Here it is, do-it-yourselfers... a complete reference guide of maintenance parts for all Yanmar engines. The numbers you see are Yanmar part numbers which may be ordered from many marine retailers, or direct from Yanmar at (847) 541-1900, FAX (800) 323-2401.
Engine Model	Engine Oil	Oil Filter	Fuel Filter	Air Element	Cooling Water Belt	Alt/Gen Belt	Anti-Corrosive Zinc	Cooling Sea Water Impeller
D27 outboard	41540	119660-35150	129100-55650 x 120270-55101 xy	NA	NA	120270-01430	120270-09302 196630-02670	196630-08151
D36 outboard	41540	129150-35150	120270-55101	NA	NA	120380-01430	120270-09302 196630-02670	196640-08051
D27A outboard	41540	129150-35151	129100-55650	NA	NA	120270-01430	120270-09302 196630-02680	196630-08152
D36A outboard	41540	129150-35151	129100-55650	NA	NA	120380-01430	120270-09302 196640-02680	196640-08051
1GM	41540	124450-35100	104500-55710	128170-12540	NA	128170-77350	27210-200200	128170-42070 (a)
2GM and 3GM (D)	41540	124450-35100	104500-55710	128270-12540	104511-78780	25132-003000	27210-200300	104211-42070 (b)
2GMF and 3GMF	41540	124450-35100	104500-55710	128270-12540	104511-78780	121150-42290	(2GMF-N/A) 27210-200300	124223-42091 (c)
1GM10	41540	124450-35100	104500-55710	128171-12540	NA	128170-77350 t	27210-200200	128170-42070 (a)
2GM20 and 3GM30	41540	124450-35100	104500-55710	128270-12540	104511-78780	128670-77350	27210-200300	104211-42070 (b)
2GM20F and 3GM30F	41540	124450-35100	104500-55710	128270-12540	104511-78780	124732-42290	NA	124223-42091 (c)
3HM	41540	124450-35100	104500-55710	124770-12540	104511-78780	128670-77350	27210-200300	124223-42091 (c)
3HMF	41540	124450-35100	104500-55710	124770-12540	104511-78780	128695-44780	NA	124223-42091 (c)
3HM35	41540	124450-35100	104500-55710	124770-12540	104511-78780	123672-77370	27210-200300	124223-42091 (c)
3HM35F	41540	124450-35100	104500-55710	124770-12540	104511-78780	121252-42290	NA	124223-42091 (c)
2QM15	41540	124450-35100	104500-55710	124770-12540	104514-77350	105582-77790	27210-200300	104211-42070 (b) (g)
2QM	41540	124450-35110	124220-35210	124770-12540	NA	124240-42291	#	124223-42091 (c) (h)
2QM20 and 3QM30	41540	124450-35110	104500-55710	124770-12540	NA	25117-003151	27210-200300	124223-42091 (c) (h)
3QM	41540	124450-35110	124220-35210	124770-12540	NA	124240-42291	#	145410-46090 (d) (h)
3JLH2E	40030	119305-35150	129470-55701	+	171087-42280	NA	NA	129470-42530
3JH2-TE	40030	119305-35150	129470-55701	129470-12330	25132-004500	NA	NA	129470-42530 (e)
4JH2-E series	40030	129150-35150	129470-55701	129470-12330	25132-004600	NA	NA	129470-42530 (e)
4JH2-UTE	40030	129150-35150	129470-55701	129574-55710	25132-004600	NA	NA	129470-42530
4LH-TE and HTE	41540	119100-35100	121857-55710	NA	121850-42280	NA	NA	127610-42200 (f)
4LH-DTE	41540	127695-35150	41650-502320	NA	121850-42280	NA	NA	127610-42200 (f)
6CX-ETE	41540	127695-35150	127695-55630	127695-18530	25132-004250	NA	126410-09300	128620-42200
6LY-STE	41540	119593-35100	41650-502330	XN199613	119593-42280	NA	NA	119593-42200
6LY-UTE	41540	119593-35100 *	41650-502330	XN199613	119593-42280	NA	NA	119593-42200
SB8, SB12	41540	104271-35130 +	104500-55710	NA	NA	SB8 = 105282-77790 SB12 = 105582-77790	104211-41300	104211-42070 (b)
SVE8, SVE12	41540	104271-35130 +	104800-55710	NA	NA	SVE8 = 105282-77790 SVE12 = 105582-77790	104211-41300	104211-42070 (g)
YSB8, YSB12	41540	104271-35130 +	104500-55710	NA	YSB8 = 104214-42780 YSB12 = 104514-42780	YSB8 = 104211-42780 YSB12 = 104514-77350	27210-200300	104211-42070 (g)
YSE8, YSE12	41540	104271-35130 +	YSE8 = 104300-55790 YSE12 = 104500-5579	NA	YSE8 = 104211-42780 YSE12 = 104514-42780	YSE8 = 104211-42780 YSE12 = 104514-77350	104211-41300	104211-42070 (b)