Alpha 1 & Gen. 2 Outdrive Parts *Drawings *Videos

T.C. Electronics / Marine ( 416 ) 751-7326 home page

Mercruiser Alpha 1 seal *Lower gearcase part

GLM Marine aftermarket stern drive water pump seal for the lower gearcase

  • Seal is used in between the tube guide and pump housing
  • OEM number: 26-38970
  • GLM Marine number: 12830

Tech support exploded view drawings
Search by part number or description here

12830 seal

12830 seal

P/N 12830 Seal $4.29

Customer who bought P/N 12830 also purchased:

87510 Mercruiser Lower Seals 26-33144A2
87510

P/N 87510 Lower gear case complete seal kit for Mercruiser and Alpha 1, Gen 1 models. Compatible up to 1990. For Gen 2, use P/N 87511. Replaces Mercury 26-33144A2. $35.15

12120 Alpha One

12120 Alpha One

P/N 12120 Alpha 1 outdrive water pump kit 1984-1990 $35.15

(1984 - 1990) S/N 6854393 - OD469858
Includes:
P/N 89840 Impeller 47-89984T4
P/N 12510 Wear plate 32435
P/N 12820 Guide tube 23-29804T
P/N 12410 Housing 46-96148T1
P/N 12322 Base 46-44292A3 
P/N 11070 Key 28-56654P/N 12810 Cup 48752
P/N 31010 Gasket 27-85608-1