Reconditioned Opel Astra 1.3 CDTi Gearbox – 5-Speed Manual – Ref. GM-5K

Reconditioned Opel Astra 1.3 CDTi Gearbox – Reference GM-5K

This reconditioned 5-speed manual gearbox is available for Opel Astra models fitted with the 1.3 CDTi diesel engine (1248 cm³), compatible with engine codes Z13DTH and A13DTE. Referenced as GM-5K, it replaces a worn or faulty gearbox with a unit that has been fully rebuilt in our workshop.

Signs That Your Gearbox Needs Replacing

There are several warning signs that Astra 1.3 CDTi owners should look out for: stiff or uncertain gear changes, crunching on second gear, juddering when engaging the clutch, unusual vibrations whilst driving, grinding noise in neutral, or an oil leak from the casing. These symptoms point to internal wear that warrants a full gearbox replacement rather than a one-off repair.

• Difficulty engaging a gear, particularly when cold
• Crunching or grinding during gear changes
• Vibrations or juddering felt under acceleration
• Visible oil leak beneath the vehicle
• Abnormal noise in neutral with the engine running

A Reconditioned Gearbox Built to a Rigorous Standard

Every GM-5K gearbox is fully stripped down, cleaned and inspected component by component. Gears, synchromesh rings, bearings and seals are systematically replaced as required. The unit is then reassembled to manufacturer tolerances and bench-tested before dispatch, ensuring performance that matches the original specification.

Exchange Basis – No Waiting Around

This gearbox is sold on an exchange basis: the old unit is not collected before delivery. The reconditioned GM-5K gearbox is dispatched first, so the garage is never left without a part and the vehicle is not kept off the road unnecessarily. The old gearbox, with its casing intact, is only collected once the new unit has been delivered and fitted. Return of the old unit is required, in accordance with our Terms and Conditions.

Compatibility

This GM-5K reference is suitable for Opel Astra models fitted with the 1.3 CDTi engine identified by codes Z13DTH and A13DTE, with an engine capacity of 1248 cm³.

Warranty and Payment

This gearbox, rebuilt to 0 km, comes with a 24-month parts warranty, subject to fitting by a qualified professional. Payment can be spread over multiple instalments – pay in up to 10 instalments.

EDEN BOITES supports you every step of the way, from your initial quote through to collection of the old unit.