Bosch 9652 Spark Plug

Overview of Bosch OE Fine Wire Double Iridium Spark Plug 9652

The Bosch OE Fine Wire Double Iridium spark plug 9652 is engineered for reliable ignition performance in a wide range of vehicles including Acura, Honda, Toyota, and Ford models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine responsiveness.

• Double iridium center and ground electrode tips for enhanced durability
• Tapered ground electrode tip design for improved spark exposure
• Standard ground configuration with a single ground electrode
• Pre-gap size of 1.1 mm optimized for 4-cycle engines
• Flat seat type with 14 mm thread diameter and 19 mm reach
• Resistor included to reduce electrical noise interference
• Ceramic insulator with non-projected design for heat resistance
• Hex size of 16 mm for standard installation tools
• Manufacturer heat range rating of 8 for balanced thermal performance

Detailed Product Description and Attributes

The Bosch OE Fine Wire Double Iridium spark plug 9652 features a center electrode made from iridium with a nickel-yttrium and copper core, providing excellent conductivity and wear resistance. The ground electrode tip combines platinum-iridium and nickel-yttrium materials, enhancing longevity and consistent spark delivery. Its tapered ground electrode tip design increases spark exposure, which can improve ignition efficiency and fuel combustion. The spark plug’s flat seat and 14 mm thread diameter ensure compatibility with many OEM engine designs, while the 19 mm reach fits a variety of engine cylinder heads.

This spark plug is designed for 4-cycle engines and includes a built-in resistor to minimize radio frequency interference, supporting stable engine control module operation. The ceramic insulator is non-projected, offering reliable insulation and heat dissipation. With a manufacturer heat range of 8, this spark plug balances heat tolerance and fouling resistance, suitable for many passenger vehicles.

OE Fine Wire Double Iridium Brand Line

The OE Fine Wire Double Iridium line by Bosch focuses on delivering precise ignition performance through the use of fine wire iridium electrodes on both the center and ground sides. This design reduces voltage requirements and improves spark efficiency, which can contribute to smoother engine operation and extended spark plug life. The 9652 spark plug exemplifies this technology, making it a suitable replacement part for various Acura, Honda, Toyota, and Ford models requiring durable and consistent ignition components.

Compatible Vehicles and Common Applications

• Compatible with Acura 200SX, 240SX, 300ZX
• Fits Honda Accord, CRX, Prelude, Integra
• Suitable for Toyota Camry, Corolla, Celica
• Works with Ford Ranger, Explorer, Thunderbird
• Also compatible with Buick, Cadillac, Dodge, Jeep, Nissan, and more

Common Issues Addressed by Bosch Spark Plug 9652

• Engine misfires due to worn or fouled spark plugs
• Reduced fuel efficiency from incomplete combustion
• Hard starting or rough idling conditions
• Ignition system interference affecting engine sensors
• Premature spark plug wear in high-heat environments

Installation Notes and Tips

When installing the Bosch OE Fine Wire Double Iridium spark plug 9652, ensure the pre-gap size of 1.1 mm is maintained or adjusted according to vehicle manufacturer specifications. Use a 16 mm socket wrench for proper torque application to avoid damage to the flat seat threads. It is recommended to replace spark plugs in sets to maintain consistent engine performance. Avoid over-tightening to prevent thread damage and ensure proper sealing.

Quality Assurance and Warranty

Bosch spark plugs are manufactured to meet strict OEM standards, ensuring reliable performance and durability. The OE Fine Wire Double Iridium spark plug 9652 includes a built-in resistor to reduce electrical noise and is constructed with high-quality materials such as iridium and platinum for extended service life. Bosch typically offers a limited warranty on their ignition components; please refer to Bosch’s official documentation for specific warranty details.