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Drive Belt Idler Pulley

Febi Bilstein Drive Belt Idler Pulley 170015

FEBI BILSTEIN
Disponibilidad:
5+ en stock, listo para ser enviado

Ships same or next business day

SKU 170015
$16.31 - $16.31
$16.31
$16.31 - $16.31
$16.31
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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FEBI BILSTEIN

Drive Belt Idler Pulley

This product also goes by these part numbers: 079 903 341 F, 079903341F, 170015

This part also goes by the following cross reference.

Cross Reference Part Number: 079903341F

Fits These Vehicles 23 applications
C5 A6
Make Model Engine Years
AUDI ALLROAD C5 (4BH) 4.2 V8 quattro 2002–2005
A4
Make Model Engine Years
AUDI A4 B6 (8E2) S4 quattro 2003–2004
AUDI A4 B6 Avant (8E5) S4 quattro 2003–2004
AUDI A4 B6 Convertible (8H7) S4 quattro 2004–2005
AUDI A4 B7 Avant (8ED) S4 quattro 2004–2008
AUDI A4 B7 Convertible (8HE) S4 quattro 2005–2009
C6 A6
Make Model Engine Years
AUDI A6 Allroad C6 (4FH) 4.2 FSI quattro 2006–2010
AUDI A6 C6 (4F2) 4.2 quattro 2004–2006
AUDI A6 C6 (4F2) S6 quattro 2006–2011
AUDI A6 C6 (4F2) 4.2 FSI quattro 2006–2011
AUDI A6 C6 Avant (4F5) 4.2 quattro 2005–2006
AUDI A6 C6 Avant (4F5) S6 quattro 2006–2011
AUDI A6 C6 Avant (4F5) 4.2 FSI quattro 2006–2011
4L Q7
Make Model Engine Years
AUDI Q7 (4LB) 4.2 FSI quattro 2006–2010
AUDI Q7 Van (4LB) 4.2 FSI quattro 2006–2010
D3 A8
Make Model Engine Years
AUDI A8 D3 (4E2, 4E8) S8 quattro 2006–2010
AUDI A8 D3 (4E2, 4E8) 4.2 FSI quattro 2006–2010
B7 A4
Make Model Engine Years
AUDI A4 B7 (8EC) S4 quattro 2004–2008
B8 A5
Make Model Engine Years
AUDI A5 (8T3) S5 quattro 2007–2012
7L Touareg
Make Model Engine Years
VW TOUAREG (7LA, 7L6, 7L7) 4.2 V8 FSI 2006–2010
R8
Make Model Engine Years
AUDI R8 (422, 423) 4.2 FSI quattro 2007–2010
AUDI R8 (422, 423) 4.2 FSI quattro 2010–2015
AUDI R8 Spyder (427, 429) 4.2 FSI quattro 2010–2015

Fitment data last updated: 2026-03-19

Fits 23 vehicle applications Check vehicle fitment before ordering View fitment

About this Belt Tensioner & Idler Pulley

The FEBI BILSTEIN 170015 is part of the accessory drive that runs the alternator, A/C compressor and other components. The tensioner keeps the drive belt at the right tension and idler pulleys guide it, and their bearings wear over time.

Frequently asked questions

What does a belt tensioner do?

It applies constant pressure to the drive belt so it grips the pulleys without slipping, and it absorbs the belt's movement as engine speed changes. Idler pulleys guide the belt around its path.

What are the signs of a worn tensioner or idler pulley?

A squeal or chirp from the front of the engine, a rumbling or grinding bearing noise, a belt that flutters, jumps or wears unevenly, or a tensioner arm that bounces or has visible play.

What should I replace along with it?

Replace the drive belt at the same time, and consider replacing the other pulleys if they have similar mileage, since their bearings wear at a similar rate.

Can I replace a tensioner myself?

Usually, yes. Note or photograph the belt routing before removing it, release the tension with the correct tool, and check the new belt sits correctly in every pulley groove before starting the engine.

How do I make sure this belt tensioner or pulley fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

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