The Genuine ACDelco S1290 Differential Drive Pinion Gear Bearing is an OEM replacement bearing engineered by General Motors to support the differential drive pinion gear and ensure smooth, reliable rotation within the axle housing. Manufactured to original GM specifications, this bearing helps maintain proper gear alignment, reduce friction, and support dependable drivetrain performance in compatible GM vehicles.
Constructed from high-quality bearing steel with precision-machined rolling elements, the S1290 is designed to withstand the heavy loads and demanding operating conditions found in automotive differential assemblies. Its OEM design provides accurate fitment and long service life, making it an excellent choice for differential repairs or rebuilds.
Ideal for replacing a worn or damaged pinion bearing, the ACDelco S1290 restores smooth differential operation while helping reduce noise, vibration, and premature drivetrain wear. As a genuine GM component, it delivers the quality, durability, and performance expected from original equipment parts.
Key Features
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OEM Fit & Function: Provides accurate fitment and dependable operation.
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Long Service Life: Engineered for lasting durability and consistent performance.
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Precision Bearing Design: Reduces friction for reliable drivetrain performance.
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Heavy-Duty Construction: Built to withstand high loads and demanding operating conditions.
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Ideal for Differential Rebuilds: Suitable for repair or replacement of worn bearings.
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Genuine ACDelco GM OEM Part: Manufactured to original General Motors specifications.
- Pinion Gear Support: Helps maintain proper alignment and smooth rotation of the differential pinion gear.
Specifications
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Part Number: S1290
- Brand: ACDelco / General Motors
- Material: Precision Bearing Steel
- Fitment Type: Direct OEM Replacement
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Application: Differential / Axle Assembly
- Product Type: Differential Drive Pinion Gear Bearing