Johnson Powerhead O-rings

Refine Parts List
HP/Cyl

(4 to 235)
Year

(1957 to 1995)

HP/Cyl

Year

O-Ring Application

O.E. #

Sierra O-Ring

Mallory O-Ring

Inner Diameter- Inches

Width- Inches

QTY Needed

5.51959Lower Crankshaft30334718-7180(5) 9-76556 0.4450.091
9.51964-1973Upper Crankshaft30973118-7156(5) -1.1850.11
181957-1972Crankcase Head30254018-7114(5) -10.1351
181957-1976Large Lower Crankshaft30253718-7164(5) -1.3750.11
181971-1976Upper Crankshaft30253718-7164(5) -1.3750.11
20(1)1977Lower Crankshaft-18-7174 9-76553 --1
20(1)1979-1990Lower Crankshaft-18-7174 9-76553 --1
201990-1995Crankcase Head Outer55454518-7146(5)9-76539 1.120.11
251957-1976Large Lower Crankshaft30253718-7164(5) -1.3750.11
25(1)1977Lower Crankshaft-18-7174 9-76553 --1
25(1)1979-1990Lower Crankshaft-18-7174 9-76553 --1
251990-1995Crankcase Head Outer55454518-7146(5)9-76539 1.120.11
251957Crankcase Head30254018-7114(5) -10.1351
351969-1976Crankcase Head30254018-7114(5) -10.1351
251971-1976Upper Crankshaft30253718-7164(5) -1.3750.11
251989-1990Crankcase Head30887618-7123(2) -2.2350.11
251989-1990Upper Crankshaft31966218-7457(2) -1.7990.1031
251978Lower Crankshaft30305918-7134(5)9-76511 0.50.11
281962-1964Large Lower Crankshaft30253718-7164(5) -1.3750.11
281976-1977Lower Crankshaft-18-7174 9-76553 --1
281979-1990Lower Crankshaft-18-7174 9-76553 --1
281990-1995Crankcase Head Outer55454518-7146(5)9-76539 1.120.11
301976-1977Lower Crankshaft-18-7174 9-76553 --1
301979-1990Lower Crankshaft-18-7174 9-76553 --1
301990-1995Crankcase Head Outer55454518-7146(5)9-76539 1.120.11
331957-1975Large Lower Crankshaft55454518-7164(5) -1.120.11
351978Lower Crankshaft30305918-7134(5)9-76511 0.50.11
351976-1977Lower Crankshaft-18-7174 9-76553 --1
351979-1990Lower Crankshaft-18-7174 9-76553 --1
351990-1995Crankcase Head Outer55454518-7146(5)9-76539 1.120.11
351957-1975Large Lower Crankshaft55454518-7164(5) -1.120.11
351987Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
351987Crankcase Head30887618-7123(2) -2.2350.11
40(1)1976Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
40(1)1981-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
401957-1975Large Lower Crankshaft55454518-7164(5) -1.120.11
40(1)1976Crankcase Head30887618-7123(2) -2.2350.11
40(1)1981-1995Crankcase Head30887618-7123(2) -2.2350.11
45(1)1976Crankcase Head30887618-7123(2) -2.2350.11
45(1)1981-1995Crankcase Head30887618-7123(2) -2.2350.11
45(1)1985-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
45SS(1)1985-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
45SS1987-1995Crankcase Head30887618-7123(2) -2.2350.11
481987-1995Crankcase Head30887618-7123(2) -2.2350.11
48(1)1971-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
50(1)1971-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
501958-1959Crankcase Head32211918-7133(5) 9-76529 3.940.1351
50(1)1968-1990Crankcase Head30887618-7123(2) -2.2350.11
55(1)1971-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
55(1)1968-1990Crankcase Head30887618-7123(2) -2.2350.11
551968-1971Crankcase Head Outer30336018-7117(2) 9-76507 1.060.1351
601968-1971Crankcase Head Outer30336018-7117(2) 9-76507 1.060.1351
601960-1968Crankcase Head32211918-7133(5) 9-76529 3.940.1352
601970-1995Crankcase Head30887618-7123(2) -2.2350.11
601989-1990Lower Crankshaft310967,31058518-7158(5) 9-765430.740.11
601970-1971Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
601981-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
SST601970-1971Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
SST601981-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
SST601989-1990Lower Crankshaft310967,31058518-7158(5) 9-765430.740.11
SST601970-1995Crankcase Head30887618-7123(2) -2.2350.11
65(1)1972-1973Crankcase Head30887618-7123(2) -2.2350.11
65(1)1985-1995Crankcase Head30887618-7123(2) -2.2350.11
65(1)1972-1973Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
65(1)1985-1995Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
65(1)1989-1990Lower Crankshaft310967,31058518-7158(5) 9-765430.740.11
651960-1968Crankcase Head32211918-7133(5) 9-76529 3.940.1352
70(1)1989-1990Lower Crankshaft310967,31058518-7158(5) 9-765430.740.11
701974-1990Crankcase Head30887618-7123(2) -2.2350.11
701974-1990Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
751975-1988Upper Crankshaft31375418-7128(2) 9-76532 1.8350.11
751975-1988Crankcase Head30887618-7123(2) -2.2350.11
751960-1968Crankcase Head32211918-7133(5) 9-76529 3.940.1352
801960-1968Crankcase Head32211918-7133(5) 9-76529 3.940.1352
851968-1980Crankcase Head32211918-7133(5) 9-76529 3.940.1354
88(1)1964Crankcase Head32211918-7133(5) 9-76529 3.940.1354
88(1)1981-1995Crankcase Head32211918-7133(5) 9-76529 3.940.1354
90(1)1964Crankcase Head32211918-7133(5) 9-76529 3.940.1354
90(1)1981-1995Crankcase Head32211918-7133(5) 9-76529 3.940.1354
100(1)1964Crankcase Head32211918-7133(5) 9-76529 3.940.1354
100(1)1981-1995Crankcase Head32211918-7133(5) 9-76529 3.940.1354
1001966Crankcase Head Screw30785318-7120(2) 9-76526 0.2150.0654
1101969-1995Crankcase Head32211918-7133(5) 9-76529 3.940.1354
1151969-1995Crankcase Head32211918-7133(5) 9-76529 3.940.1354
1251971-1984Crankcase Head32211918-7133(5) 9-76529 3.940.1354
1351971-1984Crankcase Head32211918-7133(5) 9-76529 3.940.1354
1401971-1984Crankcase Head32211918-7133(5) 9-76529 3.940.1354
150(1)1977-1990Crankcase Head32211918-7133(5) 9-76529 3.940.1354
155(1)1977-1990Crankcase Head32211918-7133(5) 9-76529 3.940.1354
175(1)1977-1990Crankcase Head32211918-7133(5) 9-76529 3.940.1354
1851976-1985Crankcase Head32211918-7133(5) 9-76529 3.940.1354
2001976-1985Crankcase Head32211918-7133(5) 9-76529 3.940.1354
2351976-1985Crankcase Head32211918-7133(5) 9-76529 3.940.1354
V-41969-1971Crankcase Head Outer30336018-7117(2) 9-76507 1.060.1351

HP/Cyl

Year

O-Ring Application

O.E. #

Sierra O-Ring

Mallory O-Ring

Inner Diameter- Inches

Width- Inches

QTY Needed

Notes:
(1) : Commercial Models Only
(2) : PKG. OF 1
(5) : PKG. OF 5
Refine Parts List
HP/Cyl

(4 to 235)
Year

(1957 to 1995)
Blowout
Save 14%-54% Off.
O-Ring - Sierra
Sale-a-palooza Price: $4.49
Save: $5.47
(54% Off $9.96)
Part # 18-7114-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins. Dimensions ( in )
I.D. 1.000
Width: .135

Replaces OEM part #
  • MERCURY MARINE 25-23145
  • OMC 302540
O-Ring - Sierra
Sale-a-palooza Price: $0.89
Save: $0.65
(42% Off $1.54)
Part # 18-7117 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Dimensions ( in )
I.D. 1.060
Width: .135

Replaces OEM part #
  • OMC 303360
  • MERCURY MARINE 25-35027
Gearcase/Lower Unit/Powerhead O-Ring - Sierra
Sale-a-palooza Price: $0.89
Save: $0.15
(14% Off $1.04)
Part # 18-7120 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins. Dimensions ( in )
I.D. .215
Width .065

Replaces OEM part #
  • CHRYSLER FORCE 25-F498618
  • OMC 332584
  • OMC 307853
  • MERCURY MARINE 25-38933
  • OMC 332598
O-Ring for Johnson/Evinrude 308876, OMC Sterndrive/Cobra, GLM 81400 - Sierra
Sale-a-palooza Price: $1.79
Part # 18-7123 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
Hurry! Only 1 left in stock
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Dimensions ( in )
I.D. 2.235
Width .100

Replaces OEM part #
  • OMC 308876
O-Ring for Johnson/Evinrude 313754, OMC Sterndrive/Cobra, GLM 81340 - Sierra
Sale-a-palooza Price: $1.79
Save: $0.58
(24% Off $2.37)
Part # 18-7128 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Dimensions ( in )
I.D. 1.835
Width .100

Replaces OEM part #
  • OMC 313754
Powerhead O-Ring for Johnson/Evinrude 322119, OMC Sterndrive/Cobra, GLM 82400 - Sierra
Sale-a-palooza Price: $8.09
Save: $3.66
(31% Off $11.75)
Part # 18-7133-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Dimensions( in )
I.D. 3.780
Width .135

Replaces OEM part #
  • OMC 322119
  • OMC 305123
O-Ring - Sierra
Sale-a-palooza Price: $4.49
Save: $3.81
(45% Off $8.30)
Part # 18-7134-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins. Dimensions ( in )
I.D. .500
Width .100

Replaces OEM part #
  • CHRYSLER FORCE 25-F40342
  • OMC 303059
  • MERCURY MARINE 25-F40342
Drive Shaft Housing O-Ring - Sierra
Sale-a-palooza Price: $8.09
Save: $3.50
(30% Off $11.59)
Part # 18-7146-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
Hurry! Only 1 left in stock
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Dimensions ( in )
I.D. 1.120
Width .100

Replaces OEM part #
  • OMC 554545
  • MERCURY MARINE 25-47632
O-Ring - Sierra
Sale-a-palooza Price: $7.19
Save: $4.05
(36% Off $11.24)
Part # 18-7156-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
Hurry! Only 1 left in stock
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Dimensions ( in )
I.D. 1.185
Width .100

Replaces OEM part #
  • OMC 309731
  • MERCURY MARINE 25-29439
O-Ring - Sierra
Sale-a-palooza Price: $4.49
Save: $3.91
(46% Off $8.40)
Part # 18-7158-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Dimensions ( in )
I.D. .740
Width .100

Replaces OEM part #
  • OMC 310585
  • MERCURY MARINE 25-30613
  • OMC 310967
O-Ring - Sierra
Sale-a-palooza Price: $6.29
Save: $4.10
(39% Off $10.39)
Part # 18-7164-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
Hurry! Only 1 left in stock
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Dimennsions ( in )
I.D. 1.375
Width .100

Replaces OEM part #
  • OMC 302537
  • MERCURY MARINE 25-33466
O-Ring - Sierra
Sale-a-palooza Price: $4.49
Save: $3.51
(43% Off $8.00)
Part # 18-7174-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
Hurry! Only 1 left in stock
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Dimensions ( in )
I.D. .620
Width .100

Replaces OEM part #
  • OMC 326649
  • OMC 910582
  • MERCURY MARINE 25-45711
Johnson / Evinrude / OMC 303347 replacement parts
Drive Shaft Housing O-Ring - Sierra
Sale-a-palooza Price: $9.89
Save: $3.22
(24% Off $13.11)
Part # 18-7180-9 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Dimensions ( in )
I.D. .445
Width .090

Replaces OEM part #
  • OMC 303347
  • MERCURY MARINE 25-26802
  • VOLVO 925055-6, Dimensions (mm) I.D. 11.3, Width 2.4
Powerhead O-Ring - Sierra
Sale-a-palooza Price: $0.89
Save: $0.44
(33% Off $1.33)
Part # 18-7457 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Dimensions ( in )
I.D. 1.799
Width .103

Replaces OEM part #
  • CHRYSLER FORCE 25-F45530
  • OMC 319662
Mallory O-Ring 9-76556
Your Price: $2.99
Part # 9-76556 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
Hurry! Only 1 left in stock
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Replaces Original Equipment Manufacturer(OEM):Johnson/Evinrude
Replaces Original Equipment Manufacturer # (OEM #):303347
Mallory O-Ring 9-76553
Your Price: $0.99
Save: $0.61
(38% Off $1.60)
Part # 9-76553 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Replaces Original Equipment Manufacturer(OEM):Johnson/Evinrude
Replaces Original Equipment Manufacturer # (OEM #):326649
Mallory O-Ring 9-76543
Your Price: $0.99 (Out of stock)
Save: $0.69
(41% Off $1.68)
Part # 9-76543 ValueShip™ Eligible
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Replaces Original Equipment Manufacturer(OEM):Johnson / Evinrude
Replaces Original Equipment Manufacturer # (OEM #):310585
Mallory O-Ring 9-76539
Your Price: $1.99
Save: $0.32
(13% Off $2.31)
Part # 9-76539 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Replaces Original Equipment Manufacturer(OEM):Johnson/Evinrude
Replaces Original Equipment Manufacturer # (OEM #):554545
Mallory O-Ring 9-76532
Your Price: $1.99
Save: $0.38
(16% Off $2.37)
Part # 9-76532 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Replaces Original Equipment Manufacturer(OEM):Johnson/Evinrude
Replaces Original Equipment Manufacturer # (OEM #):313754
Mallory O-Ring 9-76529
Your Price: $1.99
Save: $0.36
(15% Off $2.35)
Part # 9-76529 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Replaces Original Equipment Manufacturer(OEM):Johnson/Evinrude
Replaces Original Equipment Manufacturer # (OEM #):305123
Mallory O-Ring 9-76526
Your Price: $0.99
Save: $0.05
(4% Off $1.04)
Part # 9-76526 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Replaces Original Equipment Manufacturer(OEM):Johnson/Evinrude
Replaces Original Equipment Manufacturer # (OEM #):307853
Mallory O-Ring 9-76511
Your Price: $0.99
Save: $0.67
(40% Off $1.66)
Part # 9-76511 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Replaces Original Equipment Manufacturer(OEM):Johnson/Evinrude
Replaces Original Equipment Manufacturer # (OEM #):302588
Mallory O-Ring 9-76507
Your Price: $0.99
Save: $0.55
(35% Off $1.54)
Part # 9-76507 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 13 mins.
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Replaces Original Equipment Manufacturer(OEM):Mercury
Replaces Original Equipment Manufacturer # (OEM #):25-35027
Evinrude Crossflow V4 Gearcase (1978-98) Exploded View-OMC Crank O-ring
OMC Crank O-ring
Your Price: $0.53 (Out of stock)
Part # 525-08
No Reviews | Write Review
    OMC:
  • 310585
Evinrude 50-75 HP 3 Cylinder Gearcase (1979-2003) Exploded View-OMC Crank O-ring
OMC Crank O-ring
Your Price: $0.66 (Out of stock)
Part # 525-07
No Reviews | Write Review
    OMC:
  • 554545
Evinrude 50-75 HP 3 Cylinder Gearcase (1979-2003) Exploded View-Crank O-ring
Crank O-ring
Your Price: $0.49 (Out of stock)
Part # 525-03
No Reviews | Write Review
    OMC:
  • 313754
OMC V6 Xflow Cap O-ring
OMC V6 Xflow Cap O-ring
Your Price: $0.89 (Out of stock)
Part # 525-02
No Reviews | Write Review
    OMC:
  • 305123
Force O-Rings-OMC Crank O-ring
OMC Crank O-ring
Your Price: $0.44 (Out of stock)
Part # 525-06
No Reviews | Write Review
    OMC:
  • 319662
Sierra
Average Customer Review for O-Ring - Sierra
Based On 1 Review | Write Review
18-7114-9 o'ring.
by Richard from Monroe, Michigan on December 09, 2012
Better than original. Thank you.
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Based On 1 Review | Write Review
o-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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Average Customer Review for O-Ring - Sierra
Based On 1 Review | Write Review
worked well
by Jeffrey from Hermantown, Minnesota on August 27, 2012
Arrived quickly. No problems.
(1 of 1 people found this review helpful)
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