Often SEI is asked about the quality of our lower units and how the company is able to offer such a product at a fraction of the OEM price. First, you can pick quality remanufactured lower units made with quality OEM parts OR you can choose Brand New aftermarket gear cases for some Mercury, Johnson and Evinrude Outboard Motors and Mercruiser Alpha One, Gen II and Bravo One I/O motors. The parts come directly from suppliers around the world made to SEI's exact and precise specifications. 4-stroke engines. $899.00 + shipping. MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone. A refundable core charge of $300 f or all Yamaha Lower Units will be added to your cart. OX66 3.1. All reference to their trademarks and trade names are the property of the respective owners. any help would be greatly appreciated. Has anyone bought and used an aftermarket SEI lower unit. Yes, although if you have an inline engine, you will need to check the length of the input yoke. Why select SEI reduce models? This firm has a strong reputation from 1980 to the provide day. This is a replacement SEI lower unit that failed during warranty and was sent back for repairs. A complete unit is too heavy to ship without shipping damage. We're happy to help order the correct replacement unit to get you back on the water. SEI also offers a complete line of hydraulic parts compatible with MerCruiser® Sterndrives. As the top dealer of Sterndrive Engineering aftermarket replacement lower units, you can count on us to guide you to the right part. New SEI / Johnson / Evinrude 1992-12 90-140 HP V4 Large Hub Outboard Lower Unit. Df60 Df70 60hp 70hp Suzuki Outboard 4-stroke 20andrdquo Lower Unit Assy 1998-2007. Sterndrive Engineering, Inc. is not affiliated with Mercury®; Yamaha®; OMC® or their products. You are invited to join our public Boat Repair Forum to seek assistance from other members. AFFORDABLE PRICING plus the piece of mind of a THREE-YEAR FAULT-FREE WARRANTY makes SEI the clear choice for many boaters. Yamaha OB Shafts. Eliminating the middleman reduces SEI's costs and these savings are passed on to the customer. Grab your engine serial number and get in touch with us here at MarineEngine.com. I would have given it 5 stars but the black paint chips off around edges over the years, not the first to report this. It comes with 3-Year Fault Free Warranty. Grab your engine model and serial number and get in touch with us here at MarineEngine.com. The company was founded by Greg Pickren. Our lower units are manufactured by SEI (Sterndrive Engineering Inc.), who offers a 3 year, fault free warranty. SEI's Lower units are assembled at our factory in Clearwater, Florida. used lower units for mercury outboards, lower units sei, yamaha lower units sei, outboard lower unit seized. Johnson / Evinrude OB Shafts ... fishing line, impact, neglect, and other abuse. Y11. Lowest Prices online for Yamaha V6 4 Stroke Lower Units & Heads. SEI has engineered replacement lower units for Mercury, Yamaha and Johnson Evinrude. SEI makes a new replacement lower unit gearcase for Johnson, Evinrude, Mercury and Yamaha outboard motors. The company makes replacement sterndrives for MerCruiser's® Alpha One® and Gen II stern drives and replacement outboard lower units for Mercury®, Johnson/Evinrude® and Yamaha®. Yamaha OB Bearing Carrier. YAMAHA 75/80/90/100 HP, 1999 - 2015, 4 Stroke. Thanks for your interest in SEI. Lowest Prices online for Yamaha SHO Lower Units. The products offered include hydraulic pumps, trim cylinders, hoses, fittings, and other accessories. Justin Webb is the General Manager of SEI and was previously employed by Konrad Marine and GLM. SEI's Lower units come with a three-year, fault-free warranty which means that the lower unit will be covered for any failure that requires the lower unit to be replaced or repaired. Had mine for years with trouble free service, they offer a 3 year no fault which is fantastic over the mercury 1 year. SE205 (Replaces Most 3 & 4 Cylinder Mercury Outboards) Johnson / Evinrude Complete Lower Units. SEI Lower Unit for Mercury Optimax 200 225 250 HP with 3yr warranty, 15hrs with 10 of the hrs were for "break in" 20" shaft and 1.75 gear ratio. SEI make great alpha replacement units. Toggle the Pause/Play button as needed. Our Yamaha Lower Units also come in counter-rotation units. Lower Units Video Area #1 of 4: Area 1 Area 2 Area 3 Area 4 Video is not visible, most likely your browser does not support HTML5 video. You will receive two parts to join. Lowest Prices for Yamaha 3.1 OX66 Lower Units. Use our slide show to find your lower unit!. They build a complete MerCruiser outdrive as well as lower gearcases. Common practices in the industry include reusing critical wear parts such as cases, gears, shafts and bearings. Hit a rock SEI sends us a new lower unit for free we just had to install it ourselves. They build a complete MerCruiser outdrive as well as lower gearcases. Our lower units are manufactured by SEI (Sterndrive Engineering Inc.), who offers a 3 year, fault free warranty. Mariners Warehouse is also your source for sales and installation of several yacht specialty products, including: lighted yacht graphics, and Extrun bow thrusters. Often SEI is asked about the quality of our lower units and how the company is able to offer such a product at a fraction of the OEM price. Warranty. SEI's mission is to make owning, operating, and maintaining a sterndrive or outboard lower unit more affordable. We're happy to help order the correct replacement unit to get you back on the water. The three year fault-free warranty covers any damage to the drive that requires it to be repaired or replaced including failures resulting from lack of oil, fishing line, impact, neglect, and other abuse. As for quality, SEI's Lower units are thoroughly tested for both performance and endurance. Yamaha OB Gears. In the aftermarket sterndrive business, SEI is a leading company and also has it’s own outboards. AFFORDABLE PRICING plus the piece of mind of a THREE-YEAR FAULT-FREE WARRANTY makes SEI the clear choice for many boaters. SEI’s lower units replace most V6 outboards from 1980 to present. V6 Yamaha 4 Stroke Lower Units. This lower unit is for Yamaha 225 horsepower engine. SEI Yamaha V6 Outboard Replacement Lower Unit 1.86 20" SKU: S-E-90-416-A20. It can be modified to back fit 1988-1991 by blocking off the internal oil passage. Shop SHO Lower Units. Consequently, any warranties governing products manufactured and/or sold by Brunswick Corporation will not apply to products manufactured and/or sold by SEI, or to products damaged due to the operation of an SEI product. SEI Yamaha V6 Outboard Replacement Lower Unit 1.86 20" Sterndrive Engineering. Simply put, buying a remanufactured drive is risky. Adjust RPM at idle to manufacturer's specifications.3. SEI Marine Products-Compatible with Evinrude Johnson Prop Nut Kit 0175267 V6 1991 1992 1993 Outboard Lower Units $42.73 $ 42 . ... fishing line, impact, neglect, and other abuse. Includes break-in instructions. Mariners Warehouse is also your source for sales and installation of several yacht specialty products, including: lighted yacht graphics, and Extrun bow thrusters. We looked at remanufactured lower units, but they cost $2,240. We currently specialize in sales and installation of lower units and bow thrusters. SEI also offers a gimble housing repair kit. Gearcase assemblies are shipped without oil1. SEI Mercury Outboard Replacement Lower Unit Gearcase. SEI's outdrives are not remanufactured, they are entirely new. Periodically, we'll send you tech tips, DIYs and boating information. Eliminating the middleman reduces SEI's costs and these savings are passed on to the customer. We carry outboard lower unit replacements for Yamaha, Mercury, Johnson, SEI and Evinrude marine motors, in addition to Mercruiser Sterndrives and SEI Sterndrives. I have a 22 shearwater bay with a 250 and blew the lower unit last week just trying to get some insight to these aftermarket lower units vs a rebuild. Fill unit with manufacturer's required gear oil to recommended level.2. SEI Lower Units. Our lower units are manufactured by SEI (Sterndrive Engineering Inc.), who offers a 3 year, fault free warranty. Y13. Featuring tons of Suzuki Lower Unit available for sale this week. New SEI Mercury 3.0L Counter Rotation Stub Shaft Lower Unit 1.62 Gear Ratio. Availability: In Stock - Ships Today. Shop Suzuki Lower Unit. Will your SE106 replace my older model drive? Mr. Pickren also is the owner and founder of the company Short Block Technologies (SBT) which is the largest supplier of Personal Water Craft engines in the world. $649.00 + $30.00 shipping. Y20. Yamaha OB Bearings. Johnson / Evinrude OB Gearcase Housing. SEI's Lower units are assembled at our factory in Clearwater, Florida. Jumping out of gear: If the unit will not stay in gear, the … Why Buy SEI Yamaha Lower Unit? Our Yamaha units’ strength can vary from 115 HP to 300 HP, depending on your specifications. All gears are replaced with 100% OEM components for the best performance, quality and life of your unit. Yamaha Complete Lower Units. Sterndrive Engineering Replacement Lower Unit Mercruiser R, MR, and Alpha One Replacement Lower Unit for R, MR, and Alpha One Drives. Core Policy. Proper shift adjustment is essential.4. SHO VF250. 73 Get it as soon as Fri, Jan 29 Mariners Warehouse is also your source for sales and installation of several yacht specialty products, including: lighted yacht graphics, and Extrun bow thrusters. Y10. Sterndrive Engineering Inc. All Rights Reserved. SEI also avoids using distributors thus reduces the company's costs at getting the product into the hands of the boat owner. Yamaha OB Gearcase Housing. First hand view of the unboxing and pre-break in. 200 225 250 HSP. This is the SE216 SEI lower. SEI has no affiliation with the Brunswick Corporation. Sterndrive replacement sells lower units for the Mercruiser alpha one generation II at the lowest price on the aftermarket. Y8. The lower units created by this provider are fully compatible and interchangeable with Mercury, Yamaha, and Johnson Evinrude. SEI makes a new replacement lower unit gearcase for Johnson, Evinrude, Mercury and Yamaha outboard motors. The alpha one generation II lower unit will fit any Mercruiser sterndrive . MerCruiser®, Alpha One®, Gen II, R, MR and Bravo One® are trademarks of the Brunswick Corporation. 1972-1990 Up to 300 HP. Our Bravo One replacement lower units comes with a three year fault-free warranty and they are rated up to 425 HP. SEI Lower Unit for Mercury 70-115hp 4 Stroke Early Models. SEI Marine SE116 MerCruiser Alpha One Gen 2 Outdrive Lower Unit $899.99 Sterndrive Engineering SE116 Lower Unit Replaces MerCruiser Gen 2 alpha outdrive lower units 1991+. Every lower unit from JASPER MARINE receives (where applicable to unit design) all new bearings, gaskets, seals, water pump housing, and water pump impeller to assure the performance and reliability of your remanufactured unit. $650.00 + $49.00 shipping. Then a friend of ours told us about SEI, a company in Oldsmar, Fla., that sells outboard and sterndrive lower units. Lower unit shifts in forward, neutral and reverse. YAMAHA F115 HP, 2000 - 2013, 4 Stroke. Hit a rock, suck up some fishing line, drag the lower unit up the boat launch by mistake, it does not matter, the lower unit will be covered by SEI's fault-free warranty. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. SEI is currently producing lower units for V6 outboards. Buy Suzuki Lower Unit on eBay now! Johnson / Evinrude Upper Driveshafts. SEI has been in the stern drive business since 2003. The parts come directly from suppliers around the world made to SEI's exact and precise specifications. mercury lower unit sei, sei lower units review, lower units for evinrude, lower unit for evinrude 150. lower unit for evinrude 225, lower unit for evinrude 140, lower unit oil for evinrude Back to Top. Ride the Roller Coaster through our Lower Units and Stern Drives! What you should know. Yamaha SHO Lower Units. Y12. Reman and New Warranty. SEI is also working on producing lower units for smaller 3 and 4 cylinder Mercury, Yamaha and Johnson Evinrude Outboards. Use the links below the slide show to zoom in. This is truly a remarkable warranty. Reman and Rebuilt. Featuring suzuki lower unit in stock and ready to ship today. SEI is the largest supplier of aftermarket sterndrives and outboard lower units in the world. Df60 Df70. Our SE121 Lower Unit replaces the Bravo One Lower Unit 1992 and newer with the oil passage. SEI also avoids using distributors thus reduces the company's costs at getting the product int… Since it is acknowledged that these particular units are constructed in Clearwater, Fl. Consequently, premature failures are common. The lower units offered by SEI are fully compatible and interchangeable with Mercury, Yamaha and Johnson Evinrude lower units. In stock and ready to ship today manufactured by sei ( sterndrive.... 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