Alpha 1 & Gen. 2 Outdrive Parts *Drawings *Videos

T.C. Electronics / Marine ( 416 ) 751-7326 home page

Mercruiser Alpha 1 parts drawing *Lower unit #35-55

Lower gear-case part number with exploded view
outdrive drawing

  • All GLM products are brand new completely compatible and interchangeable with Mercruiser Alpha One parts.
  • GLM has committed to producing high quality and cost effective aftermarket parts for the past two decades
  • Components have 1 year warranty
  • Exploded view Alpha 1 drawings
  • Parts 35 to 55

lower gear case layout

lower gear case layout

87510  seal kit
87510 seal kit

A
P/N 87510
seal kit lower gear-case OEM 26-33144A2 $42.95

25125 seals gears bearings shims 13-21
25125 seals gears bearings shims 13-21

B
P/N 25125
Seal, bearing and gear kit / 43-803091T1 $863.95

25120 seal kit shims bearings
25120 seal kit shims bearings

C
P/N 25120
Seal and bearing kit with P/N 21570 upper bearing $230.95

12120  water pump
12120 water pump

D
P/N 12120
Water pump kit $35.95

21870 starboard insert screen

21870 starboard insert screen

35
P/N 21870
Insert screen starboard / 93423-1 $4.95

21880 port screen
21880 port screen

36
P/N 21880
Insert screen (port) / 93424-1 $4.95

12822 insert screen screw
12822 insert screen screw

37
P/N 12822
Screw (5 units) / 10-76156 $9.95

21161 stainless steel lock nut
21161 stainless steel lock nut

38
P/N 21161
Lock nut / 11-45812 $4.95

21170 lock nuts
21170 lock nuts

39
P/N 21170
Lock nuts 5 units / 11-13439-1 $9.95

21740 allen bolt stainless
21740 allen bolt stainless

40
P/N 21740
Screw / 10-32470 (2 units) $5.95

 

41
P/N 22430
Screw / 10-30206 $4.95

12670 aluminum trim tab anode
12670 aluminum trim tab anode
42
P/N 12670
Trim tab anode / 31640A1 $9.95

21610 bearing
21610 bearing

43
P/N 21610
Roller bearing for pinion gear / 31-42647A1 $43.95

11091 Alpha
11091 Alpha

44A
P/N 11091
lower unit forward and pinion gear set 13-21 ratio with P/N 21590 3.500" OD bearing $629.95

11190 pinion nut
11190 pinion nut

45
P/N 11190
Pinion nut / 11-35921 $4.95

11030 shift spool
11030 shift spool

46
P/N 11030 Shift spool / 818349T1 $86.95

11040 shift crank
11040 shift crank

47
P/N 11040 Shift crank / 76865 $67.95

23220 shims
23220 shims

48
P/N 23220
Forward gear shims / 15-47397A1 $11.95

21590 forward bearing
21590 forward bearing

49
P/N 21590
Tapered roller bearing (I.D. 1.875) OEM 31-35928T1 $59.95

21591 roller bearing
21591 roller bearing

49B
P/N 21591
Tapered bearing for forward gear - small bearing (I.D. 1.750) OEM 31-828437A2 $115.95

11420 forward gear roller bearing
11420 forward gear roller bearing

50
P/N 11420
Needle roller bearing for forward gear / 31-30895 $14.95

11050 clutch dog spring
11050 clutch dog spring

51
P/N 11050
Clutch dog spring / 24-30893 $4.95

21131 cross pin
21131 cross pin
52
P/N 21131
Cross pin / 17-30632 $4.89

11060 clutch dog
11060 clutch dog
53
P/N 11060
Clutch dog / 52-853594T $225.95

11150 prop shaft
11150 prop shaft

54
P/N 11155
Prop shaft for MC-1 /R / MR / Alpha One / Gen 2 / 44-850308 Replaces P/N 11150 (/ 44-824110) $660.95

11013 reverse gear
11013 reverse gear

55
P/N 11013
Reverse gear with thrust spacer OEM 43-828073A1 $250.95