Mercruiser parts drawing upper gearcase P/N 1-22

1.50 /1.47 20/22 tooth count
1.65 /1.62 24/24 tooth count
1.84 /1.81 17/19 tooth count
1.98 /1.94 20/24 tooth count
GLM aftermarket parts drawing and upper gearcase photos.

	P/N 19100 Ratio: 20/22 (1.50 /1.47) OEM 1547-9412A20 Most V8 under 300 hp. P/N 19200 Ratio: 24/24 (1.65/1.62) OEM 1547-9412A21 Inline 6 cylinder P/N 19300 Ratio: 17/19 (1.84/1.81) OEM 1547-9412A22 V6 and 470/485 P/N 19400 Ratio: 20/24 (1.98/1.94) OEM 1547-9412A23 Inline 4 Cylinder P/N 19500 Ratio: 16/20 (1.32/1.30) OEM 1547-9412A19 V8
	Item 1A P/N 19000 Drive shaft housing / 1547-9412A18 $661.95
	Item 2 P/N 28400 Top cover assembly with P/N 21511 1-25/32 inch OEM 94998A4. Only compatible with MR/Alpha one models 1983 - 1990. Does not work with older models $108.95
	Item 3A P/N 80420 O ring included in seal kit
87500 Seal kit	Item 3B P/N 87500 GLM marine aftermarket seal kit for use with Mercruiser 1 and R upper gear-case units $16.95
23260 shim	Item 4A P/N 23260 Shim kit for top or cover unit 21510 with outside diameter of 1-15/16 inch / 15-45691A1 $8.95
23261	Item 4B P/N 23261 Shim kit for top or cover unit #21511 with outside diameter of 1-25/32 inch / 15-32563A1 $5.95See our application chart for help with your model
21510 bearing	Item 5A P/N 21510 with outside diameter of 1- 15/16 inch / 31-61100A1 $28.95
21511 bearing	Item 5B P/N 21511 Bearing with outside diameter of 1-25/32 inch / 31-32575A1 $8.95
11130 upper drive shaft	Item 6 P/N 11130 Upper drive shaft / 45-55796 $107.95
	P/N 80190 O-ring Included in seal kit
11210 V8 22-20 gear ratio	Item 8A P/N 11210 V8 heavy duty 20/22 gear set 1.50 / 1.47 Ratio with H.D. P/N 21560 included / 43-18411A2 $444.95
11220 1970 -1997	Item 8B P/N 11220 6 Cylinder inline gear set (1.65 or 1.62 Ratio) 24/24 tooth count years 1970 to 1997 / OEM 43-45814A5 $394.95
11230 Outdrive V-6, 470 and 485	Item 8C P/N 11230 V6 /470-485 gear set 1.84 or 1.81 gear ratio with 17-19 tooth count / 43-75325A3 $320.95
11240 20-24 ratio 1.98 4-cyl.	Item 8D P/N 11240 20/24 with 4 cylinder gears 1.98 or 1.94 gear ratio / 43-55778A3 $288.95
21560	Item 9A P/N 21560 drive shaft bearing 1.50 gear ratio / 31-32573A1 $40.95
21540	Item 9B P/N 21540 Roller with 1.65, 1.84, 1.98 gear ratio / 31-35990A1 $30.95
21550	Item 9C P/N 21550 Roller (1.32 Ratio) 31-66818A1 $75.95
23270 shims sm	Item 10 P/N 23270 Drive gear shim kit 5 units #15-36178A1 $9.95*
	Item 11 P/N 85020 Oil seal - driven gear Included in seal kit
	Item 12 P/N 85060 Oil seal - vertical drive shaft Included in seal kit $8.95
81180 o-ring	Item 13 P/N 81180 Drive shaft o ring included in seal kit
28050	Item 14 P/N 28050 U-joint / yoke assembly 814819A2 $392.95
28315 Long yoke	Item 15 P/N 28315 Long yoke 814819A3 fits 225, 228, 250, 260, 888, 889, R, MR and Alpha one outdrive $103.95
	Item 15B Short Yoke Required 120 /140 year 1967-82 Serial #2062141- 6225576 470 /485 year 1976-82 Serial #4208730- 6225575 160 /165 year 1967-82 Serial #2065190 and up 1A/1B/1C EZ 1964-66
28030 Outdrive u-joint	Item 16 P/N 28030 Heavy duty rockwell U-joint 75832T-1 $44.95
28100 socket	Item 17 P/N 28100 Socket for drive shaft housing yoke $64.95
28310	Item 18 P/N 28310 Yoke 46020-1 $60.95
28350 retainer	Item 19 P/N 28350 Retainer / 816811-1 $22.95
	Item 20 P/N 28390 Drive shaft housing ring $11.95
	Item 21 P/N 82380 O ring Included in seal kit
28370 seal carrier	Item 22 P/N 28370 Carrier assembly: includes oil seal 66081A2 $36.95