Description
Comparison points and tradeoffs
When comparing USA Standard Gear (ZBKD30-JK) Bearing Kit for Jeep JK Dana 30 Front Differential with other Bearings options, use this source-backed detail as the primary discriminator: Fit type: Vehicle Specific.
Use this second fact to evaluate the tradeoff: Product identity: USA Standard Gear (ZBKD30-JK) Bearing Kit for Jeep JK Dana 30 Front Differential. A third point to compare across alternatives is: USA Standard bearing kits let you finish your install with confidence.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
USA Standard bearing kits let you finish your install with confidence.
Source product highlights
- This kit uses Koyo bearings and races along with all high quality small parts
- Kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if applicable), oil baffles and slingers (if applicable), marking compound and brush
- USA Standard Gear does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your ring and pinion set
- Fit type: Vehicle Specific

Mark Gibson –
Perfect fit and price
David J. –
This does come with axle seals but does not come with shims so if you need the shims as well expect to pay more or look for a different kit.
Paul Earp Jr –
The description is misleading. The ad states country of origin is the USA. The bearings are made in Japan. I guess that is better than China.
Mike Whitmire –
Parts worked great
Ed –
👍