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Mercruiser or Alpha 1 outdrive parts

Parts layouts year, hp. and stern drive components

87510 Mercruiser or Alpha 1 lower gearcase seal kit
87510 Mercruiser or Alpha 1 lower gearcase seal kit

P/N 87510 lower seal kit parts for 4 Cylinder V6 and V8 boat outdrives. $44.09

Please note 680 loctite retaining compound should be used to hold oil seals in place on the lower unit bearing carrier after wire brush cleaning.
Aviation gasket compound should be used on o rings and gaskets to keep seal on scratched surface areas.

90190 tool bearing carrier retainer wrench
90190 tool bearing carrier retainer wrench

P/N 90190 Alpha One tool carrier retainer wrench $88.09

21950 Transom Kit
21950 Transom Kit

P/N 21950 transom service kit $149.29
Parts that are included in P/N 87510
lower unit seal kit as follows:

12830 Seal / 25-39970
81160 O-ring / 25-30613
81390 O-ring / 25-90011
81180 O-ring / 25-25439
31020 Gasket / 25-858524
31050 Gasket / 27-42631-1
31010 Gasket / 27-85608-1
85040 Oil seal / 26-16977
85070 Oil seal / 26-89238
85700 Oil seal / 26-12224
85581 Oil seal / 26-816464
85140 Seal / 26-45577-1
21330 Slinger / 25-30271

89840 Impeller
89840 Impeller
P/N 89840 Water pump impeller $18.09

87500 upper gearcase seal kit parts
87500 upper gearcase seal kit parts

P/N 87500 Outdrive seal kit parts for years 1970 to 1989 $26.09