Peterbilt 389 Seats

A GRA-MAG drop-in aftermarket seat for Peterbilt 389 seats offers both durability and comfort for those long hauls. Built tough for the open road, each GRA-MAG aftermarket Peterbilt 389 seat provides the support you need to stay comfortable mile after mile. Our semi-truck seats are crafted to fit your rig perfectly, making the Peterbilt 389 experience even better. When you’re ready to add comfort to your ride, our selection of drop-in aftermarket Peterbilt 389 seats has what you need to tackle any trip in style.

Comfortable Aftermarket Peterbilt 389 Seats

Long-haul drivers who spend hours behind the wheel understand the importance of having the right seat. GRA-MAG's premium aftermarket seating solutions are engineered for drivers who want exceptional comfort, durability, and dependable performance from their setup. Our aftermarket Peterbilt 389 seats are designed for Peterbilt 389 trucks—not manufactured by Peterbilt—but carefully engineered for strong compatibility, ergonomic support, and long-lasting ride quality.

Whether you're upgrading for comfort, durability, or personalization, our seating solutions help reduce fatigue, improve posture, and deliver the support every road warrior needs.

Semi-truck driver in the cab of a Peterbilt 389 Seat

Built to Fit Peterbilt 389 Models

GRA-MAG offers aftermarket Peterbilt 389 seats specifically designed to align with the cab layout and mounting patterns commonly found in the 389 model. Each seat integrates smoothly with factory bolt locations, minimizing installation time and helping ensure proper ride height and clearance.

These aftermarket seats for Peterbilt 389 trucks are available in multiple configurations, including high-back and mid-back designs, mechanical or air-ride suspension, and cloth or leather upholstery options. Every aftermarket Peterbilt 389 driver seat features adjustable lumbar, cushion tilt, recline, and other ergonomic settings to help drivers fine-tune their ideal driving posture.

For those exploring compatibility across other Peterbilt trucks, be sure to check our Peterbilt Seats category for related models.

Customize Your Peterbilt 389 Driving Experience

No two drivers are alike, and neither are their seating needs. That's why GRA-MAG designs Peterbilt 389 aftermarket seats with multiple comfort, suspension, and upholstery options to appeal to all driver preferences. Whether you prioritize a premium feel, extra adjustability, or better vibration reduction, there's a seat built to match your long-haul demands.

Options include:

  • Cloth or leather seating materials for durability and comfort
  • Air ride suspension to help absorb road shock and improve ride smoothness
  • Enhanced lumbar and bolster support for better spinal alignment and reduced fatigue
  • Replaceable foam assemblies and cushions to extend seat life and lower long-term costs
  • Seat base adapter options for trucks with older or modified factory bases

These upgrades give drivers greater control over comfort and support, especially valuable on long stretches of highway or uneven regional routes. Looking to compare comfort features? Check out our guide to the Most Comfortable Semi-Truck Seats.

When to Consider a Peterbilt 389 Seat Replacement

If your current Peterbilt 389 seat feels worn out or doesn't support you the way it used to, replacing it can dramatically improve your time on the road. Over time, OEM seats can lose their cushioning, develop air leaks, or experience mechanical issues, which can affect both comfort and safety.

Signs you may need a replacement include:

  • Sagging or uneven cushioning
  • Torn cloth or cracked leather
  • Poor or inconsistent seat adjustment
  • Back, shoulder, or hip discomfort on long runs
  • Excessive vibration or suspension instability

GRA-MAG's aftermarket Peterbilt 389 seats for sale offer an excellent upgrade path for drivers seeking a smoother ride, increased adjustability, and modern ergonomic features compared to older or worn-out factory seats.

For a full installation walkthrough, explore our guide on How to Install Aftermarket Semi-Truck Seats.

FAQs About Peterbilt 389 Seats

If you're researching Peterbilt 389 seats, the FAQs below cover the most common questions regarding fitment, installation, materials, and compatibility.

Which seats fit a Peterbilt 389, and are these OEM or aftermarket?

GRA-MAG seats are premium aftermarket seats compatible with Peterbilt 389 trucks. They are not manufactured by Peterbilt or PACCAR but are engineered for strong compatibility with the 389 cab and mounting patterns. Browse more options under Peterbilt Seats or see our guide to the Best Peterbilt Truck Seats.

Do I need a seat base adapter for a Peterbilt 389?

Many seats bolt directly into the 389, but some applications may require a seat base adapter (also known as a seat adapter). This ensures correct ride height, bolt pattern alignment, and slider travel. Check the Fitment/Specs tab on each product or contact support for guidance.

What's the difference between a Peterbilt 389 driver's seat and a passenger seat?

A Peterbilt 389 driver seat typically includes more adjustment features, such as lumbar, recline, suspension tuning, and cushion tilt. Passenger seats often share design aesthetics but include simpler adjustment options. Explore our complete list of Peterbilt 389 truck seats or view related options in Peterbilt 579 Seats and 379 Seats.

Can I get leather seats for my Peterbilt 389?

Yes—multiple leather seating options are available. Leather provides a premium look with durable wear characteristics ideal for daily commercial driving. To explore additional styling, check the Legacy Seats for Peterbilt category.

How do I install Peterbilt 389 aftermarket seats?

Most aftermarket seats feature bolt patterns compatible with Peterbilt frames, though some require a base adapter. Installations typically involve mounting the base, routing air lines (for air-ride models), and verifying ride height. For step-by-step instructions, see How to Install Aftermarket Semi-Truck Seats.

Will seats for a Peterbilt 379 or 579 also fit a 389?

Often yes, but always verify bolt patterns and base styles. Many seats cross-fit between the 379, 389, and 579 platforms, but slight variations can require adapters. Compare specifications in the Peterbilt 379 Seats and Peterbilt 579 Seats categories.

What are the price ranges for Peterbilt 389 seats?

Pricing varies based on suspension (air vs. mechanical), material (leather vs. cloth), heat/cool features, and seat width. You'll find Peterbilt 389 seats for sale across a wide price range. Product pages include accurate price listings, or you can contact us for quotes and fleet pricing.

Shop GRA-MAG for Aftermarket Peterbilt 389 Seats

Ready to upgrade your driving experience? Explore GRA-MAG's full lineup of aftermarket seats designed for Peterbilt 389 trucks, built for all-day comfort, durability, and long-haul performance. Whether you're replacing a worn-out seat or upgrading your entire fleet, we offer premium solutions that help drivers stay supported mile after mile.

Browse our full Peterbilt seats collection or explore our full semi-truck seats lineup to shop all options.

Peterbilt Seat Related Articles

Driver Riding in the Best Aftermarket Seat for Peterbilt Trucks How to Choose the Best Aftermarket Seats for Peterbilt Semi-Trucks Explore tips on when to replace a semi-truck seat, how to install aftermarket seats, and stock vs. aftermarket comparisons to inform your purchase.
Truck Driver Sitting on the Most Comfortable Semi-Truck Seat A Driver's Guide to Finding the Most Comfortable Semi-Truck Seats on the Market Read expert guides on improving long-haul comfort, fixing uncomfortable truck seats, and how vibration-cancelling seats enhance driver health.
Installing Aftermarket Semi-Truck Seats How To Install Aftermarket Semi-truck Seats Step-by-step guide to install aftermarket semi-truck seats, including Peterbilt/Kenworth direct-fit hardware, air line hookups, wiring, and safety tips.