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Reliable ignition performance for various vehicles
The Autolite Spark Plug 4163 is engineered to provide exceptional ignition performance for a wide range of vehicles, including Japanese, European, and Korean models. With over a century of experience in the automotive industry, Autolite ensures that each spark plug meets or exceeds original equipment (OE) quality standards, delivering reliable starts, improved fuel efficiency, and smooth acceleration.
Features
- Copper-Glass Seal bonds the insulator and terminal post to ensure full voltage at the spark gap with a gas-tight seal
- Multi-rib insulator minimizes the risk of "flash-over"
- One-piece terminal post enhances strength and durability
- Cold-formed steel shell with precision rolled threads for secure installation
- Full copper core electrode for optimal performance in all conditions
- Designed to provide quick starts, good fuel economy, and smooth acceleration
- Resistor included to reduce radio frequency interference (RFI) and electrode erosion
Specifications
- Manufacturer: Autolite Spark Plugs
- Manufacturer Part Number: 4163
- Resistor: Yes
- Electrode Type: OEM
- Electrode Core Material: Copper
- Electrode Tip Material: Nickel Alloy
- Insulator Type: Projected
- Thread Size (IN): 0.472 Inch
- Quantity: Single
- Reach: 3/4 Inch
- Seat Type: Gasket
- Wrench Diameter: 11/16 Inch
Compatibility/Fit
- 1986-1989 Ferrari 328 GTB
- 1986-1989 Ferrari 328 GTS
- 1993-1994 Ferrari 348 GTB
- 1993-1994 Ferrari 348 GTS
- 1993-1995 Ferrari 348 Spider
- 1990-1992 Ferrari 348 TB
- 1989-1992 Ferrari 348 TS
- 1995-1995 Ferrari 512 M
- 1992-1994 Ferrari 512 TR
- 1986-1988 Ferrari Mondial 3.2
- 1989-1993 Ferrari Mondial t
- 1985-1991 Ferrari Testarossa
- 2008-2008 Porsche 911
Shipping & Returns
- This product ships to the US and Canada.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition.
