SEI Mercury & Mariner 2-Stroke 3/4 Cylinder DFI (Optimax) 75-115 HP 25" (XL) Driveshaft OEM # 45-888934A 1 MSRP: Was: Now: $301.55 Choose Options
SEI New SEI / Honda 1997-1998 75/90 HP 4 Cylinder 20" Gearcase MSRP: Was: Now: $1,180.00 Choose Options
SEI New SEI / Johnson & Evinrude 1995-2007 V4 75-115 HP Small Hub Gearcase MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Yamaha 1984-2014 115 & 130 HP V4 2-Stroke Gearcase MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Johnson & Evinrude 1992-2006 V4/V6 130-250 Large Hub Gearcase MSRP: Was: Now: $1,095.00 Choose Options
SEI Mercury & Mariner 135-200 HP V6 2.0/2.4/2.5L 25" (XL) Driveshaft 1986-2015 OEM # 45-44209 1 MSRP: Was: Now: $295.27 Choose Options
SEI Mercury & Mariner 135-200 HP V6 2.0/2.4/2.5L 20" (L) Driveshaft 1986-2015 OEM # 45-44000-1 & 45-897624T MSRP: Was: Now: $418.37 Choose Options
SEI New SEI / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Propshaft OEM # 44-94148 MSRP: Was: Now: $277.64 Choose Options
SEI New SEI / Johnson & Evinrude 2000 & Up 150-250 HP V6 Magnum Counter-Rotation Gearcase MSRP: Was: Now: $1,495.00 Choose Options
SEI New SEI / Johnson & Evinrude 2000 & UP 150-250 HP V6 Magnum Gearcase MSRP: Was: Now: $1,295.00 Choose Options
SEI New SEI / Yamaha 1986-2014 V6 2.6L 90° & 150 HP 4-CYL 4-Stroke Counter-Rotation Gearcase MSRP: Was: Now: $1,295.00 Choose Options
SEI New SEI / Yamaha 1986-2014 V6 2.6L 90° 2-Stroke & 4-CYL 4-Stroke 150 HP Gearcase MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Mercury 1979-2018 150, 175, 200 HP 2.0/2.4/2.5L Gearcase MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Mercury 1994-2018 V6 200/225/250 HP 3.0L Gearcase MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Mercury 1994-2018 200/225/250 HP 3.0L V6 Counter Rotation Gearcase MSRP: Was: Now: $1,295.00 Choose Options
SEI Mercury & Mariner 2-Stroke 3/4 Cylinder DFI (Optimax) 75-115 HP 25" (XL) Driveshaft OEM # 45-888934A 1 This listing is for a Mercury & Mariner 2-Stroke 3/4 Cylinder DFI (Optimax) 75-115 HP 25" (XL) Driveshaft. OEM # 45-888934A 1 NOTE: All items for a rebuild are available for order, though they... MSRP: Was: Now: $301.55 Choose Options
SEI New SEI / Honda 1997-1998 75/90 HP 4 Cylinder 20" Gearcase This listing is for a New SEI Honda Outboard Gearcase. Will fit 1997-1998 75 and 90 HP 4 cylinder motors. Available with a 20" driveshaft only. Standard rotation. NOTE - In order for this gearcase... MSRP: Was: Now: $1,180.00 Choose Options
SEI New SEI / Johnson & Evinrude 1995-2007 V4 75-115 HP Small Hub Gearcase This listing is for a New SEI Johnson/Evinrude V4 75, 90 & 115 HP Gearcase, which will fit motors from 1995 and Up that feature a 4 1/4" Bullet Diameter. This unit has External Water Screens and... MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Johnson & Evinrude 1978-1988 85-140 HP V4 Lower Gearcase Assembly This listing is for a New SEI Johnson & Evinrude Lower Unit, which will fit motors from 1978 to 1998 85-140 HP that feature a 4 1/4" Bullet Diameter. This unit has Internal Water Screens and a...
SEI New API / Suzuki 1986 & Up 115-250 HP 2 & 4 Stroke Tilt & Trim System New API Marine Suzuki 115-250 HP 2 & 4 Stroke Tilt & Trim System. Replaces OEM numbers 48503-93J12 and 48503-94900-OED. Will fit 1986-2001 DT-115, DT140, 2001-2010 DF90-DF140 & 2011-up...
SEI New SEI / Yamaha 1984-2014 115 & 130 HP V4 2-Stroke Gearcase This listing is for a New SEI / Yamaha V4 2-Stroke Lower Unit. This unit will work with most 1984-2014 115 & 130 HP 2-Stroke motors, but it is not designed to work with any 4-stroke motors. This... MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Johnson & Evinrude 1992-2006 V4/V6 130-250 Large Hub Gearcase This listing is for a New SEI / Johnson & Evinrude V4/V6 Gearcase, which will fit motors from 1992 to 2006 that feature a 4 3/4" Bullet Diameter. This unit has Ocean Pro Style water intakes and a... MSRP: Was: Now: $1,095.00 Choose Options
SEI Mercury & Mariner 135-200 HP V6 2.0/2.4/2.5L 25" (XL) Driveshaft 1986-2015 OEM # 45-44209 1 This listing is for a Mercury & Mariner 135-200 HP V6 2.0/2.4/2.5L 25" (XL) Driveshaft 1986-2015 OEM # 45-44209 1. Eight Spine, Non-Pre-Load Pin. This item will replace OEM numbers 45-44209 1. ... MSRP: Was: Now: $295.27 Choose Options
SEI Mercury & Mariner 135-200 HP V6 2.0/2.4/2.5L 20" (L) Driveshaft 1986-2015 OEM # 45-44000-1 & 45-897624T This listing is for a New SEI Mercury/Mariner 135-200 HP V6 2.0/2.4/2.5L 20" (L) Driveshaft, which will fit models from 1986 to 2015. Eight Spine, Non-Pre-Load Pin. This item will replace OEM numbers... MSRP: Was: Now: $418.37 Choose Options
SEI New SEI / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Propshaft OEM # 44-94148 This listing is for a New SEI / Mercury & Mariner 1986-2015 135-200 HP V6 2.0/2.4/2.5L Propshaft OEM # 44-94148. NOTE: All items for a rebuild are available for order, though they are not... MSRP: Was: Now: $277.64 Choose Options
SEI New SEI / Johnson & Evinrude 2000 & Up 150-250 HP V6 Magnum Counter-Rotation Gearcase This listing is for a New SEI / Johnson & Evinrude 2000 & Up 150-250 HP V6 Magnum Counter-Rotation Gearcase. This can replace other V6 models, but you will have to change out the shift rod... MSRP: Was: Now: $1,495.00 Choose Options
SEI New SEI / Johnson & Evinrude 2000 & UP 150-250 HP V6 Magnum Gearcase This listing is for a New SEI / Johnson & Evinrude V6 Magnum Gearcase, which will fit motors from 2000 and up. This can replace other V6 models, but you will have to change out the shift rod when... MSRP: Was: Now: $1,295.00 Choose Options
SEI New SEI / Yamaha 1986-2014 V6 2.6L 90° & 150 HP 4-CYL 4-Stroke Counter-Rotation Gearcase This listing is for a New Aftermarket Yamaha V6 2.6L 90° Counter Rotation 25" Lower Unit. This unit will work with most V6 2-Stroke and 4-Cylinder 4-Stroke 150 HP motors. This unit includes a... MSRP: Was: Now: $1,295.00 Choose Options
SEI New SEI / Yamaha 1986-2014 V6 2.6L 90° 2-Stroke & 4-CYL 4-Stroke 150 HP Gearcase This listing is for a New Aftermarket Yamaha V6 2.6L 90° Lower Unit. This unit will work with most V6 2-Stroke and 4-Cylinder 4-Stroke 150 HP motors. This unit includes a water pump and... MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Mercury 1979-2018 150, 175, 200 HP 2.0/2.4/2.5L Gearcase Restore optimal performance of your Mercury V6 outboard with the New SEI / Mercury 1979-2018 150, 165, 200 HP 2.0/2.4/2.5L Gearcase. Built with a durable plastic water pump and a standard 4... MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Mercury 1994-2018 V6 200/225/250 HP 3.0L Gearcase Upgrade the Mercury outboard with the brand-new SEI/Mercury gearcase. It is designed for 1994-2018 V6 200, 225, and 250 HP 3.0L engines. The model is for 8- and 13-spline driveshafts, providing... MSRP: Was: Now: $1,095.00 Choose Options
SEI New SEI / Mercury 1994-2018 200/225/250 HP 3.0L V6 Counter Rotation Gearcase This listing is for a New Sterndrive Engineering Mercury 3.0L Counter Rotation Gearcase. These models use a metal water pump and have dual-water pick ups.. This unit has models for both 8- and... MSRP: Was: Now: $1,295.00 Choose Options
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