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- High adjustable backrest with integrated headrest
- Left hand side control functions
- Adjustable double locking slide rails
- Adjustable air lumbar – upper/lower & bolsters
- 30-degree seat tilt adjustment
- Document map pocket
- Heavy duty direct air suspension
- Left & right adjustable armrests
- Self-levelling with memory
- Manual air height adjustable
- Quick release air valve
- Adjustable damper
- GMC specific base
- Air supply required
- Also available in: Convoy I and Convoy III
- Heavy-duty direct air suspension with self-levelling capability for enhanced ride comfort
- Durable and easy bolt-in upgrade
- Advanced ergonomic support to reduce driver fatigue
- Adjustable seat cushion length: 60mm (2.36”)
- Suspension stroke: 90mm (3.5433”)
- Bolt pattern (side to side): 289mm (11.38”) - 292mm (11.5”)
- Bolt pattern (front to back): 76mm (3.0”) - 381mm (15.0”)
- Seat weight: 55.34kg (122lb)
GMC Medium Duty and TopKick trucks
Convoy II Direct Air Suspension GMC Medium Duty and TopKick Base Seats deliver enhanced ride comfort, advanced vibration reduction, and ergonomic adjustability for professional operators and fleet applications. Featuring heavy-duty direct air suspension with self-levelling capability, adjustable damper, seat tilt, air dump, and fully adjustable air lumbar system with upper, lower, and side bolsters, these seats help reduce driver fatigue on long hauls and rough roads. Optional seat and back cushion heaters add extra comfort. An optional turntable provides swivel with stop functionality. Our GMC Medium Duty and TopKick specific base makes installation easy. Convoy II Direct Air seats provide a robust, high-performance seating solution for all-day comfort and long-term durability. Air supply required.
Upgrade Your Ride. Improve Every Shift.
Our high-performance air-ride seats help absorb road vibration, reduce fatigue, and provide lasting support behind the wheel. Designed for demanding routes and long hours, they’re a practical upgrade for owner-operators and fleets alike.
Contact an Expert
For inquiries, product support, or ordering assistance, we can be reached at:
North America
Toll-Free: 1-800-667-SEAT (7328)
Outside North America
Phone: 1-780-962-0411
Corporate Office
#100, 24925 – 117 Avenue
Acheson, Alberta, T7X 6C2
Our team is available to assist with seat selection, compatibility questions, bulk orders, and technical guidance.
