Naturally aspirated Z32 diffs still need the right select shim or the R200 howls after a bearing job. The Genuine Nissan Rear Final Drive Side Bearing Shim (part number 38453-N3110) is the 2.50 mm side-bearing adjuster used on non-turbo Fairlady Z and 300ZX final drives.
This washer sets carrier-bearing preload in the rear case. Two are typically required. Thickness is selective—use 2.50 mm only when that is the measured size, not as a stand-in for a thinner or thicker shim. It is specified for naturally aspirated VG30DE Z32 cars, USDM 1990–1996 300ZX NA and JDM Fairlady Z NA, on the common R200-style rear drive.
A mixed or reused stack changes backlash and loads the bearings the wrong way. Measure the case, then install this OEM 2.50 mm shim. At Terra Firma Automotive, we supply this genuine Nissan Z32 NA side bearing shim so Fairlady and 300ZX owners can set rear-drive preload with the factory thickness. Choose Terra Firma Automotive for authentic Nissan differential hardware built for the Z32.
- Genuine Nissan rear final drive side bearing shim
- Part Number: 38453-N3110
- Thickness: 2.50 mm
- Description: shim-adjust / washer-adjust
- Engine: VG30DE
- Common on Z32 R200-style diffs
- Quantity required: 2
- USDM 300ZX 1990–1996 NA
- JDM Fairlady Z NA
- Sets side-bearing preload
- Direct OEM replacement
- Available from Terra Firma Automotive
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