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

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

Alpha 1 Bearing *Upper cover O.D. 1-25/32

GLM Marine aftermarket parts upper cover bearing assembly P/N 21511 for the stern drive shaft housing

  • Upper cover Timken tapered roller bearing assembly for the Alpha 1 stern drive
  • O.D. 1-25/32
  • Timken inner cone LM11949
  • Timken outer race LM11910
  • Replacement aftermarket bearing
  • OEM 31-32575T1
  • See our tapered roller bearings page for the O.D. 15/16 upper cover bearing and other upper gearcase Timken bearings

21511 Alpha 1 bearing cover 1-25/32

21511 Alpha 1 bearing cover 1-25/32

P/N 21511
OEM 31-32575T1
$8.95

Customers also looked at:

51140 Mercruiser Alpha One exhaust manifold elbow 807988Q03

51140 Exhaust manifold elbow

P/N 51140 Mercruiser Alpha One exhaust manifold elbow/riser $143.95

Includes:
P/N 30240 Elbow/riser gasket
P/N 21892 plug
P/N 22379 plug
P/N 22381 x 4 mounting bolts

89100 Mercruiser Alpha One Exhaust bellow 18654A1

89100 Exhaust bellow 18654A1

P/N 89100 exhaust bellow with hose clamps and grounding clips. Replaces 18654A1 or Sierra 18-2750 $22.95

88020 Mercruiser Alpha One rebuild kit

88020 Alpha One rebuild kit

P/N 88020 Outdrive service kit for MR/Alpha 1 1984-1990 $99.95

Parts included:
P/N 87500 Upper housing seal kit
P/N 12120 Water pump impeller kit
P/N 87510 Lower unit seal kit

12110 Mercruiser Water pump kit 46-57234A3

12110

P/N 12110 Mercruiser water pump kit 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