Mercury/Mariner/Mercruiser I/O & Outboard O-Rings
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SIERRAMercury/Mariner/Mercruiser I/O & Outboard O-Rings

Prices from $1.29 - To $13.99

$6.29

In stock online.
Model # 10518975 | Mfg # 18-7105-9UPC # 808282165062
SIERRA
18-7105 O-Ring, 5-Pack

$6.29

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Specs

Product Overview

Sierra Marine engine parts are designed to meet or exceed the OEM part they are intended to replace and they are backed by the SeaStar Solutions Two-Year Warranty—one of the best in the business.

We offer a variety of O-rings, oil seals and seal kits for most engine applications on the water today—including MerCruiser, OMC, Johnson/Evinrude, Volvo and more.

How to find the O-ring you need

Many of the O-rings we offer fit multiple applications. Notice in the list below that in addition to Johnson/Evinrude and OMC applications, there are a variety of other engine applications for the O-rings offered here. O-rings can also be selected by inside diameter and width, which also appear in the table.

The Sierra Engine Parts Selector

If you do not see the O-ring (or other engine part) you need, please visit the Sierra Engine Parts Selector, where you can search by engine make, model, serial number or year of manufacture.

Sierra #ApplicationReplaces OEM Part #I.D.WidthQty.Model
18-7107-9GLM824804.750"0.135"510518983
18-7107-9Johnson/Evinrude OB3131754.750"0.135"510518983
18-7107-9Mercury Marine25-672024.750"0.135"510518983
18-7107-9OMC Stern Drive3131754.750"0.135"510518983
18-7413-9GLM801100.301"0.070"510519577
18-7413-9Johnson/Evinrude OB3031910.301"0.070"510519577
18-7413-9Mercury Marine25-221750.301"0.070"510519577
18-7413-9Mercury Sport Jet25-627020.301"0.070"510519577
18-7413-9OMC Stern Drive3031910.301"0.070"510519577
18-7440-1-9GLM811700.799"0.103"210518900
18-7440-1-9Johnson/Evinrude OB3019670.799"0.103"210518900
18-7440-1-9Mallory9-765740.799"0.103"210518900
18-7440-1-9Mercruiser Stern Drive25-363180.799"0.103"210518900
18-7440-1-9Mercury Marine25-363180.799"0.103"210518900
18-7156-9GLM812301.185"0.100"510519189
18-7156-9Johnson/Evinrude OB3097311.185"0.100"510519189
18-7156-9Mercruiser Stern Drive25-294391.185"0.100"510519189
18-7156-9Mercury Marine25-294391.185"0.100"510519189
18-7156-9OMC Stern Drive3097311.185"0.100"510519189
18-7164-9GLM812601.375"0.100"510519239
18-7164-9Johnson/Evinrude OB3025371.375"0.100"510519239
18-7164-9Mercruiser Stern Drive27-8981017891.375"0.100"510519239
18-7164-9Mercury Marine25-334661.375"0.100"510519239
18-7173-9GLM822501.875"0.135"510519304
18-7173-9Johnson/Evinrude OB3103271.875"0.135"510519304
18-7173-9Mallory9-765011.875"0.135"510519304
18-7173-9Mercruiser Stern Drive25-30224Q1.875"0.135"510519304
18-7173-9Mercury Marine25-270181.875"0.135"510519304
18-7173-9OMC Stern Drive3103271.875"0.135"510519304
18-7105-9GLM801800.750"0.065"510518975
18-7105-9Johnson/Evinrude OB3113380.750"0.065"510518975
18-7105-9Mallory9-765060.750"0.065"510518975
18-7105-9Mercruiser Stern Drive25-F7483420.750"0.065"510518975
18-7105-9Mercury Marine25-627050.750"0.065"510518975
18-7117GLM821501.046"0.135"110517910
18-7117Johnson/Evinrude OB3033601.046"0.135"110517910
18-7117Mallory9-765071.046"0.135"110517910
18-7117Mercruiser Stern Drive25-350271.046"0.135"110517910
18-7117Mercury Marine25-350271.046"0.135"110517910
18-7411-9GLM812401.250"0.100"510519569
18-7411-9Johnson/Evinrude OB3219211.250"0.100"510519569
18-7411-9Mercruiser Stern Drive25-8M20008161.250"0.100"510519569
18-7411-9Mercury Marine25-473861.250"0.100"510519569
18-7961Mallory9-765693.650"0.135"110518819
18-7961Mercury Marine25-472543.650"0.135"110518819

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