• Brand New Aftermarket Gear Set 43-18410A4 (20 & 22 teeth) (1.50:1.47)
  •  
    • V8 Drive Performance: Heavy-duty 20/22 Tooth Upper Gear Set designed to provide the standard 1.50 / 1.47 Gear Ratio specifically for V8 Mercruiser sterndrives.
     
    • Extensive Compatibility: Fits a wide range of drives from 1973 to early Gen II (S/N below 0K999999), including Mercruiser I, R, MR, Alpha One, and Alpha One SS models.
     
    • OEM Cross-Reference: Precision replacement for Mercury OEM part numbers 43-18410A4, 18411A4, 14010A1 and GLM 11210.
     
  • For Mercury Mercruiser I R MR Generation I Gen II Gear Set 43-18410A4 18410A4

    Brand New Aftermarket Gear Set 43-18410A4 (20 & 22 teeth) (1.50:1.47)

     

    • V8 Drive Performance: Heavy-duty 20/22 Tooth Upper Gear Set designed to provide the standard 1.50 / 1.47 Gear Ratio specifically for V8 Mercruiser sterndrives.

     

    • Extensive Compatibility: Fits a wide range of drives from 1973 to early Gen II (S/N below 0K999999), including Mercruiser I, R, MR, Alpha One, and Alpha One SS models.

     

    • OEM Cross-Reference: Precision replacement for Mercury OEM part numbers 43-18410A4, 18411A4, 14010A1 and GLM 11210.

     

    • Premium Taiwanese Quality: Manufactured by Asaki BoatPropeller in Taiwan using high-strength alloy steel and advanced heat treatment to handle high torque and ensure quiet, long-lasting operation.

     

    • Fast Trackable Shipping: Dispatched directly from our Taiwan facility via FedEx, DHL, or EMS with 1–2 day handling; we provide reliable, fully trackable international delivery to the worldwide.

     

     

    SIMILAR ITEM NUMBER:

    Mercury No.: 18410A4, 18411A4, 14010A1

    GLM No.: 11210

     

    Fit on:

    Mercury Mercruiser 

    1973 – Up Mercruiser I, R, MR, Alpha I drives, Gen II drives (S/N 0K999999 – below)

     

    ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - SSM II/III/IV/V 1982-1995

     

    ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - ALPHA ONE SS 1986-1989

     

     

    Why Choose Us

    • Premium Materials: We use only high-grade steel that meets or exceeds OEM specifications for structural integrity and fatigue resistance.

    • Specialized Experience: We are dedicated to the Marine aftermarket and understand the specific requirements of high-performance propulsion systems.

     

     

    Important Note

    Verify Tooth Count: This gear set features a 20 Tooth Pinion and 22 Tooth Driven Gear. Please count the teeth on your existing gears and verify your drive model (Alpha One SS / SSM) before ordering, as standard Alpha drives use different ratios.

     

     

    PACKAGE

    • 1 x Gear Set For MERCURY MERCRUISER Engine

     



    SHIPPING & NOTICE
    • Will ship goods by DHL, EMSFEDEX or Post Office Air Parcel.

     

    AREA

    SHIPPING TIME

    (not includes staying at Customs)

    USA/CANADA 2-16 Business Days
    Australia/New Zealand 3-16 Business Days
    Europe 3-24 Business Days
    Asia 2-10 Business Days
    Middle East 5-20 Business Days
    South America 6-28 Business Days
    Russian Federation 4-18 Business Days
    Other Countries 7-31 Business Days
    • Note: Days of Delivery commerce from mailing date, excluding customs clearance date.
    • Package status can be check on tracking website, if buyers have any questions about the delivery please let seller and carrier know.
    • Tracking number will be sent to buyer after the goods is shipped out. 
    • All goods will be shipped out from Taiwan with good carton and good packaging condition.
    • We do not suggest buyer to let shipping carrier to put cargo in front of door, if missing or damaged, cannot ask for any compensation.
    • We ship out the goods exclude Saturday, Sunday and Taiwan National Holiday.

     

    • Buyers from following countries MUST provide Tax I.D. for

    customs clearance purose.

    • Brazil - CNPJ No./CPF No.
    • Chile - Chilean RUT
    • Argentina - CUIT/CUIL, DNI, or passport
    • Mexico - RFC No.
    • Years Used and HP are provided as a guide. 
    • It is your responsibility to ensure that this part is correct for your motor.
    • Buyer from Brazil, please offer Tax I.D. after buying.
    •  
    TAX & VAT
    • The transaction does not include any Import  Tax / Duty / VAT / Brokerage Fees / Handling Fees. For more information about the tax rate, please check with local custom  department before purchases. If you reject the package due to any charged tax or duty, we reserve the right to charge ALL shipping cost and 5% (of total price) handling fee. 
    • Import duties, taxes and charges are not included in the item price or shipping charges. These charges are  the buyer's responsibility. We do not responsible for any custom duty or  import tax. Please check with your country's customs office to determine what these additional costs will be prior to bidding /  buying. Sometime customs will inspect the parcel and sometime will not. If you have any special request, please kindly advise us once place order.
    WARRANTY & RETURN
    • The Item is brand new in new packaging.
    • How to do the warranty : The warranty will be covered by natural faulty not including man-made damaged. If you receive a defective item or any item needs to  be repaired under the warranty period, buyers have to report to us within 5 days and take a  picture to show us the damage part and outside of package after received the item. We will try to help you solve the problem by ebay system. If still have problem, please kindly send back the defective item for our repair by freight prepaid. Returning postage is buyer's responsibility. If it is our quality's  problem, we will repair it and send the repaired item to you for free of charge. If the damage is made by wrong operation, we will ask for maintenance cost. 
    • Refund is not acceptable when: The Item which is arrives with damages or defects or the specification is not the same as the buyer previously advised, although it is unused and original packaging including all tags.

     

     

    • All shipping cost thus generated is paid by the buyer if buyer cancel the order not because of products' problem.

    Because all fixed price includes shipping cost, if buyer buy wrong or do not need no longer then want to cancel it, we will ask for return by buyer(it means buyer should pay the shipping cost which from buyer's country to us) and refund only for product money without shipping cost which Taiwan to that buyer's country.

     

    • We may charge up to 30% related handling fee of the item's price for the order cancellation/return request made after the package is shipped out within 30 days no matter the package is delivered or not. *

    * It is buyer’s obligation to afford return shipping fee after the package was shipped out and request for return (no longer need/ wrong item place/ replacement request, etc.). Please sent the package back (if successfully delivered) by yourself to the address we provide and leave the tracking number to us via “Message”. If not receive the cargo, please reject delivery company to receive the cargo. We will get information from delivery company and process to retrun back us.

    • All refund to buyer EXCLUDE shipping fee. A full refund (include shipping fee) ONLY available for unshipped order. **

    ** We do accept a full refund for following situation: Wrong item sent/ defective product/ package lost during delivery process (We will first make a confirmation with delivery company and ship again the item.) A full refund will make to the buyer if not willing to wait for the re-send package.

    • Refund will be authorized after we receive the return goods and completely check there are no damaged, missing parts, or have obvious signs of use for reasons not due to seller error. BOAT PROPELLER has the right to not to make a full refund of the item's price for any of the above situations. ***

    ​*** We will discuss with the buyer about the exact refund amount according to the relevant order condition. Please pay attention to your inbox at any time.

     

    • The Item returned must be received within 30 days after the receipt of the items. No refund and replacement is issued after this period. 
    • It is the buyer's right to verify the fitment for the engine before purchase.
    • Do drop us a message if there is any question, we will do our best to help and reach customer expectation.
    SAFETY NOTICE & LEGAL DISCLAIMER

    1. Mandatory Professional Installation: This is a high-performance mechanical component. For your safety, this product MUST be installed by a certified professional technician. Improper installation may result in catastrophic mechanical failure, loss of vehicle control, and serious or life-threatening risks.

    2. Assumption of Risk: Operating power sports equipment involves inherent dangers. By purchasing this product, the user acknowledges and assumes all risks of personal injury or property damage. Our company is not liable for any direct or indirect damages arising from improper use, modification, or unauthorized installation.

     

    3. Compatibility Statement: Manufacturer names and OEM part numbers are used for identification and compatibility purposes only. Our products are independent aftermarket replacement parts and are not affiliated with the original equipment manufacturers.

    This is not include the hub kit. 

     

    But inside is with the rubber, is like the photo that you saw it. We call in the propeller is the rubber bushing, not call hub kit. 

    The propeller is like the photo that you saw it with rubber bushing inside, so you just need to put the propeller shaft can be used it. 

    Store Category
    For Mercury Mercruiser I R MR Generation I Gen II Gear Set 43-18410A4 18410A4

    Brand New Aftermarket Gear Set 43-18410A4 (20 & 22 teeth) (1.50:1.47)

     

    • V8 Drive Performance: Heavy-duty 20/22 Tooth Upper Gear Set designed to provide the standard 1.50 / 1.47 Gear Ratio specifically for V8 Mercruiser sterndrives.

     

    • Extensive Compatibility: Fits a wide range of drives from 1973 to early Gen II (S/N below 0K999999), including Mercruiser I, R, MR, Alpha One, and Alpha One SS models.

     

    • OEM Cross-Reference: Precision replacement for Mercury OEM part numbers 43-18410A4, 18411A4, 14010A1 and GLM 11210.

     

    • Premium Taiwanese Quality: Manufactured by Asaki BoatPropeller in Taiwan using high-strength alloy steel and advanced heat treatment to handle high torque and ensure quiet, long-lasting operation.

     

    • Fast Trackable Shipping: Dispatched directly from our Taiwan facility via FedEx, DHL, or EMS with 1–2 day handling; we provide reliable, fully trackable international delivery to the worldwide.

     

     

    SIMILAR ITEM NUMBER:

    Mercury No.: 18410A4, 18411A4, 14010A1

    GLM No.: 11210

     

    Fit on:

    Mercury Mercruiser 

    1973 – Up Mercruiser I, R, MR, Alpha I drives, Gen II drives (S/N 0K999999 – below)

     

    ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - SSM II/III/IV/V 1982-1995

     

    ALPHA-ONE SS, II SSM, III, III SSM, IIIA SSM, IV SSM, V SSM - ALPHA ONE SS 1986-1989

     

     

    Why Choose Us

    • Premium Materials: We use only high-grade steel that meets or exceeds OEM specifications for structural integrity and fatigue resistance.

    • Specialized Experience: We are dedicated to the Marine aftermarket and understand the specific requirements of high-performance propulsion systems.

     

     

    Important Note

    Verify Tooth Count: This gear set features a 20 Tooth Pinion and 22 Tooth Driven Gear. Please count the teeth on your existing gears and verify your drive model (Alpha One SS / SSM) before ordering, as standard Alpha drives use different ratios.

     

     

    PACKAGE

    • 1 x Gear Set For MERCURY MERCRUISER Engine

     



    • Will ship goods by DHL, EMSFEDEX or Post Office Air Parcel.

     

    AREA

    SHIPPING TIME

    (not includes staying at Customs)

    USA/CANADA 2-16 Business Days
    Australia/New Zealand 3-16 Business Days
    Europe 3-24 Business Days
    Asia 2-10 Business Days
    Middle East 5-20 Business Days
    South America 6-28 Business Days
    Russian Federation 4-18 Business Days
    Other Countries 7-31 Business Days
    • Note: Days of Delivery commerce from mailing date, excluding customs clearance date.
    • Package status can be check on tracking website, if buyers have any questions about the delivery please let seller and carrier know.
    • Tracking number will be sent to buyer after the goods is shipped out. 
    • All goods will be shipped out from Taiwan with good carton and good packaging condition.
    • We do not suggest buyer to let shipping carrier to put cargo in front of door, if missing or damaged, cannot ask for any compensation.
    • We ship out the goods exclude Saturday, Sunday and Taiwan National Holiday.

     

    • Buyers from following countries MUST provide Tax I.D. for

    customs clearance purose.

    • Brazil - CNPJ No./CPF No.
    • Chile - Chilean RUT
    • Argentina - CUIT/CUIL, DNI, or passport
    • Mexico - RFC No.
    • Years Used and HP are provided as a guide. 
    • It is your responsibility to ensure that this part is correct for your motor.
    • Buyer from Brazil, please offer Tax I.D. after buying.
    •  
    • The transaction does not include any Import  Tax / Duty / VAT / Brokerage Fees / Handling Fees. For more information about the tax rate, please check with local custom  department before purchases. If you reject the package due to any charged tax or duty, we reserve the right to charge ALL shipping cost and 5% (of total price) handling fee. 
    • Import duties, taxes and charges are not included in the item price or shipping charges. These charges are  the buyer's responsibility. We do not responsible for any custom duty or  import tax. Please check with your country's customs office to determine what these additional costs will be prior to bidding /  buying. Sometime customs will inspect the parcel and sometime will not. If you have any special request, please kindly advise us once place order.
    • The Item is brand new in new packaging.
    • How to do the warranty : The warranty will be covered by natural faulty not including man-made damaged. If you receive a defective item or any item needs to  be repaired under the warranty period, buyers have to report to us within 5 days and take a  picture to show us the damage part and outside of package after received the item. We will try to help you solve the problem by ebay system. If still have problem, please kindly send back the defective item for our repair by freight prepaid. Returning postage is buyer's responsibility. If it is our quality's  problem, we will repair it and send the repaired item to you for free of charge. If the damage is made by wrong operation, we will ask for maintenance cost. 
    • Refund is not acceptable when: The Item which is arrives with damages or defects or the specification is not the same as the buyer previously advised, although it is unused and original packaging including all tags.

     

     

    • All shipping cost thus generated is paid by the buyer if buyer cancel the order not because of products' problem.

    Because all fixed price includes shipping cost, if buyer buy wrong or do not need no longer then want to cancel it, we will ask for return by buyer(it means buyer should pay the shipping cost which from buyer's country to us) and refund only for product money without shipping cost which Taiwan to that buyer's country.

     

    • We may charge up to 30% related handling fee of the item's price for the order cancellation/return request made after the package is shipped out within 30 days no matter the package is delivered or not. *

    * It is buyer’s obligation to afford return shipping fee after the package was shipped out and request for return (no longer need/ wrong item place/ replacement request, etc.). Please sent the package back (if successfully delivered) by yourself to the address we provide and leave the tracking number to us via “Message”. If not receive the cargo, please reject delivery company to receive the cargo. We will get information from delivery company and process to retrun back us.

    • All refund to buyer EXCLUDE shipping fee. A full refund (include shipping fee) ONLY available for unshipped order. **

    ** We do accept a full refund for following situation: Wrong item sent/ defective product/ package lost during delivery process (We will first make a confirmation with delivery company and ship again the item.) A full refund will make to the buyer if not willing to wait for the re-send package.

    • Refund will be authorized after we receive the return goods and completely check there are no damaged, missing parts, or have obvious signs of use for reasons not due to seller error. BOAT PROPELLER has the right to not to make a full refund of the item's price for any of the above situations. ***

    ​*** We will discuss with the buyer about the exact refund amount according to the relevant order condition. Please pay attention to your inbox at any time.

     

    • The Item returned must be received within 30 days after the receipt of the items. No refund and replacement is issued after this period. 
    • It is the buyer's right to verify the fitment for the engine before purchase.
    • Do drop us a message if there is any question, we will do our best to help and reach customer expectation.

    1. Mandatory Professional Installation: This is a high-performance mechanical component. For your safety, this product MUST be installed by a certified professional technician. Improper installation may result in catastrophic mechanical failure, loss of vehicle control, and serious or life-threatening risks.

    2. Assumption of Risk: Operating power sports equipment involves inherent dangers. By purchasing this product, the user acknowledges and assumes all risks of personal injury or property damage. Our company is not liable for any direct or indirect damages arising from improper use, modification, or unauthorized installation.

     

    3. Compatibility Statement: Manufacturer names and OEM part numbers are used for identification and compatibility purposes only. Our products are independent aftermarket replacement parts and are not affiliated with the original equipment manufacturers.

    This is not include the hub kit. 

     

    But inside is with the rubber, is like the photo that you saw it. We call in the propeller is the rubber bushing, not call hub kit. 

    The propeller is like the photo that you saw it with rubber bushing inside, so you just need to put the propeller shaft can be used it. 


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