Alpha 1 and Generation 2 Outdrive Parts Drawings

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Alpha One and generation 2 water pump kit

Outdrive kits and engine water circulating pumps

  • Compatible with all Chevy/GM and Ford inboard motors and all Alpha 1 models (1984 and up)
  • Mercruiser sterndrives Water pump kits #12120 and #88020 include the key - most competitor kits do not include this part
  • Full 2 year warranty on all GLM Marine products
  • Make sure to grease the drive shaft when installing the housing and impeller, and use a gasket sealant on the gaskets
  • GLM drive shaft adaptor tool can be used to turn drive shaft clockwise when fitting housing and impeller together

Lower Unit - Outdrive Water Pump Service Kits

Please click on photo for exploded view

12120 water

12120 water

P/N 12120 Water Pump for the Alpha One lower unit 1984 - 1990. $35.15
(1984 - 1990) S/N 6854393 - OD469858
Includes:
P/N 89840 / 47-89984T4
P/N 12410 / 46-96148T1 Housing
P/N 12322 / 46-44292A3 Base
P/N 12510 / 32435 Wear plate
P/N 11070 / 28-56654 Key
P/N 12820 / 23-29804T Guide tube
P/N 12810 / 48752 Cup
P/N 31010 / 27-85608-1 Gasket

Sierra SIE 18-3320

Sierra SIE 18-3320

Sierra / Teleflex 18-3320 / 1984 - 1990. OEM 46-44292A5. $43.00

88020 Sterndrive pump 1984-1990

88020 Sterndrive pump 1984-1990

P/N 88020 Complete stern drive rebuild kit $99.15
(1984 - 1990) S/N 6225577 - OD469858
*Includes all seals for upper and lower unit
Parts included:
P/N 89840 / 47-89984T4
P/N 12410 / 46-96148T1 Housing
P/N 12322 / 46-44292A3 Base
P/N 12510 / 32435 Wear plate
P/N 11070 / 28-56654 Key
P/N 12820 / 23-29804T Guide tube
P/N 12810 / 48752 Cup
P/N 31010 / 27-85608-1 Gasket
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 31010 Gasket / 27-85608-1
P/N 31050 Gasket / 27-42631-1
P/N 85040 Oil seal / 26-16977
P/N 85070 Oil seal / 26-89238
P/N 85581 Oil seal / 26-816464
P/N 85700 Oil seal / 26-12224
P/N 85140 Seal / 26-45577-1
P/N 12830 Seal / 25-39970
P/N 21330 Slinger / 25-30271
80420 O-ring / 25-32546
P/N 80190 O-ring / 25-55801
P/N 81180 O-ring / 25-25439
P/N 82380 O-ring / 25-70937
P/N 85020/85060/85030 Oil seals / 26-32511/26-96503/26-823894
P/N 31150 Gasket / 27-55810-1
P/N 85150 Grommet / 26-36557

12043 Impeller kit OEM 47-43026K06

12043 Impeller kit OEM 47-43026K06

P/N 12043 Impeller kit for Mercruiser 1991 and up models.
Impeller kit $31.15
Includes coupling assembly P/N 12824 OEM 816597A1
(1991 and up) S/N OD469859 and up

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

12080

12080

P/N 12080 Impeller kit $57.15

Includes carrier assembly P/N 12341 OEM 807929A1
Alpha One Generation 2 - Mecruiser (1991 and up) S/N OD469859 and upParts included:
P/N 12500 Wear plate / 817276-1
P/N 30090 Gasket / 27-43033-1
P/N 89630 / 47-43026T2
P/N 12341 Carrier assembly / 807929A1
P/N 31240 / 27-817277

817275Q4

817275Q4

P/N 12414 Most popular complete rebuild kit. Replaces 817275T4. $99.15 Includes steel housing P/N 12413 Generation 2 - Mecruiser (1991 and up) S/N OD469859 and up.

 

Sierra / Teleflex 18-3147 Rebuild kit for Generation 2 - 1991 and up $149.15

Engine Cooling

15201 Chevy GM V6-V8 small block

15201 Chevy GM V6-V8 small block

P/N 15201 GM/Chevy V6 / V8 small block $91.15
*Includes mounting gaskets P/N 31380 / 27-34897
Fits metal and composite timing cover chain
229 3.8 liter, 262 4.3 liter, 305 5.0 liter and 350 5.7 liter

15100

15100

P/N 15100 Chevy inline 4 / 6 cylinder marine engine circulating pump $91.15
Includes mounting gasket P/N 31350 / 827-33956
153 2.5 liter, 181 3.0 liter and 250 4.0 liter engines

15301

15301

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

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 / 27-56880
302 CID 5.0 Liter / 351 CID 5.8 Liter

Mercury / Quicksilver 71683. Same as above, but OEM brand. $69.15 - on clearance.