OMC Parts Drawing *Cobra *Mercruiser *Alpha SEI Outdrives

4 Cylinder, V6 / V8 GM Chevy outdrive and engine water pump

Last updated on 10/15/2023

  • 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)
  • GLM Marine recirculating engine water pumps

Photo

Description / OEM #

Price
(USD)

Price (Canadian)

Water pump kits

12043 Water pump service kit

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

$ 58.89

Water pump kits

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

$ 89.89

Water pump kits

12414 Water pump kit

P/N 12414 Alpha One Generation 2 water pump kit

Parts included:
11071 Key
12341 Pump base
12413 Pump housing
12500 Wear plate
30090 Gasket
31170 Gasket (2)
31240 Gasket
82115 O-ring (2)
82150 O-ring
82210 O-ring
85590 Face seal
89630 Impeller

$109.95

$144.89

Water pump kits

89630 impeller

P/N 89630 Impeller, 1991 – present Alpha One Generation 2, serial numbers OD469859 and up)

47-43026T2

$15.95

$ 26.89

11071 Key

P/N 11071 Key

 

28-43037

$4.95

$ 7.89

Mercruiser Alpha 1 Gen 2 lower unit parts

12500 Wear plate

P/N 12500 Wear plate

817276-1

$6.95

$ 10.89

12824 Coupling assembly

12824 Mercruiser Coupling assembly

P/N 12824 Mercruiser Coupling assembly

816597A1

$9.95

$ 17.89

30090 Gasket

30090 Gasket

P/N 30090 Gasket

27-43033-1

31170 Washer

31170 Gasket

P/N 31170 Gasket

12-20260

$4.95

$4.89

gasket

31240 Gasket

P/N 31240 Gasket

27-817277-1

$4.95

$4.89

Mercruiser Alpha 1 Gen 2 lower unit parts

85140 Seal

P/N 85140 Seal

26-45577-1

$4.95

$4.89

face seal

85590 Face seal

P/N 85590 Face seal

26-816575A2

$4.95

$4.89

12341 Pump base

P/N 12341 Pump base

807929A1

$22.95

$ 36.89

12413 Alpha 1 Gen 2 Pump housing

P/N 12413 Alpha 1 Gen 2 Pump housing

Mercruiser Alpha 1 Gen 2 lower unit parts

30090 Gasket

P/N 30090 Gasket

 

27-43033-1

$4.95

$4.89

82115 O ring 25-21836

82115 O-ring

P/N 82115 O-ring

 

25-21836

82150 O-ring

P/N 82150 O-ring

25-35027

$4.95

$4.89

82210 O rings 5 pack

82210 O-ring

P/N 82210 O-ring (5 units)

25-21836

$4.95

$4.89

People who purchased the above also purchased the following:

Photo

Description / OEM #

Price
(USD)

Price (Canadian)

Engine water pump, M 508235 Engine Overhaul Gasket Set, 508235 OMC Johnson sealing compound

508235 OMC Johnson Compound - 16 OZ

P/N 508235 Gasket sealing compound – 16 FL. OZ (470 ml). This sealant is used on the o-rings and gaskets when re-sealing the outdrive.

$29.95

$38.89

Johnson gasket compound 508235

P/N 508235 Gasket sealing compound – 4 FL. OZ (118 ml). This sealant is used on the o-rings and gaskets when re-sealing the outdrive.

$22.95

$27.89

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
15100 Chevy engine water pump

15100 Chevy 4-6 inline water pump

P/N 15100
Chevrolet inline 4 cylinder water pump
OEM: 884727, 3854017

153 CID – 2.5 Liter
181 CID – 3.0 Liter

$96.95

$127.89

15201 Engine water pump, V6 Mercruiser manifold & riser 4"

15201 Chevy V6-V8 Engine water pump

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

15301 Chevy 4-6 inline water pump

15301 Water circulating pump

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

$156.95

$ 256.89

Install instructions for V4, V6 and V8 engines

Complete water pump kit

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