
Seller: Marketplace seller
$138
Asking
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
Left Exhaust Manifold
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 engine codes and configurations.
Confirm condition and integrity of used parts before installation.
Check local regulations regarding emissions if replacing exhaust components.
Context
The left exhaust manifold for the 2018 Ford Mustang equipped with the 5L Coyote V8 (435hp) is crucial for optimal engine performance and exhaust flow. The OEM part number for this component is FR3Z9431C, which fits models from 2015 to 2021. When sourcing a replacement, inspect for cracks or corrosion, as these can lead to exhaust leaks and decreased performance. Installation requires careful alignment with the exhaust system; ensure all gaskets are replaced to prevent leaks. Consider checking for part number FR3Z9431A as a potential alternative, though verification is recommended due to possible supersession. Overall, when visiting a junkyard, look for Mustangs from the same year range, but be mindful of possible variations in bracket configurations that may affect fitment.
No OEM numbers yet. Add one.
Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2018 | Ford | Mustang | 5L V8 Naturally Aspirated Coyote V8 (435hp) | 80% |
Available parts

Seller: Marketplace seller
$138
Asking
Contribute
The wiki gets better with every install.
Sign in to contribute