NGK
NGK Spark Plug
NGK Spark Plug
Part number: 07RW4
Regular price
$9.08 USD
Regular price
Sale price
$9.08 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Spark Plug by NGK. Check the part number and details below against what you are replacing. Ignition parts create and deliver the spark that lights the fuel in each cylinder.
Quick facts
- Brand: NGK
- Part type: Ignition part
Listed fitment
- 1989 - 1990 Maserati 430i Base
- 1983 - 1987 Maserati Biturbo Base
- 1974 - 1987 Porsche 911 Base
- 1974 - 1989 Porsche 911 Carrera
- 1989 Porsche 911 Carrera 4, Speedster
- 1973 Porsche 911 E, T
- 1973 - 1977 Porsche 911 S
- 1976 - 1989 Porsche 911 Turbo Carrera
- 1978 - 1979 Porsche 930 Turbo
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

NGK ignition part: what to know
Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.
Fitment notes
- Specs, lead time and warranty come from NGK and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentWhat else to plan for
- Plug wires or boots. Old wires and boots crack.
More for your car: Spark Plugs · All Spark Plugs · Batteries & electrical
Questions about ignition part
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How often should spark plugs be replaced?
Your maintenance schedule lists it; long-life plugs often go 60,000 to 100,000 miles.
Where do specs and warranty details come from?
From NGK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
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