SPL Parts solid differential mounting bushings (SDBS) for the 2009+ Nissan 370Z and Z, plus 2007-2013 Infiniti G35/G37. They replace the soft stock silicone-filled bushings, notorious for tearing under hard driving, to hold the differential solidly to the subframe. This cuts diff "bounce" under launches, reduces wheel hop, protects the driveshaft and half shafts, and improves power transfer. CNC machined from 6061-T6 billet aluminum; bushing driver tool included. Made in the USA.
Specifications
| Type | Solid differential mount bushings (kit) |
| Material | 6061-T6 billet aluminum |
| Benefit | No diff bounce; less wheel hop |
| Included | Front + subframe bushings, driver tool |
| Position | Rear (differential) |
| Part Number | SPL SDBS Z34 |
| Origin | Made in the USA |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007-2008 | INFINITI | G35 | Base |
| 2007-2008 | INFINITI | G35 | Journey |
| 2007-2008 | INFINITI | G35 | Sport |
| 2007-2008 | INFINITI | G35 | X |
| 2009-2013 | INFINITI | G37 | Base |
| 2011-2013 | INFINITI | G37 | IPL |
| 2009-2013 | INFINITI | G37 | Journey |
| 2009-2013 | INFINITI | G37 | Sport |
| 2009-2013 | INFINITI | G37 | X |
| 2015 | INFINITI | Q40 | Base |
| 2010 | Nissan | 370Z | 40th Anniversary Edition |
| 2009-2020 | Nissan | 370Z | Base |
| 2018-2019 | Nissan | 370Z | Heritage Edition |
| 2009-2017, 2019-2020 | Nissan | 370Z | Nismo |
| 2015-2018 | Nissan | 370Z | Nismo Tech |
| 2015-2020 | Nissan | 370Z | Sport |
| 2015-2018 | Nissan | 370Z | Sport Tech |
| 2019-2020 | Nissan | 370Z | Sport Touring |
| 2009-2019 | Nissan | 370Z | Touring |
| 2015-2018 | Nissan | 370Z | Touring Sport |
| 2024-2025 | Nissan | Z | Nismo |
| 2023-2025 | Nissan | Z | Performance |
| 2023 | Nissan | Z | Proto Spec |
| 2023-2025 | Nissan | Z | Sport |
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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