100% OEM Authentic Nissan Parts
Eliminate transmission grind and restore buttery-smooth shifts with this Genuine Nissan OEM 3rd Gear Assembly. Specifically designed for the early-model (2003–2005) Nissan 350Z 6-speed manual transmissions (FS6R31A), this brand-new factory gear replaces worn, chipped, or damaged internal components.
Early 350Z manual transmissions are notorious for premature synchronizer wear and gear engagement issues. Rebuilding your transmission with genuine Nissan components ensures exact tolerances, correct hardening, and precise tooth mesh, saving your transmission case from catastrophic internal failure.
Why Choose Genuine Nissan OEM?
Perfect Tooth Mesh & Fitment: Engineered exactly to factory specifications to minimize gearbox whine and guarantee flawless power transfer.
High-Tensile Steel Construction: Manufactured to endure aggressive high-RPM shifts and track abuse.
Restore Driving Comfort: Helps eliminate the dreaded 3rd-gear grind common to early Z33 chassis manual gearboxes.
### Vehicle Compatibility
Chassis: Nissan 350Z (Z33) Pre-Facelift Models
Production Years: 2003, 2004, 2005
Transmission Type: 6-Speed Manual (FS6R31A)
💡 Transmission Builder's Tip: When opening up your early 350Z gearbox to replace 3rd gear, it is highly recommended to inspect and replace your synchros, seals, and bearing kit at the same time to guarantee a complete, long-lasting rebuild.
Eliminate transmission grind and restore buttery-smooth shifts with this Genuine Nissan OEM 3rd Gear Assembly. Specifically designed for the early-model (2003–2005) Nissan 350Z 6-speed manual transmissions (FS6R31A), this brand-new factory gear replaces worn, chipped, or damaged internal components.
Early 350Z manual transmissions are notorious for premature synchronizer wear and gear engagement issues. Rebuilding your transmission with genuine Nissan components ensures exact tolerances, correct hardening, and precise tooth mesh, saving your transmission case from catastrophic internal failure.
Why Choose Genuine Nissan OEM?
Perfect Tooth Mesh & Fitment: Engineered exactly to factory specifications to minimize gearbox whine and guarantee flawless power transfer.
High-Tensile Steel Construction: Manufactured to endure aggressive high-RPM shifts and track abuse.
Restore Driving Comfort: Helps eliminate the dreaded 3rd-gear grind common to early Z33 chassis manual gearboxes.
### Vehicle Compatibility
Chassis: Nissan 350Z (Z33) Pre-Facelift Models
Production Years: 2003, 2004, 2005
Transmission Type: 6-Speed Manual (FS6R31A)
💡 Transmission Builder's Tip: When opening up your early 350Z gearbox to replace 3rd gear, it is highly recommended to inspect and replace your synchros, seals, and bearing kit at the same time to guarantee a complete, long-lasting rebuild.
Frequently Asked Questions
Find answers to common questions about our products and services
Once your order ships, you'll receive a confirmation email with your tracking number and a link to track your shipment in real time. You can also track your order anytime by visiting the Order Status page using the link in your confirmation email. If you haven't received tracking info within 2–3 business days of your order, please contact us at Nizmopartsplug@gmail.com and we'll look into it right away.
We accept returns within 30 days of delivery on unused, uninstalled items in original packaging. A 20% restocking fee applies to eligible returns. Certain items are non-returnable, including electronic parts, special orders, and installed parts. Defective or incorrect items must be reported within 7 days. For full details, please review our Return Policy page before purchasing.
Yes — all parts sold on NizmoPartsPlug are brand new unless explicitly stated otherwise in the product listing. We source genuine OEM Nissan components and authentic aftermarket parts directly from trusted suppliers. If a part is used, refurbished, or a core charge item, it will be clearly noted in the product title and description.
Absolutely — if you don't see the part you need listed on our site, reach out to us at Nizmopartsplug@gmail.com or call us at (908) 265-4568 with the part number and we'll do our best to source it for you. We specialize in OEM Nissan and JDM components and have access to an extensive supplier network. Please note that special order parts may require a deposit and are non-returnable once ordered.
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Customer Reviews
See what people are saying
Item as described. super fast shipping. I highly recommend this item so that shifter gap no longer exists.
Always come in clutch! NPP for your Nissan and Nismo Parts
Hallo hier ist Nick aus Deutschland,
danke für den super schnellen Versand und den klasse Service.
Kann man nur weiterempfehlen.
Lg Nick
Thank you so much. For a girl like me not actually knowing wtf it’s amazing to have someone to have my back when getting parts so I seriously appreciate this avenue of obtaining parts for the car. It’s like you know unlike others when you go to a random store. #skylinelifestyle lol
Dylan worked with my mechanic to help me get a brand new transmission for my car and it needed a lot of extras and he helped my mechanic find what they needed to get the job done. It was awesome. Anytime I need to get a part I just ask him and he’s super helpful. I trust that I’m getting the right part for me car. Thanks a ton.
Dylan and his team are amazing! Always answer all my annoying questions in a fast and accurate manner. Part quality is amazing and shipping happened faster than expected. Will always shop here first!!
The dedication and commitment that NPP provides to customer service is truly unparalleled. Every interaction reflects a genuine willingness to help, and it’s clear that NPP is both highly knowledgeable and passionate about what he does.
I’ve purchased various Nissan parts from NPP, and each one has been of top-notch quality — exactly as described and perfectly suited to my vehicle. The attention to detail, reliability, and professionalism make NPP my go-to source for all things Nissan.
Highly recommended for anyone looking for quality parts and outstanding service!
Dylan is very knowledgeable on all Nissan parts and will take the time to explain and help customers get the right products. Quick response to questions and extremely fast shipping and processing times. The best to go to for all nissan and nismo parts!
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JDM to US License plate adapter bracket
A simple solution for mounting US plates on a JDM car. Don't drill holes in your license plate or your bumper! This simple plate bolts into the JDM plate frame and allows you to attach your US plate. It even comes with some nice stainless hardware and fancy washers!
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