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Drive Belt Tensioner
Drive Belt Tensioner
Drive Belt Tensioner
Drive Belt Tensioner

Litens Drive Belt Tensioner 950440 A

LITENS
Disponibilidad:
5+ en stock, listo para ser enviado

Ships same or next business day

SKU 950440A
$65.77 - $65.77
$65.77
$65.77 - $65.77
$65.77
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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LITENS

Drive Belt Tensioner

This product also goes by these part numbers: 078 903 133 AB, 078903133AB, 950440A

This part also goes by the following cross reference.

Cross Reference Part Number: 078903133AB

Fits These Vehicles 17 applications
Audi
Make Model Engine Years
Audi 90 Quattro 1995–1995
Audi A4 1996–1996
Audi A4 2.8L V6 1997–2001
Audi A4 Quattro 1996–1996
Audi A4 Quattro 1998–1998
Audi A4 Quattro 2.8L V6 1997–2001
Audi A6 1996–2001
Audi A6 Quattro 1995–2001
Audi A6 Quattro 2.7L V6 2000–2004
Audi A6 Quattro 2.8L V6 2000–2001
Audi Allroad Quattro 2001–2002
Audi Allroad Quattro 2.7L V6 2003–2005
Audi Cabriolet 1995–1998
Audi S4 2000–2002
Volkswagen
Make Model Engine Years
Volkswagen Passat 2.8L V6 1998–2005
Volkswagen Passat 1998–1998
Volkswagen Passat 2000–2005

Fitment data last updated: 2026-07-18

Fits 17 vehicle applications Check vehicle fitment before ordering View fitment

About this Belt Tensioner & Idler Pulley

The LITENS 950440A 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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