1997-2002 Ford Expedition (w/rear coil springs) - "Coil-Rite" Air Bag Helper Springs (Rear)

Ford Expedition Firestone Air Bags 1997-2002 by Firestone #4134
Sample Image Shown (actual item may vary slightly)
Firestone - 4134f
Authorized Dealer
Firestone #4134
Firestone - 4134f
Authorized Dealer
Sale Price:
  • $104.65
$112.53 Save: $7.88 (7%)
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Arrives 1 to 5 days after product ships


Firestone "Coil-Rite" air bag helper springs are designed to fit inside the existing coil spring suspension creating a variable rate spring. These air bags are made of durable, elastic polyurethane providing years of comfort and stability to your vehicle. "Coil-Rite" air bags enable adjustment for varying loads and road conditions by inflating or deflating the springs. Performance can be altered as easily as inflating a tire. Installed between the frame of the vehicle and the suspension providing load support through the use of air pressure.

Features and Benefits

  • Firestone # 4134 Air Bags are custom fit for the Ford Expedition
  • Easy installation (1 to 2 hours)
  • Firestone #4134 Kit includes (2) air bag helper springs and any required hardware
  • Will handle loads capacities up to 500-1000 lbs*
  • Reduce suspension fatigue
  • Improve steering and balance
  • Increase vehicle stability
  • Prevent "bottom" out
  • Firestone Limited Lifetime Warranty

Installation Notes

1. Do NOT exceed the vehicles Recommended Gross Vehicle Weight Rating (GVWR)

Tech Specs

Download Instructions 4134 Instructions
Level Load Capacity: 500 lbs to 1000 lbs
Average Install Time: 1 to 2 hours
Front or Rear Axle: REAR
Drilling Required (Yes or No): NO
Weight: 10.00 lbs.
Part 4134 fits:
  • 2002 Ford Expedition
  • 2001 Ford Expedition
  • 2000 Ford Expedition
  • 1999 Ford Expedition
  • 1998 Ford Expedition
  • 1997 Ford Expedition

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