
NGK Spark Plug Z20LER (Model: ZFR5F) - 10 Pack
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Product details
Optimize your engine's performance with the NGK Spark Plug Z20LER, specifically designed for Astra H 2.0 models. This pack includes 10 high-quality spark plugs, perfect for both car owners and mechanics who demand reliability and efficiency.
Key Benefits:
- Enhanced engine performance and efficiency
- Perfect fit for Astra H 2.0 (Z20LER) models
- Long-lasting durability with a nickel central electrode
- Quick and easy installation process
Technical Specifications:
- Hex Size: 16 mm
- Thread Diameter: M14 x 1.25
- Thread Length: 0.75 inches (19.0 mm)
- Electrode: Nickel central electrode with 1 ground electrode
- Resistance: 5 kOhm for reduced interference
- Spark Position: 0.2 inches (5.0 mm) from the seat
- Connection: Fixed SAE connection
How to Use:
Ensure that your engine is cool before installation. Remove the old spark plugs with a 16 mm socket. Carefully install the new spark plugs, ensuring a tight fit without over-torquing. Regularly check and replace spark plugs as needed to maintain optimal engine performance.
Checking fitment
Match the part number above against the part you are replacing, or check the models and engines named on this page against your vehicle. If the number matches, the part matches.
Shipping
Orders leave the warehouse in 1–2 business days. Free shipping on every US order.
Returns & warranty
30 days to return an unused part in its original packaging. Manufacturer warranty of 12 months against defects.









