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⚙️ Upgrade your GM drivetrain with precision power and rock-solid durability!
The Motive Gear GM10-342A Differential Ring & Pinion Set features a 3.42 gear ratio engineered for optimized torque transfer and smooth operation. Made from heat-treated 8620 steel, it delivers exceptional durability and wear resistance under heavy loads. Designed as a direct OE replacement for GM 8.5"/8.625" 10-bolt differentials, it fits a broad range of Chevrolet, GMC, Cadillac, Buick, Pontiac, and Oldsmobile models spanning 1970-2020. This set ensures easy installation, reliable performance, and is backed by a 1-year/50,000-mile warranty, making it the trusted choice for professionals and enthusiasts aiming to elevate their vehicle’s drivetrain.






















| ASIN | B000S6BW4E |
| Best Sellers Rank | #641,981 in Automotive ( See Top 100 in Automotive ) #101 in Automotive Replacement Differential Rings & Pinions |
| Brand | Motive Gear |
| Customer Reviews | 4.4 4.4 out of 5 stars (42) |
| Date First Available | June 19, 2007 |
| Exterior | Machined |
| Item Weight | 17.7 pounds |
| Item model number | GM10-342A |
| Manufacturer | Motive Gear |
| Manufacturer Part Number | GM10-342A |
| Model | Motive Gear GM10-342A Differential Ring and Pinion |
| OEM Part Number | GM10-342A |
| Product Dimensions | 15.5 x 11 x 5.25 inches |
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