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 289 - 312 of 399 products

Showing 289 - 312 of 399 products
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Diesel Alternator, Yanmar, 12 Volt, 94 Amp, 20025I
STERNDRIVE ENGINEERING Diesel Alternator, Yanmar, 12 Volt, 94 Amp, 20025ISKU: 13170
$349.80
Diesel Alternator, Volvo Penta, 8.1L GM, 12 Volt, 65 Amp, 20097
STERNDRIVE ENGINEERING Diesel Alternator, Volvo Penta, 8.1L GM, 12 Volt, 65 Amp, 20097SKU: 12676
$327.80
Diesel Alternator, Westerbeke, 12 Volt, 40 Amp, 20122
STERNDRIVE ENGINEERING Diesel Alternator, Westerbeke, 12 Volt, 40 Amp, 20122SKU: 115558
$547.80
Cummins Replacement Alternator 20056-SP-T116, W/ Serpentine Pulley
STERNDRIVE ENGINEERING Cummins Replacement Alternator 20056-SP-T116, W/ Serpentine PulleySKU: 531196
$305.80
Small Frame Alternator, 12 Volt, 78 Amp, 20037
STERNDRIVE ENGINEERING Small Frame Alternator, 12 Volt, 78 Amp, 20037SKU: 76836
$327.80
Replacement Mercury Lower Unit for most 3.0L V/6 engines Pre 2006
STERNDRIVE ENGINEERING Replacement Mercury Lower Unit for most 3.0L V/6 engines Pre 2006SKU: 572414
$1,292.10
Solenoid, Chrysler, 12 Volt, SW-96
STERNDRIVE ENGINEERING Solenoid, Chrysler, 12 Volt, SW-96SKU: 203394
$39.60
Solenoid, Mercury & Mercruiser, 12 Volt, SW-92
STERNDRIVE ENGINEERING Solenoid, Mercury & Mercruiser, 12 Volt, SW-92SKU: 114351
$28.60
Trim Motor Kit, Yamaha, PT609NK-3
STERNDRIVE ENGINEERING Trim Motor Kit, Yamaha, PT609NK-3SKU: 91041
$261.80
Trim Motor Kit, Yamaha, PT608NK-3
STERNDRIVE ENGINEERING Trim Motor Kit, Yamaha, PT608NK-3SKU: 91039
$239.80
Tilt / Trim Motor, Yamaha, 12 Volt, PT627NM
STERNDRIVE ENGINEERING Tilt / Trim Motor, Yamaha, 12 Volt, PT627NMSKU: 318221
$261.80
Replacement Relay, 5-Prong, 30 Amp
STERNDRIVE ENGINEERING Replacement Relay, 5-Prong, 30 AmpSKU: 310046
$24.78
New Pump with Reservoir, VB501N
STERNDRIVE ENGINEERING New Pump with Reservoir, VB501NSKU: 90475
$305.80
Power Trim Motor PT656NM for 40-50 HP Suzuki and Honda Outboards, 12v
STERNDRIVE ENGINEERING Power Trim Motor PT656NM for 40-50 HP Suzuki and Honda Outboards, 12vSKU: 165680
$239.80
Double 1/2" V-Belt Pulley for Eco-Tech Alternators
STERNDRIVE ENGINEERING Double 1/2" V-Belt Pulley for Eco-Tech AlternatorsSKU: 204483
$23.60
Water Pump, GM 8.1L Engines, WP 2000
STERNDRIVE ENGINEERING Water Pump, GM 8.1L Engines, WP 2000SKU: 12564
$305.80
Bi-Directional Water Pump, GM Big Block, WP 1900
STERNDRIVE ENGINEERING Bi-Directional Water Pump, GM Big Block, WP 1900SKU: 11824
$261.80
Alternator, Crusader, 12 Volt, 105 Amp, 2" Mounting Foot 6-Groove Serpentine Pulley
STERNDRIVE ENGINEERING Alternator, Crusader, 12 Volt, 105 Amp, 2" Mounting Foot 6-Groove Serpentine PulleySKU: 253218
$393.80
Alternator, Volvo Penta, High Output, 12 Volt, 105 Amp, Replaces Arco #60124
STERNDRIVE ENGINEERING Alternator, Volvo Penta, High Output, 12 Volt, 105 Amp, Replaces Arco #60124SKU: 13876
$437.80
Alternator, Mercury 3.0L DFI 200-225 HP, 12 Volt, 50 Amp, Serpentine Pulley, Replaces Merc #828506
STERNDRIVE ENGINEERING Alternator, Mercury 3.0L DFI 200-225 HP, 12 Volt, 50 Amp, Serpentine Pulley, Replaces Merc #828506SKU: 13772
$486.20
Alternator, Crusader, 12 Volt, 120 Amp, with Tach Terminal, SAEJ1171
STERNDRIVE ENGINEERING Alternator, Crusader, 12 Volt, 120 Amp, with Tach Terminal, SAEJ1171SKU: 13740
$415.80
Alternator, Delco Style, Volvo Sterndrive, 12 Volt, 94 Amp
STERNDRIVE ENGINEERING Alternator, Delco Style, Volvo Sterndrive, 12 Volt, 94 AmpSKU: 13172
$305.80
Alternator, Mercruiser & Others, 3-Wire, 12 Volt, 94 Amp, with Tach Terminal
STERNDRIVE ENGINEERING Alternator, Mercruiser & Others, 3-Wire, 12 Volt, 94 Amp, with Tach TerminalSKU: 12700
$304.44
Alternator, Mercruiser, OMC, Volvo, SAEJ1171, 12 Volt, 94 Amp, 20075T
STERNDRIVE ENGINEERING Alternator, Mercruiser, OMC, Volvo, SAEJ1171, 12 Volt, 94 Amp, 20075TSKU: 12644
$280.84

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