-16% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring #18-7117
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Sierra Sierra O-Ring #18-7117 $1.92 $2.26
Sierra 18-7117 O-RingsO-RingOEM Interchange:MERCURY MARINE: 25-35027OMC: 303360Sierra O-Ring #18-7117Normalized SKU: 187117UPC Code: 030999321367
-15% sale
Sierra O-Ring #18-7116
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Sierra Sierra O-Ring #18-7116 $1.33 $1.56
Sierra 18-7116 O-RingsO-RingOEM Interchange:MERCURY MARINE: 25-62704OMC: 303067VOLVO: 3852045Sierra O-Ring #18-7116Normalized SKU: 187116UPC Code: 030999321350
-16% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring #18-7115
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Sierra Sierra O-Ring #18-7115 $2.36 $2.78
Sierra 18-7115 O-RingsO-RingOEM Interchange:MERCURY MARINE: 25-26722OMC: 302588Sierra O-Ring #18-7115Normalized SKU: 187115UPC Code: 030999321343
Sold out -15% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring 5-pk #18-7114-9
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Sierra Sierra O-Ring 5-pk #18-7114-9 $7.06 $8.30
Sierra 18-7114-9 O-Rings I.D.: 1.000" or 25.4mm Width: 0.135" or 3.4mm Package of 5 Normalized SKU: 1871149UPC Code: 808282165116
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring #18-7112
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Sierra Sierra O-Ring #18-7112 $0.22 $0.26
Sierra 18-7112 O-RingsO-RingOEM Interchange:OMC: 302493Sierra O-Ring #18-7112Normalized SKU: 187112UPC Code: 030999321329
-16% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring #18-7111
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Sierra Sierra O-Ring #18-7111 $3.21 $3.78
Sierra 18-7111 O-RingsO-RingOEM Interchange:OMC: 301824Sierra O-Ring #18-7111Normalized SKU: 187111UPC Code: 808282259594
-17% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring 5-pk #18-7109-9
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Sierra Sierra O-Ring 5-pk #18-7109-9 $12.26 $14.63
Sierra 18-7109-9 O-Rings I.D.: 0.214" or 5.4mm Width: 0.048" or 1.2mm Qty: Pkg. of 5 Normalized SKU: 1871099UPC Code: 808282165109
-17% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring 5-pk #18-7107-9
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Sierra Sierra O-Ring 5-pk #18-7107-9 $14.04 $16.76
Sierra 18-7107-9 O-Rings I.D.: 4.750" or 120.7mm Width: 0.135" or 3.4mm Package of 5 Normalized SKU: 1871079UPC Code: 808282165086
-17% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring 5-pk #18-7108-9
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Sierra Sierra O-Ring 5-pk #18-7108-9 $12.31 $14.69
Sierra 18-7108-9 O-RingsO-Ring (Priced Per Pkg of 5)Sierra O-Ring (Priced Per Pkg of 5) #18-7108-9Normalized SKU: 1871089UPC Code: 808282165093
Sold out -15% sale
Sierra O-Ring 5-pk #18-7104-9
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Sierra Sierra O-Ring 5-pk #18-7104-9 $0.60 $0.70
Sierra 18-7104-9 O-Rings O-Ring (Priced Per Pkg of 5) Details: I.D.: 2.210" or 56.1mm Width: 0.135" or 3.4mm GLM 82280 Johnson/Evinrude Outboard 308627 Mallory 9-76521 Sierra O-Ring (Priced Per Pkg of 5) #18-7104-9 Normalized SKU: 1871049UPC Code: 808282165055
Sold out -17% sale
Sierra O-Ring 5-pk #18-7103-9
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Sierra Sierra O-Ring 5-pk #18-7103-9 $33.81 $40.35
Sierra 18-7103-9 O-Rings O-Ring (Priced Per Pkg of 5) Features: Package of 5 Additional Details: I.D.: 0.924" or 23.5mm Width: 0.103" or 2.6mm GLM 81190 Johnson/Evinrude Outboard 308624 Mercruiser Stern Drive 25-29845 Mercury Marine 25-29845 OMC Stern Drive 308624 Sierra O-Ring (Priced Per Pkg of 5) #18-7103-9 Normalized SKU: 1871039UPC Code: 808282165048
Sold out -15% sale
Sierra O-Ring 5-pk #18-7102-9
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Sierra Sierra O-Ring 5-pk #18-7102-9 $0.97 $1.14
Sierra 18-7102-9 O-Rings O-Ring (Priced Per Pkg of 5) Details: I.D.: 0.430" or 11mm Width: 0.065" or 1.7mm Chrysler/Force/US Marine 25-F468342 GLM 80130 Johnson/Evinrude Outboard 307450 Mallory 9-76520 Mercruiser Stern Drive 25-62706 Mercury Marine 25-62706 OMC Stern Drive 307450 3852073 Volvo Penta 3852073 Sierra O-Ring (Priced Per Pkg of 5) #18-7102-9 Normalized SKU: 1871029UPC Code: 808282165031
-17% sale
Sierra O-Ring 5-pk #18-7100-9
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Sierra Sierra O-Ring 5-pk #18-7100-9 $12.31 $14.69
Sierra 18-7100-9 O-Rings O-Ring (Priced Per Pkg of 5) Details: I.D.: 0.245" or 6.2mm Width: 0.155" or 3.9mm Chrysler/Force/US Marine 25-85594 GLM 45230 Johnson/Evinrude Outboard 301877 Mallory 9-76509 Mercury Marine 25-85594 OMC Stern Drive 301877 Sierra O-Ring (Priced Per Pkg of 5) #18-7100-9 Normalized SKU: 1871009UPC Code: 808282165017
Sold out -17% sale
Sierra O-Ring 5-pk #18-7101-9
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Sierra Sierra O-Ring 5-pk #18-7101-9 $8.60 $10.27
Sierra 18-7101-9 O-Rings O-Ring (Priced Per Pkg of 5) Details: I.D.: 0.250" or 6.4mm Width: 0.065" or 1.7mm GLM 80100 Johnson/Evinrude Outboard 305739 Mallory 9-76519 OMC Stern Drive 305739 Sierra O-Ring (Priced Per Pkg of 5) #18-7101-9 Normalized SKU: 1871019UPC Code: 808282165024
-16% sale
Sierra O-Ring 2-pk #18-0860-9
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Sierra Sierra O-Ring 2-pk #18-0860-9 $7.34 $8.64
Sierra 18-0860-9 O-Rings O-Ring (Priced Per Pkg of 2) Features: Package of 2 Additional Details: I.D.: 3.237" or 82.2mm Width: 0.103" or 2.6mm GLM 81520 Mercruiser Stern Drive 25-62700 Mercury Marine 25-62700 Mercury Sport Jet 25-62700 Sierra O-Ring (Priced Per Pkg of 2) #18-0860-9 Normalized SKU: 1808609UPC Code: 808282161750
Sold out -16% sale
Sierra O-Ring 2-pk #18-0858-9
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Sierra Sierra O-Ring 2-pk #18-0858-9 $5.71 $6.72
Sierra 18-0858-9 O-Rings O-Ring (Priced Per Pkg of 2) Features: Package of 2 Additional Details: I.D.: 2.8" or 71.12mm Width: 0.103" or 2.6mm GLM 81430 Mallory 9-76516 Mercruiser Stern Drive 25-54029 Mercury Marine 25-54029 Mercury Sport Jet 25-54029 Sierra O-Ring (Priced Per Pkg of 2) #18-0858-9 Normalized SKU: 1808589UPC Code: 808282161743
-15% sale
Sierra Qualifies for Free Shipping Sierra O-Ring #18-0838
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Sierra Sierra O-Ring #18-0838 $2.16 $2.54
Sierra 18-0838 O-RingsO-RingSierra O-Ring #18-0838Normalized SKU: 180838UPC Code: 707390454641
Sold out -16% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring #18-0298
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Sierra Sierra O-Ring #18-0298 $4.47 $5.26
Sierra 18-0298 O-RingsO-RingOEM Interchange:MERCURY MARINE: 25-82275MYAMAHA: 93210-41042-00Sierra O-Ring #18-0298Normalized SKU: 180298UPC Code: 030999872982
Sold out -17% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring #18-0299
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Sierra Sierra O-Ring #18-0299 $7.89 $9.42
Sierra 18-0299 O-RingsO-RingOEM Interchange:MERCURY MARINE: 25-82289MYAMAHA: 93210-66M98-00Sierra O-Ring #18-0299Normalized SKU: 180299UPC Code: 030999872999
-17% sale
Sierra Not Qualified for Free Shipping Sierra O-Ring #18-0275
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Sierra Sierra O-Ring #18-0275 $12.25 $14.62
Sierra 18-0275 O-RingsO-RingOEM Interchange:YAMAHA: 93210-97M55-00Sierra O-Ring #18-0275Normalized SKU: 180275UPC Code: 030999872852

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.

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  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
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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.

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