Fuel Injector Bushing / Sleeve – Opel Z22SE | OEM 12576332 5817583
The fuel injector bushing (sleeve / glass) is installed in the cylinder head to seal the injector bore. When it wears or fails, fuel leaks at the injector seat — causing rough idle, fuel consumption issues, and fuel smell. This replacement bushing seals the injector bore correctly.
Fits OEM #12576332.
When to Inspect This Part
- rough or unstable idle
- misfire or uneven engine operation
- fuel odor or leakage around the injector
- increased fuel consumption
What's Included
- 1 × Fuel Injector Bushing / Sleeve
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- Opel SIGNUM (Z03)
- Opel VECTRA-C (Z02)
- SAAB 9-3 (9440) (SBD)
Part Number / PN
12576332, 5817583, 12571865
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 12576332 is the primary fitment check.
FAQ
How do I confirm fitment for this Fuel Injector Bushing / Sleeve?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 12576332. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Fuel Injector Bushing / Sleeve?
Confirmed symptoms include rough or unstable idle, misfire or uneven engine operation, fuel odor or leakage around the injector, increased fuel consumption. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Fuel Injector Bushing / Sleeve?
The confirmed kit contents are: 1 × Fuel Injector Bushing / Sleeve.
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
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Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings