INA EA0276 Alternator Decoupler Pulley
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INA

INA EA0276 Alternator Decoupler Pulley

Brand INA EA0276
Fits Audi · 49 vehicles

Vibration damping. Helps reduce harshness in compact auxiliary drive systems.

FEAD solution. Supports holistic maintenance for high-load engine accessory drives.

Alternator decoupler pulley. A direct-function replacement for the charging system drive.

Cross-references 06H 903 201 B, 920135 and 5350276100 for the same application. See all 3.

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Alternator Decoupler Pulley for Audi Charging Systems

INA EA0276 is an alternator decoupler pulley for select Audi charging system applications. It is built for vehicles that use a 6-groove belt drive and the specified M16x1.5 mounting thread, with dimensions matched to the listed OE-style applications.

  • Alternator decoupler pulley for charging system service
  • INA Global Number 535 0276 100
  • M16x1.5 mm thread, 55.7 mm outer diameter, 42.7 mm width
  • 6-groove pulley design
  • Cross-reference part numbers include 06H 903 201 B and 920135

Fitment and Application Details

Compatible with 2013-2016 Audi A4, 2013-2016 Audi A4 Quattro, 2013-2016 Audi A5, 2013-2016 Audi A5 Quattro, 2013-2016 Audi allroad, 2013-2014 Audi A6, 2013-2014 Audi A6 Quattro, and 2013 Audi A4 allroad. Select listings note 180 Amp alternator applications, including Audi A4, Audi A4 Quattro, Audi A5 Quattro, Audi A5, Audi A6, and Audi A6 Quattro.

INA’s FEAD-focused design approach emphasizes vibration damping in tight engine packaging, which is important in modern high-load Audi engines. EA0276 is a direct-fit style service part for vehicles using the listed pulley specifications and belt configuration.

Common Problems This Part Can Address

  • Alternator pulley noise or rough operation
  • Belt vibration in the front-end accessory drive
  • Charging system driveline irregularity
  • Wear-related pulley decoupling issues
  • Fitment mismatch on 6-groove Audi alternator applications

Installation Notes and Quality

Verify the alternator thread size, pulley diameter, width, and groove count before installation. Confirm the vehicle’s alternator output and application notes against the listed fitment for the correct Audi A4, Audi A5, Audi A6, or allroad configuration. Professional installation is recommended to ensure proper belt alignment and charging system operation.

INA manufactures FEAD components for vibration control and maintenance-focused service in modern engine accessory drives. This part number is EA0276.

Related reading

This part fits 49 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2016AudiA42.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA42.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA41.8LL4—N/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA4 Quattro2.0LL4FLEXN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA4 Quattro2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA4 Quattro2.0LL4GASN/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA52.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA5 Quattro2.0LL4FLEXN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA5 Quattro2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016AudiA5 Quattro2.0LL4GASN/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2016Audiallroad2.0LL4—N/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA42.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA42.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA4 Quattro2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA4 Quattro2.0LL4FLEXN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA4 Quattro2.0LL4GASN/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA52.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA51.8LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA5 Quattro2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA5 Quattro2.0LL4FLEXN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015AudiA5 Quattro2.0LL4GASN/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2015Audiallroad2.0LL4—N/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA42.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA42.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA4 Quattro2.0LL4FLEXN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA4 Quattro2.0LL4GASN/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA4 Quattro2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA52.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA52.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA5 Quattro2.0LL4FLEXN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA5 Quattro2.0LL4GASN/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA5 Quattro2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA62.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014AudiA6 Quattro2.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2014Audiallroad2.0LL4—N/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA42.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA42.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA4 allroad2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA4 Quattro2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA4 Quattro2.0LL4GASN/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA4 Quattro2.0LL4FLEXN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA52.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA52.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA5 Quattro2.0LL4GASN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA5 Quattro2.0LL4GASN/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA5 Quattro2.0LL4FLEXN/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA62.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013AudiA6 Quattro2.0LL4—N/A180 Amp Alternator; INA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
2013Audiallroad2.0LL4—N/AINA Global Number 535 0276 100; M16x1.5 mm, O.D 55.7 mm, Width 42.7 mm 6 Groove
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
06H 903 201 B9201355350276100