HomeBelts and Cooling > Accessory Drive Belt System ComponentsINA FT10309 Accessory Drive Belt Tensioner
Part #: FT10309

INA FT10309 Accessory Drive Belt Tensioner

⚙️ 21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Volkswagen and Audi, Passat, A4, and A4 Quattro
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Reliable Accessory Drive Belt Tensioner for Audi and Volkswagen

The INA FT10309 accessory drive belt tensioner is designed to maintain optimal tension on the drive belt system for Audi A4, A4 Quattro, and Volkswagen Passat models. This component ensures smooth operation of engine accessories by preventing belt slippage and reducing wear.

  • Compatible with Audi A4, A4 Quattro, and Volkswagen Passat
  • Part number FT10309 for precise identification
  • Maintains proper tension in accessory drive belt systems
  • Durable construction for consistent performance
  • GTIN 00670774121661 for easy tracking and verification

Product Details and Functionality

The INA FT10309 accessory drive belt tensioner is engineered to provide consistent tension to the accessory drive belt, which powers critical engine components such as the alternator, power steering pump, and air conditioning compressor. Proper tension prevents belt slippage, reduces noise, and extends the lifespan of the belt and pulleys. This tensioner is specifically designed for use in Audi A4, A4 Quattro, and Volkswagen Passat vehicles, ensuring compatibility and reliable fitment.

Common Applications and Problem Resolution

  • Eliminates belt squealing caused by improper tension
  • Prevents premature belt wear and cracking
  • Reduces risk of accessory component failure due to belt slippage
  • Maintains engine accessory performance and efficiency
  • Addresses tensioner pulley wear and bearing noise

Installation Notes and Tips

When installing the INA FT10309 tensioner, ensure the engine is cool and the accessory drive belt is properly routed according to the vehicle’s service manual. Use appropriate tools to relieve tension from the old belt and carefully remove the existing tensioner. Verify the new tensioner aligns correctly with mounting points and pulleys before securing. After installation, double-check belt tension and alignment to avoid premature wear.

Quality Assurance and Warranty Information

INA manufactures the FT10309 tensioner to meet OEM specifications, ensuring reliable performance and durability. This part undergoes rigorous quality control processes to maintain consistent standards. While specific warranty details may vary, INA products typically come with a limited warranty covering defects in materials and workmanship.

This part fits 21 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2005VolkswagenPassatGLS TDI2.0LL4N/AINA Global Number 531 0309 100; For A/C Belt
2005VolkswagenPassat1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2004VolkswagenPassatGLS TDI2.0LL4N/AINA Global Number 531 0309 100; For A/C Belt
2004VolkswagenPassat1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2003VolkswagenPassat1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2002VolkswagenPassat1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2002VolkswagenPassat4.0LW8N/AINA Global Number 531 0309 100; For A/C Belt
2001AudiA41.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2001AudiA4 Quattro1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2001VolkswagenPassat1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2000AudiA41.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2000AudiA4 Quattro1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
2000VolkswagenPassat1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
1999AudiA41.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
1999AudiA4 Quattro1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
1999VolkswagenPassat1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
1998AudiA41.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
1998AudiA4 Quattro1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
1998VolkswagenPassat1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
1997AudiA41.8LL4N/AINA Global Number 531 0309 100; For A/C Belt
1997AudiA4 Quattro1.8LL4N/AINA Global Number 531 0309 100; For A/C Belt

* 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:

058109243E490615310309100T43165

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