Mercruiser Alpha one water pump kit

All GLM Marine aftermarket water pump kits kits include: seal, gaskets, o-rings and impeller
When installing, make sure to use gasket sealing compound on o-rings and gaskets (shown below)
1967 - 1990 Mercruiser models (up to Alpha One gen 1)
GLM Marine recirculating engine water pumps

12110 Water pump kit	P/N 12110 lower unit water pump kit (1970 - 1983, serial numbers 2763442-6854392) Parts included: 12312 46-57234T1 Base 12410 46-96148T1 Housing 12510 32435-1 Wear Plate 12820 23-29804T Guide Tube 21330 25-30271 Slinger 31010 27-85608-1 Gasket 31020 27-858524 Gasket 31040 27-856704 Gasket 31170 (2) 12-19183-3 Gasket 81160 25-30613 O-ring 85140 26-45577-1 Seal 89840 47-89984T4 Impeller	$44.95	$54.95
88010 Service	P/N 88010 Water pump kit complete rebuild, includes upper and lower unit seals and gaskets. (1970 - 1983, serial numbers 2763442-6854392)	$140.95	$185.95
12120 Alpha 1	P/N 12120 Impeller kit for Mercruiser outdrives with housing (1984 - 1990 serial numbers 6854393-OD469858) Parts included: 12321 46-57234A1 Base 12410 46-96148T1 Housing 12510 32435-1 Wear Plate 12820 23-29804T Guide Tube 21330 25-30271 Slinger 31010 27-85608-1 Gasket 31020 27-858524 Gasket 31040 27-856704 Gasket 31170 (2) 12-19183-3 Gasket 81160 25-30613 O-ring 85140 26-45577-1 Seal 89840 47-89984T4 Impeller	$37.95	$47.95
88020	P/N 88020 Outdrive service, includes impeller and upper housing and lower gearcase seal kit. (1984 - 1990 serial numbers 6854393-OD469858)	$140.95	$185.95
12130 Mercruiser impeller MC-1	P/N 12130 Parts (1966 - 1969, serial numbers 2495186-2763441)	$70.95	$93.95
12290	P/N 12290 Impeller service, without housing. (1966 - 1990, serial numbers 2495186-OD469858) Parts included: 12510 32435-1 Wear Plate 12820 23-29804T Guide Tube 12830 26-38970 Grommet 21330 25-30271 Slinger 31010, 31020, 31030, 31040 Gaskets 31170 (2) 12-19183-3 Gasket 81390, 81160, 82260, 82250 O-ring 85140 26-45577-1 Seal 89840 47-89984T4 Impeller	$25.95	$32.95
39530	P/N 39530 Mercruiser water pump housing gasket and seal, without housing. Years 1966 to 1990, serial numbers 2495186-OD469858	$21.95	$25.95
12043	P/N 12043 Impeller kit (1991 and up Alpha One Generation 2 with serial numbers OD469859 and up Parts included: 11071 Key 12500 Wear plate 12824 Coupling Assembly 30009 Gasket 31170 Gasket 31240 Gasket 85140 Seal 85590 Seal 89630 Impeller	$37.95	$49.95
12080 Gen 2	P/N 12080 Alpha One Generation 2 water pump impeller kit for years 1991 and up Generation 2, serial numbers OD469859 and up Parts included: 12341 Carrier assembly 12500 Wear plate 30009 Gasket 31240 Gasket 89630 Impeller	$57.95	$75.95
89840 Impeller	P/N 89840 Impeller, 1966-1990 (MC-1, R, MR, Alpha 1 serial numbers 2495186-OD469858) 47-89984T4	$16.95	$21.95
89630	P/N 89630 Impeller, 1991 - present Alpha One Generation 2, serial numbers OD469859 and up) 47-43026T2	$19.95	$23.95
508235 OMC Johnson Compound	P/N 508235 Gasket sealing compound. This sealant is used on the o-rings and gaskets when re-sealing the outdrive.	$24.95	$32.95
	GLM Marine recirculating Mercruiser engine water pumps Stainless Steel Backing Plate Stainless banded ceramic seal seat Bi-Directional and Balanced Stainless steel seal cup and spring Machined Brass Impeller Epoxy Painted Pump Housing
	P/N 15201 Chevrolet inline 4 cylinder water pump OEM: 884727, 3854017 153 CID - 2.5 Liter 181 CID - 3.0 Liter
	P/N 15201 Inline 6 Cylinder engines small block engine water pumps OEM: 884727, 3854017 229 CID - 3.8 Liter 262 CID - 4.3 Liter 250 CID - 4.0 Liter 305 CID - 5.0 Liter 350 CID - 5.7 Liter
	P/N 15301 Chevrolet V8 big block engines New style water pump OEM: 850454 with 409 CID 6.6 Liter 427 CID 6.9 Liter 454 CID 7.4 Liter 502 CID - 8.2 Liter

Install instructions for V4, V6 and V8 engines

Complete water pump kit

Slide water tube grommet into water pump housing, then install guide tube with grommet onto water pump housing.
Install gasket compound on small 0-ring into water pump housing and install impeller cup.
Glue seal into groove on water pump housing, set aside.
Clean gasket surface on gearcase. Install gasket and impeller plate onto gearcase.
Install key and 0-ring onto driveshaft. Slide impeller down driveshaft with 0-ring groove facing down, until it seats.
Lightly lubricate impeller housing with soapy water. Do not install impeller dry use a weel bearing grease.
Slide impeller housing over impeller.
While turning driveshaft in a clockwise direction push down on impeller housing.
Tighten bolts, grease driveshaft splines.