Firestone Coil-Rite Rear Air Helper Spring Kit | 4108

Part # / Stock #: 4108

Firestone Coil-Rite rear air helper spring kit. Confirm the exact application and all restrictions below before ordering.

Current Manufacturer Fitment

• Cadillac Escalade ESV with Autoride 2WD, 4WD (2015-2020)
• Cadillac Escalade ESV without Autoride 2WD, 4WD (2007-2020)
• Cadillac Escalade ESV 2WD, 4WD (2002-2006)
• Cadillac Escalade EXT with Autoride 2WD, 4WD (2015-2020)
• Cadillac Escalade EXT without Autoride 2WD, 4WD (2007-2020)
• Cadillac Escalade EXT 2WD, 4WD (2002-2006)
• Chevrolet Avalanche 1500 without Autoride 2WD, 4WD (2002-2013)
• Chevrolet Suburban 1500 with Autoride 2WD, 4WD (2015-2020)
• Chevrolet Suburban 1500 without Autoride 2WD, 4WD (2000-2020)
• Chevrolet Tahoe with Autoride 2WD, 4WD (2015-2020)
• Chevrolet Tahoe without Autoride 2WD, 4WD (2000-2020)
• Chevrolet Trailblazer 2WD, 4WD (2002-2009)
• Ford Country Squire (1983-1997)
• Ford Crown Victoria (1983-1997)
• Gmc Envoy 2WD, 4WD (2002-2009) — 2WD With rear coil springs only 4WD With rear coil springs only
• Gmc Yukon with Autoride 2WD, 4WD (2015-2020)
• Gmc Yukon without Autoride 2WD, 4WD (2000-2020)
• Hummer H2/H2 SUT (2003-2009) — With rear coil springs only
• Lincoln Town Car (1980-1989)
• Mercury Colony Park (1983-1997)
• Mercury Grand Marquis (1983-1997)

Kit Details

• Fill Kit: Manual
• Load Capacity: 1000lbs
• Installation: No Drill
• In-Bed Hitch: Not Compatible
• Min. Air Pressure: 5 PSI
• Max Air Pressure: 25 PSI
• Install Time: 1 - 2 HOUR(s)

Air helper springs provide adjustable load-leveling support. They do not increase the vehicle manufacturer’s GVWR, axle ratings, payload or towing capacity. Manufacturer applications are for stock vehicles unless specifically stated; lifted, lowered and modified vehicles require a separate compatibility check. Air compressor sold separately.

View current Firestone fitment and installation information.