HomeBelts and Cooling > Accessory Drive Belt System ComponentsINA FP07521 Accessory Drive Belt Idler Pulley - Right
Part #: FP07521

INA FP07521 Accessory Drive Belt Idler Pulley - Right

Right
⚙️ 13 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, X1, 135i, 135is, 335i, and 335i xDrive
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Overview of INA Accessory Drive Belt Idler Pulley FP07521

The INA Accessory Drive Belt Idler Pulley FP07521 is designed for precise fitment on select BMW models including the 135i, 135is, 335i, 335i xDrive, and X1. This component plays a critical role in maintaining proper tension and alignment of the accessory drive belt system.

  • Compatible with BMW 135i, 135is, 335i, 335i xDrive, and X1 models
  • Part number FP07521 ensures exact replacement
  • Manufactured by INA, a trusted brand in automotive belt system components
  • Designed for accessory drive belt tension and smooth operation
  • GTIN 00670774309014 for easy identification and verification

Detailed Product Description

The INA FP07521 accessory drive belt idler pulley is engineered to support the accessory drive belt system by providing consistent tension and reducing belt slippage. This pulley is essential for the proper function of the belt system that drives components such as the alternator, power steering pump, and air conditioning compressor on compatible BMW vehicles. The precision manufacturing standards of INA ensure durability and reliable performance under various operating conditions.

Common Applications and Problem Resolution

  • Prevents belt misalignment and premature wear on BMW 135i and 335i models
  • Reduces noise caused by worn or damaged idler pulleys
  • Addresses belt tension issues that can lead to accessory component failure
  • Helps maintain optimal accessory drive system performance on BMW X1 and 335i xDrive
  • Replaces faulty or seized pulleys to restore smooth belt operation

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation
  • Use proper tools to remove the old idler pulley and avoid damage to surrounding components
  • Verify the part number FP07521 matches the original component before installation
  • Inspect the accessory drive belt for wear and replace if necessary during installation
  • Follow BMW manufacturer torque specifications for pulley mounting bolts

Quality Assurance and Warranty Information

INA manufactures the FP07521 idler pulley to meet strict quality standards, ensuring reliable fit and function for BMW accessory drive belt systems. While specific warranty details may vary, INA products typically come with a limited warranty covering defects in materials and workmanship. This provides confidence in the durability and performance of the pulley when installed according to manufacturer guidelines.

This part fits 13 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2015BMWX1xDrive35i3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2014BMWX1xDrive35i3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2013BMW135i3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2013BMW135is3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2013BMW335i3.0LL6RightE92 - E93 Platform; INA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2013BMW335i xDrive3.0LL6RightE92 Platform; INA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2013BMWX1xDrive35i3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2012BMW135i3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm; W/Turbo
2012BMW335i3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2012BMW335i xDrive3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2011BMW135i3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2011BMW335i3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm
2011BMW335i xDrive3.0LL6RightINA Global Number 532 0752 100; 90,00 mm X 30,00 mm

* 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:

11287578675532075210089586no gates equiv

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