Description
Product Overview
The GM GENUINE PARTS S1380 is a high‑quality metal roller bearing designed for differential assemblies. Engineered with precision, this bearing features a 2.1‑inch thickness and a compact 4.2 × 4.1 × 2.1 inch footprint, making it ideal for standard automotive differentials. Constructed from durable steel, it meets OE specifications and is compatible with grease lubrication, ensuring smooth operation and extended service life.
Usage
This bearing is suited for professional mechanics, automotive repair shops, and DIY enthusiasts who need a reliable replacement for differential bearings. It performs excellently in everyday driving conditions, high‑performance tuning, and heavy‑load scenarios. 
Why Choose Us
GM GENUINE PARTS is recognized for its commitment to quality and precision engineering. Each bearing undergoes rigorous testing to guarantee OE compliance and durability. Our state‑of‑the‑art manufacturing facilities ensure consistent performance, while our global support network provides confidence in every purchase.
Key Features
- Robust metal construction for superior strength and wear resistance
- Roller bearing design delivers smooth torque transfer
- OE‑approved specifications ensure perfect fit and performance
- Compatible with standard grease for easy maintenance
- Compact dimensions simplify installation in a variety of differential housings
FAQ
What vehicles are compatible with the S1380 bearing?
The S1380 bearing fits most standard automotive differentials that use a 2.1‑inch thick roller bearing. Refer to your vehicle’s service manual or contact our support team for specific model compatibility.
Can I use synthetic grease with this bearing?
Yes, the bearing is compatible with both conventional and synthetic greases. Choose a high‑quality grease that meets the vehicle manufacturer’s specifications for optimal performance.
Is this bearing a direct OEM replacement?
Absolutely. The S1380 carries the OEM part number 25824250, making it a direct replacement that meets original equipment standards.
How do I install the bearing correctly?
Ensure the differential housing is clean and free of debris. Apply a thin layer of grease to the bearing surfaces, align the bearing with the housing, and press it in evenly using a bearing press or appropriate tools.
What warranty does GM Genuine Parts offer?
All GM Genuine Parts bearings come with a limited one‑year warranty covering manufacturing defects, providing peace of mind for your purchase.




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