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F40 (6 Speed)

F40 (6 Speed)

Shop our entire F40 gearbox parts catalogue.

UK Transmission Specialist
Correct Code Verification
Fast UK Dispatch
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About the F40 (6 Speed)

The F40 is a GM/Saab-developed six-speed manual gearbox, rated to around 400 Nm and fitted to higher-torque Vauxhall, Opel, Saab, Alfa Romeo, Fiat and Chevrolet models from the mid-2000s. Eco Torque stocks the parts to repair or rebuild one: 2nd-gear repair kits, synchromesh hubs and reverse synchronisers, master rebuild kits, clutch guide tubes, and the correct gearbox oil.

Browse the matching F40 gearbox oil. Not sure which parts you need? Send us your registration or VIN and we'll help.

Fits: Vauxhall / Opel Astra, Insignia, Vectra, Signum, Cascada, Antara · Saab 9-3, 9-5 · Alfa Romeo 159, Brera, Spider · Fiat Bravo, Ducato · Chevrolet Cruze, Captiva · Cadillac BLS

Frequently Asked Questions

What does a gearbox code mean? +
Gearbox codes are manufacturer codes stamped on the gearbox casing that identify the exact transmission unit. These codes are essential for ordering the correct parts — components vary between gearbox versions even within the same vehicle model. Check your gearbox casing or ask our team to help identify your code.
How do I find my gearbox code? +
Your gearbox code is usually stamped or engraved on the gearbox casing. On VAG vehicles it is typically 2 to 3 letters. You can also find it in your vehicle service history, via a dealer lookup using your VIN, or by contacting our team with your registration.
What parts are available for this gearbox? +
We stock a wide range of parts including bearings, synchro rings, seals, gaskets, shafts, rebuild kits and gearbox oil. Browse above or contact us if you need a specific part not listed.
Are your gearbox parts OEM quality? +
Yes — we supply parts from trusted manufacturers to OEM specification. Many of our parts are sourced from the same suppliers used by the original vehicle manufacturers. We also stock genuine OEM and premium aftermarket options on key lines.
How do I know the parts will fit my vehicle? +
Always verify using your gearbox code rather than just the vehicle model, as gearbox variants can differ. Our team is available to cross-reference your gearbox code and confirm compatibility before you order.
Can I get a complete rebuild kit for this gearbox? +
Yes — we stock rebuild kits for popular gearbox codes that include the major wear parts needed for a full rebuild. These bundles ensure you have everything needed in one order. Contact us if you need a custom kit.
How quickly are gearbox parts dispatched? +
Most items in stock are dispatched next working day from our UK warehouse, with next-day delivery available on qualifying orders. Contact us to confirm availability on specific parts.
Do you offer technical support for gearbox rebuilds? +
Yes — our team has hands-on experience with gearbox rebuilds and can advise on parts selection, fitment, and rebuild procedures. Contact us by phone or email with your query.

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