
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | Denso | 
| Part Number | 5023 | 
| Part Description | Original U-Groove Nickel Spark Plug | 
| Center Electrode Core Material | Copper | 
| Center Electrode Material | Nickel | 
| Gap | 0.060" | 
| Ground Configuration | Standard | 
| Ground Electrode Core Material | Nickel | 
| Ground Electrode Quantity | 1 | 
| Ground Electrode Tip Design | U-Groove | 
| Heat Range | 16 | 
| Hex Size | 16 mm | 
| Resistance | 5 kOhm | 
| Spark Plug Seat Style | Tapered | 
| Thread Diameter | 0.551" | 
| Thread Reach | 18 mm | 
| UPC | 042511050235 | 
| Year Make Model | Trim | Engine | 
|---|---|---|
| 1989-1993 Buick Century | All Trims | 6 Cyl 3.3L | 
| 1994 Buick Century | All Trims | 4 Cyl 2.2L | 
| 1994-2005 Buick Century | All Trims | 6 Cyl 3.1L | 
| 1994-1996 Buick Commercial Chassis | All Trims | 8 Cyl 5.7L | 
| 1988-1990 Buick Electra | All Trims | 6 Cyl 3.8L | 
| 1988-2003 Buick LeSabre | All Trims | 6 Cyl 3.8L | 
| 2006-2010 Buick Lucerne | All Trims | 8 Cyl 4.6L | 
| 1991-2003 Buick Park Avenue | All Trims | 6 Cyl 3.8L | 
| 1988-1991 Buick Reatta | All Trims | 6 Cyl 3.8L | 
| 1990-2003 Buick Regal | All Trims | 6 Cyl 3.8L |