Terra Firma Automotive supplies genuine Nissan selective-fit transmission snap rings that ensure correct bearing preload and shaft alignment in your Z32 manual gearbox. This 1.99 mm main drive snap ring is the exact OEM retaining ring that locks the input shaft pilot bearing securely in the transmission case. Nissan offers multiple thicknesses (including 1.95 mm, 1.99 mm, etc.) for precise end-play adjustment during assembly.
Correct snap ring thickness is critical — too thin or too thick can cause input shaft movement, bearing noise, or premature wear. This 1.99 mm version restores the factory-specified clearance and preload for smooth, quiet operation and long bearing life under the demands of both NA and TT engines.
At Terra Firma Automotive, we provide these precise, thickness-specific OEM components needed for professional-level transmission work. Whether you are rebuilding the gearbox, replacing the input shaft bearing, or performing a full clutch service on your 1989–1996 Fairlady Z or 1990–1996 300ZX, this snap ring helps achieve the exact tolerances Nissan engineered.
- Fits 32204+C & 32204+B Location
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