Bosch 7501 Spark Plug

Reliable Ignition Performance for Select Dodge and Honda Models

The Bosch Nickel 7501 spark plug is engineered to deliver consistent ignition performance for a range of vehicles including Dodge, Honda, Hyundai, and more. Designed with durable nickel-yttrium and copper materials, this spark plug supports efficient combustion and reliable engine starts.

• Resistance rating of 6000 ohms for effective electrical noise suppression
• Standard ground electrode tip and configuration for dependable spark delivery
• Pre-gap size of 1.1 mm optimized for 4-cycle engines
• Flat seat type with a 14 mm thread diameter and 19 mm reach for precise fitment
• Center electrode made from nickel-yttrium and copper for durability
• Ceramic insulator material with non-projected design for heat resistance
• Hex size of 20.8 mm for easy installation and removal
• Manufacturer heat range of 7 suitable for various driving conditions

About the Bosch Nickel Spark Plug Line

The Bosch Nickel product line focuses on spark plugs that utilize nickel-based electrode materials, providing a balance of durability and cost-effectiveness. The Nickel 7501 spark plug features nickel-yttrium and copper in the center electrode and nickel in the ground electrode tip, ensuring stable ignition and resistance to electrode wear. This line is designed for standard ignition systems in 4-cycle engines, making it a practical choice for many passenger vehicles.

Technical Details and Compatibility

The Bosch 7501 spark plug is compatible with a variety of makes and models, including Dodge Ram 50, Honda Accord, Hyundai Elantra, Mitsubishi Eclipse, Nissan Maxima, Plymouth Reliant, Subaru Impreza, and Suzuki Swift. Its 14 mm thread diameter, 19 mm reach, and flat seat design ensure proper fitment and sealing in these engines. The resistor built into the plug helps reduce electromagnetic interference, protecting vehicle electronics.

Common Applications and Problem Solving

• Restores engine misfire issues caused by worn or fouled spark plugs
• Improves cold start performance in compatible Dodge and Honda vehicles
• Reduces ignition system electrical noise affecting radio and sensors
• Maintains consistent combustion for smoother engine operation
• Prevents electrode wear in standard ignition systems

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 1.1 mm as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the flat seat. The 20.8 mm hex size allows for standard spark plug socket use. It is recommended to replace spark plugs in pairs or sets to maintain balanced engine performance.

Quality Assurance and Warranty

Bosch spark plugs, including the Nickel 7501, are manufactured to meet strict quality standards for durability and performance. The use of ceramic insulators and nickel-based electrodes ensures resistance to heat and wear. While specific warranty details may vary, Bosch products typically come with a limited warranty covering manufacturing defects.