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

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

Alpha 1 cover bearing *Outer diameter 1-15/16"

GLM Aftermarket upper cover bearing P/N 21510 for the Alpha 1 stern drive upper gearcase

  • Upper cover Timken tapered roller bearing assembly for the Alpha 1
  • Outer diameter (1-15/16")
  • Timken inner cone 09067
  • Timken outer race 09196
  • Aftermarket GLM Alpha 1 OEM 31-61100A1
  • Alpha 1 drawings search by part number or description here 
  • For (O.D 25/32") upper cover and other upper gear-case timken, see our tapered roller bearings page

21510 bearing cover 1-15/16

21510 bearing cover 1-15/16

P/N 21510 for
upper gearcase
cover or top
$28.95
#31-61100A1

Customers also looked at:

21950 Mercruiser Alpha One transom bellows kit 30-803097T1

21950 Bellows kit

P/N 21950 Transom Mercruiser Alpha One bellows kit (1973-1990), serial numbers 3469428 - 0D469800. 30-803097T1 $145.95

Includes:
P/N 89100 exhaust bellow
P/N 89050 drive shaft bellow
P/N 21906 Gimbal bearing
P/N 39622 bell housing gasket
P/N 47110/47120 water hoses
P/N 89080 shift cable bellow
P/N 85910 oil seal

12043 Mercruiser Alpha One Gen 2 impeller kit 47-43026Q06

12043 Impeller kit

P/N 12043 Gen 2 impeller kit with coupling for Gen 2 Alpha 1 Generation 2 (1991 and up) Serial numbers OD469859 and up. *Does not include housing. $37.95

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

21450 Mercruiser Alpha One shift cable 865436A03

21450 Shift cable 865436A03

P/N 21450 shift cable. Updated cable with larger core wire. Compatible with 1967 - present Mercruiser and Alpha 1 and Gen 2 models. OEM 865436A03 $89.95

12110 Mercruiser Water pump kit 46-57234A3

12110

P/N 12110 water pump with housing. For years 1970 - 1983 Serial numbers 2763442 - 6854392 $39.95

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