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NGK 92968 Spark Plug
| Brand | NGK 92968 |
|---|---|
| Resistance | 5000 |
| Ground Electrode Tip Design | Square platinum electrode - high ignitability |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Pre-Gap Size | .030 |
| Ground Electrode Quantity | 1 |
| Hex Size | 14 |
| Insulator Height | 52.50 |
| Manufacturer Heat Range | 8 |
| Seat Type | Tapered |
| Reach | 25.00 |
| Thread Diameter | 12.00 |
| Resistor Type | Yes |
| Part Number | Silnar8a7 |
| Stock Number | 92968 |
| Product line | Laser Iridium High Ignitability Spark Plug |
| Fits | Cadillac · 10 vehicles |
Laser iridium design. Iridium center electrode supports precise spark delivery and stable ignition.
High-ignitability tip. Square platinum ground electrode helps maintain consistent combustion performance.
OE-focused engineering. Built to original equipment standards from a major North American spark plug supplier.
Cross-references Edelmann 92968 for the same application. See all 1.
Laser Iridium Spark Plug
The NGK 92968 is a laser iridium spark plug built for high-ignitability OE applications. It combines an iridium center electrode with a square platinum ground electrode tip to support consistent ignition performance and stable operation.
Key Features
- Laser iridium design for precise spark delivery.
- Square platinum ground electrode tip with high-ignitability construction.
- Copper core center electrode and nickel ground electrode materials.
- Resistor type plug with 5,000 ohm resistance.
- Tapered seat, 12 mm thread diameter, and 0.030 pre-gap.
- NGK part number 92968 for direct identification.
Detailed Description
NGK 92968 is a spark plug engineered to meet original equipment standards for ignition systems that call for a high-ignitability design. The iridium center electrode, platinum ground tip, and resistor construction are specified to support reliable combustion and steady spark performance. This part number 92968 is listed for Cadillac CT5 and Cadillac CT6 applications, including 2021-2025 Cadillac CT5, 2020 Cadillac CT5, and 2016-2019 Cadillac CT6.
NGK is a major OE spark plug supplier in North America with long-standing manufacturing experience across automotive applications. For buyers searching for a Cadillac CT5 spark plug or Cadillac CT6 spark plug, NGK 92968 provides an OE-style replacement built around the listed heat range, reach, and tapered-seat design.
What It Is Used For
- Restoring ignition performance when the original spark plug is worn.
- Addressing misfire concerns related to plug wear or gap change.
- Supporting smooth combustion in high-ignitability ignition systems.
- Replacing a service-interval spark plug with the correct OE-style design.
Installation Notes and Tips
Verify the listed fitment before installation and confirm the tapered seat, 12 mm thread diameter, 25.00 reach, and 0.030 pre-gap match the engine specification. Use the vehicle service information for torque and gap verification procedures. This part cross-references Edelmann (e.g., 92968) for the same application.
Quality Assurance
NGK states that it manufactures to original equipment standards and supplies spark plugs for a wide range of domestic and import vehicles in North America. The 92968 part number is supported by NGK's OE-focused manufacturing and distribution network.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2025 | Cadillac | CT5 | 3.0L | V6 | 60,000 mi Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2024 | Cadillac | CT5 | 3.0L | V6 | 60,000 mi Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2023 | Cadillac | CT5 | 3.0L | V6 | 60,000 mi Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2022 | Cadillac | CT5 | 3.0L | V6 | 60,000 mi Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2021 | Cadillac | CT5 | 3.0L | V6 | 60,000 mi Factory Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2020 | Cadillac | CT5 | 3.0L | V6 | OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.030"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2019 | Cadillac | CT6 | 3.0L | V6 | OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2018 | Cadillac | CT6 | 3.0L | V6 | OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2017 | Cadillac | CT6 | 3.0L | V6 | OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
| 2016 | Cadillac | CT6 | 3.0L | V6 | OE Spark Plug Is High Ignitability. For Optimal Performance, Replace With High Ignitability Spark Plugs.; Gap 0.028"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium High Ignitability Spark Plug |
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