Nissan Fairlady/300ZX Z32 Rear Final Drive Side Bearing Shim 2.05mm (Twin Turbo)

Precise differential setup is critical for durability and performance in the Nissan Fairlady Z32 / 300ZX Twin Turbo. The Genuine Nissan Rear Final Drive Side Bearing Shim measuring 2.05 mm (part number 38453-40P01) is the correct OEM selective-fit shim used to establish proper side bearing preload and gear mesh in the rear final drive assembly. This factory-specified thickness helps maintain the exact clearances required for reliable operation under the higher torque loads of the twin-turbo VG30DETT engine.

During differential rebuilds or repairs, original shims can become damaged, lost, or no longer provide the correct preload after bearing replacement. Using the genuine 2.05 mm Nissan shim restores the factory-specified stack and ensures the side bearings are correctly loaded. Incorrect shim thickness can lead to excessive play, premature bearing wear, or improper gear contact, making the correct OEM size essential for a proper rebuild.

At Terra Firma Automotive, we supply this genuine Nissan Rear Final Drive Side Bearing Shim as the trusted OEM solution for Fairlady Z32 and 300ZX Twin Turbo owners. As a brand-new original Nissan component, it delivers the exact thickness and quality required for accurate differential assembly. Whether performing a full final drive rebuild, replacing bearings, or addressing noise and wear issues, this 2.05 mm shim helps achieve the precise setup Nissan engineered for the twin-turbo Z32 platform.

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