Shaft Seal - Corteco - A0109974747
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eBayShaft Seal fits MERCEDES Corteco A0109974747 A0109974947 A0109975047 A0189970447
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Product Information
Full details
This Corteco Shaft Seal (MPN: 01020045B) is designed for MERCEDES vehicles, specifically for use in automatic transmissions. Its primary benefit is to provide a reliable seal against leaks, protecting critical transmission components. A potential caveat is the need for precise installation to ensure optimal performance. Key features include its FPM construction for durability, specific dimensions (143mm inner, 158mm outer, 17mm height), and a right-hand swirl for proper function.
All features
| Model Part Number | 01020045B |
|---|---|
| Brand | Corteco |
Extended Product Information
FAQs
What does FPM material mean for this seal?
FPM stands for Fluoride Rubber, a synthetic rubber known for its excellent resistance to high temperatures, oils, fuels, and many chemicals. This makes it ideal for the demanding environment inside a vehicle's transmission.
How do I know if this seal fits my MERCEDES vehicle?
You should use the vehicle's make and model tool provided on the product page or consult your vehicle's service manual. You can also cross-reference the OEM part numbers listed in the product description with those specified for your vehicle.
What is the 'right-hand swirl' feature?
The 'right-hand swirl' refers to a pattern molded into the sealing lip that helps to actively pump lubricant back towards the sealed area and away from the direction of rotation. This is crucial for maintaining the seal's effectiveness and preventing leaks in rotating applications.
Can I use this seal in a manual transmission?
No, this specific seal is designed and optimized for automatic transmissions only. Using it in a manual transmission may result in improper sealing and potential component damage.
What are the exact dimensions of this shaft seal?
The seal has an inner diameter of 143 mm, an outer diameter of 158 mm, and a height of 17 mm.
What happens if the shaft seal fails?
A failed shaft seal can lead to transmission fluid leaks. This can cause low fluid levels, leading to overheating, poor shifting performance, and potential internal damage to the transmission, ultimately resulting in costly repairs.
Is professional installation recommended?
Yes, professional installation is highly recommended. Proper installation requires specific tools and knowledge to ensure the seal is seated correctly without damage, which is critical for its performance and longevity.
Troubleshooting
Seal appears difficult to install or does not seat properly.
Ensure the mating surface on the shaft and housing is clean and free of burrs. Verify that the correct seal is being used for the application. Do not force the seal; use a proper seal driver tool for even pressure. Check for any damage to the seal lip before attempting installation.
Transmission fluid leak detected after installation.
The seal may not be seated correctly, might be damaged, or the shaft surface could be worn. Re-inspect the installation and the shaft for imperfections. If the leak persists, the seal may need replacement, and the shaft's condition should be thoroughly checked.
Premature wear or degradation of the seal.
This could indicate excessive operating temperatures, improper fluid type, or abrasive contaminants. Ensure the transmission is operating within its designed temperature range and that only the specified fluid is used. Check for any ingress points for dirt or debris.
Pros and Cons
Pros
- High-quality FPM material offers superior durability and resistance to harsh automotive environments.
- Exact specifications ensure a proper fit on compatible MERCEDES automatic transmissions.
- Designed to prevent fluid leaks, safeguarding transmission components and maintaining performance.
- Direct replacement for various OEM part numbers, facilitating easier service and repair.
- Engineered for specific functionality within automatic transmission systems.
Cons
- Requires professional installation for guaranteed performance and to avoid damage during fitting.
- Only compatible with specific MERCEDES models and automatic transmission types; always verify fitment.
- FPM material, while durable, might have specific compatibility limitations with certain aggressive fluids not typical in standard transmissions.
Setup, Compatibility & Care
Compatibility: This shaft seal is designed for MERCEDES vehicles and is specifically intended for automatic transmissions. Before purchasing, it is crucial to use the vehicle's make and model tool or consult with a professional to confirm compatibility with your specific vehicle and transmission type. It is also compatible with HONDA OEM references 91212RBDE01, 91212RBDE02 and MERCEDES-BENZ OEM references 0139970946, A0109974747, A0109974847, A0109974947, A0109975047, A0139970946, A0189970447.
Setup: Installation requires mechanical expertise. The seal must be carefully pressed onto the shaft or into its housing, ensuring it is seated correctly and squarely. The lip of the seal should be lubricated with clean transmission fluid or appropriate assembly lubricant before installation to prevent damage during initial rotation. The right-hand swirl design means it must be oriented correctly relative to the shaft's rotation.
Care: Shaft seals are generally maintenance-free once installed. However, regular checks for any signs of fluid leakage around the seal area should be performed during routine vehicle maintenance. If a leak is detected, the seal should be replaced promptly. Avoid exposure to aggressive cleaning chemicals that could degrade the FPM material.