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Febi 21586 Engine Cylinder Head Bolt
Reliable Engine Cylinder Head Bolt for Audi and Volkswagen
The febi 21586 engine cylinder head bolt is designed to meet the precise specifications required for Audi and Volkswagen vehicles. Engineered for durability and exact fitment, this bolt ensures secure fastening of the cylinder head, critical for engine performance and longevity.
- Length under head: 133.0 mm
- Outside thread size: M11 x 1.5
- Compatible with multiple Audi and Volkswagen models
- Part number: 21586 for easy identification
- Manufactured by febi, a trusted brand in automotive hardware
About the febi Brand Line
The febi brand line specializes in high-quality engine hardware, fasteners, and fittings designed to meet OEM standards. This product line focuses on precision-engineered components like cylinder head bolts that maintain engine integrity and performance. The febi 21586 bolt is part of this line, ensuring compatibility and reliability for Audi and Volkswagen engines.
Product Details and Specifications
This engine cylinder head bolt features a length under the head of 133.0 mm, providing the necessary reach for secure fastening in the cylinder head assembly. The outside thread is sized M11 x 1.5, matching the threading requirements of the specified vehicle models. These specifications are critical for maintaining proper torque and clamping force, which are essential for engine sealing and operation.
Compatible Vehicles and Applications
- Compatible with Audi A4 and A4 Quattro models
- Fits Audi A6 and A6 Quattro engines
- Suitable for Audi Allroad Quattro
- Designed for Volkswagen Passat and S4 models
- Ideal for replacing worn or damaged cylinder head bolts in these vehicles
Installation Notes and Tips
When installing the febi 21586 cylinder head bolt, ensure the threads are clean and free of debris to achieve proper torque specifications. Use a calibrated torque wrench to tighten bolts according to the manufacturer’s recommended sequence and torque values. Avoid reusing old bolts if they show signs of wear or stretching, as this can compromise engine sealing.
Quality Assurance and Warranty
Manufactured under strict quality control standards, the febi 21586 cylinder head bolt meets OEM specifications for fit and function. febi products are known for their consistent quality and reliability. Please refer to febi’s warranty policy for coverage details related to manufacturing defects.
| Brand | Febi |
| Part Number | 21586 |
| Position | febi |
| Length under Head (mm) | 133.0 |
| Outside Thread | M11 x 1.5 |
This part fits 39 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Audi | Allroad Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2005 | Volkswagen | Passat | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2004 | Audi | A6 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2004 | Audi | Allroad Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2004 | Volkswagen | Passat | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2003 | Audi | A6 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2003 | Audi | Allroad Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2003 | Volkswagen | Passat | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2002 | Audi | A6 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2002 | Audi | Allroad Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2002 | Audi | S4 | N/A | Outside Thread 1: M11; febi | ||
| 2002 | Volkswagen | Passat | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2001 | Audi | A4 | 2.8L | V6 | N/A | Outside Thread 1: M11; febi |
| 2001 | Audi | A4 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2001 | Audi | A6 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2001 | Audi | A6 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2001 | Audi | Allroad Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2001 | Audi | S4 | N/A | Outside Thread 1: M11; febi | ||
| 2001 | Volkswagen | Passat | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2000 | Audi | A4 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2000 | Audi | A4 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2000 | Audi | A6 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2000 | Audi | A6 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 2000 | Audi | S4 | N/A | Outside Thread 1: M11; febi | ||
| 2000 | Volkswagen | Passat | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1999 | Audi | A4 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1999 | Audi | A4 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1999 | Audi | A6 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1999 | Volkswagen | Passat | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1998 | Audi | A4 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1998 | Audi | A4 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1998 | Audi | A6 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1998 | Volkswagen | Passat | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1997 | Audi | A4 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1997 | Audi | A4 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1997 | Audi | A6 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1997 | Volkswagen | Passat | 2.8L | V6 | N/A | Outside Thread 1: M11; febi |
| 1996 | Audi | A4 | N/A | Length 1 (mm): 138; Outside Thread 1: M11 | ||
| 1996 | Audi | A4 Quattro | N/A | Length 1 (mm): 138; Outside Thread 1: M11 |
* 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.