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This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Rear Left Coil Spring (Separate)
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Wiki page
5L V8 Naturally Aspirated Coyote V8 (435hp).
Quick reference
Verify fitment for specific trims as spring rates may vary
Confirm any mid-cycle updates or changes in specifications
Ensure proper alignment during installation to avoid future issues
Context
The rear left coil spring for the 2018 Ford Mustang, identified by OEM part number FR3Z-5560-A, is crucial for maintaining proper suspension geometry and ride quality. Commonly, this coil spring is compatible with 2015-2023 Mustang models equipped with the 5.0L V8, including the naturally aspirated Coyote engine. When replacing this part, inspect for signs of fatigue, such as sagging or visible cracks, which can lead to suspension issues. Installation requires proper alignment to ensure consistent handling and performance. Additionally, be aware of part number FR3Z-5560-B, which may serve as a suitable alternative but could feature different spring rates. Always verify compatibility with your specific trim before proceeding with a replacement to avoid mismatched handling characteristics.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2018 | Ford | Mustang | 5L V8 Naturally Aspirated Coyote V8 (435hp) | 80% |
Available parts

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