The “late” designation refers to an updated/superseding part that Nissan introduced during Z32 production. It features revised internal splines, engagement teeth profile, and slightly improved material treatment compared to the early version. This late sleeve offers better durability, reduced wear on the synchro rings, and smoother engagement, especially under repeated shifting. It is a direct replacement that fits all Z32 manual transmissions (early or late), but it is the preferred modern choice for rebuilds because of the enhancements.
Terra Firma Automotive supplies genuine Nissan transmission internals that restore factory shift quality and long-term reliability to your Z32. This late-style 1st & 2nd gear sleeve coupling is the exact OEM sliding sleeve that locks the 1st or 2nd gear to the main shaft during engagement. Precision-machined with the updated late-design tooth profile and spline geometry, it ensures positive, crisp locking while minimizing play and wear on the baulk rings and gears.
Many Z32 manuals develop sloppy or grinding shifts into 1st and 2nd as the original sleeve’s engagement teeth wear down. This authentic late-version sleeve restores tight, confident gear selection and reduces the chance of future synchro damage. Its enhanced design makes it especially valuable during a full transmission rebuild or synchro refresh.
At Terra Firma Automotive we focus on providing the correct factory-updated parts that improve reliability without sacrificing originality. Whether you’re rebuilding a high-mileage twin-turbo gearbox, refreshing the lower gears on a naturally aspirated model, or doing a complete transmission overhaul on your 1989–1996 Fairlady Z or 1990–1996 300ZX, this late 1st/2nd sleeve coupling is a key upgrade for smooth, durable shifting.
- Fits 32606+A Location
- Genuine Nissan OEM late-style 1st & 2nd gear sleeve coupling (Part Number 32606-30P1A)
- Updated design with improved engagement teeth and durability
- Direct fit for all Z32 manual transmissions (early or late)
- Restores positive, crisp shifts into 1st and 2nd gear
- Reduces wear on synchro rings and gears
- Essential during 1st/2nd synchro or full transmission rebuilds
- Sold individually
- USDM 300ZX (Z32): 1990–1996 (VG30DE & VG30DETT – NA or TT)
- JDM Fairlady Z (Z32): 1989–1996 (VG30DE & VG30DETT – NA or TT)
- Engine Compatibility: Fits all VG30DE and VG30DETT engines with manual transmission
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