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Elring 157.440 Engine Cylinder Head Gasket
Engine Cylinder Head Gasket for BMW X5, Z3, and Z4
The Elring 157.440 engine cylinder head gasket is designed to meet the specific sealing requirements of BMW models including the X5, Z3, and Z4. Engineered with multilayer steel construction, this gasket ensures reliable sealing performance under demanding conditions.
- Thickness: 1.8 mm for precise sealing
- Multilayer steel (MLS) gasket design for durability and heat resistance
- Piston protrusion compatibility: 1.19 mm
- Compatible with BMW X5, Z3, and Z4 models
- Requires additionally article number 802.801 for installation
Technical Details and Design Features
The Elring 157.440 cylinder head gasket features a multilayer steel (MLS) design, which provides enhanced sealing capabilities compared to traditional gaskets. The 1.8 mm thickness is optimized to maintain proper compression and prevent leaks between the cylinder head and engine block. The gasket is engineered to accommodate a piston protrusion of 1.19 mm, ensuring compatibility with the combustion chamber geometry of the BMW X5, Z3, and Z4 engines. This precise fitment helps maintain engine efficiency and prevents common issues such as coolant or oil leaks.
Applications and Problem Solving
- Prevents coolant and oil leaks between the cylinder head and engine block
- Maintains engine compression for optimal performance
- Reduces risk of head gasket failure due to thermal expansion
- Compatible with BMW X5, Z3, and Z4 engines requiring a 1.8 mm thick MLS gasket
- Addresses sealing issues related to piston protrusion of 1.19 mm
Installation Notes and Tips
When installing the Elring 157.440 cylinder head gasket, ensure the engine surfaces are clean and free of debris. The gasket requires the use of additionally required article number 802.801 to complete the installation properly. Follow manufacturer torque specifications and tightening sequences to avoid gasket damage and ensure a secure seal. Proper installation is critical to prevent leaks and maintain engine performance.
Quality Assurance and Warranty
Elring is known for producing high-quality gaskets that meet OEM standards. The 157.440 cylinder head gasket undergoes rigorous quality control to ensure durability and reliable sealing under high temperature and pressure conditions. While specific warranty details are not provided, Elring products typically conform to industry standards for automotive replacement parts.
| Brand | Elring |
| Part Number | 157.440 |
| Thickness | 1.8 |
| Additionally required articles (article numbers) | 802.801 |
| Gasket Design | Multilayer steel (mls) |
| Piston Protrusion From [Mm] | 1.19 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2005 | BMW | Z4 | 3.0i | Convertible | RWD | 3.0L | L6 | N/A | |
| 2004 | BMW | Z4 | 3.0i | Convertible | RWD | 3.0L | L6 | N/A | |
| 2003 | BMW | X5 | 3.0i | Sport Utility | AWD | 3.0L | L6 | N/A | |
| 2003 | BMW | Z4 | 3.0i | Convertible | RWD | 3.0L | L6 | N/A | |
| 2002 | BMW | X5 | 3.0i | Sport Utility | AWD | 3.0L | L6 | N/A | |
| 2002 | BMW | Z3 | 3.0i | Convertible | RWD | 3.0L | L6 | N/A | |
| 2001 | BMW | X5 | 3.0i | Sport Utility | AWD | 3.0L | L6 | N/A | |
| 2001 | BMW | Z3 | 3.0i | Convertible | RWD | 3.0L | L6 | N/A |
* 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.