OE Quality
60-Day Returns

Genuine 99639701500 Automatic Transmission Output Shaft Seal
Reliable Automatic Transmission Output Shaft Seal for Porsche Models
The Genuine 99639701500 automatic transmission output shaft seal is designed specifically for Porsche vehicles, including the 911, Boxster, and Cayman models. This seal ensures proper transmission fluid retention and prevents leaks, maintaining optimal transmission performance.
- Compatible with Porsche 911, Boxster, and Cayman models
- Genuine part number 99639701500 for precise fitment
- Designed for automatic transmission output shaft sealing
- Durable construction to withstand transmission operating conditions
- Helps maintain transmission fluid integrity and prevent leaks
Product Details and Compatibility
This automatic transmission output shaft seal from Genuine is engineered to meet the exact specifications required by Porsche for the 911, Boxster, and Cayman models. The part number 99639701500 corresponds to a high-quality seal that fits the output shaft of the automatic transmission, providing a tight barrier against fluid leaks. Proper sealing is critical to maintaining transmission efficiency and preventing contamination or fluid loss that can lead to transmission damage.
Common Applications and Issues Addressed
- Prevents transmission fluid leaks from the output shaft area
- Reduces risk of transmission overheating due to fluid loss
- Helps avoid premature transmission wear caused by contamination
- Maintains proper hydraulic pressure within the transmission system
- Ensures smooth operation of the automatic transmission in Porsche 911, Boxster, and Cayman
Installation Notes and Tips
When installing the Genuine 99639701500 output shaft seal, ensure the transmission output shaft and surrounding surfaces are clean and free of debris. Proper lubrication of the seal lips before installation can help prevent damage during assembly. It is recommended to use appropriate tools to avoid distortion or damage to the seal. Verify correct alignment and seating to ensure an effective seal and prevent leaks.
Quality Assurance and Warranty
As a Genuine Porsche part, the 99639701500 automatic transmission output shaft seal meets OEM standards for fit, form, and function. This part is manufactured to strict quality controls to ensure durability and reliable performance. Warranty coverage is subject to the terms provided by the manufacturer, typically covering defects in material and workmanship.
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 2008 | Porsche | Cayman | N/A | Bearing Flange Side; For Long Shaft |
| 2007 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 2007 | Porsche | Cayman | N/A | Bearing Flange Side; For Long Shaft |
| 2006 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 2006 | Porsche | Cayman | N/A | Bearing Flange Side; For Long Shaft |
| 2005 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 2004 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 2003 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 2002 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 2001 | Porsche | 911 | N/A | Bearing Flange Side; For Long Shaft |
| 2001 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 2000 | Porsche | 911 | N/A | Bearing Flange Side; For Long Shaft |
| 2000 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 1999 | Porsche | 911 | N/A | Bearing Flange Side; For Long Shaft |
| 1999 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 1998 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
| 1997 | Porsche | Boxster | N/A | Bearing Flange Side; For Long Shaft |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.