NGK Spark Plug - 55576026
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Product Information
Full details
This NGK Spark Plug (part number 55576026) is designed for vehicle owners seeking reliable ignition performance and fuel efficiency. Its key benefit is the platinum and iridium construction for extended lifespan and consistent spark. A potential caveat is that it is specifically designed for certain OPEL and VAUXHALL models, requiring verification of compatibility before purchase. Key features include a 0.7mm electrode gap, a platinum ground electrode, and an iridium middle electrode for optimal combustion.
All features
| Model Part Number | Z382 |
|---|---|
| Brand | Hella |
Extended Product Information
FAQs
What is the electrode gap for this spark plug?
The electrode gap for this NGK spark plug is 0.7 mm.
What type of electrodes does this spark plug have?
It features a platinum ground electrode and an iridium middle electrode.
Is this spark plug compatible with all vehicles?
No, this spark plug is specifically designed for certain OPEL and VAUXHALL models. Always verify compatibility with your vehicle's make, model, and year.
What are the tightening torque specifications?
The recommended tightening torque is between 20 Nm and 30 Nm.
How long should these spark plugs last?
Due to the platinum and iridium construction, these spark plugs are designed for extended service life compared to standard copper plugs. Refer to your vehicle's service manual for recommended replacement intervals.
What is the purpose of the resistor in the spark plug?
The resistor helps to suppress radio frequency interference (RFI) that can disrupt electronic systems in your vehicle, such as the radio or onboard computer.
Troubleshooting
Engine misfires or rough idling after installation
Ensure the spark plug was torqued correctly and the spark plug wire or coil pack is securely connected. Check for any damage to the wire or boot.
Check Engine Light illuminates
This could indicate a faulty spark plug or an issue with the ignition system. Ensure correct plug type was installed and consider having the ignition system professionally diagnosed.
Difficulty starting the engine
Verify correct spark plug installation and that all connections are secure. A weak spark or incorrect gap can cause starting issues.
Pros and Cons
Pros
- Extended service life due to platinum and iridium construction.
- Improved fuel efficiency and cleaner emissions.
- Consistent and strong spark for reliable starting and performance.
- Designed for specific OPEL and VAUXHALL models, ensuring a precise fit.
- Durable materials withstand high temperatures and pressures.
Cons
- Specific compatibility may limit its use in other vehicle brands or models.
- Requires professional installation or mechanical knowledge for proper fitment.
- Higher initial cost compared to standard copper spark plugs.
Setup, Compatibility & Care
Compatibility: This spark plug is specifically compatible with certain OPEL models (INSIGNIA Caravan, Astra J Sports Tourer (P10), ASTRA J, Mokka / Mokka X (J13), Meriva B (S10), INSIGNIA, INSIGNIA Stufenheck) and VAUXHALL models (Insignia Mk I (A) Schrägheck (G09), INSIGNIA Mk I (A) Estate, Insignia Mk I (A) Limousine (G09)). Always verify your vehicle's existing spark plug part number or consult your owner's manual or a parts specialist to confirm compatibility using OEM part numbers like 55576026 or 1214066.
Setup:
- Ensure the engine is cool.
- Disconnect the spark plug wires or coil packs from the old spark plugs.
- Use a spark plug socket wrench to remove the old spark plugs.
- Thread the new NGK spark plug in by hand to avoid cross-threading. Ensure it seats properly.
- Tighten the spark plug using a torque wrench to the manufacturer's specified range (20-30 Nm).
- Reconnect spark plug wires or coil packs.
Care: Spark plugs are not user-serviceable components in terms of cleaning or gapping after installation. Regular engine maintenance, including checking ignition systems and replacing spark plugs at recommended intervals (refer to vehicle service manual), is crucial for maintaining their performance.