OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

GLM Marine aftermarket Mercruiser lower unit and upper gearcase seal kit Installation gasket set for 4 cylinder, V6 and V8 sterndrives

Last updated on 11/4/2023
  • Upper gear case and lower unit rebuild seal kit set for V4, V6 and V8 models.
  • Upper, lower seal kit with the water pump kit
    Include all oil seals, gaskets and o rings.
  • Rebuild kit for MerCruiser 1, R, MR, Alpha One, Generation 2 and Bravo models.
  • Complete water pump kit and upper-lower seal kit sets.

Mercruiser upper gearcase seal kits

87500 Mercruiser seal kit

87500 Gearcase seal kit

P/N 87500
Seal kit for years 1964 to 1990 models. Serial numbers 1684188 to 0D469858
OEM 26-32511A1
Kit includes:
80420 O-ring 25-32546
80190 O-ring 25-55801
81180 O-ring 25-25439
82380 O-ring 25-70937
85020 Oil seals 26-32511
85060 Oil seals 26-96503
85030 Oil seals 823894
31150 Gasket 27-55810-1
85150 Grommet 26-36557

$25.95

$ 30.89

Mercruiser seal kits *R *MR *Alpha 1 *Gen 2

87501 Gearcase seal kit

P/N 87501
For upper gear housing years 1991 and up with serial numbers 0A54004 and up.
OEM: 26-88397A1
Kit includes:
12831 Grommet
31170 Gasket (2)
80420 O-ring
81180 O-ring (2)
82150 O-ring
82380 O-ring
85022 Oil seal
85030 Oil seal
85140 Seal

$25.95

$ 43.89

Mercruiser lower gearcase seal kits

87510 Mercruiser outdrive seal kit

87510 Mercruiser 1, R, MR and Alpha One

P/N 87510
For years 1967 to 1990 models, including Mercruiser 1, R, MR and Alpha One outdrives.
26-33144A2
Kit includes:
P/N 12830 Seal 25-39970
P/N 81160 O-ring 25-30613
P/N 81390 O-ring 25-90011
P/N 81180 O-ring 25-25439
P/N 31020 Gasket 25-858524
P/N 31050 Gasket 27-42631
P/N 31010 Gasket 27-856081
P/N 85040 Oil seal 26-16977
P/N 85070 Oil seal 26-89238
P/N 85700 Oil seal 26-12224
P/N 85581 Oil seal 26-816464
P/N 85140 Seal 26-45577-1
P/N 21330 Slinger 25-30271
P/N 21010 Bushing

Price
(USD)

$49.92

Price (Canadian)

$ 66.89

Mercruiser seal kits *R *MR *Alpha 1 *Gen 2

87511 Alpha 1 Gen 2 Gearcase seal kit

P/N 87511 Lower unit (1991 and up with serial numbers 0A54004 and up.
OEM: 26-816575A3
Kit includes:
12341 Pump base
30090 Gasket
31170 Gasket
31240 Gasket
80120 O-ring (2)
81175 O-ring (2)
82110 O-ring (2)
83445 O-ring
85581 Oil seal
85130 Oil seal (2)
85700 Oil seal
85140 Seal
85590 Face seal

$35.95

$ 60.89

P/N 89010 Water pump and upper-lower seal kit set.
Years 1967 to 1983. Models  including
Mercruiser 1, R and MR outdrives. Serial # 2663442 to 6225576

87510 Mercruiser outdrive seal kit
87500 Mercruiser seal kit
12110 Water pump kit years 1970 to 1982

89010 Mercruiser 1, R, MR

P/N 89010
For years 1967 to 1983 models, including Mercruiser 1, R, MR outdrives.
Kit includes:
12830 Seal 25-39970
81160 O-ring 25-30613
81390 O 25-90011-ring
81180 O-ring 25-25439
31020 Gasket 25-858524
31050 Gasket 27-42631
31010 Gasket 27-856081
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
21010 Bushing5-55801
80420 O-ring 25-32546
80190 O-ring 25-55801
81180 O-ring 25-25439
82380 O-ring 25-70937
85020 Oil seals 26-32511
85060 Oil seals 26-96503
85030 Oil seals 823894
31150 Gasket 27-55810-1
85150 Grommet 26-36557
12110 Complete water pump kit and upper-lower seal kits.
 

Price
(USD)

$00.00

Price (Canadian)

$00.00

MerCruiser lower unit seal kit and bearing kit

ball bearings

25130 Alpha 1 Gen 2 Gearcase seal kit

Lower unit kit includes:
11190 Pinion nut
11381 Keyed washer
11410 Roller bearing
21580 T. Roller bearing
21590 T. Roller bearing
21610 Bearing
21620 Bearing
23210 Shim
23220 Shim
87511 Gearcase seal kit
OEM:31-803094T1

$203.95

$ 316.89

ball bearings, Seal Kits

25140 Gearcase seal kit

Lower unit kit includes:
11190 Pinion nut
11381 Keyed washer
11410 Roller bearing
21580 T. Roller bearing
21593 T. Roller bearing
21610 Bearing
21620 Bearing
23210 Shim
23221 Shim
87511 Gearcase seal kit
OEM: 31-803095T1

$217.95

$ 337.89

ball bearings, Seal Kits

25150 Gearcase seal kit

Lower unit kit includes:
11190 Pinion nut
11381 Keyed washer
11410 Roller bearing
21584 T. Roller bearing
21593 T. Roller bearing
21610 Bearing
21620 Bearing
23210 Shim
23221 Shim
87511 Gearcase seal kit
OEM: 31-803096T1

$211.95

$ 328.89

Mercruiser transom assembly gaskets

Mercruiser seal kits *R *MR *Alpha 1 *Gen 2

32500 Gasket

32500 Gasket

OEM: 27-98823-1

$4.95

$4.89

32160 Connector kit gasket

32160 Gasket

32160 Gasket, cover

OEM: 27-99506-1

$4.95

$4.89

31470 MC-1 Hydraulic connector gasket 1970-1982

31470 Gasket

31470 MC-1 Hydraulic connector gasket
years 1970 to 1982

OEM: 27-476441

$4.95

$4.89

Mercruiser bell housing gasket sets

39590 Mercruiser bell housing gasket (MC-1)

39590 Mercruiser bell housing gasket (MC-1)

P/N 39590 Bell housing gasket for years 1967 to 1982 (MC-1)

OEM 27-64818T4

Kit includes :
82200 O-ring
31160 Ruber seal

$4.95

$ 7.89

39622 Bell housing gasket kit

39622 Bell housing gasket

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

27-94996T2

$4.95

$ 9.89

39640 Mercruiser Bravo install kit

39640 Bravo bell housing parts kit

P/N 39640
Mercruiser Bravo bell housing install kit.

OEM 16755Q1

$4.95

$ 7.89

Gasket and sealing compounds

exhaust bellows, Seal Kits

508235 OMC Johnson Compound - 4 OZ (118ml)

P/N 508235 Gasket compound – 4 FL. OZ (118 ml). This is used on the o-rings and gaskets when re-sealing the outdrive.

$22.95

$27.89

outdrive tools

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

$11.89

Mercruiser seal kits *R *MR *Alpha 1 *Gen 2

680 Loctite

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.

$9.95

$11.89