Description
Firestone Coil-Rite Air Helper Spring Kit — variable load support for coil-sprung 1994-1999 F-250.
Designed for 1994-1999 F-250’s coil-spring suspension, the Coil-Rite Air Helper Spring Kit installs inside the factory coil springs to provide variable spring rate and up to 1,000 lbs. of additional load capacity per set. Inflate via Schrader valve to match your load — same principle as Ride-Rite, but engineered for coil-sprung applications instead of leaf springs.
Key Features
- Installs inside existing coil springs — no brackets or modifications
- Up to 1,000 lbs. of additional load capacity per set (not to exceed GVWR)
- Durable polyurethane construction rated from -40°F to 180°F
- Air-adjustable via Schrader valve to match your exact load
- Direct bolt-on installation with included hardware
Specifications
- Product Line: Coil-Rite Air Helper Spring
- Position: Front
- Kit Type: Helper Spring Kit
- Load Capacity: Standard (up to 5,000 lbs. per axle)
- Manufacturer Part Number: W237604101
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1975-1982 | Ford | E-100 Econoline | Base |
| 1975-1982 | Ford | E-100 Econoline | Chateau |
| 1975-1983 | Ford | E-100 Econoline | Custom |
| 1975-1978 | Ford | E-100 Econoline | Northland |
| 1983 | Ford | E-100 Econoline | XL |
| 1975-1982 | Ford | E-100 Econoline Club Wagon | Base |
| 1975-1982 | Ford | E-100 Econoline Club Wagon | Chateau |
| 1975-1983 | Ford | E-100 Econoline Club Wagon | Custom |
| 1975-1978 | Ford | E-100 Econoline Club Wagon | Northland |
| 1983 | Ford | E-100 Econoline Club Wagon | XL |
| 2003-2014 | Ford | E-150 | Base |
| 2006-2007 | Ford | E-150 | Chateau |
| 2006-2014 | Ford | E-150 | XL |
| 2006-2014 | Ford | E-150 | XLT |
| 2003-2005 | Ford | E-150 Club Wagon | Chateau |
| 2003-2005 | Ford | E-150 Club Wagon | XL |
| 2003-2005 | Ford | E-150 Club Wagon | XLT |
| 1975-1982,1984-1986,1992-2002 | Ford | E-150 Econoline | Base |
| 1975-1982 | Ford | E-150 Econoline | Chateau |
| 1975-1983,1987-1991 | Ford | E-150 Econoline | Custom |
| 1975-1978 | Ford | E-150 Econoline | Northland |
| 1983-2000 | Ford | E-150 Econoline | XL |
| 1975-1982,1984-1986 | Ford | E-150 Econoline Club Wagon | Base |
| 1975-1982,1992-2002 | Ford | E-150 Econoline Club Wagon | Chateau |
| 1975-1983,1987-2000 | Ford | E-150 Econoline Club Wagon | Custom |
| 1975-1978 | Ford | E-150 Econoline Club Wagon | Northland |
| 1983-1991,2001-2002 | Ford | E-150 Econoline Club Wagon | XL |
| 1984-2002 | Ford | E-150 Econoline Club Wagon | XLT |
| 2003-2014 | Ford | E-250 | Base |
| 1975-1982,1984-1986,1992-2002 | Ford | E-250 Econoline | Base |
| 1975-1982 | Ford | E-250 Econoline | Chateau |
| 1975-1983,1987-1991 | Ford | E-250 Econoline | Custom |
| 1975-1978 | Ford | E-250 Econoline | Northland |
| 1983-2000 | Ford | E-250 Econoline | XL |
| 1975-1982,1984-1986 | Ford | E-250 Econoline Club Wagon | Base |
| 1975-1982 | Ford | E-250 Econoline Club Wagon | Chateau |
| 1975-1983,1987-1991 | Ford | E-250 Econoline Club Wagon | Custom |
| 1975-1978 | Ford | E-250 Econoline Club Wagon | Northland |
| 1983-1991 | Ford | E-250 Econoline Club Wagon | XL |
| 1984-1991 | Ford | E-250 Econoline Club Wagon | XLT |
| 2003-2005 | Ford | E-350 Club Wagon | Chateau |
| 2003-2005 | Ford | E-350 Club Wagon | XL |
| 2003-2005 | Ford | E-350 Club Wagon | XLT |
| 1975-1982,1984-1986,1992-1998 | Ford | E-350 Econoline | Base |
| 1975-1982 | Ford | E-350 Econoline | Chateau |
| 1975-1983,1987-1991 | Ford | E-350 Econoline | Custom |
| 1975-1978 | Ford | E-350 Econoline | Northland |
| 1983-1998 | Ford | E-350 Econoline | XL |
| 1977-1982,1984-1986 | Ford | E-350 Econoline Club Wagon | Base |
| 1977-1982,1992-2002 | Ford | E-350 Econoline Club Wagon | Chateau |
| 1992-1996 | Ford | E-350 Econoline Club Wagon | Chateau HD |
| 1977-1983,1987-2000 | Ford | E-350 Econoline Club Wagon | Custom |
| 1992-1993 | Ford | E-350 Econoline Club Wagon | Custom HD |
| 1977-1978 | Ford | E-350 Econoline Club Wagon | Northland |
| 1983-1991,2001-2002 | Ford | E-350 Econoline Club Wagon | XL |
| 1994-1998 | Ford | E-350 Econoline Club Wagon | XL HD |
| 1984-1989,1991-2002 | Ford | E-350 Econoline Club Wagon | XLT |
| 1992-1998 | Ford | E-350 Econoline Club Wagon | XLT HD |
| 1999-2019,2021-2024 | Ford | E-350 Super Duty | Base |
| 2006 | Ford | E-350 Super Duty | Chateau |
| 1999-2000,2006-2014 | Ford | E-350 Super Duty | XL |
| 2006-2014 | Ford | E-350 Super Duty | XLT |
| 1969-1974,1976-1978,1983-1986,1997-1999 | Ford | F-250 | Base |
| 1975-1982,1987-1992 | Ford | F-250 | Custom |
| 1995-1996 | Ford | F-250 | Eddie Bauer |
| 1997-1999 | Ford | F-250 | Lariat |
| 1975-1978 | Ford | F-250 | Northland |
| 1975-1981 | Ford | F-250 | Ranger |
| 1978-1981 | Ford | F-250 | Ranger Lariat |
| 1975-1981 | Ford | F-250 | Ranger XLT |
| 1995-1996 | Ford | F-250 | Special |
| 1982-1999 | Ford | F-250 | XL |
| 1982-1983 | Ford | F-250 | XLS |
| 1977,1983-1984,1993-1999 | Ford | F-250 | XLT |
| 1982,1985-1992 | Ford | F-250 | XLT Lariat |
| 1997 | Ford | F-250 HD | XL |
| 1997 | Ford | F-250 HD | XLT |
| 2004-2016 | Ford | F-250 Super Duty | King Ranch |
| 1999-2016 | Ford | F-250 Super Duty | Lariat |
| 1999-2016 | Ford | F-250 Super Duty | XL |
| 1999-2016 | Ford | F-250 Super Duty | XLT |
| 1970-1974,1976-1978,1983-1986,1997 | Ford | F-350 | Base |
| 1975-1982,1987-1992 | Ford | F-350 | Custom |
| 1995 | Ford | F-350 | Eddie Bauer |
| 1975-1978 | Ford | F-350 | Northland |
| 1975-1981 | Ford | F-350 | Ranger |
| 1978-1981 | Ford | F-350 | Ranger Lariat |
| 1975-1981 | Ford | F-350 | Ranger XLT |
| 1995-1996 | Ford | F-350 | Special |
| 1982-1997 | Ford | F-350 | XL |
| 1982-1983 | Ford | F-350 | XLS |
| 1977,1983-1984,1993-1997 | Ford | F-350 | XLT |
| 1982,1985-1992 | Ford | F-350 | XLT Lariat |
| 2008-2009 | Ford | F-350 Super Duty | FX4 |
| 2004,2006-2010 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2003-2016 | Ford | F-350 Super Duty | King Ranch |
| 1999-2016 | Ford | F-350 Super Duty | Lariat |
| 2013-2016 | Ford | F-350 Super Duty | Platinum |
| 1999-2016 | Ford | F-350 Super Duty | XL |
| 1999-2016 | Ford | F-350 Super Duty | XLT |
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