Differential Side and Pinion Gear - GM (12479321)
Genuine OEM GM Parts & Accessories - 12479321
Differential Side and Pinion Gear - GM (12479321)
Genuine OEM GM Parts & Accessories - 12479321
- GM
- 12479321
- 12470385, 12470388, 12479150, 85106134
Details
- Brand:
- SKU:
12479321
- Other Names:
Gear Kit
- Description: GM Genuine Parts Differential Side and Pinion Gear (Part Number: 12479321) is a gear kit intended for front (FRT) Differential (DIFF) side and pinion assemblies.Trust World Parts Direct—an American company offering competitive pricing, a compatibility guarantee, expert technical support, and OEM-backed warranty coverage.
- Type: Gear kit for differential side and pinion
- Function: Replaces worn side gears and pinion to restore proper differential torque transfer and driveline operation
- Design: Engineered to meet GM factory standards for fit and function
- Also known as: Gear Kit
- Condition: New
- Notes: Includes Side Gear.
- Applications: 4WD
- Replaces:
12470385, 12470388, 12479150, 85106134
Fast Delivery
Most in-stock items ship within 1–3 business days. Special orders may take longer.
OEM Parts. Wholesale Prices.
Genuine OEM parts with a nationwide warranty. Lowest pricing guaranteed.
Shop With Confidence
Secure checkout, verified fitment, and dealer-backed support from real parts experts.
- GM
- 12479321
- 12470385, 12470388, 12479150, 85106134
Details
- Brand:
- SKU:
12479321
- Other Names:
Gear Kit
- Description: GM Genuine Parts Differential Side and Pinion Gear (Part Number: 12479321) is a gear kit intended for front (FRT) Differential (DIFF) side and pinion assemblies.Trust World Parts Direct—an American company offering competitive pricing, a compatibility guarantee, expert technical support, and OEM-backed warranty coverage.
- Type: Gear kit for differential side and pinion
- Function: Replaces worn side gears and pinion to restore proper differential torque transfer and driveline operation
- Design: Engineered to meet GM factory standards for fit and function
- Also known as: Gear Kit
- Condition: New
- Notes: Includes Side Gear.
- Applications: 4WD
- Replaces:
12470385, 12470388, 12479150, 85106134
Also Purchased
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
WorldPartsDirect.com
Thanks for shopping with World Parts Direct, home of the low-price and right-part-guarantee! Everything we carry is genuine, OEM and ships straight from a licensed dealership. All of our products are backed by a nationwide warranty and can be returned within 30 days if you no longer need it. What's the catch? There isn't one! Nobody beats our prices and nobody offers higher quality parts than we do, and if we cannot get the part you need, nobody can! We offer hundreds of thousands of unique items, including discontinued parts. Your satisfaction is our top priority and we hope you'll give us the opportunity to earn your business today.
GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Differential Side and Pinion Gear for your 1996-2017 vehicle. GM Parts & Accessories Limited Warranty.
