Bosch 8193 Spark Plug

Bosch OE Fine Wire Double Platinum Spark Plug 8193

Bosch 8193 is an OE Fine Wire Double Platinum spark plug built for steady ignition performance and extended service life. It uses platinum on the center electrode and a platinum inlay on the ground electrode to help reduce gap erosion and maintain consistent firing characteristics.

Compatible With select Volkswagen applications, including Jetta, Beetle, Golf, and Passat models. This Bosch OE Fine Wire Double Platinum design follows original equipment specifications for double platinum spark plugs and is built for drivers who want OE-style ignition performance in daily-driven vehicles.

Key Features

• Part number 8193 Bosch spark plug for secondary ignition service
• Fine wire center electrode with platinum tip for consistent spark delivery
• Platinum ground electrode inlay to reduce gap wear over time
• 6000 ohm resistor design for ignition noise suppression
• 14 mm thread diameter, 19 mm reach, flat seat, and 16 mm hex
• Projected ceramic insulator with J-gap ground configuration
• Heat range 7 with pre-gap size of .9
• OE Fine Wire Double Platinum line for OE-style replacement needs

Detailed Description

Bosch OE Fine Wire Double Platinum spark plugs are engineered around OE spark plug technology, combining a platinum firing pin on the center electrode with a platinum inlay on the ground electrode. That construction helps control electrode wear, preserve the gap, and support stable ignition performance over time. The Bosch 8193 is a direct-fit style spark plug for select Volkswagen Jetta, Volkswagen Beetle, Volkswagen Golf, and Volkswagen Passat applications listed in the fitment data.

The plug features a copper core center and ground electrode, a projected ceramic insulator, a non-removable nut terminal, and a resistor design for cleaner electrical operation. For shoppers searching for a Bosch 8193 spark plug for Volkswagen Jetta 2008-2015, Volkswagen Beetle 2009-2014, Volkswagen Golf 2010-2014, or Volkswagen Passat 2002-2004 and 2012-2014, this part matches the OE Fine Wire Double Platinum specification.

Common Issues This Part Can Address

• Hard starting caused by worn spark plug electrodes
• Rough idle from inconsistent ignition firing
• Misfire symptoms related to excessive gap erosion
• Reduced fuel economy from degraded spark performance
• Ignition noise concerns in resistor-equipped systems

Installation Notes and Tips

Verify the thread diameter, reach, seat type, heat range, and pre-gap specification before installation. Use the vehicle service information for the correct torque procedure and inspect ignition coils, boots, and wiring while servicing the plugs. Confirm fitment by model year and engine application before ordering Bosch part number 8193.

Quality Assurance

Bosch builds the OE Fine Wire Double Platinum line to meet original equipment specifications for double platinum spark plugs. The platinum-on-platinum electrode design is used to improve durability and help maintain performance life in the listed Volkswagen applications. This part cross-references Bosch 8193 for the same application.