Bosch 8513 Spark Plug

Bosch EVO Spark Plug for Modern Engines

Bosch EVO spark plug Part Number 8513 is built for modern gasoline engines that demand stable ignition under high cylinder pressure and elevated combustion stress. It is a direct-fit secondary ignition component for select Honda, Mazda, and Acura applications, including Honda Civic, Mazda CX-5, and Acura TLX coverage.

Key Features

• Bosch EVO line engineered for reliable ignition over a long service life
• High dielectric strength rated above 45 kV to resist irregular combustion events
• Fine-wire iridium center electrode for consistent spark delivery
• Platinum ground electrode tip with a J-gap configuration
• Resistor spark plug design with 6000 resistance
• Projected ceramic insulator for modern 4-cycle engine use
• 12 mm thread diameter, 14 mm hex size, flat seat, and 26.5 mm reach

Product Details

The Bosch EVO 8513 spark plug is engineered to meet the demands of turbocharged gasoline direct injection engines and other advanced powertrains that place higher stress on ignition components. Bosch uses an improved insulator design and strong dielectric performance to help the plug maintain stable operation when combustion becomes irregular, including conditions associated with mega knocking. The copper core construction, fine-wire iridium center electrode, and platinum ground tip are selected to support dependable spark performance and consistent combustion control. Bosch EVO spark plugs are developed and produced to OE-level quality standards, making Part Number 8513 a practical choice for drivers servicing Honda Civic, Mazda CX-5, Mazda 3, and related applications.

Vehicle Fitment

• Fits 2023-2026 Honda HR-V, N/A
• Fits 2021-2026 Mazda 3, N/A
• Fits 2025 Mazda 3 Sport, N/A
• Fits 2021-2023 Mazda 3 Sport, N/A
• Fits 2021-2025 Mazda CX-30, N/A
• Fits 2019-2025 Mazda CX-5, N/A
• Fits 2023-2025 Mazda CX-50, N/A
• Fits 2016-2024 Honda Civic, N/A
• Fits 2016-2023 Mazda CX-9, N/A
• Fits 2016-2022 Acura ILX, N/A
• Fits 2018-2021 Mazda 6, N/A
• Fits 2015-2020 Acura TLX, N/A
• Fits 2015-2019 Honda CR-V, N/A
• Fits 2013-2017 Honda Accord, N/A

Common Issues This Spark Plug Can Address

• Hard starting caused by worn or weakened spark plugs
• Misfire symptoms from degraded ignition performance
• Rough idle related to inconsistent spark delivery
• Reduced combustion stability in turbocharged direct-injection engines
• Service replacement for plugs showing normal wear over time

Installation Notes and Tips

Verify the thread diameter, reach, seat type, and heat range before installation. Use the correct torque specification for the engine and inspect ignition coils, boots, and wiring during service. For best results, confirm application by year, make, and model before installing Bosch EVO Part Number 8513 in Honda Civic, Mazda CX-5, or Acura TLX applications.

Quality Assurance

Bosch develops EVO spark plugs to OE-level standards and builds them for reliable ignition performance in demanding modern engines. Part Number 8513 is part of the Bosch EVO product line, which focuses on stable spark delivery and durability under high combustion stress.