Mercruiser Aftermarket Replacement Sterndrive Units

Mercruiser aftermarket sterndrive units provide reliable OEM-style performance for a wide range of applications, with options including complete drives, lower units, midsections, gimbal components, seals, shafts, and trim/tilt assemblies. These precision-engineered replacements match factory tolerances, improve uptime, and offer cost-effective alternatives to rebuilds, supported by compatibility guides, upgrade options, and professional or DIY installation resources for dependable on-water performance.

 

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Replacement for Mercruiser Gen II Sterndrive Unit, Lower Assembly only, SE116Replacement for Mercruiser Gen II Sterndrive Unit, Lower Assembly only, SE116
Replacement for Mercruiser Gen II Sterndrive Unit, Lower Assembly only, SE116
From $1,072.50
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SEI Mercruiser Bravo Transom Assembly & Gimbal Housing, 9F-121SEI Mercruiser Bravo Transom Assembly & Gimbal Housing, 9F-121
SEI Mercruiser Bravo Transom Assembly & Gimbal Housing, 9F-121
$2,172.50
Trim Cylinders, SE121 for Bravo I, Bravo II and Bravo III Sterndrives
Trim Cylinders, SE121 for Bravo I, Bravo II and Bravo III Sterndrives
$176.00
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Replacement For Mercruiser Gen II Sterndrive Unit, Upper Assembly only, SE116Replacement For Mercruiser Gen II Sterndrive Unit, Upper Assembly only, SE116
Replacement For Mercruiser Gen II Sterndrive Unit, Upper Assembly only, SE116
$962.50
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SE128 Lower 1.81, 2.00 & 2.20 Ratio's (Replaces Bravo Three Lowers)
SE128 Lower 1.81, 2.00 & 2.20 Ratio's (Replaces Bravo Three Lowers)
$2,245.00
Mercruiser R/MR/Alpha 1 Sterndrive, Complete Upper & Reverse Rotation Lower Assembly, SE106Mercruiser R/MR/Alpha 1 Sterndrive, Complete Upper & Reverse Rotation Lower Assembly, SE106
Mercruiser R/MR/Alpha 1 Sterndrive, Complete Upper & Reverse Rotation Lower Assembly, SE106
$2,150.50
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Replacement for Mercruiser Gen II Sterndrive Unit, Complete Upper & Lower Assembly, SE116Replacement for Mercruiser Gen II Sterndrive Unit, Complete Upper & Lower Assembly, SE116
Replacement for Mercruiser Gen II Sterndrive Unit, Complete Upper & Lower Assembly, SE116
From $2,150.50
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SEI, SE106, Replacement Sterndrive, Upper Assembly, Short Yoke, 1.62SEI, SE106, Replacement Sterndrive, Upper Assembly, Short Yoke, 1.62
SEI, SE106, Replacement Sterndrive, Upper Assembly, Short Yoke, 1.62
$964.12
SEI, SE106, Replacement Sterndrive, Short Yoke, Complete, 1.62 Counter RotationSEI, SE106, Replacement Sterndrive, Short Yoke, Complete, 1.62 Counter Rotation
SEI, SE106, Replacement Sterndrive, Short Yoke, Complete, 1.62 Counter Rotation
$2,150.50
SEI Mercruiser Alpha 1 Gen 2 Transom Assembly & Gimbal Housing, 9F-116SEI Mercruiser Alpha 1 Gen 2 Transom Assembly & Gimbal Housing, 9F-116
SEI Mercruiser Alpha 1 Gen 2 Transom Assembly & Gimbal Housing, 9F-116
$2,062.50
Aluminum Anode Kit, Gen II Sterndrives (1991-Present), Flat Style<br>
Aluminum Anode Kit, Gen II Sterndrives (1991-Present), Flat Style
$74.57
Zinc Anode Kit, Gen II Sterndrives (1991-Present), Flat Style<br>
Zinc Anode Kit, Gen II Sterndrives (1991-Present), Flat Style
$76.21
Hardware Kit for External Line Cylinders Pre-Alpha (1970-1982)
Hardware Kit for External Line Cylinders Pre-Alpha (1970-1982)
$82.50
Replacement Mercruiser R/MR/Alpha One Sterndrive Unit, Upper Assembly Only SE106, 1.81 RatioReplacement Mercruiser R/MR/Alpha One Sterndrive Unit, Upper Assembly Only SE106, 1.81 Ratio
Replacement Mercruiser R/MR/Alpha One Sterndrive Unit, Upper Assembly Only SE106, 1.81 Ratio
$964.12
Short Input Yoke (8-1/8") for Alpha One, Gen I (1972-1990)
Short Input Yoke (8-1/8") for Alpha One, Gen I (1972-1990)
$108.60
SEI, SE106, Replacement Sterndrive, 1.62SEI, SE106, Replacement Sterndrive, 1.62
SEI, SE106, Replacement Sterndrive, 1.62
$1,930.50
SEI, SE106, Replacement Sterndrive, Upper Assembly, 1.94SEI, SE106, Replacement Sterndrive, Upper Assembly, 1.94
SEI, SE106, Replacement Sterndrive, Upper Assembly, 1.94
$964.12
SEI, SE106, Replacement Sterndrive, Upper Assembly, Short Yoke, 1.81SEI, SE106, Replacement Sterndrive, Upper Assembly, Short Yoke, 1.81
SEI, SE106, Replacement Sterndrive, Upper Assembly, Short Yoke, 1.81
$964.12
Zinc Anode Kit, Gen II Sterndrives (1991-Present), Fin Style
Zinc Anode Kit, Gen II Sterndrives (1991-Present), Fin Style
$62.48
Complete Installation Kit, SE116
Complete Installation Kit, SE116
$49.50
Replacement Mercruiser R/MR/Alpha One Sterndrive, Complete Upper & Lower Assembly, Pre-1982, SE104, 1.94 Ratio, Short Yoke
Replacement Mercruiser R/MR/Alpha One Sterndrive, Complete Upper & Lower Assembly, Pre-1982, SE104, 1.94 Ratio, Short Yoke
$1,930.50
SEI, SE106, Replacement Sterndrive, Lower Assembly, Std. RotationSEI, SE106, Replacement Sterndrive, Lower Assembly, Std. Rotation
SEI, SE106, Replacement Sterndrive, Lower Assembly, Std. Rotation
$1,072.50
SEI, SE106, Replacement Sterndrive, Upper Assembly, 1.47SEI, SE106, Replacement Sterndrive, Upper Assembly, 1.47
SEI, SE106, Replacement Sterndrive, Upper Assembly, 1.47
$964.12
Trim Hose Kit 9B-106A, Alpha I (16-3/16") & Gen II Sterndrives
Trim Hose Kit 9B-106A, Alpha I (16-3/16") & Gen II Sterndrives
$115.50

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