Mercruiser outdrive parts | Alpha one lower unit repairs

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Mercruiser outdrive seal kit, Alpha 1 and Generation 2

Upper/lower gearcase seal kit and installation gasket set for
4 cylinder, V6 and V8 stern drives

  • Upper gear case and lower unit rebuild set for all V4, V6 and V8 models
  • Include all oil seals, gaskets and o rings
  • For Mercruiser 1, R, MR and Alpha One or generation 2 models
  • Gasket compound is recommended
  • We ship anywhere in Canada and the USA

Lower Unit

 

Price
(USD)

Price
(Canadian)

87510
87510 seal kit
P/N 87510 For 1967 - 1990 models, including MC-1, R, MR and Alpha 1 Gen 1

26-33144A2

$38.95

$50.95

87511

87511

P/N 87511 Lower unit (1991 and up, serial numbers 0A54004 - up)

26-816575A3

$39.95

$50.95

Upper Gear Case

 

Price
(USD)

Price
(Canadian)

87500 Mercruiser upper housing gaskets 26-32511A1

87500 Mercruiser upper housing gaskets

P/N 87500 Seal kit (1964 - 1990 models, serial numbers 1684188 - 0D469858)

26-32511A1

$24.95

$30.00

87501 Alpha One Gen 2

P/N 87501 For upper gear housing (1991 and up, serial numbers 0A54004 - up)

26-88397A1

$25.95

$33.95

Bell Housing

 

Price
(USD)

Price
(Canadian)

39622 Bell housing gasket 27-94996T2

39622 Bell housing gasket

P/N 39622 Bell housing gasket set (1983 - present, serial numbers 6225577 and up)

27-94996T2

$12.95

$14.95

39590 27-64818T4

39590

P/N 39590 Outdrive installation gasket set (1967 - 1982, serial numbers 2062141 - 6225576)

27-64818T4

$12.95

$14.95

Compounds

 

Price
(USD)

Price
(Canadian)

508235 OMC Johnson Compound

508235 OMC Johnson Compound

P/N 508235 Gasket compound. This is used on the o-rings and gaskets when re-sealing the outdrive.

$24.95

$32.95

609 Loctite

609 Loctite

P/N 609 609 Loctite for oil seals. Low viscosity and fast drying. Small tube is enough for one complete stern drive. Adds 3000 psi of holding power.

$9.95

$12.95

 
P/N 680 680 Loctite. Highest retaining strength, adds 3700 psi of holding power. It is recommended to use the 680 instead of the 609 if you need to offset seals from original position onto a shaft. Small container is enough for a complete stern drive and future repair jobs.

$35.95

$41.95