Sold out -14% sale
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Mercury Marine Mercury Upper Gear Repair Kit 27-32T #43-803107T 2 $2,456.89 $2,849.99
Mercury Marine 43-803107T 2 Gear SetsMercury Upper Gear Repair Kit 27-32T #43-803107T 2Normalized SKU: 43803107T2UPC Code: 745061539501
-20% sale
Volvo Penta Qualifies for Free Shipping Volvo Penta Drive Gear #852984
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Volvo Penta Volvo Penta Drive Gear #852984 $109.32 $135.70
Volvo Penta 852984 Gear SetsDrive GearNormalized SKU: 852984
Sold out -20% sale
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Sierra Sierra Gear Set #18-2289 $587.02 $732.67
Sierra 18-2289 Gear SetsGear SetOEM Interchange:OMC: 433570Sierra Gear Set #18-2289Normalized SKU: 182289UPC Code: 808282243395
Sold out -22% sale
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Sierra Sierra Gear Set #18-2207 $317.57 $403.33
Sierra 18-2207 Gear SetsGear SetOEM Interchange:OMC: 397338Sierra Gear Set #18-2207Normalized SKU: 182207UPC Code: 030999621160
Sold out -20% sale
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WSM Performance Parts WSM Performance Mercury Gear Kit 225 3.0 L #444-56 $451.00 $562.91
WSM Performance Parts 444-56 Gear SetsWSM Performance Mercury Gear Kit 225 3.0 L #444-56Normalized SKU: 44456UPC Code: 21053419370
Sold out -20% sale
Sierra Not Qualified for Free Shipping Sierra Gear Set #18-2315
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Sierra Sierra Gear Set #18-2315 $661.91 $826.15
Sierra 18-2315 Gear SetsGear Set #18-2315Sierra Gear Set #18-2315Normalized SKU: 182315UPC Code: 808282238315
Sold out -20% sale
Sierra Not Qualified for Free Shipping Sierra Upper Unit Gear Repair Kit #18-6351K
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Sierra Sierra Upper Unit Gear Repair Kit #18-6351K $454.85 $567.70
Sierra 18-6351K Gear SetsUpper Unit Gear Repair KitOEM Interchange:MERCURY MARINE: 43-803103T1Drive Parts: Upper Gear KitSierra Upper Unit Gear Repair Kit #18-6351KNormalized SKU: 186351KUPC Code: 808282200855
Sold out -20% sale
Sierra Not Qualified for Free Shipping Sierra Upper Unit Gear Repair Kit #18-6353K
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Sierra Sierra Upper Unit Gear Repair Kit #18-6353K $387.47 $483.61
Sierra 18-6353K Gear SetsUpper Unit Gear Repair KitOEM Interchange:MERCURY MARINE: 43-803105T1Drive Parts: Upper Gear KitSierra Upper Unit Gear Repair Kit #18-6353KNormalized SKU: 186353KUPC Code: 808282200879
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Upper Unit Gear Repair Kit #18-6352K
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Sierra Sierra Upper Unit Gear Repair Kit #18-6352K $53.03 $63.63
Sierra 18-6352K Gear SetsUpper Unit Gear Repair KitOEM Interchange:MERCURY MARINE: 43-803106T1Drive Parts: Upper Gear KitSierra Upper Unit Gear Repair Kit #18-6352KNormalized SKU: 186352KUPC Code: 808282200862
Sold out -18% sale
Sierra Not Qualified for Free Shipping Sierra Upper Unit Gear Repair Kit #18-6350K
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Sierra Sierra Upper Unit Gear Repair Kit #18-6350K $726.55 $879.81
Sierra 18-6350K Gear SetsUpper Unit Gear Repair KitOEM Interchange:MERCURY MARINE: 43-803104T1Drive Parts: Upper Gear KitSierra Upper Unit Gear Repair Kit #18-6350KNormalized SKU: 186350KUPC Code: 808282200848
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Complete Gear Set-4-Cylinder #18-1550
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Sierra Sierra Complete Gear Set-4-Cylinder #18-1550 $73.16 $87.79
Sierra 18-1550 Gear SetsComplete Gear Set-4 cylOEM Interchange:MERCURY MARINE: 43-881260A3Sierra Complete Gear Set-4 cyl #18-1550Normalized SKU: 181550UPC Code: 808282203030
Sold out -20% sale
Sierra Complete Gear Set V-6 #18-1551
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Sierra Sierra Complete Gear Set V-6 #18-1551 $481.74 $601.27
Sierra 18-1551 Gear SetsComplete Gear Set V-6OEM Interchange:MERCURY MARINE: 43-803615T2Sierra Complete Gear Set V-6 #18-1551Normalized SKU: 181551UPC Code: 808282203054
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Upper Gear Kit #18-6353
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Sierra Sierra Upper Gear Kit #18-6353 $292.33 $371.28
Sierra 18-6353 Gear SetsUpper Gear KitOEM Interchange:MERCURY MARINE: 43-853643A2Drive Parts: Upper Gear KitSierra Upper Gear Kit #18-6353Normalized SKU: 186353UPC Code: 808282112820
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Upper Gear Kit #18-6351
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Sierra Sierra Upper Gear Kit #18-6351 $337.91 $429.17
Sierra 18-6351 Gear SetsUpper Gear KitOEM Interchange:MERCURY MARINE: 43-853641A2Drive Parts: Upper Gear KitSierra Upper Gear Kit #18-6351Normalized SKU: 186351UPC Code: 808282112806
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Upper Gear Kit #18-6352
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Sierra Sierra Upper Gear Kit #18-6352 $221.26 $281.01
Sierra 18-6352 Gear SetsUpper Gear KitOEM Interchange:MERCURY MARINE: 43-853642A2Drive Parts: Upper Gear KitSierra Upper Gear Kit #18-6352Normalized SKU: 186352UPC Code: 808282112813
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Upper Gear Kit #18-6350
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Sierra Sierra Upper Gear Kit #18-6350 $337.55 $428.72
Sierra 18-6350 Gear SetsUpper Gear KitOEM Interchange:MERCURY MARINE: 43-853640A2Drive Parts: Upper Gear KitSierra Upper Gear Kit #18-6350Normalized SKU: 186350UPC Code: 808282112790
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Gear Set #18-2410
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Sierra Sierra Gear Set #18-2410 $293.51 $372.78
Sierra 18-2410 Gear SetsGear SetOEM Interchange:MERCURY MARINE: 43-96084A7Sierra Gear Set #18-2410Normalized SKU: 182410UPC Code: 808282101077
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Reverse Gear #18-2409
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Sierra Sierra Reverse Gear #18-2409 $257.41 $326.93
Sierra 18-2409 Gear SetsReverse GearOEM Interchange:MERCURY MARINE: 43-92320TDrive Parts: Reverse GearSierra Reverse Gear #18-2409Normalized SKU: 182409UPC Code: 808282101060
Sold out -22% sale
Sierra Not Qualified for Free Shipping Sierra Reverse Gear #18-2408
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Sierra Sierra Reverse Gear #18-2408 $137.78 $174.99
Sierra 18-2408 Gear SetsReverse GearOEM Interchange:MERCURY MARINE: 43-828073A1Drive Parts: Reverse GearSierra Reverse Gear #18-2408Normalized SKU: 182408UPC Code: 808282101053
Sold out -20% sale
Sierra Not Qualified for Free Shipping Sierra Gear Set #18-2407
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Sierra Sierra Gear Set #18-2407 $600.40 $749.37
Sierra 18-2407 Gear SetsGear SetOEM Interchange:MERCURY MARINE: 43-878087A4Sierra Gear Set #18-2407Normalized SKU: 182407UPC Code: 808282101046

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
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  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

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