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Unity 65390C Air Spring to Coil Spring Conversion Kit - Rear
Upgrade Suspension with Unity Air Spring to Coil Spring Conversion Kit
The Unity Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit offers a reliable solution for replacing air suspension components with a coil spring setup. Designed specifically for select Buick, Cadillac, Oldsmobile, and Pontiac models, this kit provides a durable alternative to air springs.
- Converts electronic or passive air spring suspension to coil spring strut assembly
- Compatible with Buick 88, LeSabre, and Regal models
- Fits Cadillac DeVille, Fleetwood, and Seville models
- Designed for Oldsmobile Delta 88 and Pontiac Bonneville, and Regency
- Part number 65390C for precise identification and ordering
About the Unity Electronic to Passive Air Spring to Coil Spring Conversion Kit
This conversion kit is part of Unity's Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit product line, which focuses on providing effective solutions for vehicles originally equipped with air suspension systems. The kit enables a transition to a coil spring setup, which can simplify maintenance and improve reliability for older vehicles with air spring failures.
Product Description and Compatibility
The Unity 65390C conversion kit is engineered to replace air spring assemblies on specific GM vehicles, including Buick 88 and LeSabre, Cadillac DeVille and Fleetwood, Oldsmobile Delta 88, and Pontiac Bonneville and Regency models. This kit allows owners to convert their electronic or passive air suspension systems to a coil spring strut assembly, which can reduce complexity and potential air suspension issues. The part number 65390C ensures compatibility and ease of reference when sourcing replacement parts.
Common Applications and Problem Solving
- Addresses air spring failure or leaks in Buick, Cadillac, Oldsmobile, and Pontiac models
- Eliminates the need for costly air compressor and sensor repairs
- Improves suspension reliability on vehicles with aging air suspension systems
- Restores proper ride height and handling characteristics
- Provides a long-term suspension solution for discontinued air spring components
Installation Notes and Tips
Installation of the Unity 65390C conversion kit requires suspension disassembly and replacement of the air spring assembly with the coil spring strut assembly. It is recommended to have the installation performed by a qualified technician familiar with air suspension systems and coil spring conversions. Proper alignment and torque specifications should be followed to ensure safe and effective operation.
Quality Assurance and Warranty
Unity manufactures this conversion kit to meet or exceed OEM standards for fit and function. While specific warranty details are not provided, Unity products typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer prior to installation.
This part fits 60 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1999 | Oldsmobile | 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1999 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1998 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1998 | Oldsmobile | 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1998 | Oldsmobile | Regency | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1998 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1997 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1997 | Oldsmobile | 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1997 | Oldsmobile | Regency | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1997 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1996 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1996 | Oldsmobile | 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1996 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1995 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1995 | Oldsmobile | 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1995 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1994 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1994 | Oldsmobile | 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1994 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1993 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1993 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1993 | Oldsmobile | 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1993 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1992 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1992 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1992 | Cadillac | Fleetwood | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1992 | Oldsmobile | 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1992 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1991 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1991 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1991 | Cadillac | Fleetwood | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1991 | Oldsmobile | Delta 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1991 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1990 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1990 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1990 | Cadillac | Fleetwood | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1990 | Oldsmobile | Delta 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1990 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1989 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1989 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1989 | Cadillac | Fleetwood | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1989 | Oldsmobile | Delta 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1989 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1988 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1988 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1988 | Cadillac | Fleetwood | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1988 | Oldsmobile | Delta 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1988 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1987 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1987 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1987 | Cadillac | Fleetwood | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1987 | Oldsmobile | Delta 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1987 | Pontiac | Bonneville | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1986 | Buick | LeSabre | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1986 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1986 | Cadillac | Fleetwood | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1986 | Oldsmobile | Delta 88 | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1985 | Cadillac | DeVille | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
| 1985 | Cadillac | Fleetwood | Rear | Kit Includes (2) Bare Struts (2) Dustboots with Bump Stop (2) Springs (4) Nuts Converting Air/Electronic to Standard Suspension; Kit Includes Resistors/Ride Light Bypass Kit; Electronic to Passive Air Spring to Coil Spring Strut Assembly Conversion Kit |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.