OMC Sterndrive/Cobra Lower Unit O Rings

Your Price: $6.33
Save: $3.82
(37% Off $10.15)
Part # 18-7101-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. .250
Width .065

Replaces OEM part #
  • OMC 305739
GLM 80130 replacement parts
Your Price: $4.25
Save: $4.20
(49% Off $8.45)
Part # 18-7102-9 ValueShip™ Eligible
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  • Pkg. of 5
  • Dimensions ( in )
    I.D. .430
    Width: .065
  • Replaces OEM part #
    • OMC 307450
    • MERCURY MARINE 25-62706
    • VOLVO 3852073
(5 count)
Your Price: $5.19
Save: $4.86
(48% Off $10.05)
Part # 18-7109-9 ValueShip™ Eligible
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Dimension ( in )
I.D. .214
Width: .048

Replaces OEM part #
  • OMC 317178
Your Price: $2.11
Save: $0.06
(2% Off $2.17)
Part # 18-7115 ValueShip™ Eligible
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Dimensions ( in )
I.D. 1.735
Width: .135

Replaces OEM part #
  • OMC 302588
  • MERCURY MARINE 25-26722
Your Price: $1.01
Save: $0.14
(12% Off $1.15)
Part # 18-7120 ValueShip™ Eligible
Dimensions ( in )
I.D. .215
Width .065

Replaces OEM part #
  • CHRYSLER FORCE 25-F498618
  • OMC 332584
  • OMC 307853
  • MERCURY MARINE 25-38933
  • OMC 332598
Your Price: $2.95
Save: $0.58
(16% Off $3.53)
Part # 18-7127 ValueShip™ Eligible
Dimensions ( in )
I.D. 3.315
Width .135

Replaces OEM part #
  • CHRYSLER FORCE 25-F84305
  • OMC 313446
Your Price: $5.01
Save: $0.19
(3% Off $5.20)
Part # 18-7129-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. .970
Width .065

Replaces OEM part #
  • OMC 314491
Your Price: $1.97
Part # 18-7130 ValueShip™ Eligible
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Dimensions ( in )
I.D. 2.125
Width .100

Replaces OEM part #
  • OMC 314728
Your Price: $1.13
Save: $0.95
(45% Off $2.08)
Part # 18-7135 ValueShip™ Eligible
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Dimensions ( in )
I.D. .750
Width .135

Replaces OEM part #
  • OMC 310584
  • MERCURY MARINE 25-35276
  • VOLVO 3852089
Your Price: $3.64
Save: $5.41
(59% Off $9.05)
Part # 18-7137-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. 0.320
Width .155

Replaces OEM part #
  • OMC 318372
Your Price: $9.57
Save: $9.80
(50% Off $19.37)
Part # 18-7138-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. 1.500
Width .210

Replaces OEM part #
  • OMC 318717
Your Price: $8.85
Save: $3.05
(25% Off $11.90)
Part # 18-7142-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. 3.940
Width .135

Replaces OEM part #
  • OMC 322119
Your Price: $4.21
Save: $2.19
(34% Off $6.40)
Part # 18-7145-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. .250
Width .100
Pack of 5

Replaces OEM part #
  • OMC 333572
  • MERCURY MARINE 25-64068
Your Price: $7.70
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(46% Off $14.30)
Part # 18-7152-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. 2.625
Width .135

Replaces OEM part #
  • OMC 307082
  • MERCURY MARINE 25-20863
Your Price: $6.83
Save: $5.77
(45% Off $12.60)
Part # 18-7156-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. 1.185
Width .100

Replaces OEM part #
  • OMC 309731
  • MERCURY MARINE 25-29439
Your Price: $12.44
Save: $7.81
(38% Off $20.25)
Part # 18-7167-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. 3.625
Width .135

Replaces OEM part #
  • OMC 310414
  • MERCURY MARINE 25-47254
Your Price: $3.80
Save: $2.35
(38% Off $6.15)
Part # 18-7168-9 ValueShip™ Eligible
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Transom Mount ( Cobra )
Bell Crank Seal
Engine 262 - 460 , Year 1988-89
Engine 2.3 - 7.5 , Year 1986-90

Dimensions ( in )
I.D. .370
Width .065
Package of 5


Replaces OEM part #
  • OMC 202893
  • MERCURY MARINE 25-48171
  • VOLVO 3852033
Your Price: $7.11
Save: $4.76
(40% Off $11.87)
Part # 18-7173-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. 1.875
Width .135

Replaces OEM part #
  • OMC 310327
  • OMC 910582
  • MERCURY MARINE 25-30224
Your Price: $4.05
Save: $4.65
(53% Off $8.70)
Part # 18-7174-9 ValueShip™ Eligible
Dimensions ( in )
I.D. .620
Width .100

Replaces OEM part #
  • OMC 326649
  • OMC 910582
  • MERCURY MARINE 25-45711
Your Price: $10.00
Save: $5.53
(35% Off $15.53)
Part # 18-7178-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. .920
Width .135

Replaces OEM part #
  • OMC 320140
  • VOLVO 125017-4, Dimensions ( mm ) I.D. 23.5, Width 3.5
Your Price: $5.59
Save: $4.91
(46% Off $10.50)
Part # 18-7403-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. 1.500
Width .100

Upper Gearcase ( Cobra )
Adaptor, Small Seal
Engine 262-460 , Year 1988-89
Engine 2.3-7.5 , Year 1986-90 , 5.7 ' 90 574 AMPWS , ARPWS

Replaces OEM part #
  • OMC 909316
Your Price: $3.67
Save: $6.53
(64% Off $10.20)
Part # 18-7404-9 ValueShip™ Eligible
Hurry! Only 1 left in stock
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Dimensions ( in )
I.D. .300
Width .100

Replaces OEM part #
  • OMC 909747
Your Price: $6.53
Save: $3.52
(35% Off $10.05)
Part # 18-7475-9 ValueShip™ Eligible
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Dimensions ( in )
I.D. .250
Width .065
Package of 5

Replaces OEM part #
  • OMC 332583
  • OMC 332584
Mercruiser O Rings-OMC Crank O-ring
Your Price: $0.63
Save: $0.14
(18% Off $0.77)
Part # 525-07
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    OMC:
  • 554545
OMC L/uint Oring 2 Req
Your Price: $0.76
Save: $0.73
(48% Off $1.49)
Part # 444-501
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    OMC:
  • 318372
OMC Thermostat O-ring
Your Price: $0.64
Save: $0.14
(17% Off $0.78)
Part # 515-21-01 ValueShip™ Eligible
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    OMC:
  • 322501
  • 331188
OMC Sterndrive/Cobra Lower Unit O Rings-Crank O-ring
Your Price: $0.46
Save: $0.11
(19% Off $0.57)
Part # 525-03
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    OMC:
  • 313754
Johnson/Evinrude 40 / 50-200 Hp Head O-Ring
Your Price: $3.87
Save: $0.88
(18% Off $4.75)
Part # 505-55
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    OMC:
  • 335523
Sierra
Full StarFull StarFull StarEmpty StarEmpty Star Based On 1 Review | Write Review
Full StarFull StarFull StarEmpty StarEmpty Staro-ring
by Gary from Smithtown, New York on June 06, 2012
turned out, I did not really need this part
(0 of 2 people found this review helpful)
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Full StarFull StarFull StarFull StarFull Star Based On 2 Reviews | Write Review
Full StarFull StarFull StarFull StarFull Stargood un
by Tim from Pound, Virginia on February 24, 2014
The right stuff
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Full StarFull StarFull StarFull StarFull Staro ring
by Cris from South Salem, New York on August 22, 2012
Stoped the leak!
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Average Customer Review for O-Ring - 18-7174-9 - Sierra
Full StarFull StarFull StarFull StarFull Star Based On 1 Review | Write Review
Full StarFull StarFull StarFull StarFull StarSpot on
by David from Ballston Spa, New York on May 04, 2016
Perfect fit
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