OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

MR and Alpha One outdrive bell housing (1970 - 1990)
exploded view drawing

Last updated on 11/13/2023

  • Compatible with Mercruiser and Alpha One models up to 1990
  • Mercruiser component diagram with OEM numbers for cross reference
  • Bellows and service kits
  • Bushing kits and installation gaskets
  • Click here for Alpha 1 Gen 2 (1991 and up) bell housing components

Mercruiser Bell Housing

Mercruiser Bell Housing

Mercruiser bell housing layout

Photo

Description / OEM #

Price
(USD)

Price (Canadian)

39590 Mercruiser bell housing gasket (MC-1)

39590

Item 1A
P/N 39590 Outdrive installation gasket kit (1967 – 1982)
 
27-64818T4

$12.99

$ 7.89

Mercruiser Bell Housing

39622 Bell housing gasket

Item 1B
P/N 39622
 Stern drive installation gasket kit for Alpha one and gen 2 years (1983 – present)

 

27-94996T2

$12.95

$ 9.89

shift shaft

87561 Shift shaft bushing kit

Item 3
P/N 87561
 
Shift shaft bushing kit (serial numbers F094774 & below)

 

23-805041A2

$43.89

$56.89

gasket

31160 Gasket

Item 4
P/N 31160 Rubber gasket

27-35982

$4.00

$4.89

82200 O-ring

Item 5
P/N 82200
 O rings (5)

25-33504

$9.89

$12.89

21666

21666

Item 6
P/N 21666
 Washer

 

12-35935

$4.00

$4.89

21170

21170

Item 7
P/N 21170
 Lock nuts (5)

 

11-13439-1

$14.89

$4.89

Mercruiser Bell Housing

28410

Item 7B
P/N 28410
 Flange lock nut

11-859135

$4.00

$ 6.89

89050

89050

Item 8
P/N 89050
 U-joint bellows (includes clamps)

 

60932A4

$41.89

$ 55.89

Mercruiser Bell Housing

89440 Grounding clip

Item 9
P/N 89440
 Grounding clip (5 units), needed to prevent clamps from rusting

 

54-86049

Mercruiser Bell Housing, Mercruiser exhaust manifold V6 conversion kit 4.3 liter

01100 Hose clamp

Item 10
P/N 01100
 Hose clamp

54-815504372

$6.00

$ 10.89

47120

47120

Item 11A
P/N 47120
Water hose 5/8 inch I.D.

32-32461

$8.00

$ 15.89

47110

47110 Water hose

Item 11B
P/N 47110
3/4 inch water hose

32-41725-33

$11.89

$14.89

Mercruiser Bell Housing

01071

Item 12
P/N 01071
Clamp

912627

$4.00

$4.89

Bell Housing Drawing

89100 Exhaust bellows

Item 13

P/N 89100 Exhaust bellow

18654A1

$24.89

$31.89

Mercruiser Bell Housing

89150

Item 13B
P/N 89150
Exhaust tube

78458A1

$44.89

$ 58.89

Mercruiser Bell Housing

01070

Item 14
P/N 01070
Clamp

54-815504348

$6.89

$ 7.89

Mercruiser Bell Housing

21420

Item 16
P/N 21420
Shaft assembly

45589A3

$88.89