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Steering Rack Assembly
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 mounting bracket differences between V8 and other engine variants
Check for mid-cycle component updates that might affect compatibility
Context
For the 2018 Ford Mustang equipped with the 5.0L Coyote V8 engine, the steering rack assembly is a crucial component in ensuring precise handling and control. The OEM part number JR3Z-3504-A is designed to fit the S550 platform, covering model years 2015 through 2018. When sourcing this part from a junkyard, check for casting number DB5C-3K514-AB on the housing to confirm authenticity. During installation, inspect the mounting brackets for wear or differences, especially if sourced from an EcoBoost or V6 variant. Common failure points include power assist issues and leaks, so ensure all seals and electronic connections are intact. Utilizing the correct part numbers ensures optimal compatibility and performance in maintaining your Mustang's responsive steering 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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