Zumbrota Drivetrain

ZF 6-Speed 39-Tooth Countershaft Gear

$224.89

SKU: ZMZFS6-9

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

Description

The Zumbrota Drivetrain ZMZFS6-9 is a 4th countershaft gear designed for ZF 6-speed manual transmissions. Manufactured by USA Standard Gear, this component features 39 teeth and serves as a direct replacement for the original equipment. This gear is an integral part of the internal workings of the transmission, specifically the countershaft assembly. Its precise tooth count (39) is critical for achieving the correct gear ratios and performance characteristics of the 6-speed ZF manual transmission. The USA Standard Gear ZMZFS6-9 ensures reliable operation and durability for the drivetrain. With 207 units currently in stock, this part is available for immediate dispatch, with shipping options including free delivery on orders over $199. Zumbrota Drivetrain also offers expedited shipping at checkout. Customers can expect 1-2 day delivery for most locations. For assistance with fitment or to select the correct parts for your build project, Zumbrota Drivetrain provides access to technical support via phone at 1-800-658-2537 or live chat with an expert.

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

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Specifications

BrandZumbrota Drivetrain
Part NumberZMZFS6-9
CategoryDrivetrain

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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.

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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.

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