HomeBelts and Cooling > Accessory Drive Belt System ComponentsINA FP20571 Accessory Drive Belt Idler Pulley - Right or Upper
Part #: FP20571

INA FP20571 Accessory Drive Belt Idler Pulley - Right or Upper

Upper and Right
⚙️ 9 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, E250, GLE300d, GLK250, and ML250
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Reliable Accessory Drive Belt Idler Pulley for Mercedes-Benz

The INA FP20571 accessory drive belt idler pulley is designed to maintain proper tension and alignment of the accessory drive belt system in select Mercedes-Benz models. Engineered for durability and precise fitment, this component supports smooth operation of your vehicle's belt-driven accessories.

  • Compatible with Mercedes-Benz E250, GLE300d, GLK250, and ML250 models
  • Part number FP20571 ensures exact replacement and fit
  • Manufactured by INA, a trusted name in automotive belt system components
  • Designed to maintain optimal belt tension and reduce wear
  • Durable construction for long service life under demanding conditions

Product Details and Specifications

The INA FP20571 accessory drive belt idler pulley is a critical component within the accessory drive belt system, responsible for guiding and maintaining tension on the belt that powers essential engine accessories. This pulley is engineered to meet OEM specifications for Mercedes-Benz E250, GLE300d, GLK250, and ML250 models, ensuring proper alignment and smooth belt operation. The precision manufacturing process and quality materials used by INA help reduce belt slippage and premature wear, contributing to the overall reliability of the vehicle's accessory drive system.

Applications and Problem Resolution

  • Prevents belt misalignment and slipping in Mercedes-Benz E250 and GLK250
  • Reduces noise caused by worn or damaged idler pulleys in GLE300d and ML250
  • Helps maintain consistent belt tension to avoid accessory drive failures
  • Addresses premature belt wear due to faulty pulley operation
  • Supports smooth operation of alternator, power steering, and air conditioning belts

Installation Notes and Tips

When replacing the INA FP20571 idler pulley, ensure the accessory drive belt is properly routed according to the vehicle’s service manual. Inspect the belt for signs of wear or damage and replace if necessary. Use appropriate tools to remove the old pulley and install the new one without forcing or misaligning the component. Proper torque specifications should be followed to secure the pulley and prevent premature failure.

Quality Assurance and Warranty

INA manufactures the FP20571 accessory drive belt idler pulley to meet stringent quality standards, ensuring reliable performance in Mercedes-Benz E250, GLE300d, GLK250, and ML250 vehicles. While specific warranty details are not provided, INA products typically undergo rigorous testing to comply with OEM requirements, offering confidence in durability and fitment.

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017Mercedes-BenzGLE300d2.1LL4UpperINA Global Number 532 0571 100
2016Mercedes-BenzE2502.1LL4RightINA Global Number 532 0571 100
2016Mercedes-BenzGLE300d2.1LL4UpperINA Global Number 532 0571 100
2015Mercedes-BenzE2502.1LL4RightINA Global Number 532 0571 100
2015Mercedes-BenzGLK2502.1LL4UpperINA Global Number 532 0571 100
2015Mercedes-BenzML2502.1LL4UpperINA Global Number 532 0571 100
2014Mercedes-BenzE2502.1LL4RightINA Global Number 532 0571 100
2014Mercedes-BenzGLK2502.1LL4UpperINA Global Number 532 0571 100
2013Mercedes-BenzGLK2502.1LL4UpperINA Global Number 532 0571 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:

5320571100651 200 03 7068027648AAno gates equiv

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