OMC Sterndrive/Cobra Prop Nuts

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HP/Model/Liter

Year

Sierra Prop Nut

Mallory Prop Nut

120 1978-1981 18-3705 9-73903
140 1978-1981 18-3705 9-73903
185 1978-1980 18-3708-1 -
200 1979-1981 18-3708-1 -
225 1978 18-3708-1 -
230 1979 18-3708-1 -
240 1978 18-3708-1 -
260 1979-1981 18-3708-1 -
262 1987-1989 18-3708-1 -
350 1988-1991 18-3708-1 -
351 1992 18-3708-1 -
454 1990-1992 18-3708-1 -
460 1989-1990 18-3708-1 -
502 1992 18-3708-1 -
2.3 1987-1990 18-3705 9-73903
2.5 1982-1986 18-3705 9-73903
3 1982-1989 18-3705 9-73903
3 1990-1992 18-3708-1 -
3.8 1981-1985 18-3708-1 -
4.3 1985-1992 18-3708-1 -
5 1982-1992 18-3708-1 -
5.7 1979-1992 18-3708-1 -
5.8 1989-1992 18-3708-1 -
7.5 1987 18-3708-1 -

HP/Model/Liter

Year

Sierra Prop Nut

Mallory Prop Nut

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Your Price: $42.99
Save: $13.36
(23% Off $56.35)
Part # 18-3705-9 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 10 hrs 48 mins.
Hurry! Only 1 left in stock
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Replaces OEM part #
  • OMC 314503

Propeller Nut Package of 5 for Johnson/Evinrude 314503, OMC Sterndrive/Cobra, GLM 22150

Your Price: $5.98
Save: $2.12
(26% Off $8.10)
Part # 18-3708-1 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 10 hrs 48 mins.
Replaces OEM part #
  • OMC 398042
  • VOLVO 3850984-0

Propeller Nut and Keeper for Johnson/Evinrude 398042, Volvo Penta 3850984-0, OMC Sterndrive/Cobra, GLM 22185

Volvo 3852648-9 replacement parts
Your Price: $2.89
Save: $1.74
(37% Off $4.63)
Part # 18-3730 ValueShip™ Eligible
SHIPS TODAY!* if ordered in 10 hrs 48 mins.
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Replaces OEM part #
  • OMC 3852648
    For: Cobra & King Cobra 1987-94
  • VOLVO 3852648-9
    For: SX Drives
Your Price: $19.31
Save: $17.99
(48% Off $37.30)
Part # 18-6119Z ValueShip™ Eligible
SHIPS TODAY!* if ordered in 10 hrs 48 mins.
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Replaces OEM #

  • Yamaha 61A-45371-00-00

Material: Zinc

Sierra
Average Customer Review for Sierra 18-3708-1 Propeller Nut And Keeper
Full StarFull StarFull StarFull StarFull Star Based On 3 Reviews | Write Review
Full StarFull StarFull StarFull StarFull StarFor prop replacement on 1997 Four Winns
by Kelly from Coleman, Michigan on August 10, 2013
Excellent experience. Fast delivery. Will come back to this web store for any of my future boating needs.
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Full StarFull StarFull StarFull StarFull StarProper Fit
by Kirk from Monument, Colorado on July 12, 2013
Works good. Proper fit
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Full StarFull StarFull StarFull StarFull StarOmc prop nut
by Thomas from Kent, Ohio on May 05, 2012
Super fast shipping. Easy to order on line.
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Q:
Will this work on a 1992 OMC King Cobra 454?
A:
Yes this is made for your engine.
Q:
Whats the difference between this and 3733D?
A:
This is the nut and keeper only. 18-3733D is the nut and keeper, cotter pin, and spacer.
Q:
Will this work on a 2002 volvo penta SX outdrive??
A:
Yes that should work.
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