Porsche Rear Intermediate Shaft Bearing – 911/Boxster/Cayman (1965–2009) 996-101-137-80-OEM | OEM Engine Bearing

Enhance the reliability and precision of your Porsche engine with the Porsche Rear Intermediate Shaft Bearing (996-101-137-80). This OEM-quality bearing is a critical component that supports the intermediate shaft, ensuring proper camshaft synchronization and minimizing internal friction.

Designed for Porsche 911, Boxster, and Cayman models from 1965 to 2009, this bearing maintains consistent engine timing and smooth operation. Manufactured with advanced materials and precision machining, it provides long-lasting durability under the demanding conditions of high-performance driving. Perfect for rebuilds, IMS upgrades, or preventive maintenance, this bearing restores confidence and extends the life of your Porsche engine.

Key Features

• OEM Porsche Engineering – Manufactured to exact factory specifications for perfect fitment and long-term reliability

• Precision-Machined Design – Ensures smooth intermediate shaft rotation and accurate camshaft synchronization

• High-Strength Bearing Alloy – Provides exceptional resistance to wear, friction, and heat under continuous load

• Reduces Engine Friction – Maintains efficient internal operation for improved performance and longevity

• Compatible with Porsche 911, Boxster, and Cayman (1965–2009) – Fits a wide range of air- and water-cooled engines

• Ideal for Rebuilds and Preventive Maintenance – Recommended during timing system service or IMS upgrades

• Engine Longevity Protection – Prevents premature wear and potential failure in the intermediate shaft assembly

Frequently Asked Questions (FAQ)

1. What does the Porsche Rear Intermediate Shaft Bearing do?
It supports the intermediate shaft inside the engine, maintaining proper timing between the crankshaft and camshafts for smooth performance and reduced wear.

2. Which Porsche models use this part?
This OEM bearing fits a wide range of Porsche models, including the 911, Boxster, and Cayman produced from 1965 through 2009.

3. Why is the IMS bearing important?
It plays a vital role in engine longevity by stabilizing the intermediate shaft, which directly influences camshaft timing and oil flow.

4. What are the symptoms of a failing IMS bearing?
Warning signs include engine noise, metal debris in the oil, or rough running due to timing irregularities. Immediate replacement is essential to prevent engine damage.

5. Is this an OEM-quality part?
Yes, the 996-101-137-80 bearing meets Porsche’s OEM quality standards, ensuring precise fitment, strength, and long-term reliability.