Products Description
Engine oil filter housing seal kit is a sealing component used in the oil filter housing of an automobile engine. Its main function is to ensure the sealing between the oil filter housing and the engine body to prevent the oil from leaking or entering the external environment of the housing.

Functions
Prevent leaks: The seal kit prevents oil from leaking from the interface by forming a tight seal between the oil filter housing and other components.
Protect the engine: Good sealing performance can ensure that the oil always remains clean during the circulation process and prevent impurities from entering the engine.
Maintain oil pressure: Ensuring stable oil pressure inside the engine helps the lubrication system work properly.
Improve reliability: Good sealing performance can extend the service life of the engine and oil filter.
Composition
Engine oil filter housing seal kit usually includes the following parts:
- Sealing ring: used to connect the interface between the oil filter housing and the engine to prevent oil leakage from the gap.
- O-ring: installed at the bottom of the filter housing or other key positions to provide additional sealing effect.
- Other sealing components: used for specific interfaces or connection points to ensure the integrity of the seal.
Materials and Applications
HNBR is a hydrogenated NBR with better performance.
- Oil resistance: HNBR has excellent resistance to mineral oil, vegetable oil, and fatty oil, suitable for seals in automotive and industrial applications.
- High-temperature resistance: Able to maintain performance at higher temperatures, usually suitable for working environments from -30°C to +150°C.
- Wear resistance: Has good wear resistance and is suitable for high-friction environments.
- Chemical resistance: Has good resistance to many chemicals (such as acids, alkalis, and solvents).
| HNBR | |||
| Test Method | Unit | Norm | Test Values |
| Density | g/cm3 | ISO 2781 | 1.12 |
| Hardness | Shore A | ISO 868 | 77 |
| Tensile Strength | Mpa | ISO 37 | 17.2 |
| Ultimate Elongation | % | ISO 37 | 297 |
| Modulus 100% | Mpa | ISO 37 | 6.77 |
| Modulus 200% | Mpa | ISO 37 | 17 |
| Compression Set 70h/150°C | % | ISO 815 | 23 |
| Compression Set 70h/23°C | % | ISO 815 | 11.2 |
|
Heat Ageing 168h/150°C Hardness Change Tensile Strength Change Ultimate Elongation Change |
Shore A Mpa % |
ISO 188
|
+7 +1.73 -18.64 |
|
Oil ASTM 3, 70h/100°C Hardness Change Volume Change |
Shore A % |
ISO 1817
|
-3 +9 |
Applicable Range
1. Specific models: Different brands and models of vehicles may require different specifications of sealing kits. For example, sealing kits are suitable for specific models such as Volkswagen and BMW.
2. Universal: Some sealing kits are designed to be universal and can be adapted to multiple models.
about Us
Linde Polymer Tec Co., Ltd. mainly produces a variety of rubber compounds and rubber seals and currently has more than 3,000 material formulas and more than 2,000 product specifications. Products are suitable for automotive, aviation, machinery, petrochemical, medical, food, electronics, military, industrial, and other fields. Since the establishment of the factory, the company has completed the process consistency operation, and the product yield rate has reached 97.1%.

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