Bosch 8112 Spark Plug

Reliable Spark Plug for Acura, Ford, Honda, and More

The Bosch OE Fine Wire Double Platinum 8112 spark plug is engineered to deliver consistent ignition performance for a variety of vehicles including Acura Accord, Ford Ranger, Honda Civic, and Jeep Grand Cherokee. Designed with durable platinum electrodes and a ceramic insulator, this spark plug supports efficient combustion and long service life.

• Double platinum center and ground electrode tips for enhanced durability
• Standard ground electrode tip and configuration for reliable spark delivery
• Pre-gap size of 1.1 mm optimized for precise ignition
• Flat seat type with 14 mm thread diameter and 19 mm reach for proper fitment
• Resistor type spark plug with 6000 ohm resistance to reduce electrical noise
• Hex size 16 mm for easy installation and removal
• Manufacturer heat range 7 suitable for a range of 4-cycle engines
• Ceramic projected insulator for improved voltage insulation and heat dissipation

About the Bosch OE Fine Wire Double Platinum Product Line

The OE Fine Wire Double Platinum line from Bosch features spark plugs with fine wire platinum electrodes on both the center and ground electrodes. This design enhances electrode durability and provides stable ignition performance over time. The double platinum construction reduces electrode wear compared to conventional plugs, making it suitable for vehicles requiring long-lasting ignition components. The 8112 part number is part of this line, offering a balance of performance and longevity for compatible models.

Technical Details and Compatibility

The Bosch 8112 spark plug features a nickel-yttrium and copper core center electrode with a platinum tip, paired with a platinum and nickel-yttrium ground electrode tip. The ceramic projected insulator improves voltage insulation and heat management. With a thread diameter of 14 mm, a reach of 19 mm, and a flat seat type, this spark plug fits a variety of vehicles including Acura 626, Dodge Ram 1500, Ford Ranger, Honda CR-V, Jeep Wrangler, Mazda MPV, Mitsubishi Eclipse, Ram 2500, and Saturn Vue.

Common Applications and Issues Addressed

• Restores proper ignition in vehicles experiencing misfires or rough idling
• Improves fuel efficiency by ensuring consistent spark delivery
• Reduces engine hesitation during acceleration
• Helps maintain smooth engine performance in 4-cycle engines
• Prevents ignition system interference with resistor design

Installation Notes and Tips

When installing the Bosch 8112 spark plug, ensure the pre-gap size of 1.1 mm is maintained for optimal performance. Use a 16 mm socket for installation and torque to manufacturer specifications to avoid damage. The flat seat design requires proper seating to prevent compression leaks. It is recommended to replace spark plugs in sets to maintain balanced engine operation.

Quality Assurance and Warranty

Bosch spark plugs are manufactured to meet strict OEM standards for fit, form, and function. The OE Fine Wire Double Platinum 8112 spark plug includes a resistor to minimize electrical interference and is built with high-quality materials such as platinum electrodes and ceramic insulators. While specific warranty details vary by region, Bosch products typically come with a limited warranty covering defects in materials and workmanship.