
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | Denso |
| Part Number | 5021 |
| 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 | 14 |
| Hex Size | 0.625" |
| Resistance | 5 kOhm |
| Spark Plug Seat Style | Tapered |
| Thread Diameter | 0.551" |
| Thread Reach | 0.457" |
| UPC | 042511050211 |
| Year Make Model | Trim | Engine |
|---|---|---|
| 1978 Buick Century | All Trims | 6 Cyl 3.8L |
| 1977-1978 Buick LeSabre | All Trims | 6 Cyl 3.8L |
| 1977-1979 Buick LeSabre | All Trims | 8 Cyl 4.9L |
| 1977-1978 Buick Regal | All Trims | 6 Cyl 3.8L |
| 1978 Buick Regal | All Trims | 6 Cyl 3.2L |
| 1977-1978 Buick Skyhawk | All Trims | 6 Cyl 3.8L |
| 1977 Buick Skylark | All Trims | 8 Cyl 4.9L |
| 1977-1978 Buick Skylark | All Trims | 6 Cyl 3.8L |
| 1975 Oldsmobile Custom Cruiser | All Trims | 8 Cyl 6.6L |
| 1977 Oldsmobile Cutlass | All Trims | 6 Cyl 3.8L |