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USA Standard Gear Spider Gear Kit, GM 12-Bolt Car and Truck
USA Standard Gear part ZIKGM12-S-30 is a spider gear kit for the GM 12-bolt differential used in cars and trucks. USA Standard Gear spider gear kits feature high-quality materials and superior manufacturing techniques to produce a longer-lasting spider gear set at a great price, delivering everything needed for a complete and proper spider gear set replacement.
Key Features
- Complete spider gear replacement kit
- High-quality materials and manufacturing
- Designed for GM 12-bolt car and truck differentials
- Competitively priced without sacrificing durability
Fitment
Fits GM 12-bolt differentials used in both car and truck applications with 30-spline axles. Confirm your exact differential and spline count before ordering.
Specifications
| Detail | Value |
|---|---|
| Manufacturer part number | ZIKGM12-S-30 |
| Application | GM 12-bolt car and truck |
| Spline count | 30 |
| Type | Standard spider gear kit |
What's Included
- Spider gear set and related small parts
About USA Standard Gear
USA Standard Gear manufactures differential, driveshaft, and drivetrain components engineered for durable, precise-fit replacement and upgrade applications.
FAQ
What differential does this kit fit?This kit fits the GM 12-bolt differential in both car and truck applications with 30-spline axles.
What is included in this kit?This kit includes the spider gear set and related small parts for a complete rebuild.
Is this kit for an open or limited-slip differential?Confirm your differential type (open or limited-slip) before ordering, as spider gear kits are application specific.
Is professional installation recommended?Yes, spider gear replacement requires carrier disassembly and should be performed by a qualified technician.
Why replace spider gears?Worn spider gears can cause differential noise, play, or failure; replacing them restores proper operation.
Does this kit include carrier bearings?No, this kit focuses on the spider gear set; bearings should be ordered separately if needed.
Does this fit both car and truck 12-bolt differentials?Yes, this kit is designed for GM 12-bolt differentials in both car and truck applications.
Do I need to confirm fitment before ordering?Yes. Confirm your exact differential and spline count before ordering.
Installation Instructions
- Remove the differential cover and carrier assembly.
- Disassemble the carrier and remove the worn spider gears.
- Install the new spider gear set from this kit.
- Reassemble the carrier and torque all fasteners to specification.
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