Terra Firma Automotive supplies genuine Nissan differential components engineered to handle the unique demands of the twin-turbo Z32. This rear differential front pinion bearing is the exact OEM unit that supports the front of the pinion gear inside the R200 limited-slip differential. Manufactured to Nissan’s rigorous specifications with precision tolerances, high-load capacity, and proper preload characteristics, it maintains critical gear alignment and smooth rotation under the high torque and horsepower output of the VG30DETT engine.
Twin-turbo Z32 owners know that differential bearings are subjected to extreme stress from boost, aggressive launches, and high-speed driving. When the original front pinion bearing wears, it often produces whining, humming, or vibration that increases with speed. This authentic replacement restores quiet, smooth operation and proper pinion preload, preventing accelerated wear on the ring and pinion gears while preserving the differential’s performance and longevity.
At Terra Firma Automotive, we are the trusted premium source for hard-to-find OEM drivetrain parts that serious enthusiasts and restorers depend on. Whether you are rebuilding the differential on your high-horsepower twin-turbo, addressing bearing noise during a driveline refresh, or completing a comprehensive rear-end restoration on your 1989–1996 Fairlady Z or 1990–1996 300ZX, this front pinion bearing upholds the exceptional engineering and durability that define these legendary Nissan sports cars.
- Fits 38140 Location
- Genuine Nissan OEM rear differential front pinion bearing (Part Number 38140-40P00)
- Specifically designed for VG30DETT Twin Turbo models
- Precision high-load bearing for proper pinion support and preload
- Direct replacement for R200 limited-slip differential
- Essential during differential rebuilds or bearing service
- Helps eliminate whine, vibration, and gear wear
- Critical for maintaining smooth power delivery under boost
- USDM 300ZX (Z32): 1990–1996 (VG30DETT – Twin Turbo only)
- JDM Fairlady Z (Z32): 1989–1996 (VG30DETT – Twin Turbo only)
- Engine Compatibility: Fits VG30DETT engines (Twin-Turbo only)
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