Shaft Seal - CORTECO - 01027959B
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eBayCORTECO 01027959B Shaft Seal, transfer case for ,BMW,BMW (BRILLIANCE),MERCEDES-B
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CORTECO Gearbox Output Seal for BMW 1 2 3, Mercedes 124 190 40x55x8£50.38 delivery£7.93Visit shop →
Shaft Seal Outlet 01027959B Corteco 23121222771 23121228332 23121222973 82027959Free delivery in 1–3 days£8.70Visit shop →
Manual Transmission Shaft Seal Fits BMW 1 Series Mercedes-Benz CORTECO 82027959Free delivery in 1–3 days£9.68Visit shop →
Fits CORTECO 01027959B Shaft Seal, manual ⭐UK Stock⭐Free delivery in 1–3 days£11.34Visit shop →
01027959B Manual Transmission Shaft Seal Fits BMW 1 Coupe Convertible By CortecoFree delivery in 1–3 days£11.60Visit shop →
Outlet CORTECO 01027959B Shaft Seal, transfer case for ,BMW,BMW (BRILLIANCE),MERFree delivery in 1–3 days£11.94Visit shop →
Fits CORTECO USZCZELNIACZE 01027959B SEAL RING 40X55X8Free delivery in 1–3 days£12.12Visit shop →
Fits CORTECO 01027959B Shaft Seal, manualFree delivery in 1–3 days£12.33Visit shop →
✅Fits CORTECO 01027959B Shaft Seal, manual ⭐UK Seller⭐Free delivery in 1–3 days£12.66Visit shop →
AutodocCORTECO Shaft Oil Seal MERCEDES-BENZ,BMW 01027959B 23121222771,23121222973,23121228332 23128677737,23128742716,23121222771,23121222973,23121228332
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Product Information
Full details
The CORTECO 01027959B shaft seal is a critical maintenance component designed for automotive professionals and DIY enthusiasts working on manual transmissions. It provides a robust, reliable seal to prevent fluid leakage and protect internal transmission gearboxes. While it offers superior durability and precise OEM-grade fitment, users must ensure accurate installation as it is a specialized part requiring specific compatibility with BMW and Mercedes-Benz transmission systems.
All features
| Model Part Number | 01027959B |
|---|---|
| Brand | CORTECO |
Extended Product Information
FAQs
What are the dimensions of this seal?
This seal has an inner diameter of 140 mm, an outer diameter of 155 mm, and a height of 18 mm.
Can I use this on any vehicle?
No, this part is specifically designed for BMW and Mercedes-Benz manual transmissions using the listed OEM references.
Does the swirl direction matter?
Yes, this is a left-hand twist swirl seal. It must be installed according to the original orientation to function properly.
Do I need special tools to install this?
It is highly recommended to use a seal driver tool of the appropriate diameter to ensure even pressure during installation.
Should I apply grease to the seal lip?
A light coating of clean transmission fluid on the inner lip is recommended to aid installation and ensure proper initial lubrication.
Troubleshooting
Seal is difficult to press into housing
Ensure the seal is perfectly square to the bore and lubricate the outer edge with a small amount of clean transmission fluid.
New seal continues to leak after installation
Verify that the shaft surface does not have any grooves or damage; if the metal shaft is worn, a new seal may not be able to create a proper contact patch.
Pros and Cons
Pros
- High-quality construction ensures long service life
- Precision-engineered dimensions for a guaranteed fit
- Specialized swirl design improves sealing efficiency
- Widely compatible with multiple OEM part numbers
Cons
- Installation requires specialized mechanical knowledge
- Incorrect orientation during install can lead to leaks
- Not intended for non-compatible transmission models
Setup, Compatibility & Care
Before installation, clean the sealing surface of the transmission housing thoroughly to remove any grit, old seal residue, or oxidation. Ensure that you have the correct seal driver tool corresponding to the 155 mm outer diameter to prevent deforming the metal casing during insertion.
Compatibility:
This part is compatible with OEM references including BMW 23121222771, 23121222973, 23121228332, 23128677737, 23128742716, and Mercedes-Benz 0239970147, A0239970147.
Care:
Avoid using sharp tools during removal or installation, as even microscopic scratches on the sealing lip or housing can cause future leaks.