NPS Without Group
| Manufacturer | Part Number | Description |
|---|---|---|
| NPS | WR12EC | Spark Plug |
| NPS | WR3AP | Spark Plug |
| NPS | WR3CC | Spark Plug |
| NPS | WR3CP | Spark Plug |
| NPS | WR3CS | Spark Plug |
| NPS | WR3CTC | Spark Plug |
| NPS | WR3DC | Spark Plug |
| NPS | WR4AC | Spark Plug |
| NPS | WR4AP | Spark Plug |
| NPS | WR4CC | Spark Plug |
| NPS | WR4CP | Spark Plug |
| NPS | WR4DP0 | Spark Plug |
| NPS | WR5 | Spark Plug |
| NPS | WR5AC | Spark Plug |
| NPS | WR5AP | Spark Plug |
| NPS | WR5CC | Spark Plug |
| NPS | WR5CP | Spark Plug |
| NPS | WR5D | Spark Plug |
| NPS | WR5DC | Spark Plug |
| NPS | WR5DP | Spark Plug |
| NPS | WR5DS | Spark Plug |
| NPS | WR6AC | Spark Plug |
| NPS | WR6BC | Spark Plug |
| NPS | WR6CC | Spark Plug |
| NPS | WR6D | Spark Plug |
| NPS | WR6DC | Spark Plug |
| NPS | WR6DC2 | Spark Plug |
| NPS | WR6DCX | Spark Plug |
| NPS | WR6DP | Spark Plug |
| NPS | WR6DP0 | Spark Plug |
| NPS | WR6DP1X | Spark Plug |
| NPS | WR6DPX | Spark Plug |
| NPS | WR6DS | Spark Plug |
| NPS | WR6DTC | Spark Plug |
| NPS | WR78 | Spark Plug |
| NPS | WR78G | Spark Plug |
| NPS | WR78X | Spark Plug |
| NPS | WR7AC | Spark Plug |
| NPS | WR7AP | Spark Plug |
| NPS | WR7BC | Spark Plug |
| NPS | WR7BP | Spark Plug |
| NPS | WR7CC | Spark Plug |
| NPS | WR7CCX | Spark Plug |
| NPS | WR7CP | Spark Plug |
| NPS | WR7CPX | Spark Plug |
| NPS | WR7D | Spark Plug |
| NPS | WR7DC | Spark Plug |
| NPS | WR7DC2 | Spark Plug |
| NPS | WR7DCX | Spark Plug |
| NPS | WR7DP | Spark Plug |
| NPS | WR7DP1 | Spark Plug |
| NPS | WR7DP1X | Spark Plug |
| NPS | WR7DPX | Spark Plug |
| NPS | WR7DS | Spark Plug |
| NPS | WR7DTC | Spark Plug |
| NPS | WR7DX | Spark Plug |
| NPS | WR7EC | Spark Plug |
| NPS | WR7LC | Spark Plug |
| NPS | WR7LDC | Spark Plug |
| NPS | WR7LT | Spark Plug |
| NPS | WR8AC | Spark Plug |
| NPS | WR8AP | Spark Plug |
| NPS | WR8B | Spark Plug |
| NPS | WR8BC | Spark Plug |
| NPS | WR8BP | Spark Plug |
| NPS | WR8CC | Spark Plug |
| NPS | WR8CCX | Spark Plug |
| NPS | WR8CP | Spark Plug |
| NPS | WR8D | Spark Plug |
| NPS | WR8DC | Spark Plug |
| NPS | WR8DC04 | Spark Plug |
| NPS | WR8DC4 | Spark Plug |
| NPS | WR8DCX | Spark Plug |
| NPS | WR8DP | Spark Plug |
| NPS | WR8DP1 | Spark Plug |
| NPS | WR8DP1X | Spark Plug |
| NPS | WR8DPX | Spark Plug |
| NPS | WR8DS | Spark Plug |
| NPS | WR8DX | Spark Plug |
| NPS | WR8EC | Spark Plug |
| NPS | WR8FC | Spark Plug |
| NPS | WR8HP | Spark Plug |
| NPS | WR8LP | Spark Plug |
| NPS | WR8LT | Spark Plug |
| NPS | WR91 | Spark Plug |
| NPS | WR91V | Spark Plug |
| NPS | WR91X | Spark Plug |
| NPS | WR9CC | Spark Plug |
| NPS | WR9D | Spark Plug |
| NPS | WR9DC | Spark Plug |
| NPS | WR9DCX | Spark Plug |
| NPS | WR9E0 | Spark Plug |
| NPS | WR9EC | Spark Plug |
| NPS | WR9EC0 | Spark Plug |
| NPS | WR9FC | Spark Plug |
| NPS | WR9FCY | Spark Plug |
| NPS | WR9FCZ | Spark Plug |
| NPS | WR9FP | Spark Plug |
| NPS | WR9FPY | Spark Plug |
| NPS | WR9FPZ | Spark Plug |