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Mevotech SMS6321 Coil Spring Set - Rear
| Brand | Mevotech SMS6321 |
|---|---|
| Position | Rear |
| Fits | Chevrolet, Pontiac, Buick, and Oldsmobile · 75 vehicles |
Coil spring set. Restores suspension support with a direct replacement design.
Suspension component. Built for dependable spring performance and ride support.
Cross-references AMS Automotive 6321 and JCS1757T for the same application. See all 2.
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Rear Coil Spring Set for Classic GM Applications
Mevotech SMS6321 is a rear coil spring set for select Chevrolet, Pontiac, Buick, and Oldsmobile vehicles. It is listed for constant-rate spring applications and rear suspension service on classic GM platforms, including El Camino, Grand Prix, Monte Carlo, Skylark, and Cutlass.
- Rear coil spring set for suspension replacement
- Constant-rate spring application
- Fits select Chevrolet El Camino, rear
- Fits select Pontiac Grand Prix, rear
- Fits select Chevrolet Monte Carlo, rear
- Fits select Buick Skylark, rear
- Fits select Oldsmobile Cutlass, rear
- Part number: SMS6321
Fitment Details
- Fits 1985-1987 Chevrolet El Camino, rear; Constant rate spring; Regular
- Fits 1978-1980 Chevrolet El Camino, rear; Constant rate spring; Regular
- Fits 1983-1987 Pontiac Grand Prix, rear; Constant rate spring; Regular
- Fits 1986-1987 Pontiac Grand Prix, rear; Constant rate spring; with Overdrive; Regular
- Fits 1984-1985 Chevrolet Monte Carlo, rear; Constant rate spring; Regular; with Overdrive
- Fits 1984-1985 Chevrolet Monte Carlo, rear; Constant rate spring; Regular
- Fits 1967-1971 Buick Skylark, rear; Constant rate spring; Regular
- Fits 1971 Oldsmobile Cutlass, rear; Constant rate spring; incl. s & supreme; 4-4-2; Regular
What This Spring Set Helps Address
- Sagging rear ride height
- Uneven rear suspension stance
- Worn or fatigued coil springs
- Rear-end instability from weakened springs
- Restoration needs on classic GM rear suspension systems
Installation Notes
Verify rear suspension configuration, model year, and notes such as Overdrive or Regular before ordering. This part cross-references AMS Automotive 6321 and JCS1757T for the same application. Professional installation is recommended for coil spring service because spring compression and suspension preload must be handled correctly.
Quality Assurance
Mevotech SMS6321 is cataloged for direct-fit rear suspension applications on the listed vehicles and follows the specified constant-rate spring configuration for those fitments.
This part fits 75 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Body Type | # Doors | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1987 | Chevrolet | El Camino | — | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1987 | Chevrolet | El Camino | — | — | — | — | 4.3L | V6 | — | Rear | Constant rate spring; Regular |
| 1987 | Pontiac | Grand Prix | LE | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1987 | Pontiac | Grand Prix | Brougham | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1987 | Pontiac | Grand Prix | — | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; with Overdrive; Regular |
| 1987 | Pontiac | Grand Prix | — | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1987 | Pontiac | Grand Prix | LE | — | — | Automatic | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1987 | Pontiac | Grand Prix | Brougham | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1987 | Pontiac | Grand Prix | — | — | — | Automatic | 3.8L | V6 | — | Rear | Constant rate spring; with Overdrive; Regular |
| 1987 | Pontiac | Grand Prix | — | — | — | Automatic | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1986 | Chevrolet | El Camino | — | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1986 | Chevrolet | El Camino | — | — | — | — | 4.3L | V6 | — | Rear | Constant rate spring; Regular |
| 1986 | Pontiac | Grand Prix | LE | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1986 | Pontiac | Grand Prix | Brougham | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1986 | Pontiac | Grand Prix | — | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; with Overdrive; Regular |
| 1986 | Pontiac | Grand Prix | — | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1986 | Pontiac | Grand Prix | LE | — | — | Automatic | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1986 | Pontiac | Grand Prix | Brougham | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1986 | Pontiac | Grand Prix | — | — | — | Automatic | 3.8L | V6 | — | Rear | Constant rate spring; with Overdrive; Regular |
| 1986 | Pontiac | Grand Prix | — | — | — | Automatic | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1985 | Chevrolet | El Camino | — | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1985 | Chevrolet | El Camino | — | — | — | — | 4.3L | V6 | — | Rear | Constant rate spring; Regular |
| 1985 | Chevrolet | Monte Carlo | Base | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; Regular; with Overdrive |
| 1985 | Chevrolet | Monte Carlo | Base | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1985 | Chevrolet | Monte Carlo | SS | Coupe | 2 Door | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1985 | Chevrolet | Monte Carlo | — | — | — | Automatic | 4.3L | V6 | — | Rear | Constant rate spring; Regular; with Overdrive |
| 1985 | Pontiac | Grand Prix | LE | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1985 | Pontiac | Grand Prix | Base | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1985 | Pontiac | Grand Prix | LE | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1985 | Pontiac | Grand Prix | Brougham | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1985 | Pontiac | Grand Prix | Base | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1984 | Chevrolet | Monte Carlo | — | — | — | — | 5.7L | V8 | DIESEL | Rear | Constant rate spring; Regular |
| 1984 | Chevrolet | Monte Carlo | Base | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; Regular; with Overdrive |
| 1984 | Chevrolet | Monte Carlo | Base | — | — | Automatic | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1984 | Chevrolet | Monte Carlo | SS | Coupe | 2 Door | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1984 | Chevrolet | Monte Carlo | — | — | — | Automatic | 3.8L | V6 | — | Rear | Constant rate spring; Regular; with Overdrive |
| 1984 | Chevrolet | Monte Carlo | — | — | — | Automatic | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1984 | Pontiac | Grand Prix | — | — | — | — | 5.7L | V8 | DIESEL | Rear | Constant rate spring; Regular |
| 1984 | Pontiac | Grand Prix | LE | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1984 | Pontiac | Grand Prix | Brougham | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1984 | Pontiac | Grand Prix | Base | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1984 | Pontiac | Grand Prix | — | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | LJ | Coupe | 2 Door | — | 5.7L | V8 | DIESEL | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | — | Coupe | 2 Door | — | 5.7L | V8 | DIESEL | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | Brougham | Coupe | 2 Door | — | 5.7L | V8 | DIESEL | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | LJ | Coupe | 2 Door | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | — | Coupe | 2 Door | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | Brougham | Coupe | 2 Door | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | LJ | Coupe | 2 Door | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | — | Coupe | 2 Door | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1983 | Pontiac | Grand Prix | Brougham | Coupe | 2 Door | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1980 | Chevrolet | El Camino | — | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1980 | Chevrolet | El Camino | — | — | — | — | 4.4L | V8 | — | Rear | Constant rate spring; Regular |
| 1980 | Chevrolet | El Camino | — | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1979 | Chevrolet | El Camino | — | — | — | — | 5.7L | V8 | — | Rear | Constant rate spring; Regular |
| 1979 | Chevrolet | El Camino | — | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1979 | Chevrolet | El Camino | — | — | — | — | 4.4L | V8 | — | Rear | Constant rate spring; Regular |
| 1979 | Chevrolet | El Camino | — | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1979 | Chevrolet | El Camino | — | — | — | — | 3.3L | V6 | — | Rear | Constant rate spring; Regular |
| 1978 | Chevrolet | El Camino | — | — | — | — | 5.7L | V8 | — | Rear | Constant rate spring; Regular |
| 1978 | Chevrolet | El Camino | — | — | — | — | 5.0L | V8 | — | Rear | Constant rate spring; Regular |
| 1978 | Chevrolet | El Camino | — | — | — | — | 3.8L | V6 | — | Rear | Constant rate spring; Regular |
| 1978 | Chevrolet | El Camino | — | — | — | — | 3.3L | V6 | — | Rear | Constant rate spring; Regular |
| 1971 | Buick | Skylark | Custom | — | — | — | 4.1L | L6 | — | Rear | Constant rate spring; Regular |
| 1971 | Buick | Skylark | Base | — | — | — | 4.1L | L6 | — | Rear | Constant rate spring; Regular |
| 1971 | Oldsmobile | Cutlass | S | — | — | — | 5.7L | V8 | — | Rear | Constant rate spring; incl. s & supreme; 4-4-2; Regular |
| 1970 | Buick | Skylark | Custom | — | — | — | 4.1L | L6 | — | Rear | Constant rate spring; Regular |
| 1970 | Buick | Skylark | Base | — | — | — | 4.1L | L6 | — | Rear | Constant rate spring; Regular |
| 1969 | Buick | Skylark | Base | — | — | — | 5.7L | V8 | — | Rear | Constant rate spring; Regular |
| 1969 | Buick | Skylark | Custom | Sedan | 4 Door | — | 5.7L | V8 | — | Rear | Constant rate spring; Regular |
| 1968 | Buick | Skylark | Base | — | — | — | 5.7L | V8 | — | Rear | Constant rate spring; Regular |
| 1967 | Buick | Skylark | Base | — | — | — | 6.6L | V8 | — | Rear | Constant rate spring; Regular |
| 1967 | Buick | Skylark | Base | — | — | — | 5.6L | V8 | — | Rear | Constant rate spring; Regular |
| 1967 | Buick | Skylark | Base | — | — | — | 4.9L | V8 | — | Rear | Constant rate spring; Regular |
| 1967 | Buick | Skylark | Base | Hardtop | 4 Door | — | 3.7L | V6 | — | Rear | Constant rate spring; Regular |
| No rows match your filter. | |||||||||||
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6321JCS1757T