Heat* Material-Mordura Cloth* Color-Brown With...
    98CHS72MHHD02
    SKU:
    98CHS72MHHD02
    Truck Class:
    Heavy Duty
    Color:
    Brown
    Material Options:
    Cloth
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,754.99
    Qty in Cart: 0
    Price:
    $1,754.99
    Subtotal:
  • Knoedler Air Chief Mid-Back Truck Seat With Head Rest & Bellow - Black Synthetic Leather With Gray Insert

    Knoedler Air Chief Mid-Back Truck Seat With Head Rest & Bellow - Black Synthetic Leather With Gray Insert

    KNOEDLER

    $1,631.99
    Black Synthetic Leather Mid-Back Seat With Head Rest & Bellow For Knoedler Air Chief SeatUpgrade your seating on your Rig with the Knoedler Air Chief Seat. Its sleek black synthetic leather, combined...
    98CHS72MH0S15
    SKU:
    98CHS72MH0S15
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    Mid Back
    Material Options:
    Synthetic Leather
    Make:
    Universal Items
    Product Type:
    Seats
    $1,631.99
    Qty in Cart: 0
    Price:
    $1,631.99
    Subtotal:
  • Knoedler Harrier Wide Ride Standard Base High Back Seat - Black Synthetic Leather

    Knoedler Harrier Wide Ride Standard Base High Back Seat - Black Synthetic Leather

    KNOEDLER

    $1,270.99
    Knoedler Harrier Black Synthetic Leather High Back Wide Ride Seat With Bellows* Quality Wide Ride Suspension Seat* Standard Base* High Back With Bellows* Ergonomically Contoured Back And Seat...
    941182HB0S01
    SKU:
    941182HB0S01
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    High Back
    Material Options:
    Synthetic Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,270.99
    Qty in Cart: 0
    Price:
    $1,270.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Knoedler Black/Gray Armrest For Chief Air Seat Left Side

    Knoedler Black/Gray Armrest For Chief Air Seat Left Side

    KNOEDLER

    $94.99
    Knoedler Armrest Fits Chief Air Seat* High Quality Armrest* Fits Left Side Of Seat * Sold Individually* Warranty On Arm Rest Against Defects In Workmanship And Material From Date Of Purchase***High...
    9401600LL04
    SKU:
    9401600LL04
    Color:
    Black
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Seats
    $94.99
    Qty in Cart: 0
    Price:
    $94.99
    Subtotal:
  • Lumbar Valve For Knoedler Air Chief Seat, Driver Side

    Lumbar Valve For Knoedler Air Chief Seat, Driver Side

    KNOEDLER

    $81.99
    Driver Side Lumbar Valve For Knoedler Air Chief SeatThis replacement valve allows for easy adjustment to maintain the appropriate pressure levels, ensuring optimal support and comfort even with...
    940004
    SKU:
    940004
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Seats
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
  • Bostrom Black & Gray Ultraleather HiPro 915 Mid Back Seat, Standard Base W/ Bellows

    Bostrom Black & Gray Ultraleather HiPro 915 Mid Back Seat, Standard Base W/ Bellows

    BOSTROM TRUCK SEATS

    $1,718.99
    Bostrom HiPro 915 Standard Seat Black & Gray* High Quality Seat* Pro Ride Series Isolating Air Suspension* Pro Ride Hipro With 6 Inch Ride Zone* Air Lumbar Support* Standard Damper* Black/Gray...
    9330011L77
    SKU:
    9330011L77
    Truck Class:
    Heavy Duty
    Color:
    Black
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,718.99
    Qty in Cart: 0
    Price:
    $1,718.99
    Subtotal:
  • Bostrom Blue Ultraleather HiPro 915 Mid Back Seat Standard Base W/ Bellows

    Bostrom Blue Ultraleather HiPro 915 Mid Back Seat Standard Base W/ Bellows

    BOSTROM TRUCK SEATS

    $1,254.99
    Bostrom HiPro 915 Standard Seat Blue Ultraleather* High Quality Seat* Pro Ride Series Isolating Air Suspension* Pro Ride Hipro With 6 Inch Ride Zone* Air Lumbar Support* Standard Damper* Blue...
    9330011904
    SKU:
    9330011904
    Truck Class:
    Heavy Duty
    Color:
    Blue
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,254.99
    Qty in Cart: 0
    Price:
    $1,254.99
    Subtotal:
  • Bostrom Mid Back Standard Base Red Ultra Leather Seat W/ Armrests

    Bostrom Mid Back Standard Base Red Ultra Leather Seat W/ Armrests

    BOSTROM TRUCK SEATS

    $1,767.99
    Pro Ride Series HiPro In Red Ultra Leather Mid Back With Dual Armrests* High Quality Seat* Pro Ride Series Isolating Air Suspension* Pro Ride Hipro With 6 Inch Ride Zone* Air Lumbar Support* Standard...
    9330011903
    SKU:
    9330011903
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,767.99
    Qty in Cart: 0
    Price:
    $1,767.99
    Subtotal:
  • Bostrom Gray Ultra-Leather Proride Standard Base Mid Back Seat W/ Dual Armrests

    Bostrom Gray Ultra-Leather Proride Standard Base Mid Back Seat W/ Dual Armrests

    BOSTROM TRUCK SEATS

    $1,219.99
    Bostrom Proride Standard Base Mid Back W/ Dual Armrests* High Quality Seat* ProRide* Gray* Ultraleather* Dual Arm Rest* Sold Individually* Warranty On Seat Against Defects In Workmanship & Material...
    9330011902
    SKU:
    9330011902
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,219.99
    Qty in Cart: 0
    Price:
    $1,219.99
    Subtotal:
  • Bostrom Black Ultra-Leather Proride Standard Base Mid Back Seat W/ Dual Armrests

    Bostrom Black Ultra-Leather Proride Standard Base Mid Back Seat W/ Dual Armrests

    BOSTROM TRUCK SEATS

    $1,536.99
    Bostrom ProRide Standard W/ Dual Armrests* High Quality Seat* Pro Ride Series Isolating Air Suspension* Pro Ride Hipro With 6 Inch Ride Zone* Air Lumbar Support* Standard Damper* Black Ultra-Leather*...
    9330011900
    SKU:
    9330011900
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Type Options:
    Standard Base
    Product Type:
    Seats
    $1,536.99
    Qty in Cart: 0
    Price:
    $1,536.99
    Subtotal:
  • Bostrom Pro Ride Low Base Mid-Back Seat - Black/Tan UltraLeather

    Bostrom Pro Ride Low Base Mid-Back Seat - Black/Tan UltraLeather

    BOSTROM TRUCK SEATS

    $1,250.99
    Bostrom Pro Ride Black & Tan UltraLeather Low Base Mid-Back Seat* High Quality Seat* Pro Ride * Black And Tan * Ultra-Leather * Mid Back * Low Base * With Armrest* Made In USA* Sold Individually **...
    9230011L82
    SKU:
    9230011L82
    Truck Class:
    Heavy Duty
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Type Options:
    Low Base
    Product Type:
    Seats
    $1,250.99
    Qty in Cart: 0
    Price:
    $1,250.99
    Subtotal:
  • Bostrom Pro Ride Mid Back Seat, W/ Armrests - Ultra Leather Black / Gray

    Bostrom Pro Ride Mid Back Seat, W/ Armrests - Ultra Leather Black / Gray

    BOSTROM TRUCK SEATS

    $1,187.99
    Black & Gray Ultra Leather Mid Back Pro Ride Seat W/ Dual Arm Rests* High Quality Seat* Made Of Ultra-leather* Black/Gray* Mid Back* Dual Arm Rest* Air Lumbar* Drape Suspension Cover* Standard...
    9230011L77
    SKU:
    9230011L77
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Style Options:
    Mid Back
    Material Options:
    Ultra Leather
    Make:
    Universal Items
    Product Type:
    Seats
    $1,187.99
    Qty in Cart: 0
    Price:
    $1,187.99
    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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