Part Number: 1396000K821-001 (Thread in jack f spark plug)Part Number: 1396000K821-002 (Thread in jack f spark plug)Part Number: 1396000K821-003 (Thread in jack f spark plug)Part Number: 1396000K821-004 (Thread in jack f spark plug)Part Number: 1396000K821-005 (Thread in jack f spark plug)Part Number: 1396000K821-006 (Thread in jack f spark plug)Part Number: 1396000K821-007 (Thread in jack f spark plug)Part Number: 1396000K821-009 (Thread in jack f spark plug)Part Number: 1396000K821-022 (Thread in jack f spark plug)