Bosch 96312 Spark Plug

Bosch OE Fine Wire Double Iridium Spark Plug

Bosch OE Fine Wire Double Iridium Spark Plug 96312 is built for drivers who want precise ignition performance and extended service life in a direct-replacement spark plug. Its fine-wire iridium center electrode and laser-welded ground electrode are engineered for strong ignitability, stable combustion, and consistent operation in modern engines.

The Bosch OE Fine Wire Double Iridium line focuses on OE-style fit and durable electrode construction for demanding applications, including Cadillac CT4, Cadillac ATS, Cadillac CTS, Cadillac XTS, Ford F-150, and Ford Mustang applications listed below.

• Part number: 96312
• Double iridium design with an iridium center electrode firing pin
• Laser-welded tapered ground electrode with iridium alloy inlay
• Fine-wire electrode layout for reliable spark initiation
• Resistor spark plug with 6000 resistance
• Pre-gapped to .8; do not gap before installation
• 14 mm thread diameter, 25 mm reach, 16 mm hex size
• Tapered seat, projected insulator, ceramic insulator material
• 4-cycle spark plug construction

Detailed Product Overview

Bosch 96312 is an OE Fine Wire Double Iridium spark plug designed around a nickel-yyttrium and copper core with platinum-iridium and nickel-yyttrium ground electrode tip materials. The result is a plug built for dependable ignition performance and long service life in modern gasoline engines. The tapered ground electrode and ultra-fine wire design help deliver a concentrated spark kernel, while the resistor design supports stable electrical performance in ignition systems that require controlled interference suppression.

This spark plug is listed for 2022-2024 Cadillac CT4, 2023 Ford F-150, 2021-2022 Ford Mustang, 2016-2019 Cadillac ATS, 2014-2019 Cadillac CTS, and 2014-2019 Cadillac XTS. If you are searching for a Bosch 96312 spark plug for Cadillac CTS or a Bosch 96312 spark plug for Ford Mustang and Ford F-150 applications, verify engine-specific requirements before ordering.

What This Spark Plug Helps Address

• Hard starting caused by worn or inconsistent spark plugs
• Rough idle from degraded ignition performance
• Misfire conditions related to electrode wear
• Reduced throttle response from weak spark delivery
• Maintenance intervals that call for long-life iridium plugs

Installation Notes and Tips

Install Bosch 96312 only in applications that call for this exact plug specification. The gap is preset, so do not regap the plug before installation. Confirm the tapered seat, 14 mm thread diameter, 25 mm reach, and 16 mm hex size match the engine requirements. Use proper spark plug service procedures and torque specifications for the vehicle.

Compatible With 2022-2024 Cadillac CT4, N/A; 2023 Ford F-150, N/A; 2021-2022 Ford Mustang, N/A; 2016-2019 Cadillac ATS, N/A; 2014-2019 Cadillac CTS, N/A; 2014-2019 Cadillac XTS, N/A.

Quality Assurance

Bosch OE Fine Wire Double Iridium plugs are engineered to meet the demands of OE-style ignition systems with durable electrode materials and precision construction. Part number 96312 is built for consistent spark performance and long-term service in the listed applications.