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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
Rear Subframe/Cradle
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 differences in JDM vs USDM models.
Mid-cycle changes may affect interchangeability.
Always check for rear subframe reinforcement in turbo models.
Context
The rear subframe for the 1991 Nissan 300ZX, part number 550A1-30P00, is critical for maintaining vehicle stability and suspension geometry. When sourcing this part, look for compatible models from 1989 to 1996, specifically focusing on both the Twin Turbo and Naturally Aspirated variants. Common inspection points include checking for rust or damage, particularly in the mounting areas, as these can lead to performance issues. Installation typically requires the removal of suspension components, so ensure all bolts are replaced with OEM specifications. A common failure point is the subframe's mounting bushings, which can degrade over time. Always verify with part number 550A1-30P01 for additional compatibility in case of variations across production runs.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 1991 | Nissan | 300ZX | 3L V6 Twin Turbo VG30DETT (300hp) | 80% |
Available parts

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Seller: Marketplace seller
$321
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Seller: Marketplace seller
$321
Asking