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Thermostat Housing
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
Quick reference
Verify compatibility for different engine configurations; check for mid-cycle updates between model years
Context
For the 2018 Ford Mustang equipped with the 5.0L Coyote V8 engine, the thermostat housing part number FR3Z-8592-A is critical for optimal engine performance. When replacing this component, it's essential to inspect the gasket and sealing surfaces for wear, as leaks can cause overheating. Interchangeable with Mustang models from 2015 to 2020, this part may also fit some F-150 variants with the same engine configuration. During installation, clean the surfaces thoroughly and use the recommended torque specifications to avoid future failures. Common issues with thermostat housings include cracking due to heat cycles, so regular inspections are advised to prevent engine overheating.
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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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