Bosch 6743 Platinum+4 Spark Plug FGR7DQP

The Bosch 6743 Platinum+4 spark plug delivers premium ignition performance with revolutionary surface air-gap firing technology. Engineered with a platinum center electrode and four yttrium-enhanced ground electrodes, this spark plug provides superior combustion efficiency and extended service life up to 100,000 miles.

Key Features:

• Surface air-gap technology with multiple spark paths for the most powerful spark and optimal engine performance
• Four yttrium-enhanced ground electrodes reduce gap wear and oxidation for extended performance life
• Platinum center electrode provides 2X longer service life compared to standard copper plugs
• Factory pre-gapped at 0.063 inches (1.6mm) - no adjustment required for easy installation
• 14mm thread diameter with 19mm (3/4 inch) reach and gasket seat type
• Built-in resistor (3000 ohms) prevents electrical interference
• Heat range 7 for optimal performance across various operating conditions
• Nickel-plated rolled threads provide corrosion resistance - no anti-seize required
• 5/8 inch (16mm) hex size for standard installation

This premium spark plug delivers improved fuel efficiency, smoother acceleration, and maximum engine power. The ribbed insulator design seals tightly against the wire boot to prevent misfires due to flash-over. Recommended torque specifications: 15-29 lb-ft for cast iron heads, 15-22 lb-ft for aluminum heads.

OEM Cross-References: BMW 12120037607, 12120037608, 12120141871, 12121435955; Land Rover LR021006; Bosch FGR7DQP, 0242236562, 0242235626