Mercruiser Outdrive Parts Drawings *How to Videos

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Mercruiser water pump kit / Outdrive and engine

Engine and water pump kits for Mercruiser model years 1965 and up
  • Complete GLM Marine and Sierra lower unit kits for MC-1 / R / MR and Alpha 1 stern drives.
  • In-line 4, 6 cylinder and V8 model Mercruiser outdrives from year 1965 and up.
  • Engine water pumps for Chevy in-line 4 and 6 cylinders. 4.3 liter V6, 5.0 and 5.7 liter small block. 7.5 liter 460 V8 and Ford 5.0 liter V8 engines.
  • Remember to use a small amount of grease on the impeller and o rings when installing a new impeller.
  • Use a gasket sealant compound on the housing gaskets.

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Outdrive water pump service kits

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12110 MC 1 R 1970-1983
12110 MC 1 R 1970-1983

P/N 12110 GLM Water pump kit $41.00
Mercruiser MC-1 / R years 1970 - 1983
Serial numbers 2763442 - 6854392

Includes:
P/N 89840 OEM 47-89984T4 Impeller
P/N 11070 OEM 28-56654 Key
P/N 12410 OEM 46-96148T1 Pump housing
P/N 12310 OEM 46-57234T1 Pump base
P/N 12820 OEM 23-29804T Guide tube
P/N 12810 OEM 48752 Cup
P/N 12510 OEM 32435 Wear plate
P/N 31010 OEM 27-85608-1 Gasket

18-3317
18-3317

Sierra 18-3317 MC-1 / R 1970 - 1983 $52.00

12130
12130

GLM P/N 12130 assembly with flush screw. $63.00
Compatible with the MC-1 model years 1965 - 1969.
Serial numbers 2495186 - 2763441

Includes:
P/N 89840 OEM 47-89984T4 Impeller
P/N 11070 OEM 28-56654 Key
P/N 12410 OEM 46-96148T1 Pump housing
P/N 12333 OEM 46-48748T1 Pump base
P/N 12820 OEM 23-29804T Guide tube
P/N 12810 OEM 48752 Cup
P/N 12510 OEM 32435 Wear plate
P/N 31010 OEM 27-85608-1 Gasket

18-3321 1965-1969
18-3321 1965-1969

Sierra 18-3321 MC-1 1965 - 1969 kit $88.00

12120 MR Alpha 1984-1990
12120 MR Alpha 1984-1990

P/N GLM 12120 Alpha 1 water pump kit $35.00
MR / Alpha One years 1984 - 1990
Serial numbers 6854393 - OD469858

Includes:
P/N 89840 OEM 47-89984T4 Impeller
P/N 11070 OEM 28-56654 Key
P/N 12410 OEM 46-96148T1 Housing
P/N 12322 OEM 46-44292A3 Pump base
P/N 12820 OEM 23-29804T Guide tube
P/N 12810 OEM 48752 Cup
P/N 12510 OEM 32435 Wear plate
P/N 31010 OEM 27-85608-1 Gasket

 

Sierra 18-3320 MR / Alpha 1 1984 - 1990 water pump kit $43.00

88010
88010

P/N 88010 Lower unit water pump and upper - lower gearcase seal kits $99.00
Compatible with models 1 and R (1970 - 1983)
Serial numbers 2663442 - 6225576

Includes:
P/N 87500 OEM 26-32511A1 Upper housing seal kit
P/N 87510 OEM 26-33144A2 Lower unit seal kit
P/N 89840 OEM 47-89984T4 Water pump impeller
P/N 11070 OEM 28-56654 Key
P/N 12410 OEM 46-96148T1 Water pump housing
P/N 12322 OEM 46-44292A3 Water pump base
P/N 12820 OEM 23-29804T Guide tube
P/N 12810 OEM 48752 Water pump cup
P/N 12510 OEM 32435 Wear plate
P/N 31010 OEM 27-85608-1 Gasket

88020 1984-1990
88020 1984-1990

P/N 88020 Housing, impeller and outdrive seal kits $99.00
MR / Alpha 1 (1984 - 1990)
Serial numbers 6225577 - OD469858

11070 Key
11070 Key

P/N 11070 MC-1, R, MR and Alpha One impeller key OEM 28-56654

11071
11071

P/N 11071 Alpha One Generation 2 key OEM 28-43037

Outdrive impeller and gasket service kit

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12290 gasket
12290 gasket

P/N 12290 Impeller and gasket kit $31.00
Mercruiser MC-1/R/MR/Alpha 1 (1965 - 1990)
Serial numbers 2495186 - OD469858

Parts included in kit:
Impeller P/N 89840 OEM 89984T4
Wear plate P/N 12510 OEM 32435
Slinger P/N 21330 OEM 25-30271
Seal P/N 85140 OEM 26-45577-1
Guide tube P/N 12820 OEM 23-2904T
Grommet P/N 12830 OEM 26-38970
Gaskets P/N 31170 OEM 12-20260 (2 units)
Gaskets P/N 31030 OEM 27-32438
Gaskets P/N 31050 OEM 27-42631-1
Gaskets P/N 31010 OEM 27-85608-1
Gaskets P/N 31020 OEM 27-85824
Gaskets P/N 31040 OEM 27-856704
O ring P/N 82250 OEM 25-30224
O ring P/N 81160 OEM 25-30613
O ring P/N 82260 OEM 25-33145
O ring P/N 81390 OEM 25-90011
O ring P/N 82270 OEM 25-38099

39530
39530

P/N 39530 Gasket kit $11.00
Compatible with Mercruiser MC-1 / R / MR and Alpha one years 1965 - 1990
Serial numbers 2495186 - OD469858

Parts included in kit:
Slinger P/N 21330 OEM 25-30271
Seal P/N 85140 OEM 26-45577-1
Gaskets P/N 31170 OEM 12-20260 (2 units)
Gaskets P/N 31030 OEM 27-32438
Gaskets P/N 31050 OEM 27-42631-1
Gaskets P/N 31010 OEM 27-85608-1
Gaskets P/N 31020 OEM 27-85824
Gaskets P/N 31040 OEM 27-856704
O ring P/N 82250 OEM 25-30224
O ring P/N 81160 OEM 25-30613
O ring P/N 82260 OEM 25-33145
O ring P/N 81390 OEM 25-90011
O ring P/N 82270 OEM 25-38099
O ring P/N 82240 OEM 25-26722

12043
12043

P/N 12043 Impeller kit $31.00
Includes coupling assembly P/N 12824 OEM 816597A1
Mercruiser Alpha 1 Generation 2 (1991 and up)
Serial numbers OD469859 and up

Included in kit:
P/N 12500 OEM 817276-1 Wear plate
P/N 30090 OEM 27-43033-1 Gasket
P/N 89630 OEM 47-43026T2 Impeller
P/N 12824 OEM 816597A1 Coupling assembly
P/N 82110 OEM 25-21836 O Ring
P/N 85590 OEM 26-816575A2 Seal
P/N 31240 OEM 27-817277 Gasket

12080 Impeller kit Generation 2 outdrive
12080 Impeller kit Generation 2 outdrive

P/N 12080 Impeller kit $57.15
Includes carrier assembly P/N 12341 OEM 807929A1
Mercruiser Alpha One Generation 2 (1991 and up)
Serial numbers OD469859 and up

Included in kit:
P/N 12500 OEM 817276-1 Wear plate
P/N 30090 OEM 27-43033-1 Gasket
P/N 89630 OEM 47-43026T2 Impeller
P/N 31240 OEM 27-817277 Gasket
P/N 12341 OEM 807929A1 Carrier assembly

Engine units

15100
15100

P/N 15100 Chevy/GM 4 / 6 cylinder inline marine engine water pump $81.00
Includes mounting gasket P/N 31350 OEM 827-33956

153 CID 2.5 Liter
181 CID 3.0
250 CID 4.0

15201 Chevy GM V6-V8
15201 Chevy GM V6-V8

P/N 15201 GM/Chevy V6 / V8 small block $91.00
Includes 2 mounting gaskets P/N 31380 OEM 27-34897
Fits metal and composite timing cover chain

229 CID 3.8 Liter
262 CID 4.3
305 CID 5.0
350 CID 5.7

15301 Chevy V8 big block
15301 Chevy V8 big block

P/N 15301 Chevy V8 big block $138.00
Includes mounting gasket P/N 31770 OEM 27-49110
Fits both tin and aluminum timing cover chain
409 CID 6.6 Liter
427 CID 6.9
454 CID 7.4
502 CID 8.2

15400 Ford 302 351 V8
15400 Ford 302 351 V8

P/N 15400 Ford V8 small block $121.00

Includes mounting gasket P/N 31900 OEM 27-56880

302 CID 5.0 Liter / 351 CID 5.8 Liter

Quicksilver back view
Quicksilver back view
Mercury 883885
Mercury 883885

P/N 71683 Genuine quicksilver part number OEM 071683 made by ford casting number DJ3E-8605-AA $162.95

Water Circulating Pump Fits Ford V-8 engines Mercury Quicksilver OEM P/N 883885

302 CID 5.0 and 351 CID 5.8 Liter engines

18-3584 Sierra Marine, 9-42607 Mallory Marine and P/N 15400 GLM Marine products ltd.

18-3575
18-3575

Sierra P/N 18-3575 GM engine inline Bi-directional 4 / 6 cylinder water pump OEM 65142A1 $109.00

18-3573 GM 8.1
18-3573 GM 8.1

Sierra #18-3573 GM 8.1L engine big block water pump OEM # 883925 $255.00

For engines with composite timing cover

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