OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

Mariner / Mercury outboard seal kit

4 to 250 hp. complete gasket, o ring and seal kits
for outboard motors

Last updated on 10/17/2023
  • All kits include oil seals, gasket, o rings.
  • It is recommended to use gasket compound (P/N 508235) when installing.
  • OEM part number, horsepower and year for easy compatibility look up.
  • Contact our tech department for installation help.

Mariner / Mercury outboard seal kit

P/N 87574
Mercury outboard 4.5 to 9.8 hp

Replaces 26-77066A1
1 and 2 cylinder
years 1975-1986

P/N 87574

4 hp years 1982-1986
US 5595532-0A809600
Canada 7143688-up

4.5 hp years 1975-1979
US 4107220-up
Canada 7045758-up

7.5 hp year 1978 only

9.8 hp. 110 model years 1979-1985
USA 4839254-up
Canada 7111348-up

$34.95 US

$ 58.89 CDN

87576 Mercury 2 cylinder 6-15 hp

P/N 87576

Replaces 26-41365A3

1 and 2 cylinder 6, 8, 9.9 and 15 up years 1986-1998

6 hp years 1986-1993
0A197112-up

8 hp years 1986-1993
0A197112-up

8 hp years 1986-1993 Bodense, 4 stroke
0H00058-0H017349, 0G760300-up

9.9 hp. years 1986-1993
0A197112 and Up

9.9 hp 4 stroke year 1999
0H00058-0H17349
years 1990-1993 0G760300-up

10 hp XR10, SeaPro 10
years 1990-1993 0D038000-up

10 hp Magnum years 1990-1993
0D038000-up

15 hp 15 SeaPro / marathon
years 1988-1993 0B292414-up

$35.95 US

$63.89 Cdn

87810 seal kit 18 and 25 hp

P/N 87810

18 hp.
USA. 5837437- 6443972
AUS .8071973 up
BEL. 9308306 – 94151
CAN. 7173723 -72095

25 hp.
USA. 5705532- 6443972
AUS. 8073158 up
BEL. 9315316- 9415100
CAN. 7166928-7209532

$13.95 US

$22.89 Cdn

87808

P/N 87808

15 hp. XD Sea Pro/Marathon
years 1997-1998
BEL. 9927000 up 15 hp.

Super 15 USA. OB238464 up

18 hp. (18XD)
years 1984-1985
USA. 6443973 up
BEL. 9378151 up
CAN. 7209533 up

20 hp. (20, 20XD)
years 1987-1987
USA. 6443973 up
BEL. 9415101 up
CAN. 7209533 up

25 hp. (25, 25XD)
year 1983 and 1/2 of 1984
USA. 6416713 up BEL. 9378116 up
CAN. 7207858 up 25 hp.

Lightning 3 cylinder
year 1997
USA. OE268781 up

$57.95 US

$94.89 CDN

87575 18 and 25 hp

P/N 87575

GLM Marine part number 87575 OEM 26-85090A1

18 hp. years 1980 to 1983

USA. 5837437- 6443972
AUS .8071973 up
BEL. 9308306 – 9415100
CAN. 7173723 -7209532

25 hp. years 1980 to 1983

USA. 5705532- 6443972
AUS. 8073158 up
BEL. 9315316- 9415100
CAN. 7166928-7209532

$77.95 US

$108.89 CDN

87520 75 to 225 hp

P/N 87520

75 hp. 4 cylinder
USA. 6432901 up
BEL. 9393856 up
CAN. 7208573 up

80 hp. 800, 4 cylinder
USA. 4831999 – 6432900
AUS. 8050200 up
BEL. 9177626 – 9393855
CAN. 71109 – 7208572

90 hp. 900, 6 cylinder
USA. 4845301 up
CAN. 7111698 up
AUS. 8060545 up

115 hp. 1150, 6 cylinder
USA. 4855153 up
AUS. 8051950 up
CAN. 711248 up

140 hp. 1400 6 cylinder
USA. 4865678 up
AUS. 8052650 up
CAN. 7112773 up

V-150 hp. 1500
USA. 4868998-OA904645

V-175 hp. 1750
USA. 4301235 – 6618750
AUS. 8058870 up

V-200 hp. 2000
USA. 4839034 – 6625220
AUS. 8061595 up

V-225 hp.
USA. 5628028 up

$62.95 US

$115.89 CDN

87514

P/N 87514

25 hp. 4 Stroke year 1998
USA. OG590000 up

30 hp. 2 cylinder 644cc years 1994-1998
USA. 053314 up

40 hp. 2 cylinder 644cc years 1994-1998
USA. OG053314 up

40 hp. 3 cylinder years 1997-1998
USA. OG531301 up
BEL. 9973100 up

40 hp. 4 Stroke Non Big Foot year 1998
USA. OG231123 up

45 hp. Bodensee 4 Stroke Non Big Foot years 1996-1998
USA. OG231123 up

50 hp. 3 cylinder years 1991-1995
USA. OG590000 up
BEL. 9973100 up

50 hp. 4 Stroke Non Big Foot years 1995-1998
USA. OG231123 up

$53.95 US

$103.89 CDN

Mariner / Mercury Outboard Parts

87530 seal kit 35-70 hp

P/N 87530

35 hp. 2 cylinder
USA. 6445653 up
BEL. 9384476 up
CAN. 7209608 up

40 hp. 2 cylinder
USA. 4860103-OG053313
AUS. 8052125 up
BEL. 9184451 up
CAN. 7112423 up

40 hp. 4 cylinder
USA. OC159200 up
BEL. 9570790 up
USA. 5531630 up
AUS. 8063985 up
BEL. 9248006 up
CAN. 7143688 up

50 hp. 4 cylinder
USA. 4357640 up
CAN. 7068998 up
AUS. 8030090 up
BEL. 9107214 up

50 hp. 3 cylinder
USA. 6428681-OD000749
BEL. 9385911-9683054
CAN. 7208333 up

60 hp. 3 cylinder
USA. 6428681-OD000749
BEL. 9385911-9683054
CAN. 7208333 up

70 hp. 3 cylinder
USA. 4571652-OA996141
AUS. 8042350 up
BEL. 9135825-9385910
CAN. 7087823-7208332

$52.95 US

$90.89 CDN

87590 seal kit 50-125 hp

P/N 87590

50 hp. 4 Stroke Big Foot
USA. OG231123 up

60 hp. 3 cylinder Big Foot
USA. OD000750 up
BEL. 9683055 up

70 hp. 3 cylinder
USA. OA996142 up
BEL. 9483121 up

75 hp. 3 cylinder
USA. OC222000 up
BEL. 9589039 up

80 hp. 3 cylinder
USA. OA996142 up
BEL. 9483121 up

90 hp. 3 cylinder
USA. OA996142 up
BEL. 9483121 up

100 hp. 4 cylinder
USA. OB209468 up
BEL. 9523034 up

115 hp. 4 cylinder
USA. OC100000 up
BEL. 9559771 up

125 hp. 4 cylinder
USA. OD283222 up
BEL. 9793577 up

$47.95 US

$78.89 CDN

87540

P/N 87540

Aftermarket Mercury outboard seal kit

GLM Marine part number 87540 OEM 26-816575A4

V-225 hp. 3.0 liter with C-3 Casting
USA. serial number OD280813 and up

V-225 hp. 3.0 liter
Sea Pro Marathon
USA. serial number OG245605 and up

$45.95 US

$ 76.89 CDN

87513 20 hp motor

P/N 87513

V-200 hp. DFI 3.0 liter
USA. OG386496 up

V-225 hp. 3.0 liter with C-2 Casting
USA. OD280813 up

V-225 hp. 3.0 liter Sea Pro Marathon
USA. OG245605 up

V-225 hp. EFI 3.0 liter
USA. OG129222 up

V-225 hp. DFI 3.0 liter
USA. OG590000 up

V-250 hp. EFI 3.0 liter
USA. OG129222 up

$28.95 US

$52.89 CDN

87512 225 hp to 3.0 liter engine

P/N 87512

V 225 hp. 3.0 liter with C-3 Casting
USA. OD280813 up

V-225 hp. 3.0 liter Sea Pro Marathon
USA. OG245605 up

$35.95 US

$60.89 CDN

87809 Chrysler-Force 50-55-60 hp

P/N 87809

50 hp. 3 cylinder 1991 to 1995
USA. 0D000750-0G589999
BEL. 9683055-9973099

55 hp. 3 cylinder 1996
USA. 0D000750 and up
BEL. 9741042 and up

60 hp. 3 cylinder standard, non big-foot 1991 to 1995
USA. 0D000750 and up
BEL. 9683055 and up

$40.95 US

$68.89 CDN

11800 w Mercury outboard for 150-175 and 200 hp seal bearing kit OEM number 31-803029T1.

P/N 11800

GLM Marine aftermarket gearcase seal and bearing kit for Mercury, Mariner without the forward bearing.

This is a replacement for Mercury Quicksilver number 31-803029T1

$152.95 US

$236.89 CDN

P/N 11830

GLM Marine aftermarket gearcase seal and bearing kit for Mercury, Mariner

75, 90 and 115 hp. 4 Stroke outboard lower units.

Includes bearings, gaskets, seals, o rings and shim set.

Replacement for Mercury Quicksilver number 31-803496T1

$134.95 US

$209.89 CDN

11840 Mercury outboard lower unit 200-225-250 hp seal bearing kit 31-803806T1.

P/N 11840

Gearcase seal and bearing kit for Mercury Mariner 200 to 275 hp.
Years 1994 to 1998 OEM 27-803806T1

GLM aftermarket kit for Mercury, Mariner replacement on Mercury Quicksilver number 27-803806T1

$162.95

$253.89 CDN

11800 w Mercury outboard for 150-175 and 200 hp seal bearing kit OEM number 31-803029T1.

P/N 11810

GLM Marine aftermarket gearcase seal, gasket and bearing kit.

Lower unit kit for Mercury, Mariner 135 to 200 hp.

Kit comes without the forward bearing.

Replacement kit for Mercury Marine Quicksilver original equipment part number 31-803031T1

$149.95 US

$205.89 CDN