• Brand New Aftermarket Outboard Piston Kit STD 2704-826191T4/826191T4/826191A4
  •  
  • Restore peak compression to your Mercury 65-125 HP outboard with our premium Standard 3.5" Bore Piston Kit (OEM 2704-826191T4 / 826191T4)
  •  
    • Exact Direct Replacement: Premium Standard (STD) 3.5" Bore Piston Kit Designed To Directly Replace Mercury Marine OEM Part Numbers 2704-826191T4, 826191T4, 2704-826191A4, 821896A2, And 826191A6 (As Well As Sierra 18-4626, GLM 14470, And WSM 100-40K).
    • Broad Mercury Fitment: Precision-Engineered For Mercury 65 HP To 125 HP Outboard Motors And Jet Drives, Flawlessly Fitting A Wide Range Of 3-Cylinder And 4-Cylinder Models.
  • For Mercury 75-125HP Outboard Piston Kit 2704-826191T4 14470 18-4626 STD + Ring

    Brand New Aftermarket Outboard Piston Kit STD 2704-826191T4/826191T4/826191A4

     

    Restore peak compression to your Mercury 65-125 HP outboard with our premium Standard 3.5" Bore Piston Kit (OEM 2704-826191T4 / 826191T4)

     

    • Exact Direct Replacement: Premium Standard (STD) 3.5" Bore Piston Kit Designed To Directly Replace Mercury Marine OEM Part Numbers 2704-826191T4, 826191T4, 2704-826191A4, 821896A2, And 826191A6 (As Well As Sierra 18-4626, GLM 14470, And WSM 100-40K).

    • Broad Mercury Fitment: Precision-Engineered For Mercury 65 HP To 125 HP Outboard Motors And Jet Drives, Flawlessly Fitting A Wide Range Of 3-Cylinder And 4-Cylinder Models.

    • Complete Cylinder Rebuild Kit: Features A Precise 3.5-Inch (88.9 mm) Standard Bore Specification And Includes Everything Needed For A Single Cylinder Repair: One (1) Piston, Two (2) Piston Rings, One (1) Wrist Pin, And Two (2) Circlips.

    • Premium Taiwanese Manufacturing: Proudly Built To Strict Marine-Grade Factory Standards In Taiwan By Asaki BoatPropeller, Utilizing High-Strength Cast Aluminum Alloys To Withstand Extreme Engine Heat And Harsh Marine Environments.

    • Fast Trackable Global Shipping: Dispatched Directly From Our Taiwan Facility Via FedEx, DHL, Or EMS With Quick Handling, Offering Reliable And Expedited International Delivery To The USA, Europe, Australia, New Zealand, And Worldwide.

     

    SIMILAR ITEM NUMBER:

    OEM No.: OEM Number:2704-826191T4, 826191T4, 2704-826191A4, 826191A4, 2704-821896A2, 821896A2, 2704-821896A6, 821896A6, 2704-826191A6, 826191A6

    WSM No.: 100-40K

    GLM No.: 14470

    Sierra No.: 18-4626

     

    Bore Size: 3.5" (88.9 mm)

     

    Fit on: Mercury Outboard 65, 75, 80, 90, 100, 115, 125 HP

     

    65 JET - 0G760300 THRU 0T979999
    65 JET - 0P017000 THRU 0P325499
    65 JET (3 CYL.) - 0T980000 THRU 0T999999
    65 JET (3 CYL.) - 1B000001 & Up
    75 (3 CYL.) - 0G760300 THRU 0T979999
    75 (3 CYL.) - 0P017000 THRU 0P325499
    75 (3 CYL.) - 0P325500 & Up
    75 (3 CYL.) - 0T980000 THRU 0T999999
    75 (3 CYL.) - 1B000000 & Up
    75 (3 CYL.) - 1B000001 & Up
    80 JET - 0G760300 THRU 0T979999
    80 JET - 0P017000 THRU 0P325499
    80 JET - 0T980000 THRU 0T999999
    80 JET - 1B000001 & Up
    90 (3 CYL.) - 0G760300 THRU 0T979999
    90 (3 CYL.) - 0P017000 THRU 0P325499
    90 (3 CYL.) - 0P325500 & Up
    90 (3 CYL.) - 0T980000 THRU 0T999999
    90 (3 CYL.) - 1B000001 & Up
    100 (4 CYL.) - 0G760300 THRU 0G965520
    100 (4 CYL.) - 0P017000 THRU 0P058999
    115 (4 CYL.) - 0G760300 THRU 0T979999
    115 (4 CYL.) - 0P017000 THRU 0P325499
    115 (4 CYL.) - 0P325500 & Up
    115 (4 CYL.) - 0T980000 THRU 0T999999
    115 (4 CYL.) - 1B000001 & Up
    125 (4 CYL.) - 0G760300 THRU 0T979999
    125 (4 CYL.) - 0P017000 THRU 0P325499
    125 (4 CYL.) - 0P325500 & Up
    125 (4 CYL.) - 0T980000 THRU 0T999999
    125 (4 CYL.) - 1B000001 & Up

     

     

    Technical Features

    • Marine-Grade Heavy Duty Aluminum: Precision-cast from high-density, heat-treated aluminum alloy designed to withstand extreme thermal expansion, high combustion pressures, and the continuous high-RPM demands of Mercury and Mariner outboard engines.

    • Saltwater & Galvanic Corrosion Defense: Engineered with a specialized anti-corrosive marine barrier coating that actively repels moisture. This aggressively prevents saltwater pitting, galvanic degradation, and oxidation within the harsh cylinder block environment.

    • Precision Standard Bore (3.5" / 88.9 mm): CNC-machined to exact factory Standard (STD) dimensional tolerances. This ensures flawless piston-to-cylinder clearance, fully restoring lost engine compression, power, and fuel efficiency.

    • Complete Rebuild Solution: This drop-in kit includes everything needed for one cylinder assembly: 1 STD Piston, 1 Piston Pin, 2 Retaining Clips, and 2 Piston Rings.

     

    Why Choose Us

    • Premium OEM Grade Standards: We supply top-tier marine internal engine components crafted from premium materials that strictly match or exceed original OEM grade standards, ensuring reliable propulsion and safe navigation on the open water.

    • 24-Hour Fast Shipping: Low compression means your boat is stuck on the trailer. We process and dispatch your order within 24 hours to help your marine mechanic complete the top-end rebuild and get you back out fishing or cruising quickly.

     

    Important Note

    Please meticulously cross-verify your marine engine's exact serial number range, cylinder bore size (3.5" / 88.9 mm Standard), and original factory part numbers before finalizing your order. All OEM part numbers, brand names, and model designations are used strictly for compatibility identification and reference purposes only.

     

     

    PACKAGE

    • 1 x Piston Kit (piston/piston pin/clip X2/piston ring X2) For Mercury Mercruiser Outboard 


    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 75-125HP Outboard Piston Kit 2704-826191T4 14470 18-4626 STD + Ring

    Brand New Aftermarket Outboard Piston Kit STD 2704-826191T4/826191T4/826191A4

     

    Restore peak compression to your Mercury 65-125 HP outboard with our premium Standard 3.5" Bore Piston Kit (OEM 2704-826191T4 / 826191T4)

     

    • Exact Direct Replacement: Premium Standard (STD) 3.5" Bore Piston Kit Designed To Directly Replace Mercury Marine OEM Part Numbers 2704-826191T4, 826191T4, 2704-826191A4, 821896A2, And 826191A6 (As Well As Sierra 18-4626, GLM 14470, And WSM 100-40K).

    • Broad Mercury Fitment: Precision-Engineered For Mercury 65 HP To 125 HP Outboard Motors And Jet Drives, Flawlessly Fitting A Wide Range Of 3-Cylinder And 4-Cylinder Models.

    • Complete Cylinder Rebuild Kit: Features A Precise 3.5-Inch (88.9 mm) Standard Bore Specification And Includes Everything Needed For A Single Cylinder Repair: One (1) Piston, Two (2) Piston Rings, One (1) Wrist Pin, And Two (2) Circlips.

    • Premium Taiwanese Manufacturing: Proudly Built To Strict Marine-Grade Factory Standards In Taiwan By Asaki BoatPropeller, Utilizing High-Strength Cast Aluminum Alloys To Withstand Extreme Engine Heat And Harsh Marine Environments.

    • Fast Trackable Global Shipping: Dispatched Directly From Our Taiwan Facility Via FedEx, DHL, Or EMS With Quick Handling, Offering Reliable And Expedited International Delivery To The USA, Europe, Australia, New Zealand, And Worldwide.

     

    SIMILAR ITEM NUMBER:

    OEM No.: OEM Number:2704-826191T4, 826191T4, 2704-826191A4, 826191A4, 2704-821896A2, 821896A2, 2704-821896A6, 821896A6, 2704-826191A6, 826191A6

    WSM No.: 100-40K

    GLM No.: 14470

    Sierra No.: 18-4626

     

    Bore Size: 3.5" (88.9 mm)

     

    Fit on: Mercury Outboard 65, 75, 80, 90, 100, 115, 125 HP

     

    65 JET - 0G760300 THRU 0T979999
    65 JET - 0P017000 THRU 0P325499
    65 JET (3 CYL.) - 0T980000 THRU 0T999999
    65 JET (3 CYL.) - 1B000001 & Up
    75 (3 CYL.) - 0G760300 THRU 0T979999
    75 (3 CYL.) - 0P017000 THRU 0P325499
    75 (3 CYL.) - 0P325500 & Up
    75 (3 CYL.) - 0T980000 THRU 0T999999
    75 (3 CYL.) - 1B000000 & Up
    75 (3 CYL.) - 1B000001 & Up
    80 JET - 0G760300 THRU 0T979999
    80 JET - 0P017000 THRU 0P325499
    80 JET - 0T980000 THRU 0T999999
    80 JET - 1B000001 & Up
    90 (3 CYL.) - 0G760300 THRU 0T979999
    90 (3 CYL.) - 0P017000 THRU 0P325499
    90 (3 CYL.) - 0P325500 & Up
    90 (3 CYL.) - 0T980000 THRU 0T999999
    90 (3 CYL.) - 1B000001 & Up
    100 (4 CYL.) - 0G760300 THRU 0G965520
    100 (4 CYL.) - 0P017000 THRU 0P058999
    115 (4 CYL.) - 0G760300 THRU 0T979999
    115 (4 CYL.) - 0P017000 THRU 0P325499
    115 (4 CYL.) - 0P325500 & Up
    115 (4 CYL.) - 0T980000 THRU 0T999999
    115 (4 CYL.) - 1B000001 & Up
    125 (4 CYL.) - 0G760300 THRU 0T979999
    125 (4 CYL.) - 0P017000 THRU 0P325499
    125 (4 CYL.) - 0P325500 & Up
    125 (4 CYL.) - 0T980000 THRU 0T999999
    125 (4 CYL.) - 1B000001 & Up

     

     

    Technical Features

    • Marine-Grade Heavy Duty Aluminum: Precision-cast from high-density, heat-treated aluminum alloy designed to withstand extreme thermal expansion, high combustion pressures, and the continuous high-RPM demands of Mercury and Mariner outboard engines.

    • Saltwater & Galvanic Corrosion Defense: Engineered with a specialized anti-corrosive marine barrier coating that actively repels moisture. This aggressively prevents saltwater pitting, galvanic degradation, and oxidation within the harsh cylinder block environment.

    • Precision Standard Bore (3.5" / 88.9 mm): CNC-machined to exact factory Standard (STD) dimensional tolerances. This ensures flawless piston-to-cylinder clearance, fully restoring lost engine compression, power, and fuel efficiency.

    • Complete Rebuild Solution: This drop-in kit includes everything needed for one cylinder assembly: 1 STD Piston, 1 Piston Pin, 2 Retaining Clips, and 2 Piston Rings.

     

    Why Choose Us

    • Premium OEM Grade Standards: We supply top-tier marine internal engine components crafted from premium materials that strictly match or exceed original OEM grade standards, ensuring reliable propulsion and safe navigation on the open water.

    • 24-Hour Fast Shipping: Low compression means your boat is stuck on the trailer. We process and dispatch your order within 24 hours to help your marine mechanic complete the top-end rebuild and get you back out fishing or cruising quickly.

     

    Important Note

    Please meticulously cross-verify your marine engine's exact serial number range, cylinder bore size (3.5" / 88.9 mm Standard), and original factory part numbers before finalizing your order. All OEM part numbers, brand names, and model designations are used strictly for compatibility identification and reference purposes only.

     

     

    PACKAGE

    • 1 x Piston Kit (piston/piston pin/clip X2/piston ring X2) For Mercury Mercruiser Outboard 


    • 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. 


    Copyright of Boatpropeller. All rights reserved.