Genuine Bosch WR8AC Spark Plug (7902) – 14mm, 1/2" Reach for Air-Cooled VW & Porsche

Upgrade your ignition system with the industry-standard Genuine Bosch WR8AC (7902) Spark Plug. Engineered for reliability and consistent performance, these plugs are the factory-recommended replacement for classic air-cooled Volkswagen and Porsche engines.

Fitment Applications: This 14mm, 1/2" reach spark plug is designed for 1100cc–1600cc engines, including:

• Standard Beetle: 1954–1977

• Super Beetle: 1971–1979

• Karmann Ghia: 1956–1974

• Type 2 Bus: 1955–1971

• Type 3 (Squareback/Fastback/Notchback): 1962–1973

• VW Thing: 1973–1974

Technical Specifications:

• Thread Size: 14mm

• Reach: 1/2" (12.7mm)

• Pre-Gapped: .024" – Ready for immediate installation.

• Part Numbers: Bosch 7902 / WR8AC (Ref. P/N: 98-9932-B, WR8DP)

Installation Note: These plugs come with the terminal nut (resistor cap) installed. If you are using original-style spark plug wire ends, simply unthread the cap before installation. We recommend test-fitting your plug wires to the spark plug to confirm a secure connection before final torquing.

Sold individually.