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Autodoc£5.19Visit shop ELRING Gaskets MERCEDES-BENZ 745.720 0229979947,A0229979947 Shaft Seal, differential
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This Elring 745.720 Shaft Seal is designed for specific Mercedes-Benz models, offering OE-quality replacement for a reliable differential seal. It ensures proper sealing to prevent fluid leaks and protect the differential from contaminants. A key caveat is the critical need to verify exact fitment and measurements against your vehicle's specifications, as variations exist.
| Model Part Number | 745.720-BE004 |
|---|---|
| Brand | Elring |
A differential shaft seal prevents the lubricating fluid (gear oil) inside the differential from leaking out and stops external contaminants like dirt and water from entering the differential housing.
Common signs include visible fluid leaks around the differential, a low differential fluid level, or a burning smell if the fluid level is very low, causing overheating.
No, compatibility is specific. You must check the exact model, year, engine type, and importantly, the measurements and dimensions against the product details and your vehicle's specifications.
Installation typically requires specialized tools and mechanical expertise. It is strongly recommended to have this part installed by a qualified professional mechanic.
Elring is known for manufacturing parts to OE-quality standards, meaning this seal is designed to meet or exceed the original part's performance and fitment specifications.
Yes, shaft seals come in various sizes and specifications depending on the vehicle make, model, and the specific location on the differential. Always verify measurements.
Re-verify that the correct seal part number was used for the vehicle. Ensure the mating surface on the differential housing was perfectly clean and free of damage. Confirm the seal was installed straight and without damage to the lip.
Ensure you are using the correct installation tool for the specific seal and vehicle. Do not force the seal; if resistance is met, check for obstructions or misalignment. Consult a service manual for the proper procedure.
This is unlikely to be caused by the seal itself unless the differential fluid level was critically low prior to replacement, leading to existing internal damage. Check the differential fluid level and condition. If noise persists, consult a mechanic regarding potential internal differential issues.
Compatibility Verification: Before purchasing, it is *crucial* to meticulously check your vehicle's make, model, year, and specific engine variant against the provided compatibility list. Pay close attention to any notes regarding measurements and dimensions, as variations can exist even within the same model line.
Installation: Installation of a differential shaft seal is typically a complex procedure that should be performed by a qualified mechanic. It often involves disassembling parts of the drivetrain, carefully removing the old seal without damaging the sealing surface, cleaning the area, and pressing the new seal into place with the correct tools and alignment. Refer to your vehicle's specific service manual for detailed installation instructions.
Care: Once installed, shaft seals require no special care. Their longevity depends on proper installation and the absence of excessive heat, pressure, or abrasive contaminants within the differential housing. Regular vehicle inspections for any signs of fluid leaks are recommended.
