OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives
Mercury outboard seal kit
4 to 250 hp. complete gasket, o ring and seal kits
for outboard motors
Updated May 2 2026
- All kits include oil seals, gasket, o rings.
- Recommended gasket compound 508235.
- OEM part number, horse power and year for easy look up.
- Contact our tech department for installation help.
Mariner / Mercury outboard seal kit
P/N 87574
4 hp years
1982 to 1986
US
5595532 – 0A 809600
Canada 7143688 – up
4.5 hp years
1975 – 1979
US 4107220 – up
Canada 7045758 – up
7.5 hp year 1978
9.8 hp. 110 model years 1979 – 1985
USA 4839254 – up
Canada
7111348 – up
$34.95 US
$ 58.89 CDN
P/N 87576
Replaces
26 – 41365 A3
1 and 2 cylinder 6, 8, 9.9 and 15 up years 1986 to 1998
6 hp
years 1986 to 1993
0A 197112 – up
8 hp
years 1986 to 1993
0A 197112 – up
8 hp
years 1986 to 1993
Bodense, 4 stroke
0H 00058 – 0H 017349 0G 760300 – up
9.9 hp. years
1986 to 1993
0A 197112 and Up
9.9 hp 4 stroke year 1999
0H 00058 – 0H 17349
years 1990 to 1993
0G 760300 – up
10 hp XR10
SeaPro 10
Years 1990 to 1993
0D 038000 up
10 hp Magnum years 1990 – 1993
0D 038 000 up
15 hp 15 SeaPro / marathon
years 1988 – 1993 0B 292414 up
$35.95 US
$63.89 Cdn
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. OB 238464 up
18 hp. (18XD)
years 1984 – 985
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. OE 268781 up
$57.95 US
$94.89 CDN
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
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 – OA 904645
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. OG 590000 up
30 hp. 2 cylinder 644cc years 1994 – 1998
USA. 053314 up
40 hp. 2 cylinder 644cc years 1994 – 1998
USA. OG 053314 up
40 hp. 3 cylinder years 1997 – 1998
USA. OG 531301 up
BEL. 9973100 up
40 hp. 4 Stroke Non Big Foot year 1998
USA. OG 231123 up
45 hp. Bodensee 4 Stroke Non Big Foot years 1996 – 1998
USA. OG 231123 up
50 hp. 3 cylinder years 1991 – 1995
USA. OG 590000 up
BEL. 9973100 up
50 hp. 4 Stroke Non Big Foot years 1995 – 1998
USA. OG 231123 up
$53.95 US
$103.89 CDN
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
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
Mercury outboard seal kit
GLM part number 87540
OEM 26 – 816575 A4
V – 225 hp. 3.0 liter with C – 3 Casting
USA. serial number
OD 280813 and up
V-225 hp. 3.0 liter
Sea Pro Marathon
USA. serial number OG 245605 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
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.
0D 000750 – 0G 589999
BEL.
9683055 – 9973099
55 hp. 3 cylinder 1996
USA. 0D 000750 and up
BEL. 9741042 and up
60 hp. 3 cylinder standard, non big foot 1991 to 1995
USA. 0D 000750 and up
BEL. 9683055 and up
$40.95 US
$68.89 CDN
P/N 11800
GLM Marine gearcase seal and bearing kit for Mercury, Mariner without the forward bearing.
This is a replacement for Mercury Quicksilver number
31 – 803029 T1
$152.95 US
$236.89 CDN
P/N 11830
GLM Marine 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 – 803496 T1
$134.95 US
$209.89 CDN
P/N 11840
Gearcase seal and bearing kit for Mercury Mariner 200 to 275 hp.
Years 1994 to 1998
OEM 27 – 803806 T1
GLM aftermarket kit for Mercury, Mariner replacement on Mercury Quicksilver number 27 – 803806 T1
$162.95
$253.89 CDN
P/N 11810
GLM Marine lower 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 – 803031 T1
$149.95 US
$205.89 CDN