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Description
All WAI overrunning alternator pulleys (OAP)/decouplers (OAD) are validated using OEM test specifications.Think of your alternator clutch pulley like a bicycle; as you pedal the bike (the alternator) gains speed. When you stop pedalling the bike keeps moving (as does your vehicle alternator). The pulley is what allows your vehicle to “free wheel” or stop pedalling but keep moving and will eventually slow down to come in line with your current speed. The pulley is also responsible for absorbing vibrations from the engine as you change gears. If the pulley is worn or has failed it won’t be able to perform correctly and your alternator (serpentine) belt could stretch or snap as a result meaning costly repairs.Want to make sure this fits your vehicle? Scroll down to use our registration look up tool.OEM ReferencesGENERAL MOTORS 55564350, 55571966OPEL 1204151, 1204175, 55564350
Fits - SAAB 9-3, 9-3X, 9-5, VAUXHALL ASTRA, ASTRAVAN, SIGNUM, VECTRA, ZAFIRA
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- Brand
- WAI
- Part type
- Alternator Decoupler Pulley
- Manufacturer Part Number
- 2491108
- Original equipment
- No
- Universal part
- No
- Under S-Head to First Groove Length
- 18 mm
| Position | Make | Model | Year | Engine Designation | Engine Base | Cylinder Head Type | Aspiration | Fuel Type |
|---|---|---|---|---|---|---|---|---|
| -- | Opel | Astra | Aug 2005 - 2012 | Z 19 DTL | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Astra | Jun 2004 - Oct 2010 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Astra | Apr 2004 - Oct 2010 | Z 19 DTJ | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Astra | Sep 2004 - Oct 2010 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Signum | Aug 2005 - Feb 2008 | Z 19 DTL | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Signum | Apr 2004 - Feb 2008 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Signum | 2004 - 2008 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Vectra | Jun 2005 - Aug 2008 | Z 19 DTL | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Vectra | Apr 2004 - Jan 2009 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Vectra | Apr 2004 - Aug 2008 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Zafira | Jul 2005 - Apr 2015 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Zafira | Jul 2005 - Apr 2015 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Zafira, Zafira Family | Jul 2005 - Apr 2015 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Zafira, Zafira Family | Jul 2005 - 2010 | Z 19 DTL | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Opel | Zafira, Zafira Family | Jul 2005 - Apr 2015 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Peugeot | 407 | Oct 2005 - 2020 | 3FY | 2.2L l4 | DOHC | Naturally Aspirated | Petrol |
| -- | Saab | 9-3 | 2008 - 2010 | Z19DTR | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-3 | 2011 - 2012 | Z19DTR | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-3 | 2007 - 2015 | A19DTR | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-3 | 2007 - 2015 | Z19DTR, A19DTR | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-3 | 2007 - Jun 2010 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-3 | Sep 2004 - Feb 2015 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-3 | Sep 2002 - Feb 2015 | D223L | 2.2L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-3X | Feb 2009 - 2012 | Z19DTR, A19DTR | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-5 | May 2010 - Jan 2012 | A20DTH | 2.0L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-5 | May 2010 - Jan 2012 | A20DTR | 2.0L l4 | DOHC | Bi-Turbo/Intercooler | Diesel |
| -- | Saab | 9-5 | 2007 - 2009 | Z19DTR | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Saab | 9-5 | 2006 - 2009 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Astra | 2004 - Nov 2010 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Astra | 2004 - Nov 2010 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Astra | Aug 2005 - Nov 2010 | Z 19 DTL | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Astra | 2004 - May 2009 | Z 19 DTJ | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Astravan | Mar 2005 - Nov 2011 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Astravan | Mar 2005 - Nov 2011 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Signum | Apr 2004 - Mar 2008 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Signum | Apr 2004 - Mar 2008 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Vectra | Apr 2002 - Sep 2008 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Vectra | Apr 2004 - May 2009 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Zafira | Jul 2005 - Nov 2014 | Z 19 DT | 1.9L l4 | SOHC | Turbo/Intercooled | Diesel |
| -- | Vauxhall | Zafira | Jul 2005 - Nov 2014 | Z19DTH | 1.9L l4 | DOHC | Turbo/Intercooled | Diesel |