MerCruiser Alpha Gen 1 Outdrive (1973-1991)

SEI SE106 Alpha One Gen 1 Outdrive (Standard)

SEI SE106 Alpha One Gen 1 Outdrive (Standard)

Starting at $1,655.00

Gear Ratio:

1.47 (V8 5.7) 1.62 (V8 5.0/ V6) 1.81 (4Cyl 3.7) 1.94 (4Cyl 2.5/3.0)

Installation Kit

No Yes 90-106-03K

Year

1970-1977 1978 1979 1980 1981 1982 1983-1992

SEI SE106 Upper Unit (Replaces Alpha One Gen 1)

SEI SE106 Upper Unit (Replaces Alpha One Gen 1)

Starting at $825.00

Gear Ratio:

1.47 (V8 5.7) 1.62 (V8 5.0/V6) 1.81 (4Cyl 3.7) 1.94 (4Cyl 2.5/3.0)

Install Kit

No Yes 90-106-03K

Year

1970-1977 1978 1979 1980 1981 1982 1983-1992

SEI SE106 Alpha One Gen 1 Lower Unit Standard Rotation (All Ratios)

SEI SE106 Alpha One Gen 1 Lower Unit Standard Rotation (All Ratios)

$925.00

Hose Kit For Alpha One (16-3/16" & Gen II SEI MARINE PRODUCTS

SEI MARINE PRODUCTS Kit For Alpha One (16-3/16" & Gen II)

$104.95

Gen I Anode Kit, Zinc - Clauss Marine

Gen I Anode Kit, Zinc

$55.39

Lower Shift Cable Assembly for SEI 9A-102, 9A102 Sterndrive Boat Marine Engines - Clauss Marine

Lower Shift Cable Assembly for SEI 9A-102, 9A102 Sterndrive Boat Marine Engines

$45.00

SEI Marine SE106 Gen 1 Install Kit

SEI Marine SE106 Gen 1 Install Kit

$59.99

Quicksilver SAE 90 High Performance Gear Lube - Clauss Marine

Quicksilver SAE 90 High Performance Gear Lube

$16.03

OEM Quicksilver/Mercury Alpha 1 & O/B Impeller 47-89984T 4 - Clauss Marine

OEM Quicksilver/Mercury Alpha 1 & O/B Impeller 47-89984T 4

$29.57

Panther Safe Skeg - Mercury I/O Alpha 1 Drives 1985-1990 35-SS605 - Clauss Marine

Panther Safe Skeg - Mercury I/O Alpha 1 Drives 1985-1990 35-SS605

$102.95

KEELGUARD 27011 SKEGGUARD-PRE ALPHA 1 - Clauss Marine

KEELGUARD 27011 SKEGGUARD-PRE ALPHA 1

$103.50

SEI SE106 Alpha One Gen 1 Outdrive (Counter)

SEI SE106 Alpha One Gen 1 Outdrive (Counter)

Starting at $1,855.00

Gear Ratio:

1.47 (V8 5.7) 1.62 (V8 5.0 / V6) 1.81 (4 cyl 3.7) 1.94 (4 cyl 2.5/3.0)

Installation Kit

No Yes 90-106-03K

Year

1970-1977 1978 1979 1980 1981 1982 1983-1992

Simrek Summit MerCruiser Alpha Drive Shower

Simrek Summit MerCruiser Alpha Drive Shower

$209.95

SEI MerCruiser Alpha Gen 1 Hose & Hardware Kit for Alpha I 16-3/16" Cylinder

SEI MerCruiser Alpha Gen 1 Hose & Hardware Kit for Alpha I 16-3/16" Cylinder

$170.00

SEI MerCruiser Alpha Gen 1 Trim Cylinder Hardware Kit

SEI MerCruiser Alpha Gen 1 Trim Cylinder Hardware Kit

$89.99

MerCruiser OEM Alpha One Gen 1 Complete Outdrive

MerCruiser OEM Alpha One Gen 1 Complete Outdrive

$3,799.99

CHOOSE YOUR GEAR RATIO

1.47/1.50 | 20-22 Tooth Count 1.62/1.65 | 24-24 Tooth Count 1.81/1.84 | 17-19 Tooth Count 2.00 | 24-24 Tooth Count (HA Lower Unit)