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💡 This page improves over time as the community adds casting photos and confirms fitment
Rear Right Brake Flex Hose
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 compatibility with specific model configurations.
Check for potential differences in brake line routing.
Context
The 2018 Ford Mustang, equipped with the robust 5L V8 Naturally Aspirated Coyote engine, utilizes the rear right brake flex hose part number FR3Z-2B120-B. When inspecting this component, look for signs of wear, such as cracks or leaks, which can compromise brake performance. Installation of the new hose is straightforward but ensure all connections are secure and free of debris. This flex hose is interchangeable with the 2015-2023 Mustang models, making it a practical choice for repairs. Always check for compatibility with specific configurations, as there may be variations in mounting brackets. Regular maintenance and inspection of this part can prevent brake failure, ensuring the safety and performance of your Mustang on the road.
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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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