Description
Product Overview
The General Motors Automatic Input Shaft Bearing (Part No. 23158734) is crafted from high‑grade steel to meet OEM specifications for durability and performance. Engineered for automatic transmissions, this bearing supports the input shaft, ensuring precise torque transfer and smooth gear changes. Its design incorporates sealed lubrication to minimize wear and protect against contaminants, extending service intervals.
Usage

This bearing is ideal for professional repair shops and experienced DIY enthusiasts working on GM vehicles. It fits a variety of models that share the same input shaft specifications, making it a versatile replacement during routine maintenance, transmission rebuilds, or after diagnosing bearing wear. Proper installation restores shifting accuracy and reduces transmission noise.
Why Choose Us
Choosing this General Motors bearing guarantees OEM quality, exact fit, and reliable performance. Each unit undergoes rigorous testing for dimensional accuracy and material integrity. Our supply chain ensures authentic parts, backed by a warranty that protects against manufacturing defects, giving you confidence in long‑term vehicle reliability.
Key Features
- High‑strength steel construction for maximum durability
- OEM‑approved dimensions ensure perfect fit
- Sealed design reduces maintenance and protects against debris
- Optimized for smooth torque transfer and quiet operation
- Compatible with multiple GM automatic transmission models
FAQ
What vehicles are compatible with this bearing?
The bearing fits a range of General Motors automatic transmissions that use part number 23158734. Consult your vehicle’s service manual or our compatibility chart for exact models.
Do I need special tools to install this bearing?
Installation typically requires a bearing press or a suitable puller set, along with standard transmission disassembly tools. Refer to the service guide for step‑by‑step instructions.
Is this bearing a direct replacement for the original?
Yes, it matches the original equipment specifications in size, material, and performance, providing a seamless replacement without modifications.
How long will the bearing last under normal driving conditions?
When installed correctly and maintained according to GM recommendations, the bearing can last the lifetime of the transmission, often exceeding 100,000 miles.
What warranty does this product include?
We offer a one‑year limited warranty covering manufacturing defects. Registration of the purchase is required to activate the warranty.




GM Automatic Input Shaft Bearing 22845955 Machined Ergonomic
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