( Click here for home page )

Mercruiser Alpha 1 Gen 2 outdrive parts *Upper Lower gearcase

GLM aftermarket Mercruiser Alpha One generation 2 outdrive
Replacement parts stern drive repairs and rebuild costs

Part lookup by OEM number or description

Click image below for exploded view diagram

Mercruiser Alpha One Gen 2 upper 1991-1997
Mercruiser Alpha One Gen 2
upper 1991-1997
Mercruiser generation 2 upper gearcase
Mercruiser Alpha One Gen 2
upper 1998 & up
Mercruiser Alpha 1 Gen 2 lower unit

Alpha 1 Gen 2 lower unit

Gimbal housing
Gimbal housing
Mercruiser Repair Costs
Repair Costs
Bell housing layout

Bell housing layout


Upper gearcase repair cost

Trim cylinder bushing kit parts

Trim cylinder / bushing kits

Transom Kits
87511 Alpha 1 Gen 2 seal kit
Seal Kits
Alpha one generation 2
Water pump kits
Outdrive Shift Cable

Shift Cables

Exhaust bellows
28030-28040 U-joints

U-joints and yokes

Generation 2 exhaust manifold

Exhaust Manifold

Trim tab anode

Trim tab anode

Outdrive Upper-Lower Gearcase Bearings
Alpha 1 Gen 2 engine overhaul gasket set

Engine overhaul gasket set

Mercruiser thermostat kit

Mercruiser thermostat kit

Mercruiser Alpha 1 Gen 2 engine coupler

Engine coupler

Mercruiser Alpha One Drive Shaft
Drive Shafts
24958 Kit

Water separating fuel filter kits

Chevy inline water pump

Engine water circulation pump

Carburetor kits

Carburetor repair kits

Bearing Carrier

Bearing Carrier

Top cover assembly

Top cover assembly

Prop nut kit

Propeller nut


Our standard shipping rate is for FedEx 2 day express to the United States and Central Canada for 5lbs or less. Overnight express, and ground shipping is also available. We also ship to all of Europe, the UK, Australia and New Zealand.


We stock new and used Mercruiser outdrive parts. Alpha 1 or gen 2 (all years) components. There is an on line schematic to locate gear sets, water pumps and upper-lower gearcase bearings. Exploded view drawings show seal kit parts included, engine gasket sets and Alpha 1 or gen 2 exhaust manifold kits and more.


We offers repairs to upper gear housing units and lower unit gear case units. New Sterndrive We carry new replacement stern drive units, complete with a 2 year warranty. No core charge required.

Exhaust Manifold & Elbow Assembly Note
  1. Make sure all gasket surfaces are clean, free of grease and install the new water hose fittings in exhaust manifolds. Tighten securely and position opening towards front of engine, facing slightly outboard (approx. 10-15 degrees).
  2. Install the new exhaust manifolds with the new gaskets. Torque the exhaust manifold screws to 33 ft.lbs. (45Nm) for cast iron manifolds (see Fig. 2).
  3. Install the starboard water hose and tighten hose clamp securely.
  4. Route the port water hose beneath the power steering pump and install on hose fitting. Tighten hose clamp securely (see Fig. 3).
  5. Ensure the water shutters are in good condition and installed in the lower exhaust Y-pipe.
  6. Install plugs in new exhaust elbows tighten securely and apply sealant to the threads of the exhaust elbow to exhaust manifold screws.
  7. Install the exhaust elbows to the manifolds using the new gaskets and screws (see Fig. 4). Torque the screws to 33 ft.lbs. (45Nm) for cast iron elbows.

Connect the intermediate exhaust elbows to the exhaust elbows with the exhaust tubes and clamps included in the kit. Tighten clamps securely.

Shipping Locations

Monrovia, California 91016 USA.
Toronto, Ontario M1R 5G2 Canada.

Tech Support

Technical support available from our Toronto, Canada location.

Payment Methods

Visa, Master-card. Pay-Pal, International money order, bank transfer.