Match the number in the diagram with the same column number in the chart. Then, use your engine’s model and year on the left to find the correct part number.
| Model / HP | Year | 1 | 2 | 3 | 4 | 5 | 6L | 6S | 7 |
| DT2 | 1986-2000 | REC57311-98400 | |||||||
| DT2.2 K1-K5 | 2001-2005 | REC57311-98400 | |||||||
| DT9.9 K / DT15K-G-Y | 1986-2000 | REC57311-93901 | REC57510-93902 | REC57521-93902 | REC57610-93901 | REC57100-93902 | REC56120-93900 | ||
| DT9.9 / DT15K1-K4 | 2001-2004 | REC57311-93910 | REC57510-93910 | REC57521-93910 | REC57610-93901 | REC57100-93902 | REC56120-93900 | ||
| DF9.9 / DF15T-K3 | 1996-2003 | REC57311-93910 | REC57510-93910 | REC57521-93910 | REC57610-93901 | REC57100-93902 | REC56120-93900 | ||
| DF9.9 / DF15R | 2004-2011 | REC57311-93910 | REC57510-93910 | REC57521-93910 | REC57610-93901 | REC57100-93902 | REC56120-93900 | ||
| DT15C | 1989-1997 | REC57311-93901 | REC57510-93902 | REC57521-93902 | REC57610-93901 | REC56120-93900 | |||
| DF15 | 2012 | REC57610-93901 | REC57100-93902 | ||||||
| DT20 / DT25 / DT30-GY | 1986-2000 | REC57311-96311 | REC57510-89J00 | REC57521-96312 | REC57110-96303 | ||||
| DT25C, DT30C-K-Y | 1989-2000 | REC57311-96311 | REC57510-89J00 | REC57521-96312 | REC57110-96303 | ||||
| DT25 / DT30K1-K2 | 2001-2002 | REC57311-96320 | REC57510-89J00 | REC57521-89J00 | REC57110-96303 | ||||
| DF25 / DF30Y-K6 | 2000-2006 | REC57311-96320 | REC57510-89J00 | REC57521-89J00 | |||||
| DT40C-W-G-X | 1986-1999 | REC57311-94402 | REC57510-94402 | REC57521-94400 | REC57110-94441 | REC57110-94411 | |||
| DT40W K1-K4 | 2001-2004 | REC57311-94402 | REC57510-94402 | REC57521-94400 | REC57110-94441 | REC57110-94411 | |||
| DF40 / DF50X-K10 | 1999-2010 | REC57621-94403 |