Part #: 46221

Febi 46221 Radiator Cap

⚙️ 1 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, X6
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Overview of Febi Radiator Cap 46221 for BMW X6

The Febi radiator cap 46221 is designed specifically for BMW X6 models, ensuring proper pressure regulation within the cooling system. Manufactured from durable black plastic, this radiator cap maintains optimal cooling performance and system integrity.

  • Material: High-quality black plastic for durability
  • Filler neck outside diameter: 88.0 mm
  • Outer diameter: 88.0 mm
  • Thread specification: M52 x 3 outside thread
  • Pressure rating: 1.4 bar for precise pressure control
  • Article version: New implementation for improved fit and function

Detailed Product Description

The Febi radiator cap part number 46221 is engineered to meet the exact specifications required by BMW X6 vehicles. Its plastic construction offers resistance to corrosion and heat, while the 1.4 bar pressure rating ensures the cooling system maintains the correct pressure to prevent overheating and coolant loss. The cap’s 88.0 mm outer diameter and M52 x 3 thread size provide a secure and reliable fit on the filler neck, maintaining system integrity under various operating conditions.

Applications and Problem Solving

This radiator cap is compatible with BMW X6 models and is designed to address common cooling system issues such as:

  • Preventing coolant leaks due to improper sealing
  • Maintaining correct system pressure to avoid overheating
  • Reducing risk of radiator or hose damage from pressure fluctuations
  • Ensuring consistent coolant flow and system efficiency
  • Replacing worn or damaged radiator caps to restore cooling system performance

Installation Notes and Tips

When installing the Febi radiator cap 46221 on your BMW X6, ensure the filler neck is clean and free of debris. Align the M52 x 3 thread carefully and tighten the cap securely to maintain the 1.4 bar pressure rating. Avoid overtightening to prevent damage to the plastic material. Regular inspection of the radiator cap is recommended to ensure ongoing system reliability.

Quality Assurance and Warranty

Febi is known for producing automotive components that meet OEM standards. The radiator cap 46221 undergoes strict quality control to ensure durability and performance. While specific warranty details are not provided, Febi products typically conform to industry quality benchmarks, offering reliable service life when installed correctly.

BrandFebi
Part Number46221
MaterialPlastic
Filler Neck Outside Diameter88.0
Article VersionNew implementation
ColourBlack
MaterialPlastic
Outer Diameter (mm)88.0
Outside ThreadM52 x 3
Pressure (Bar)1.4

This part fits 1 vehicles. Search below:

YearMakeModelPositionNotes
2020BMWX6N/AArticle version: new implementation; Outside Thread 1: M52 x 3; Outer Diameter 1 (mm): 88; Material: Plastic; Colour: black / yellow; Pressure (Bar): 1.4

* 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:

17 11 7 521 07117 11 7 639 020

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.