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Moog CC80551 Coil Spring Set - Rear
Moog Coil Spring Set for Ford Explorer and Mercury Mountaineer
The Moog CC80551 coil spring set is engineered to restore suspension performance for Ford Explorer and Mercury Mountaineer models. Designed with precision, these variable rate coil springs provide consistent ride height and improved handling characteristics.
- Variable rate coil springs with a wire diameter of 0.65 inches (16.70 mm)
- Black finish for corrosion resistance and durability
- Front and rear spring outside diameter of 5.050 inches
- Free height of 13.93 inches (354 mm) and installation height of 10.00 inches (254 mm)
- Load capacity of 1618 lbs with a spring rate of 488 lbs per inch
- End types include pigtail and tangential for proper fitment
- Compatible with Ford Explorer and Mercury Mountaineer suspension systems
Technical Specifications and Design Details
The Moog CC80551 coil spring set features a variable rate design, allowing the springs to provide a smooth ride under normal conditions while stiffening under heavier loads. Each spring has a wire diameter of 0.65 inches (16.70 mm) and a consistent outside diameter of 5.050 inches, ensuring proper fitment and performance. The free height of 13.93 inches (354 mm) and compressed installation height of 10.00 inches (254 mm) maintain correct suspension geometry. The springs are finished in black to resist corrosion and extend service life. The combination of pigtail and tangential end types ensures secure mounting within the suspension assembly.
Applications and Problem Solving
This coil spring set is designed specifically for the Ford Explorer and Mercury Mountaineer, addressing common suspension issues such as:
- Restoring sagging or worn springs to maintain proper ride height
- Improving vehicle stability and handling under load
- Reducing uneven tire wear caused by suspension imbalance
- Enhancing overall suspension responsiveness and comfort
- Replacing damaged or fatigued springs to ensure safety
Installation Notes and Tips
When installing the Moog CC80551 coil spring set, ensure the vehicle is securely lifted and supported. Verify the correct orientation of the pigtail and tangential ends for proper seating. It is recommended to replace springs in pairs to maintain balanced suspension performance. After installation, check ride height and alignment to confirm proper setup.
Quality Assurance and Warranty
Moog coil springs are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. While specific warranty details for part number CC80551 are not provided, Moog products typically come with a limited warranty against defects in materials and workmanship. Refer to Moog's official warranty policy for complete information.
| Brand | Moog |
|---|---|
| Part Number | CC80551 |
| Wire Diameter | 0.65 |
| Wire Diameter | 16.70 |
| Spring Color | Black |
| Front Spring Outside Diameter | 5.050 |
| Front Spring Relaxed Length | 13.93 |
| Front Spring Relaxed Length | 354.00 |
| Front Spring Compressed Length | 10.00 |
| Front Spring Compressed Length | 254.00 |
| Rear Spring Relaxed Length | 13.93 |
| Rear Spring Relaxed Length | 354.00 |
| Rear Spring Compressed Length | 10.00 |
| Rear Spring Compressed Length | 254.00 |
| Rear Spring Outside Diameter | 5.050 |
| Bar Diameter - Inches | 0.65 |
| Bar Diameter - MM | 16.70 |
| End Type 1 | Pigtail |
| End Type 2 | Tangential |
| Free Height - Inches | 13.93 |
| Free Height - MM | 354.00 |
| ID - Inches | 3.72 |
| ID - MM | 94.60 |
| Installation Height - Inches | 10.00 |
| Installation Height - MM | 254.00 |
| Load - lbs | 1618.00 |
| Spring Rate - lbs per inch | 488.00 |
| Spring Type | Variable rate |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2005 | Ford | Explorer | Rear | Variable Rate | |
| 2005 | Mercury | Mountaineer | Rear | Variable Rate | |
| 2004 | Ford | Explorer | Rear | Variable Rate | |
| 2004 | Mercury | Mountaineer | Rear | Variable Rate | |
| 2003 | Ford | Explorer | Eddie Bauer | Rear | Variable Rate |
| 2003 | Ford | Explorer | Limited | Rear | Variable Rate |
| 2003 | Ford | Explorer | XLT | Rear | Variable Rate |
| 2003 | Ford | Explorer | Postal | Rear | Variable Rate |
| 2003 | Ford | Explorer | XLS | Rear | Variable Rate |
| 2003 | Mercury | Mountaineer | Rear | Variable Rate | |
| 2002 | Ford | Explorer | Eddie Bauer | Rear | Variable Rate |
| 2002 | Ford | Explorer | Limited | Rear | Variable Rate |
| 2002 | Ford | Explorer | XLT | Rear | Variable Rate |
| 2002 | Ford | Explorer | Postal | Rear | Variable Rate |
| 2002 | Ford | Explorer | XLS | Rear | Variable Rate |
| 2002 | Mercury | Mountaineer | Rear | Variable Rate |
* 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.