Skip to content
Audi Engine Timing Belt Idler – Passenger Side

Audi Engine Timing Belt Idler – Passenger Side

DNJ ENGINE COMPONENTS
Ships from Supplier
SKU TBT812R
$42.95 - $42.95
$42.95
$42.95 - $42.95
$42.95
Rewards
EARN REWARD POINTS
Purchasing this product will earn you 210 points to redeem on future purchases. Check your points.

We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

This Audi Engine Timing Belt Idler (passenger side, TBT812R) is a direct replacement for the OEM idler pulley on the passenger side of the engine. It maintains correct timing belt tension and reduces vibration for reliable engine operation. Fits Audi A4 and A6 models with the 3.0L V6 engine from 2002 to 2006.

Key Features & Benefits

  • Passenger side specific: Designed for the passenger side timing belt position.
  • Sealed bearing: Protects against dirt and moisture for extended life.
  • Direct fit: Matches OEM dimensions and bolt patterns.
  • Durable construction: Built to withstand engine bay temperatures and stress.

Vehicle Fitment

Make Model Years Engine
Audi A4 2002–2005 3.0V6
Audi A4 Quattro 2002–2005 3.0V6
Audi A4 Quattro 2006 3.0V6
Audi A6 2002–2004 3.0V6
Audi A6 Quattro 2002–2004 3.0V6

Technical Specifications

Part Number TBT812R
Cross Reference Gates T42138

Installation Notes

Professional installation recommended; ensure correct tension and alignment during timing belt service.

About DNJ Engine Components

DNJ Engine Components is a leading aftermarket engine parts manufacturer known for quality and reliability.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 5 applications
B6
Make Model Engine Years
Audi A4 3.0V6 2002–2005
Audi A4 Quattro 3.0V6 2002–2005
B7
Make Model Engine Years
Audi A4 Quattro 3.0V6 2006–2006
C5
Make Model Engine Years
Audi A6 3.0V6 2002–2004
Audi A6 Quattro 3.0V6 2002–2004