Timing belt Opel Astra H Z17DTH (1.7 CDTI) — replacement interval and kits

Timing belt for Opel Astra H Z17DTH (1.7 CDTI, 2004–2010) — replacement interval, compatible kits from Gates / Continental / Dayco / SKF.

Engine Specifications

Timing Belt Intervallo di sostituzione

Replace at whichever comes first — mileage OR age.

Compatible Timing Belt Kits

Replacement Recommendations

1. Replace as a kit — always replace rollers and tensioner together with the belt.
2. Water pump — on the Z17DTH, the water pump is driven by the timing belt: replace it at the same time.
3. Torque settings — follow factory torque specs. Timing marks must align precisely.
4. Don’t cut corners — Gates, Continental, Dayco are proven brands for the Z17DTH.

Domande frequenti

When to replace the timing belt on Opel Astra H Z17DTH?

Every 150 000 km or 5 years — whichever comes first. Don’t delay: a broken belt typically causes major engine damage.

Should the water pump be replaced with the timing belt on Z17DTH?

Yes — the water pump is driven by the timing belt. Replacing both at the same time saves labour costs.

Which timing belt kit is best for Z17DTH?

Gates and Continental are the top choices. For Opel Z17DTH: Gates K015658XS, Continental CT1121K1.