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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 Left Brake Rotor
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 fitment and condition when sourcing from junkyards
Check for JDM vs USDM differences
Mid-cycle updates may affect compatibility
Context
The 1991 Nissan 300ZX equipped with the VG30DETT engine utilizes the rear left brake rotor part number 40206-30P00. When searching for replacements, consider that this brake rotor is compatible across the Z32 platform from 1990 to 1996, specifically for twin-turbo models. During installation, inspect the rotor for warping or scoring, and ensure the caliper is in good condition to avoid uneven wear. Common issues with rotors include cracking and excessive wear, particularly if the vehicle is driven hard. Always compare the new rotor to the old one for proper fitment, especially when sourcing from junkyards or aftermarket suppliers, as variations may exist. Note that while some aftermarket brands may offer compatible rotors, OEM parts are generally recommended for optimal performance.
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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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