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Reverse Gear for Tohatsu Nissan Outboard 90HP 120HP 140HP 3C7-64093-0, 3T1-64093-0 M

US$ 66.00 / 1 Piece
1Piece Minimum order
Brand:
xiaoxibian
oem:
3C7-64093-0
Unique Product Title:
Reverse Bevel Gear 3C7-64093-0 3T1-64093-0 for Tohatsu Nissan Outboard 90HP 120HP 140HP
Product Name:
Outboard Lower Unit Reverse Bevel Gear for Tohatsu Nissan 90-140HP Outboard Engine
About this item
  • Cross Reference Number​ 3T1-64093-0, 3C7640930, 3T1640930​ 5. Brand​ Premium Aftermarket Marine Replacement Parts Product Type：Reverse Gear
  • Fitment and Engine​ This high-performance aftermarket reverse bevel gear is compatible with Tohatsu and Nissan 90HP, 120HP, and 140HP outboard motors. It serves as a core transmission component for lower unit gear case replacement, routine maintenance, and complete engine overhaul, perfectly matching the original equipment assembly standards for high-horsepower marine outboard engines. For Tohatsu Nissan Outboard Models: MD NSF NS M 90HP 115HP B 2/4-stroke
  • Voltage, Power, Teeth, Rotation​ Voltage: Not applicable​ Power: Fits Tohatsu / Nissan 90HP / 120HP / 140HP outboard engines​ Teeth: OEM Standard Specification​ Rotation: Standard OEM Rotation Direction 3C7640930M Bevel Gear C (5 Dog) Reverse Superseded to 3T1640930M
  • Installation Dimension & Interface​ Precision CNC machined and heat-treated to meet strict OEM dimensional tolerances. This reverse gear features fully consistent shaft hole size, spline parameters and bevel tooth contact surface with original factory parts. It is a direct bolt-on replacement without any cutting, drilling or secondary modification required. Professional installation in accordance with the official Tohatsu and Nissan outboard service manual is highly recommended to ensure precise assembly and stable operation. For Tohatsu Nissan Outboard part number: 3C7-64093-0, 3T1-64093-0 M
  • MOQ​ 1 Piece​ 10. Lead Time​ Sample Order: 3-7 working days​ Bulk Order: 15-30 working days​ 11. Warranty​ 6-month limited warranty against manufacturing defects. The warranty does not cover damage caused by incorrect installation, improper operation, lack of regular gear oil maintenance, collision, abrasion, or long-term exposure to harsh marine saltwater and corrosive environments.
Chongqing Qiyi Technology Co., Ltd
1 1 years China
Avg Response Time: ≤24 h
Business Type: Yacht parts
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 Certification



Manufactured in ISO9001 certified production workshop. CE certification documents can be provided upon customer request.


13. Real Product Photos


Overall product view, gear tooth close-up detail, inner spline macro shot, outboard lower unit installation reference view


14. Independent Product Description

This robust marine reverse bevel gear serves as a high-quality aftermarket replacement. It matches OE part numbers 3C7-64093-0 and 3T1-64093-0, and is custom-built for high-horsepower Tohatsu and Nissan outboard motors ranging from 90HP, 120HP to 140HP.

Manufactured from premium quenched alloy steel, this gear adopts precise CNC machining and integrated industrial heat treatment. It delivers outstanding surface hardness, structural toughness and anti-wear properties. The component handles sustained high-torque operation and severe salt-laden marine conditions with ease. It also efficiently avoids tooth chipping, surface scuffing and structural deformation during frequent forward and reverse gear shifts.

Every structural size and mounting interface fully adheres to OEM specifications, which allows quick, precise and hassle-free drop-in installation. This replacement part effectively fixes typical lower unit faults, including reverse gear slippage, unusual grinding sounds, inconsistent power delivery and excessive gear tooth wear.

Swapping out your worn or aged reverse gear with this unit can fully recover steady reverse gear functionality for your outboard lower unit. Always refill with qualified gear oil and follow official factory guidelines for standard assembly. Proper installation guarantees durable and dependable operational performance during all marine applications.

This part also can be used in the following motors:
Year Power Type Model Section
2014 MD115A2 15. GEAR CASE (PROPELLER SHAFT)
2014 NSD115A2 15. GEAR CASE (PROPELLER SHAFT)
2013 MD115A2 15. GEAR CASE (PROPELLER SHAFT)
2013 NSD115A2 15. GEAR CASE (PROPELLER SHAFT)
2012 MD115A2 15. GEAR CASE (PROPELLER SHAFT)
2012 NSD115A2 15. GEAR CASE (PROPELLER SHAFT)
2011 MD115A2 15. GEAR CASE (PROPELLER SHAFT)
2011 NSD115A2 15. GEAR CASE (PROPELLER SHAFT)
2010 MD115A2 15. GEAR CASE (PROPELLER SHAFT)
2010 MD90B 15. GEAR CASE (PROPELLER SHAFT)
2010 NSD115A2 15. GEAR CASE (PROPELLER SHAFT)
2010 NSD90B 15. GEAR CASE (PROPELLER SHAFT)
2006 MD115A 15. GEAR CASE (PROPELLER SHAFT)
2006 MD90B (AQ) 15. GEAR CASE (PROPELLER SHAFT)
2006 NSD115A 15. GEAR CASE (PROPELLER SHAFT)
2006 NSD90B (AQ) 15. GEAR CASE (PROPELLER SHAFT) (Selected)
2003 M115A2 14. GEAR CASE (PROPELLER SHAFT)
2003 M115A2 14. GEAR CASE (PROPELLER SHAFT)
2003 NS115A2 14. GEAR CASE (PROPELLER SHAFT)
2003 NS115A2 14. GEAR CASE (PROPELLER SHAFT)
1996 M90A 15. GEAR CASE (PROPELLER SHAFT)
1996 NS90A 15. GEAR CASE (PROPELLER SHAFT)

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Total Capitalization
US$ 0 Million
Country / Region:
China
Year Established
2019
Total Employees
Business Type
Yacht parts  Manufacturer
Company Type
Enterprises
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Chongqing Qiyi Technology Co., Ltd
Address 4th Floor, Factory Building No. 1, No. 15 Shilin Avenue, Tiaodeng Town, Dadukou District, Chongqing City, China
Homepage Address https://www.starterstock.com/shop/qiyi/
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