Part #: EA0127

INA EA0127 Alternator Decoupler Pulley

⚙️ 18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 328i, 328xi, 525i, 525xi, 530i, 530xi, 325i, 325xi, 330i, and 330xi
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Reliable Alternator Decoupler Pulley for BMW Models

The INA EA0127 alternator decoupler pulley is designed to provide smooth and efficient operation for your BMW vehicle's charging system. Engineered to meet OEM specifications, this pulley helps reduce belt vibration and wear, ensuring consistent alternator performance.

  • Compatible with BMW 325i, 325xi, 328i, 328xi, 330i, 330xi, 525i, 525xi, 530i, and 530xi models
  • Part number EA0127 for precise identification and fitment
  • Manufactured by INA, a trusted brand in automotive components
  • Designed to reduce alternator belt noise and extend belt life
  • Durable construction for long-lasting performance

Product Details and Functionality

The INA EA0127 alternator decoupler pulley is a critical component in the electrical charging and starting system of select BMW vehicles. It acts as a buffer between the alternator and the drive belt, absorbing torsional vibrations and preventing belt slippage. This results in smoother alternator operation and helps maintain consistent electrical output. The pulley is engineered to fit specific BMW models including the 3 Series and 5 Series variants listed, ensuring proper alignment and function within the engine assembly.

Common Applications and Problem Resolution

  • Eliminates alternator belt squealing and noise
  • Prevents premature belt wear and damage
  • Reduces vibration-related stress on the alternator
  • Improves charging system reliability
  • Addresses issues related to alternator pulley failure or wear

Installation Notes and Tips

Installation of the INA EA0127 alternator decoupler pulley should be performed by a qualified technician familiar with BMW engine assemblies. Proper torque specifications must be followed to ensure secure mounting. It is recommended to inspect the drive belt and related components during installation to confirm overall system integrity. Using the correct tools and following manufacturer guidelines will help avoid damage to the pulley or alternator.

Quality Assurance and Warranty

INA manufactures the EA0127 alternator decoupler pulley to meet stringent quality standards. Each unit undergoes rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty terms may vary, INA typically offers coverage against manufacturing defects, providing confidence in the product's reliability for BMW 3 Series and 5 Series vehicles.

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008BMW328i3.0LL6N/AValeo version; INA Global Number 535 0127 100
2008BMW328xi3.0LL6N/AValeo version; INA Global Number 535 0127 100
2007BMW328i3.0LL6N/AValeo version; INA Global Number 535 0127 100
2007BMW328xi3.0LL6N/AValeo version; INA Global Number 535 0127 100
2007BMW525i2.5LL6N/AValeo version; INA Global Number 535 0127 100
2007BMW525i3.0LL6N/AValeo version; INA Global Number 535 0127 100
2007BMW525xi3.0LL6N/AValeo version; INA Global Number 535 0127 100
2007BMW530iN/AValeo version; INA Global Number 535 0127 100
2007BMW530xiN/AValeo version; INA Global Number 535 0127 100
2006BMW325i3.0LL6N/AValeo version; INA Global Number 535 0127 100
2006BMW325xi3.0LL6N/AValeo version; INA Global Number 535 0127 100
2006BMW330i3.0LL6N/AValeo version; INA Global Number 535 0127 100
2006BMW330xi3.0LL6N/AValeo version; INA Global Number 535 0127 100
2006BMW525i3.0LL6N/AValeo version; INA Global Number 535 0127 100
2006BMW525i2.5LL6N/AValeo version; INA Global Number 535 0127 100
2006BMW525xi3.0LL6N/AValeo version; INA Global Number 535 0127 100
2006BMW530iN/AValeo version; INA Global Number 535 0127 100
2006BMW530xiN/AValeo version; INA Global Number 535 0127 100

* 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.