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Drive Belt Idler Pulley

Gates Drive Belt Idler Pulley T36106

GATES
Availability:
Out of stock
SKU T36106
Sold out
$46.96 - $46.96
$46.96
$46.96 - $46.96
$46.96
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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GATES

Drive Belt Idler Pulley

This part also goes by the following cross reference.

Cross Reference Part Number: 07K145172B

Fits These Vehicles 11 applications
8P A3
Make Model Engine Years
AUDI A3 Sportback (8PA) RS3 quattro 2011–2012
MK2 TT
Make Model Engine Years
AUDI TT (8J3) 2.5 RS quattro 2009–2014
AUDI TT (8J3) 2.5 RS quattro 2011–2014
AUDI TT Roadster (8J9) 2.5 RS quattro 2009–2014
AUDI TT Roadster (8J9) 2.5 RS quattro 2012–2014
8U Q3
Make Model Engine Years
AUDI Q3 (8UB, 8UG) RS 2.5 quattro 2013–2018
AUDI Q3 (8UB, 8UG) RS 2.5 quattro 2013–2018
AUDI Q3 (8UB, 8UG) RS performance 2.5 quattro 2015–2018
8V A3
Make Model Engine Years
AUDI A3 Sportback (8VA, 8VF) RS3 quattro 2015–2016
MK5 Jetta
Make Model Engine Years
VW JETTA III (1K2) 2.5 2006–2010
MK6 Jetta
Make Model Engine Years
VW JETTA IV (162, 163, AV3, AV2) 2.5 2010–2017

Fitment data last updated: 2026-03-19

Fits 11 vehicle applications Check vehicle fitment before ordering View fitment

About this Belt Tensioner & Idler Pulley

The GATES T36106 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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