USA Standard Gear

Transfer Case Bearing and Seal Overhaul Kit for Dana Spicer Model 21

$157.79

SKU: ZTBK21

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

Description

The USA Standard Gear ZTBK21 is a comprehensive bearing and seal overhaul kit designed to facilitate the rebuilding of the Dana Spicer Model 21 transfer case. This kit contains all essential components, including bearings, seals, and gaskets, to ensure a smooth and efficient rebuild process. It is designed for the 1966-1976 Ford F-100 models equipped with the Dana 21 transfer case. USA Standard Gear emphasizes quality in their drivetrain components, and this kit is made in the USA. When considering this kit, it is important to verify fitment for your specific vehicle. While it is listed for the 1966-1976 Ford F-100, the Dana 21, cast iron case, single speed, part-time configuration must be confirmed.

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

BrandUSA Standard Gear
Part NumberZTBK21
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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