F17 Gearbox Output Pinion Shaft (19T) 5716032 / 55564904 W374

F17 Gearbox Output Pinion Shaft (19T) 5716032 / 55564904 – Vauxhall Opel Chevrolet Saab

Genuine OEM output pinion shaft (19 teeth, Wide Ratio) for the F17 5-speed manual gearbox. Part numbers 5716032 / 55564904. Fits the F17 W374 wide-ratio gearbox as fitted to Vauxhall, Opel, Chevrolet and Saab models. Manufactured by/for Vauxhall/GM to OEM specification and sourced in the UK.

OE Part Numbers: 5716032 · 55564904

Specification: 19 Teeth, Wide Ratio (W374)

Brand/Origin: Vauxhall (UK OEM)

Gearbox: F17 (5-Speed Manual)

Vehicle Compatibility (F17 Gearbox):

• Chevrolet: Aveo T300 (2011–2014) · Cruze J300/J305/J308 (2009–2014) · Sonic T300 (2012–2020)
• Opel: ADAM M13 (2013–2019) · Agila A H00 (2000–2008) · Astra G T98 (1998–2005) · Astra G Cabrio T98 (2001–2005) · Astra H A04 (2004–2010) · Astra J P10 (2009–2018) · Astra K B16 (2015–2022) · Combo C Tour (2001–2012) · Corsa C X01 (2000–2007) · Corsa D S07 (2006–2015) · Corsa E X15 (2015–2019) · Meriva A X03 (2003–2010) · Meriva B S10 (2010–2017) · Signum Z03 (2003–2008) · Tigra TwinTop X04 (2004–2010) · Vectra B J96 (1995–2002) · Vectra C Z02 (2002–2009) · Zafira A T98 (1999–2005) · Zafira B A05 (2005–2014)
• Vauxhall: ADAM M13 (2013–2019) · Astra G T98 (1998–2004) · Astra H A04 (2004–2010) · Astra J P10 (2009–2018) · Astra K B16 (2015–2022) · Combo C Tour (2001–2012) · Corsa C X01 (2000–2007) · Corsa D S07 (2006–2015) · Corsa E X15 (2015–2019) · Meriva A X03 (2003–2010) · Meriva B S10 (2010–2017) · Signum Z03 (2003–2008) · Tigra TwinTop X04 (2004–2010) · Vectra C Z02 (2002–2009) · Zafira A T98 (1999–2005) · Zafira B A05 (2005–2014)
• Saab: 9-3 Cabriolet (2003–2011) · 9-3 Sport (2002–2012)

What is the F17 gearbox output pinion shaft?

The output pinion shaft (also called the output shaft or layshaft pinion) carries the final-drive pinion gear that meshes with the differential crown wheel. The number of teeth on the pinion (19T in the W374 wide-ratio variant) determines the final drive ratio. A worn or damaged pinion shaft causes noisy operation, binding, or gear-selection difficulty.

What does Wide Ratio (W374) mean?

The W374 designation refers to the F17 wide-ratio gear set, which uses a higher final drive ratio (more spacing between gear ratios) compared to the close-ratio version. The wide-ratio gearbox is more common in smaller-engined, everyday use vehicles, while close-ratio boxes are typically found in sportier or higher-powered models.

What causes the F17 output pinion shaft to fail?

High mileage, oil starvation, or the use of incorrect gearbox oil can cause spline wear, gear tooth pitting, or shaft fatigue. Symptoms include excessive gearbox noise, difficult gear selection, or metallic debris in the gearbox oil.

Is this a new OEM part or reconditioned?

This is a new, genuine OEM-specification part. It is sourced as new old stock (NOS) or current OEM supply — not reconditioned or remanufactured.

Do I need any other parts when replacing the output pinion shaft?

Shaft replacement typically requires new bearings for the shaft positions, fresh gearbox oil, and potentially new seals at the output flange. Contact Eco Torque and we can supply a full parts list for your F17 rebuild.

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.

Reference Number: ET2314