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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
Brake Booster
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 mounting bracket differences between Mustang and Thunderbird models.
Confirm pedal rod length to ensure proper fitment.
Context
If you're restoring a 1987 Ford Mustang with the 5L V8 engine, the brake booster is a crucial component to inspect. The OEM part number E7ZZ-2005-B is designed specifically for the Fox Body Mustang produced between 1987 and 1993. This part also fits other models like the Ford Thunderbird of the same era, but always check the pedal rod length. When scavenging in junkyards, look for the casting mark 'E7' to identify a compatible booster. Pay attention to the mounting brackets as they can differ slightly between models, which might necessitate adjustments. Common issues include vacuum leaks and diaphragm failure, which manifest as a hard brake pedal. Always ensure the replacement booster is free of rust and check the vacuum check valve for proper function.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 1987 | Ford | Mustang | 5L V8 Naturally Aspirated E7TE (225hp) | 80% |
Available parts

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