1986-1991 C4 Spark Plug Bosch Platinum Plus 4002 FR8DPX+
Maintain performance and reliable ignition in your C4 with a Bosch Platinum Plus spark plug engineered for consistent starts and smooth operation.
This Corvette spark plug is designed for 1986-1991 C4 models and delivers dependable ignition performance to support smooth acceleration, efficient combustion, and reliable engine operation. It is an excellent replacement choice for maintaining proper engine function and drivability.
Featuring platinum center electrode technology, this spark plug provides quicker starts and improved fuel efficiency, while the yttrium v-profile ground electrode helps extend service life compared to OE-style plugs. Designed for consistent performance, it also supports reliable cold starts with lower ignition voltage requirements.
Fits the Following Corvette Models:
C4 Coupes and Convertibles: 1986, 1987, 1988, 1989, 1990, 1991.
Features / Benefits:
• Bosch Platinum Plus spark plug FR8DPX+ 4002 for C4 Corvette applications
• Fits 1986-1991 C4 Corvette coupe and convertible models
• Platinum center electrode for quicker starts and smoother acceleration
• Yttrium v-profile ground electrode for extended service life
• Helps improve fuel economy and combustion efficiency
• Reliable cold starts with lower ignition voltage requirement
• Sold individually
Material / Finish:
Precision-engineered spark plug with platinum center electrode and yttrium-enhanced ground electrode for durability and consistent ignition performance.
Also known under these part numbers: (For reference only)