Bosch 9606 Spark Plug

Bosch OE Fine Wire Double Iridium 9606

Bosch OE Fine Wire Double Iridium spark plug 9606 is built for drivers who want OE-style fitment with a fine-wire iridium design for strong ignitability and long service life. It is a tapered-seat, resistor spark plug with a preset gap, making it a direct replacement for a wide range of Ford, Mercury, Lincoln, Cadillac, Jaguar, Mazda, Buick, Pontiac, and Aston Martin applications.

The Bosch OE Fine Wire Double Iridium line focuses on precise spark delivery and durability. The ultra-fine wire center electrode, laser-welded ground electrode, and iridium-alloy firing pin are engineered to maintain consistent performance over time, while the tapered ground electrode design supports efficient combustion in demanding 4-cycle engines.

Key Features

• Part number 9606 from Bosch OE Fine Wire Double Iridium
• Iridium center electrode tip for stable ignition performance
• Laser-welded ground electrode with iridium-alloy inlay
• Tapered ground electrode tip design for efficient spark exposure
• Preset gap; do not gap before installation
• Resistor plug with 6000 ohm resistance
• Tapered seat, 14 mm thread diameter, 17.5 mm reach, 16 mm hex
• Ceramic insulator and non-projected insulator type

Product Details

Bosch 9606 is a 4-cycle spark plug built around a fine-wire double iridium design for OE replacement service. The nickel-yttrium and copper core construction, platinum-iridium and nickel-yttrium ground tip material, and preset pre-gap help maintain consistent ignition characteristics in engines that call for this specification. This part is a direct service option for vehicles such as the Ford F-150, Ford Explorer, Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis, along with many other listed applications.

This part cross-references NGK 7092 for the same application.

What It Helps Address

• Hard starting caused by worn spark plug electrodes
• Rough idle from inconsistent spark delivery
• Misfire conditions related to plug wear or gap drift
• Reduced throttle response from weak ignition performance
• Service intervals shortened by conventional plug wear

Installation Notes

• Compatible With listed Ford, Mercury, Lincoln, Cadillac, Jaguar, Mazda, Buick, Pontiac, and Aston Martin applications only
• Do not gap this spark plug; the gap is preset from the factory
• Verify engine application, heat range, thread diameter, reach, and seat type before installation
• Use the vehicle service information for torque and removal procedures
• Inspect ignition coils, boots, and wires during spark plug service to avoid repeat misfire concerns

Quality Assurance

Bosch OE Fine Wire Double Iridium spark plugs are engineered for both performance and long service life, with laser-welded electrode construction and iridium-alloy materials used to support consistent ignition over extended use.