Sterndrive Engineering

Shop our Sterndrive Engineering (SEI) collection for quality aftermarket stern drive units, SEI outdrives, and drive components. SEI Marine products are a proven alternative to OEM sterndrive parts, offering reliable performance at a competitive price for MerCruiser-compatible and other popular drive configurations. Go2marine carries SEI sterndrive products for a wide range of applications. Browse our full SEI collection.

399 products

Showing 73 - 96 of 399 products

Showing 73 - 96 of 399 products
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Mercury Power Trim Unit, Complete, Late Model Merc / Early Prestolite
STERNDRIVE ENGINEERING Mercury Power Trim Unit, Complete, Late Model Merc / Early PrestoliteSKU: 479422
$657.80
Oil Reservoir RES504C, Oildyne/Parker Type Pumps
STERNDRIVE ENGINEERING Oil Reservoir RES504C, Oildyne/Parker Type PumpsSKU: 191946
$44.00
Tilt Trim Power Unit, 3-Wire 24V Motor, Reservoir & 2-Hose PumpTilt Trim Power Unit, 3-Wire 24V Motor, Reservoir & 2-Hose Pump
STERNDRIVE ENGINEERING Tilt Trim Power Unit, 3-Wire 24V Motor, Reservoir & 2-Hose PumpSKU: 14101
$657.80
Tilt / Trim Motor, Mercury / Mariner, 12 Volt, After Market, PT486NM-AM
STERNDRIVE ENGINEERING Tilt / Trim Motor, Mercury / Mariner, 12 Volt, After Market, PT486NM-AMSKU: 308274
$217.80
SE128 Bravo III Replacement Outdrive, Complete, 2.20 Ratio
STERNDRIVE ENGINEERING SE128 Bravo III Replacement Outdrive, Complete, 2.20 RatioSKU: 574378
$4,504.50
Hose and Hardware Kit for Gen II (9B-116)
STERNDRIVE ENGINEERING Hose and Hardware Kit for Gen II (9B-116)SKU: 567968
$187.00
SE121 Complete 1.65 Ratio Side Water Inlet (Replaces Bravo One®)
STERNDRIVE ENGINEERING SE121 Complete 1.65 Ratio Side Water Inlet (Replaces Bravo One®)SKU: 567315
$3,547.50
SE121 Complete 1.5 Ratio Dual Water Inlet (Replaces Bravo One®)
STERNDRIVE ENGINEERING SE121 Complete 1.5 Ratio Dual Water Inlet (Replaces Bravo One®)SKU: 567313
$3,547.50
Replacement Mercruiser Gen II Sterndrive Unit, Upper Assembly, 1.94 Ratio
STERNDRIVE ENGINEERING Replacement Mercruiser Gen II Sterndrive Unit, Upper Assembly, 1.94 RatioSKU: 465151
$962.50
STERNDRIVE ENGINEERING OMCV Cobra Gimbal Bearing 9A-108-01SKU: 577240
$51.48
STERNDRIVE ENGINEERING SE128 Bravo III Replacement Outdrive, Upper, 2.20 RatioSKU: 577214
$2,935.29
PTT system Compatible with Johnson Evinrude Trim/Tilt system 88-225 HP 1988-1998
STERNDRIVE ENGINEERING PTT system Compatible with Johnson Evinrude Trim/Tilt system 88-225 HP 1988-1998SKU: 576518
$1,099.00
Hose Kit for Internal Line Cylinders Pre-Alpha (1970-1982)
STERNDRIVE ENGINEERING Hose Kit for Internal Line Cylinders Pre-Alpha (1970-1982)SKU: 576438
$115.50
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
STERNDRIVE ENGINEERING Mercruiser R/MR/Alpha 1 Sterndrive, Complete Upper & Reverse Rotation Lower Assembly, SE106SKU: 534055-1.47
$2,150.50
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Delco Style Alternator, Diesel Only, 12v & 24v
STERNDRIVE ENGINEERING Delco Style Alternator, Diesel Only, 12v & 24vSKU: 533086-12Volt
From $261.80
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Alternator, Diesel only, 12-32 volt, 70-160 amp
STERNDRIVE ENGINEERING Alternator, Diesel only, 12-32 volt, 70-160 ampSKU: 533085-32Volt-70AMPS
From $481.42
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Diesel Starter, Yanmar, (Left-handed Rotation), 12 or 24 volt, 17001
STERNDRIVE ENGINEERING Diesel Starter, Yanmar, (Left-handed Rotation), 12 or 24 volt, 17001SKU: 533082-12Volt
From $217.80
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Diesel Starter, Onan, (Right-handed Rotation), 12-24 volt, ST58531
STERNDRIVE ENGINEERING Diesel Starter, Onan, (Right-handed Rotation), 12-24 volt, ST58531SKU: 533081-12Volt
From $295.34
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Tilt / Trim Motor, Volvo Penta, 12 volt, PT405N
STERNDRIVE ENGINEERING Tilt / Trim Motor, Volvo Penta, 12 volt, PT405NSKU: 533078-WithPump
From $283.80
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API Small Frame Alternator, Diesel Only
STERNDRIVE ENGINEERING API Small Frame Alternator, Diesel OnlySKU: 560791-50AMPS-24Volt
From $217.80
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Small Frame Alternator, Mercury Mercruiser, 12 volt, 70 and 100 amp, 20119
STERNDRIVE ENGINEERING Small Frame Alternator, Mercury Mercruiser, 12 volt, 70 and 100 amp, 20119SKU: 531201-70AMPS
From $217.80
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Small Frame Alternator, 12 volt, 78 & 120 amp, 20020 DR
STERNDRIVE ENGINEERING Small Frame Alternator, 12 volt, 78 & 120 amp, 20020 DRSKU: 531256-78AMPS
From $305.80
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Delco Style Alternators, Diesel Only, 78 Amp or 94 Amp, 20019
STERNDRIVE ENGINEERING Delco Style Alternators, Diesel Only, 78 Amp or 94 Amp, 20019SKU: 531262-78AMPS
From $283.80
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Alternator, Pleasurecraft, 12 Volt, 70 Amp, 2" Mount Foot, 6-Groove 50mm Serp. Pulley, Replaces PCM # RA097007A
STERNDRIVE ENGINEERING Alternator, Pleasurecraft, 12 Volt, 70 Amp, 2" Mount Foot, 6-Groove 50mm Serp. Pulley, Replaces PCM # RA097007ASKU: 12628
$239.80

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