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OEM Nissan gearbox synchronizer replacement involves installing genuine parts (e.g., 32620-6GP0A, 32604-03E15) to fix grinding or difficult shifting, often required for 3rd/4th gear issues in 350Z/370Z (CD008/CD009) or older models. Replacing synchronizers requires a full transmission teardown to replace worn brass rings and hubs, typically costing $1,500–$3,000+ for labor and parts.
Key Considerations for Nissan Synchro Replacement
- Parts Selection: Use genuine Nissan OEM parts to ensure compatibility and longevity, such as specific synchronizer assemblies for 350Z (32620-CD008) or Navara (32620-CD70A).
- Common Failure Points: The 3rd and 4th gear synchro hubs are frequent failure points in Nissan 6-speed manual transmissions, often requiring upgraded or new assembly parts.
- Rebuild Process: The repair involves splitting the transmission case, removing the gear stack, and replacing the baulk rings (brass rings) and sleeves. Proper lubrication and cleaning are crucial during reassembly.
- Alternative Solutions: For severely damaged 350Z transmissions, replacing the entire unit with a newer CD009 or 32010-RPKT upgraded unit can sometimes be more cost-effective than rebuilding.
Common OEM Part Numbers
- 32620-6GP0A: Synchronizer Assembly
- 32620-CD008: 350Z/G35/370Z/G37 3rd/4th Gear Synchro Assembly
- 32604-03E15: Baulk Ring (Altima, etc.)
- 32620-CD70A: Navara Synchronizer
To give you the most accurate advice on replacing your synchronizer, could you please provide:
- The exact year, model, and engine of your Nissan (e.g., 2006 350Z, 2010 Altima)?
- Which gear is grinding or hard to shift into?
- Are you planning to do the work yourself or take it to a shop?
I can then help with specific part numbers or expected costs.
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OEM GENUINE NISSAN INFINITI MANUAL ...
eBay
https://www.ebay.com › itm
eBay
https://www.ebay.com › itm
GENUINE OEM NISSAN INFINITI MANUAL TRANSMISSION GEAR SYNCHRO ASSY. THIS PART IS GENUINE NISSAN PART. Do not having missing parts, hardware or instructions.
$96.74
Missing: Synchronizer Replacement
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Synchronizer Assembly - Nissan (32620-6GP0A)
Nissan OEM Parts Online
https://nissan.oempartsonline.com › Categories
Nissan OEM Parts Online
https://nissan.oempartsonline.com › Categories
Synchronizer Assembly - Nissan (32620-6GP0A) ; MSRP: $402.77 ; Discount: $132.35 (32.9% off) ; Inventory. In stock ; Manufacturer Warranty Minimum of 12 Months.Read more
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Genuine Nissan Altima Synchronizer Ring
Nissan Parts Deal
https://www.nissanpartsdeal.com › Nissan Altima
Nissan Parts Deal
https://www.nissanpartsdeal.com › Nissan Altima
Shop wholesale-priced OEM Nissan Altima Synchronizer Rings at NissanPartsDeal.com. All fit 1993-2013 Nissan Altima and more.
Replacing the synchro... : r/350z
Reddit · r/350z
9 comments · 1 year ago
Reddit · r/350z
9 comments · 1 year ago
Rebuilding these transmissions is a massive job and it isn't worth the hours unless you are doing it yourself, it requires special tools and extensive ...Read more
Synchronizer Assembly - Nissan (32620-CD008)
Nissan USA
https://parts.nissanusa.com › Categories
Nissan USA
https://parts.nissanusa.com › Categories
Synchronizer Assembly - Nissan (32620-CD008). 32620cd008. Sale Price: $316.98.Read more
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Genuine Nissan OEM part Ring, Synchronizer 32603-73200, can be purchased and shipped direct from Japan to anywhere in the world.Read more
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NISSANWAREHOUSE. Genuine Nissan Synchronizer Assembly 32620-6GP0A. main image. Genuine Nissan Parts. Nissan Parts. Specifications. Brand, Nissan. Manufacturer ...Read more
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This synchro will NOT fit the original transmission until the input shaft has been replaced, so we recommend the kit linked above. 05+ Models will also require ...Read more
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