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FCS 84100 Trunk Lid Lift Support - Rear
Rear Trunk Lid Lift Support for GM A-Body Applications
FCS 84100 is a rear trunk lid lift support built for specific 1979-1982 GM rear compartment applications. With a compressed length of 5.12 inches, extended length of 7.6 inches, and 2.48 inches of stroke, it provides the measured travel needed for proper trunk lid support on listed vehicles.
Key Features
- Part number: FCS 84100
- Rear trunk lid lift support for listed Buick, Chevrolet, Oldsmobile, and Pontiac models
- Compressed length: 5.12 in.
- Extended length: 7.6 in.
- Stroke length: 2.48 in.
- Fits rear applications on 1979-1982 vehicles shown below
Fitment Details
- Fits 1980-1982 Buick Regal, rear
- Fits 1980-1982 Chevrolet Monte Carlo, rear
- Fits 1981-1982 Pontiac Grand Prix, rear
- Fits 1980-1981 Chevrolet Malibu, rear
- Fits 1980-1981 Oldsmobile Cutlass, rear, Exc. Ciera
- Fits 1980-1981 Pontiac Grand LeMans, rear
- Fits 1980-1981 Pontiac LeMans, rear
- Fits 1979-1980 Oldsmobile Cutlass Salon, rear, Exc. Ciera
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Address
- Weak or failing trunk lid support
- Trunk lid that drops instead of staying open
- Reduced lift assistance at the rear compartment
- Inconsistent trunk opening and closing effort
- Wear-related loss of support on older GM rear lids
Installation Notes and Tips
Verify the compressed length, extended length, and stroke length against the existing support before installation. Confirm rear fitment on the exact year, make, and model listed for Buick Regal, Chevrolet Monte Carlo, Pontiac Grand Prix, Chevrolet Malibu, Oldsmobile Cutlass, Pontiac Grand LeMans, Pontiac LeMans, and Oldsmobile Cutlass Salon. Compare the mounting points and overall dimensions to the original unit to ensure proper alignment.
Quality Assurance
FCS 84100 is cataloged as a direct-fit trunk lid lift support for the listed rear applications and is identified by the FCS brand line for this product family.
| Brand | FCS |
|---|---|
| Part Number | 84100 |
| Position | FCS, Rear |
| Compressed Length | 5.12 |
| Extended Length | 7.6 |
| Stroke Length | 2.48 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Body Type | # Doors | Position | Notes |
|---|---|---|---|---|---|---|
| 1982 | Buick | Regal | Coupe | 2 Door | Rear | FCS |
| 1982 | Chevrolet | Monte Carlo | Coupe | 2 Door | Rear | FCS |
| 1982 | Pontiac | Grand Prix | Coupe | 2 Door | Rear | FCS |
| 1981 | Buick | Regal | Coupe | 2 Door | Rear | FCS |
| 1981 | Chevrolet | Malibu | Coupe | 2 Door | Rear | FCS |
| 1981 | Chevrolet | Monte Carlo | Coupe | 2 Door | Rear | FCS |
| 1981 | Oldsmobile | Cutlass | Coupe | 2 Door | Rear | Exc. Ciera; FCS |
| 1981 | Pontiac | Grand LeMans | Coupe | 2 Door | Rear | FCS |
| 1981 | Pontiac | Grand Prix | Coupe | 2 Door | Rear | FCS |
| 1981 | Pontiac | LeMans | Coupe | 2 Door | Rear | FCS |
| 1980 | Buick | Regal | Coupe | 2 Door | Rear | FCS |
| 1980 | Chevrolet | Malibu | Coupe | 2 Door | Rear | FCS |
| 1980 | Chevrolet | Monte Carlo | Coupe | 2 Door | Rear | FCS |
| 1980 | Oldsmobile | Cutlass | Coupe | 2 Door | Rear | Exc. Ciera; FCS |
| 1980 | Oldsmobile | Cutlass Salon | Coupe | 2 Door | Rear | Exc. Ciera; FCS |
| 1980 | Pontiac | Grand LeMans | Coupe | 2 Door | Rear | FCS |
| 1980 | Pontiac | LeMans | Coupe | 2 Door | Rear | FCS |
| 1979 | Oldsmobile | Cutlass Salon | Coupe | 2 Door | Rear | Exc. Ciera; FCS |
* 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.