
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | Denso | 
| Part Number | 4715 | 
| Part Description | Iridium TT™ Spark Plug | 
| Electrode Material | Iridium | 
| Gap | .039" (1.0 mm) | 
| Heat Range | 16 | 
| Hex Size | 5/8" (16 mm) | 
| Nominal Gap | 1 mm | 
| Overall Height | JIS | 
| Reach | 11.6 mm (.460") | 
| Seat Type | Tapered | 
| Terminal Type | Solid | 
| Thread Diameter | 14 mm | 
| Thread Pitch | 1.25 mm | 
| UPC | 042511047150 | 
| Year Make Model | Trim | Engine | 
|---|---|---|
| 1970-1972 Avanti II | All Trims | 8 Cyl 5.7L | 
| 1973-1976 Avanti II | All Trims | 8 Cyl 6.6L | 
| 1977-1980 Avanti II | All Trims | 8 Cyl 5.7L | 
| 1981-1985 Avanti II | All Trims | 8 Cyl 5.0L | 
| 1973-1975 Buick Apollo | All Trims | 6 Cyl 4.1L | 
| 1973-1975 Buick Apollo | All Trims | 8 Cyl 5.7L | 
| 1971-1973 Buick Centurion | All Trims | 8 Cyl 7.5L | 
| 1973 Buick Centurion | All Trims | 8 Cyl 5.7L | 
| 1973-1974 Buick Century | All Trims | 8 Cyl 7.5L | 
| 1973-1979 Buick Century | All Trims | 8 Cyl 5.7L |