Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3981
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Sierra Sierra Piston Rings #18-3981 $8.29 $9.90
Sierra 18-3981 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-96170A4Sierra Piston Rings #18-3981Normalized SKU: 183981UPC Code: 808282124793
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3979
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Sierra Sierra Piston Rings #18-3979 $29.43 $35.13
Sierra 18-3979 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-96170A12Sierra Piston Rings #18-3979Normalized SKU: 183979UPC Code: 808282124779
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3977
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Sierra Sierra Piston Rings #18-3977 $6.78 $7.98
Sierra 18-3977 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-18939MMERCURY MARINE: 39-18939TYAMAHA: 682-11610-11-00Sierra Piston Rings #18-3977Normalized SKU: 183977UPC Code: 808282234805
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3978
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Sierra Sierra Piston Rings #18-3978 $6.34 $7.46
Sierra 18-3978 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-15322MYAMAHA: 682-11610-21-00Sierra Piston Rings #18-3978Normalized SKU: 183978UPC Code: 808282234812
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3974
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Sierra Sierra Piston Rings #18-3974 $14.23 $16.98
Sierra 18-3974 Piston RingsPiston RingsOEM Interchange:OMC: 431844Sierra Piston Rings #18-3974Normalized SKU: 183974UPC Code: 707390455792
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3975
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Sierra Sierra Piston Rings #18-3975 $4.18 $4.92
Sierra 18-3975 Piston RingsPiston RingsOEM Interchange:OMC: 431870Sierra Piston Rings #18-3975Normalized SKU: 183975UPC Code: 808282244149
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3976
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Sierra Sierra Piston Rings #18-3976 $0.83 $0.98
Sierra 18-3976 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-15320MYAMAHA: 682-11610-01-00Sierra Piston Rings #18-3976Normalized SKU: 183976UPC Code: 808282244156
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3969
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Sierra Sierra Piston Rings #18-3969 $4.93 $5.80
Sierra 18-3969 Piston RingsPiston RingsOEM Interchange:YAMAHA: 688-11603-A0-00Sierra Piston Rings #18-3969Normalized SKU: 183969UPC Code: 808282244132
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3972
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Sierra Sierra Piston Rings #18-3972 $2.04 $2.40
Sierra 18-3972 Piston RingsPiston RingsOEM Interchange:OMC: 390082Sierra Piston Rings #18-3972Normalized SKU: 183972UPC Code: 808282235055
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3967
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Sierra Sierra Piston Rings #18-3967 $29.78 $35.54
Sierra 18-3967 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-18653A1Sierra Piston Rings #18-3967Normalized SKU: 183967UPC Code: 808282124755
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3968
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Sierra Sierra Piston Rings #18-3968 $39.35 $47.21
Sierra 18-3968 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-18653A2Sierra Piston Rings #18-3968Normalized SKU: 183968UPC Code: 808282124762
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3963
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Sierra Sierra Piston Rings #18-3963 $54.50 $65.39
Sierra 18-3963 Piston RingsPiston RingsOEM Interchange:YAMAHA: 6K5-11601-02-00Sierra Piston Rings #18-3963Normalized SKU: 183963UPC Code: 808282234454
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3960
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00
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Sierra Sierra Piston Rings #18-3960 $5.39 $6.34
Sierra 18-3960 Piston RingsPiston RingsOEM Interchange:YAMAHA: 6H4-11610-00-00Sierra Piston Rings #18-3960Normalized SKU: 183960UPC Code: 808282244125
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3966
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Sierra Sierra Piston Rings #18-3966 $23.13 $27.60
Sierra 18-3966 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-18653A12Sierra Piston Rings #18-3966Normalized SKU: 183966UPC Code: 808282124748
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3962
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00
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Sierra Sierra Piston Rings #18-3962 $8.28 $9.88
Sierra 18-3962 Piston RingsPiston RingsOEM Interchange:YAMAHA: 6H4-11610-20-00Sierra Piston Rings #18-3962Normalized SKU: 183962UPC Code: 808282234447
Sold out -17% sale
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Sierra Sierra Piston Rings #18-3961 $8.40 $10.03
Sierra 18-3961 Piston RingsPiston RingsOEM Interchange:YAMAHA: 6H4-11610-10-00Sierra Piston Rings #18-3961Normalized SKU: 183961UPC Code: 707390455693
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3944
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Sierra Sierra Piston Rings #18-3944 $4.28 $5.04
Sierra 18-3944 Piston RingsPiston RingsOEM Interchange:CRUSADER: 33302MERCURY MARINE: 39-75609OMC: 370409VOLVO: 370409Sierra Piston Rings #18-3944Normalized SKU: 183944UPC Code: 030999976062
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3947
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Sierra Sierra Piston Rings #18-3947 $12.73 $15.19
Sierra 18-3947 Piston RingsPiston RingsOEM Interchange:OMC: 439538Sierra Piston Rings #18-3947Normalized SKU: 183947UPC Code: 808282176310
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3957
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Sierra Sierra Piston Rings #18-3957 $28.95 $34.56
Sierra 18-3957 Piston RingsPiston RingsSierra Piston Rings #18-3957Normalized SKU: 183957UPC Code: 808282234737
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3940
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Sierra Sierra Piston Rings #18-3940 $14.03 $16.74
Sierra 18-3940 Piston RingsPiston RingsOEM Interchange:CRUSADER: 30184MERCURY MARINE: 39-67127OMC: 328536Sierra Piston Rings #18-3940Normalized SKU: 183940UPC Code: 030999976024

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
  • Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
  • 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.

Free Shipping

On most orders $149+ to the continental 48 US states.

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Fast, secure checkout with a variety of payment methods.

Shop with confidence

25+ years serving the marine industry.

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