Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3939
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Sierra Sierra Piston Rings #18-3939 $19.67 $23.48
Sierra 18-3939 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-66217OMC: 3854252OMC: 914556VOLVO: 3854252VOLVO: 914556Sierra Piston Rings #18-3939Normalized SKU: 183939UPC Code: 030999976017
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3938
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Sierra Sierra Piston Rings #18-3938 $20.65 $24.64
Sierra 18-3938 Piston RingsPiston RingsOEM Interchange:CRUSADER: 12372GM: 14089026MERCURY MARINE: 39-17465OMC: 328516OMC: 914557VOLVO: 328516VOLVO: 914557Sierra Piston Rings #18-3938Normalized SKU: 183938UPC Code: 030999976000
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3942
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Sierra Sierra Piston Rings #18-3942 $18.27 $21.81
Sierra 18-3942 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-67132Sierra Piston Rings #18-3942Normalized SKU: 183942UPC Code: 030999976048
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3934
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Sierra Sierra Piston Rings #18-3934 $10.23 $12.21
Sierra 18-3934 Piston RingsPiston RingsOEM Interchange:YAMAHA: 6E5-11610-03-00Sierra Piston Rings #18-3934Normalized SKU: 183934UPC Code: 030999753779
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3933
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Sierra Sierra Piston Rings #18-3933 $35.93 $42.88
Sierra 18-3933 Piston RingsPiston RingsOEM Interchange:OMC: 386280Sierra Piston Rings #18-3933Normalized SKU: 183933UPC Code: 030999621757
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3936
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Sierra Sierra Piston Rings #18-3936 $7.43 $8.74
Sierra 18-3936 Piston RingsPiston RingsSierra Piston Rings #18-3936Normalized SKU: 183936UPC Code: 808282240370
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3927
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Sierra Sierra Piston Rings #18-3927 $31.37 $37.44
Sierra 18-3927 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-813011A12Sierra Piston Rings #18-3927Normalized SKU: 183927UPC Code: 030999621726
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3925
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Sierra Sierra Piston Rings #18-3925 $38.10 $45.72
Sierra 18-3925 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-815267A4Sierra Piston Rings #18-3925Normalized SKU: 183925UPC Code: 030999621702
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3928
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Sierra Sierra Piston Rings #18-3928 $3.93 $4.62
Sierra 18-3928 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-74381A1Sierra Piston Rings #18-3928Normalized SKU: 183928UPC Code: 030999755957
Sold out -17% sale
Sierra Piston Rings #18-3923
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Sierra Sierra Piston Rings #18-3923 $12.48 $14.89
Sierra 18-3923 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-85636A4Sierra Piston Rings #18-3923Normalized SKU: 183923UPC Code: 030999621689
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3924
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Sierra Sierra Piston Rings #18-3924 $4.27 $5.02
Sierra 18-3924 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-18487A12Sierra Piston Rings #18-3924Normalized SKU: 183924UPC Code: 808282258993
Sold out -17% sale
Sierra Piston Rings #18-3919
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Sierra Sierra Piston Rings #18-3919 $56.48 $67.77
Sierra 18-3919 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-817096A16Sierra Piston Rings #18-3919Normalized SKU: 183919UPC Code: 030999621641
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3921
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Sierra Sierra Piston Rings #18-3921 $45.65 $54.77
Sierra 18-3921 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-93481A12Sierra Piston Rings #18-3921Normalized SKU: 183921UPC Code: 030999621665
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3920
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Sierra Sierra Piston Rings #18-3920 $38.30 $45.95
Sierra 18-3920 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-817096A26Sierra Piston Rings #18-3920Normalized SKU: 183920UPC Code: 030999621658
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3922
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Sierra Sierra Piston Rings #18-3922 $11.61 $13.86
Sierra 18-3922 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-78918A4Sierra Piston Rings #18-3922Normalized SKU: 183922UPC Code: 030999621672
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3917
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00
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Sierra Sierra Piston Rings #18-3917 $1.11 $1.30
Sierra 18-3917 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-88392A12Sierra Piston Rings #18-3917Normalized SKU: 183917UPC Code: 030999542687
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3916
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Sierra Sierra Piston Rings #18-3916 $21.24 $25.35
Sierra 18-3916 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-78811A12Sierra Piston Rings #18-3916Normalized SKU: 183916UPC Code: 030999542670
-17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3915
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Sierra Sierra Piston Rings #18-3915 $42.62 $51.14
Sierra 18-3915 Piston RingsPiston RingsOEM Interchange:OMC: 391416OMC: 434109Sierra Piston Rings #18-3915Normalized SKU: 183915UPC Code: 030999542809
-17% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3918
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Sierra Sierra Piston Rings #18-3918 $63.26 $75.91
Sierra 18-3918 Piston RingsPiston RingsOEM Interchange:MERCURY MARINE: 39-817096A6Sierra Piston Rings #18-3918Normalized SKU: 183918UPC Code: 030999621634
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra Piston Rings #18-3914
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Sierra Sierra Piston Rings #18-3914 $5.10 $6.00
Sierra 18-3914 Piston RingsPiston RingsSierra Piston Rings #18-3914Normalized SKU: 183914UPC Code: 030999542793

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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25+ years serving the marine industry.

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