Zumbrota Drivetrain

Manual Transmission Bearing Kit

$436.89

SKU: ZMBK240CWS

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The USA Standard Manual Transmission Bearing Kit provides essential components for rebuilding or repairing the transmission in your 1991-1993 Nissan 300ZX with a 5-speed manual gearbox and synchronizers. This comprehensive kit is engineered with an aluminum one-piece case and bellhousing for durability and a direct fit. It includes a robust 6308-N input bearing to ensure smooth operation and longevity. Key internal components such as synchronizer rings are provided to restore optimal shifting performance. The kit specifies 2.732" I.D. on the 3rd-4th gear synchro rings and 54-tooth rings for the 1st-2nd gear, ensuring precise engagement. All necessary synchronizer rings are included to complete the transmission rebuild. This bearing kit is specifically designed for the 1991-1993 Nissan 300ZX 5-speed transmission. It is a direct replacement part intended to restore the functionality and reliability of your vehicle's drivetrain. Please verify fitment for your specific application before purchasing.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandZumbrota Drivetrain
Part NumberZMBK240CWS
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

View Full Shipping Policy