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Mercruiser comprehensive upper gearcase parts drawing

#	Description
1a	# 19000 Drive shaft housing  OEM # 1547-9412A18	$589.98
1b	# 19000 Used drive shaft housing OEM # 1547-9412A18	$195.00 used
3a	# 80420 O-ring ( Included in seal kit )
3b	# 87500 GLM marine aftermarket Mercruiser parts seal kit for use with Mercruiser 1 and R upper gearcase units.	$30.98
4a	# 23260 Shim kit for top or cover unit bearing 21510 with outside diameter of 1-15/16 inch OEM # 15-45691A1	$4.98
4b	# 23261 Shim kit for top or cover unit bearing 21511 with outside diameter of 1-25/32 inch OEM # 15-32563A1	$4.98
5a	# 21510 Bearing with outside diameter of 1- 15/16 inch OEM # 31-61100A1	$16.98
5b	# 21511 Bearing with outside diameter of 1- 25/32 inch OEM # 31-32575A1	$9.98
6	# 11130 upper drive shaft OEM # 45-55796	$73.98
7	# 80190 O-ring ( Included in seal kit )
8a	# 11210 V8 heavy duty 20/22 gear set (1.50 / 1.47 Ratio with H.D. bearing # 21560 included OEM # 43-18411A2	$272.98
8b	# 11220 6 Cyl. inline gear set (1.65 or 1.62 Ratio) 24/24 tooth count years 1970 to 1997 OEM # 43-45814A5	$240.98
8c	# 11230 V6 /470-485 gear set 1.84 or 1.81 gear ratio with 17-19 tooth count OEM # 43-75325A3	$233.98
8d	# 11240 Inline 20/24 with 4 cylinder gear set 1.98 or 1.94 gear ratio OEM # 43-55778A3	$222.98
9a	# 21560 drive shaft bearing 1.50 gear ratio OEM # 31-32573A1	$29.98