Firestone fir4155 Coil-Rite Air Helper Spring Kit - Rear - 04-17 Toyota Sienna

If you're looking for a smoother ride for your vehicle that has a coil spring suspension, Firestone Coil-Rite air helper springs are what you need. Designed to fit inside existing coil springs to create a variable spring rate, Coil-Rite will level your vehicle and assist with more effective braking and handling, even under heavy loading and adverse road conditions.Coil-Rite enables you to control the air pressure in the air helper springs so you can make adjustments for varying loads and road conditions. Spring performance can be altered as easily as inflating a tire.Firestone Coil-Rite air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. The air springs will support 500-1000 lbs. per set (not to exceed vehicle's GVWR). Coil-Rite Air Helper Springs are designed to work in temperatures between 180deg F (82deg C) and -40deg F (-40deg C). Coil-Rite® Air Helper Spring Kit; Rear; Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required;

• Keep Headlights Aimed On The Road
• Improve Braking Effectiveness
• Improve Steering And Balance
• Increase Vehicle Stability
• Maintain A Level Vehicle
• Prevent Bottoming Out
• Reduce Tire Wear

The Firestone Coil-Rite Air Helper Spring Kit is designed for vehicles with coil spring suspension and installs inside the existing rear coil springs. The kit creates a variable spring rate to help level the vehicle and support more effective braking and handling under heavy loading and adverse road conditions.

Air pressure can be adjusted to accommodate varying loads and road conditions, allowing spring performance to be changed as easily as inflating a tire. Made from durable, elastic polyurethane, the air helper springs support 500-1000 lbs. per set, without exceeding the vehicle's GVWR. They are designed to operate between -40°F and 180°F.

Key Features & Performance Benefits

• Helps maintain a level vehicle under changing loads.
• Supports improved braking effectiveness, steering, and balance.
• Increases vehicle stability and helps prevent bottoming out.
• May help reduce tire wear and keep headlights aimed on the road.

Key Product Specifications & Technical Data

• Brand: Firestone
• Product line: Coil-Rite
• Part number: fir4155
• Application position: Rear
• Product type: Air helper spring kit
• Construction: Elastic polyurethane
• Support capacity: 500-1000 lbs. per set
• Operating temperature range: -40°F to 180°F

What's Included

• Air helper springs
• Supports
• Hardware
• Air line
• Inflation valves

Fitment

Fits 2011-2012 Toyota Sienna applications listed by the supplier. No drilling is required.

Fitments:
2004 Scion xA Base
2004 Toyota Sienna CE
2004 Toyota Sienna LE
2004 Toyota Sienna XLE
2004 Toyota Sienna XLE Limited
2005 Buick Terraza CX
2005 Buick Terraza CXL
2005 Chevrolet Uplander Base
2005 Chevrolet Uplander LS
2005 Chevrolet Uplander LT
2005 Saturn Relay 2
2005 Saturn Relay 3
2005 Scion xA Base
2005 Toyota Sienna CE
2005 Toyota Sienna LE
2005 Toyota Sienna XLE
2005 Toyota Sienna XLE Limited
2006 Buick Terraza CX
2006 Buick Terraza CXL
2006 Chevrolet Uplander Base
2006 Chevrolet Uplander LS
2006 Chevrolet Uplander LT
2006 Saturn Relay 2
2006 Saturn Relay 3
2006 Toyota Sienna CE
2006 Toyota Sienna LE
2006 Toyota Sienna Limited
2006 Toyota Sienna XLE
2007 Buick Terraza CX
2007 Buick Terraza CXL
2007 Chevrolet Uplander Base
2007 Chevrolet Uplander LS
2007 Chevrolet Uplander LT
2007 Saturn Relay 1
2007 Saturn Relay 2
2007 Saturn Relay 3
2007 Toyota Sienna CE
2007 Toyota Sienna LE
2007 Toyota Sienna Limited
2007 Toyota Sienna XLE
2008 Chevrolet Uplander Base
2008 Chevrolet Uplander LS
2008 Chevrolet Uplander LT
2008 Toyota Sienna CE
2008 Toyota Sienna LE
2008 Toyota Sienna Limited
2008 Toyota Sienna XLE
2009 Toyota Sienna CE
2009 Toyota Sienna LE
2009 Toyota Sienna XLE
2010 Toyota Sienna CE
2010 Toyota Sienna LE
2010 Toyota Sienna XLE
2011 Toyota Sienna Base
2011 Toyota Sienna LE
2011 Toyota Sienna Limited
2011 Toyota Sienna SE
2011 Toyota Sienna XLE
2012 Toyota Sienna Base
2012 Toyota Sienna LE
2012 Toyota Sienna Limited
2012 Toyota Sienna SE
2012 Toyota Sienna XLE
2013 Toyota Sienna Base
2013 Toyota Sienna L
2013 Toyota Sienna LE
2013 Toyota Sienna Limited
2013 Toyota Sienna SE
2013 Toyota Sienna XLE
2014 Toyota Sienna L
2014 Toyota Sienna LE
2014 Toyota Sienna Limited
2014 Toyota Sienna SE
2014 Toyota Sienna XLE
2015 Toyota Sienna L
2015 Toyota Sienna LE
2015 Toyota Sienna Limited
2015 Toyota Sienna SE
2015 Toyota Sienna XLE
2016 Toyota Sienna L
2016 Toyota Sienna LE
2016 Toyota Sienna Limited
2016 Toyota Sienna SE
2016 Toyota Sienna XLE
2017 Toyota Sienna L
2017 Toyota Sienna LE
2017 Toyota Sienna Limited
2017 Toyota Sienna SE
2017 Toyota Sienna XLE
2018 Toyota Sienna L
2018 Toyota Sienna LE
2018 Toyota Sienna Limited
2018 Toyota Sienna Limited Premium
2018 Toyota Sienna SE
2018 Toyota Sienna SE Premium
2018 Toyota Sienna XLE
2018 Toyota Sienna XLE Premium
2019 Toyota Sienna L
2019 Toyota Sienna LE
2019 Toyota Sienna Limited
2019 Toyota Sienna Limited Premium
2019 Toyota Sienna SE
2019 Toyota Sienna SE Premium
2019 Toyota Sienna XLE
2019 Toyota Sienna XLE Premium
2020 Toyota Sienna L
2020 Toyota Sienna LE
2020 Toyota Sienna Limited
2020 Toyota Sienna Limited Premium
2020 Toyota Sienna SE
2020 Toyota Sienna SE Premium
2020 Toyota Sienna XLE
2020 Toyota Sienna XLE Premium
2021 Toyota Sienna LE
2021 Toyota Sienna Limited
2021 Toyota Sienna Platinum
2021 Toyota Sienna XLE
2021 Toyota Sienna XSE
2022 Toyota Sienna LE
2022 Toyota Sienna Limited
2022 Toyota Sienna Platinum
2022 Toyota Sienna Woodland Edition
2022 Toyota Sienna XLE
2022 Toyota Sienna XSE

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1