M32 Gearbox 4th Gear 61T 55491401 39mm Gen 3 Vauxhall / Afla Romeo / Fiat

M32 Transmission Vauxhall 3rd Generation

4th Gear 61T 55491401 39mm

Generation 3 M32 4th gear for output shaft 1 (28)

Internal Diameter 39mm.
Please note the OE Generation 3 M32 systems use a thicker diameter output shaft at the point 4th gear sits.

Please check the internal measurement of the gear before ordering. This gear is not compatible with the Gen 1 or 2 M32 Gearbox.

M32 Gen 3 '16 Onwards Only.

Part Number(s)

55491401

Fitment Location 28 On Diagram

Vehicle Compatibility

Abarth
Abarth Grande Punto, 199 (2007-2009)
Abarth Punto, 199 (2012-2014)
Abarth Punto Evo, 199 (2010-2012)

Alfa Romeo
Alfa Romeo (EU) 147, 937 (2000-2010)
Alfa Romeo (EU) 156, 932 (1997-2007)
Alfa Romeo (EU) 159, 939 (2005-2011)
Alfa Romeo (EU) Brera, 939 (2006-2011)
Alfa Romeo (EU) Giulietta, 940 (2010-2021)
Alfa Romeo (EU) GT, 937 (2004-2011)
Alfa Romeo (EU) Mito, 955 (2008-2020)
Alfa Romeo (EU) Spider, 939 (2006-2011)

Chevrolet
Chevrolet (EU) (Daewoo) Cruze, J300 / J305 / J308 (2009-2014)
Chevrolet (EU) (Daewoo) Orlando, J309 (2010-2014)
Chevrolet (EU) (Daewoo) Trax / Tracker (2013-2014)
Chevrolet (EU) (Daewoo) Aveo, T300 (2011-2014)
Chevrolet (EU) (Daewoo) Malibu, V300 (2011-2015)
Chevrolet (USA / CAN) Cruze, J300 (2010-2016)
Chevrolet (USA / CAN) Cruze (2016-2020)
Chevrolet (USA / CAN) Sonic, T300 (2012-2020)

Opel
Opel ADAM, M13 (2013-2019)
Opel Astra H, A04 (2004-2010)
Opel Astra H TwinTop, A04 (2006-2010)
Opel Astra J, P10 (2009-2018)
Opel Astra K, B16 (2015-2022)
Opel Cascada, W13 (2013-2019)
Opel Corsa D, S07 (2006-2015)
Opel Corsa E, X15 (2015-2019)
Opel Insignia A, G09 (2008-2017)
Opel Insignia B, Z18 (2017-2022)
Opel Meriva A, X03 (2003-2010)
Opel Meriva B, S10 (2010-2017)
Opel Mokka, J13 (2012-2016)
Opel Mokka X, J13 (2016-2019)
Opel Zafira B, A05 (2005-2014)
Opel Zafira C, P12 (2012-2019)
Opel Signum, Z03 (2003-2008)
Opel Vectra C, Z02 (2002-2009)

Vauxhall
Vauxhall ADAM, M13 (2013-2019)
Vauxhall Astra H, A04 (2004-2010)
Vauxhall Astra H TwinTop, A04 (2006-2010)
Vauxhall Astra J, P10 (2009-2018)
Vauxhall Astra K, B16 (2015-2022)
Vauxhall Cascada, W13 (2013-2019)
Vauxhall Corsa D, S07 (2006-2015)
Vauxhall Corsa E, X15 (2015-2019)
Vauxhall Insignia A, G09 (2008-2017)
Vauxhall Insignia B, Z18 (2017-2022)
Vauxhall Meriva A, X03 (2003-2010)
Vauxhall Meriva B, S10 (2010-2017)
Vauxhall Mokka, J13 (2012-2016)
Vauxhall Mokka X, J13 (2016-2019)
Vauxhall Zafira B, A05 (2005-2014)
Vauxhall Zafira C, P12 (2012-2019)

Fiat
Fiat (EU) Bravo, 198 (2007-2015)
Fiat (EU) Croma, 194 (2005-2010)
Fiat (EU) Grande Punto, 199 (2005-2011)
Fiat (EU) Linea, 323 (2007-2014)
Fiat (EU) Punto Evo, 199 (2009-2012)

SAAB
Saab 9-5 (2010-2011)

As M32 gearbox rebuild and repair specialists, Eco Torque is proud to offer genuine gearbox parts as well as high quality aftermarket alternatives throughout its store.

Being one of the first companies in the UK to offer the M32 bearing and end-case upgrade, we pride ourselves on mastering the repairs of the gearboxes we work on.

Browse Eco Torque's ever-evolving product range available to purchase online
at competitive prices.

If you cannot find the items you need or are unsure if the part is compatible with
your vehicle make and model, please send us your UK registration number or
VIN Code and we will direct you to the right part.

Reference Number: ET2348

Is 55491401 the correct 4th gear for M32 Gen 3?

Yes. 55491401 is the Vauxhall OEM 61-tooth 4th gear for M32 Gen 3 gearboxes (2016 onwards). It has a different specification to Gen 1 and Gen 2 variants.

What is the bore size of this gear?

This gear has a 39mm bore. Always confirm the bore size matches your existing gear when ordering.

Can this be used in a Gen 1 or Gen 2 M32?

No. The Gen 3 M32 uses an updated tooth form and synchromesh design that is not compatible with earlier generation gearboxes.

Why Choose Eco Torque?

As specialists in gearbox rebuilds and repairs, Eco Torque takes pride in offering genuine gearbox parts, high-quality aftermarket alternatives and competitive pricing.

Need Help Finding the Right Part?

If you are unsure whether this part is compatible with your vehicle, send us your UK registration number or VIN and we will help you find the correct part.